Changes
41 changed files (+1593/-13313)
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@@ -1,34 +1,33 @@import MIL.C01_Introduction.S01_Getting_Started import MIL.C01_Introduction.S02_Overview import MIL.C02_Basics.S01_Calculating import MIL.C02_Basics.S02_Proving_Identities_in_Algebraic_Structures import MIL.C02_Basics.S03_Using_Theorems_and_Lemmas import MIL.C02_Basics.S04_More_on_Order_and_Divisibility import MIL.C02_Basics.S05_Proving_Facts_about_Algebraic_Structures import MIL.C03_Logic.S01_Implication_and_the_Universal_Quantifier import MIL.C03_Logic.S02_The_Existential_Quantifier import MIL.C03_Logic.S03_Negation import MIL.C03_Logic.«S04_Conjunction_and_Bi-implication» import MIL.C03_Logic.S05_Disjunction import MIL.C03_Logic.S06_Sequences_and_Convergence import MIL.C04_Sets_and_Functions.S01_Sets import MIL.C04_Sets_and_Functions.S02_Functions import MIL.C04_Sets_and_Functions.S03_The_Schroeder_Bernstein_Theorem import MIL.C05_Number_Theory.S01_Irrational_Roots import MIL.C05_Number_Theory.S02_Induction_and_Recursion import MIL.C05_Number_Theory.S03_Infinitely_Many_Primes import MIL.C06_Structures.S01_Structures import MIL.C06_Structures.S02_Algebraic_Structures import MIL.C06_Structures.S03_Building_the_Gaussian_Integers import MIL.C07_Hierarchies.S01_Basics import MIL.C07_Hierarchies.S02_Morphisms import MIL.C07_Hierarchies.S03_Subobjects import MIL.C08_Topology.S01_Filters import MIL.C08_Topology.S02_Metric_Spaces import MIL.C08_Topology.S03_Topological_Spaces import MIL.C09_Differential_Calculus.S01_Elementary_Differential_Calculus import MIL.C09_Differential_Calculus.S02_Differential_Calculus_in_Normed_Spaces --import MIL.C10_Integration_and_Measure_Theory.S01_Elementary_Integration --import MIL.C10_Integration_and_Measure_Theory.S02_Measure_Theory --import MIL.C10_Integration_and_Measure_Theory.S03_Integration import MIL.C01_Introduction.Source_S01_Getting_Started import MIL.C01_Introduction.Source_S02_Overview import MIL.C02_Basics.Source_S01_Calculating import MIL.C02_Basics.Source_S02_Proving_Identities_in_Algebraic_Structures import MIL.C02_Basics.Source_S03_Using_Theorems_and_Lemmas import MIL.C02_Basics.Source_S04_More_on_Order_and_Divisibility import MIL.C02_Basics.Source_S05_Proving_Facts_about_Algebraic_Structures import MIL.C03_Logic.Source_S01_Implication_and_the_Universal_Quantifier import MIL.C03_Logic.Source_S02_The_Existential_Quantifier import MIL.C03_Logic.Source_S03_Negation import MIL.C03_Logic.«Source_S04_Conjunction_and_Bi-implication» import MIL.C03_Logic.Source_S05_Disjunction import MIL.C03_Logic.Source_S06_Sequences_and_Convergence import MIL.C04_Sets_and_Functions.Source_S01_Sets import MIL.C04_Sets_and_Functions.Source_S02_Functions import MIL.C04_Sets_and_Functions.Source_S03_The_Schroeder_Bernstein_Theorem import MIL.C05_Elementary_Number_Theory.Source_S01_Irrational_Roots import MIL.C05_Elementary_Number_Theory.Source_S02_Induction_and_Recursion import MIL.C05_Elementary_Number_Theory.Source_S03_Infinitely_Many_Primes import MIL.C06_Structures.Source_S01_Structures import MIL.C06_Structures.Source_S02_Algebraic_Structures import MIL.C06_Structures.Source_S03_Building_the_Gaussian_Integers import MIL.C07_Hierarchies.Source_S01_Basics import MIL.C07_Hierarchies.Source_S02_Morphisms import MIL.C07_Hierarchies.Source_S03_Subobjects import MIL.C08_Topology.Source_S01_Filters import MIL.C08_Topology.Source_S02_Metric_Spaces import MIL.C08_Topology.Source_S03_Topological_Spaces import MIL.C09_Differential_Calculus.Source_S01_Elementary_Differential_Calculus import MIL.C09_Differential_Calculus.Source_S02_Differential_Calculus_in_Normed_Spaces import MIL.C10_Integration_and_Measure_Theory.Source_S01_Elementary_Integration import MIL.C10_Integration_and_Measure_Theory.Source_S02_Measure_Theory import MIL.C10_Integration_and_Measure_Theory.Source_S03_Integration
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@@ -44,11 +44,13 @@ def add' (a b : Point) : Point wherez := a.z + b.z #check add myPoint1 myPoint2 #check myPoint1.add myPoint2 end Point #check Point.add myPoint1 myPoint2 #check myPoint1.add myPoint2 namespace Point
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@@ -96,14 +98,10 @@ example : ∀ a b : Point, add a b = add b a := fun ⟨xa, ya, za⟩ ⟨xb, yb,protected theorem add_assoc (a b c : Point) : (a.add b).add c = a.add (b.add c) := by sorry def smul (r : ℝ) (a : Point) : Point := sorry theorem smul_distrib (r : ℝ) (a b : Point) : (smul r a).add (smul r b) = smul r (a.add b) := by theorem smul_distrib (r : ℝ) (a b : Point) : (smul r a).add (smul r b) = smul r (a.add b) := by sorry end Point structure StandardTwoSimplex where
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@@ -140,9 +138,9 @@ def midpoint (a b : StandardTwoSimplex) : StandardTwoSimplexsum_eq := by field_simp; linarith [a.sum_eq, b.sum_eq] def weightedAverage (lambda : Real) (lambda_nonneg : 0 ≤ lambda) (lambda_le : lambda ≤ 1) (a b : StandardTwoSimplex) : StandardTwoSimplex := (a b : StandardTwoSimplex) : StandardTwoSimplex where sorry end end StandardTwoSimplex
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@@ -165,8 +163,7 @@ def midpoint (n : ℕ) (a b : StandardSimplex n) : StandardSimplex n· linarith [a.NonNeg i, b.NonNeg i] norm_num sum_eq_one := by simp [div_eq_mul_inv, ← Finset.sum_mul, Finset.sum_add_distrib, a.sum_eq_one, b.sum_eq_one] simp [div_eq_mul_inv, ← Finset.sum_mul, Finset.sum_add_distrib, a.sum_eq_one, b.sum_eq_one] field_simp end StandardSimplex
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@@ -176,9 +173,11 @@ structure IsLinear (f : ℝ → ℝ) wherepreserves_mul : ∀ x c, f (c * x) = c * f x section variable (f : ℝ → ℝ) (linf : IsLinear f) #check linf.is_additive #check linf.preserves_mul end
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@@ -193,11 +192,15 @@ def PReal :={ y : ℝ // 0 < y } section variable (x : PReal) #check x.val #check x.property #check x.1 #check x.2 end
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@@ -211,6 +214,7 @@ def StandardSimplex' (n : ℕ) :=def StdSimplex := Σ n : ℕ, StandardSimplex n section variable (s : StdSimplex) #check s.fst
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@@ -14,6 +14,7 @@ structure Group₁Cat wherestr : Group₁ α section variable (α β γ : Type _) variable (f : α ≃ β) (g : β ≃ γ)
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@@ -64,15 +65,15 @@ namespace Pointdef add (a b : Point) : Point := ⟨a.x + b.x, a.y + b.y, a.z + b.z⟩ def neg (a : Point) : Point := sorry def zero : Point := sorry def neg (a : point) : point := sorry def add_group_point : AddGroup₁ point := sorry def zero : point := sorry def add_group_point : add_group₁ point := sorry end Point section variable {α : Type _} (f g : Equiv.Perm α) (n : ℕ) #check f * g
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@@ -156,6 +157,7 @@ instance hasInvGroup₂ {α : Type _} [Group₂ α] : Inv α :=⟨Group₂.inv⟩ section variable {α : Type _} (f g : Equiv.Perm α) #check f * 1 * g⁻¹
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@@ -37,8 +37,7 @@ theorem add_def (x y : gaussInt) : x + y = ⟨x.re + y.re, x.im + y.im⟩ :=theorem neg_def (x : gaussInt) : -x = ⟨-x.re, -x.im⟩ := rfl theorem mul_def (x y : gaussInt) : x * y = ⟨x.re * y.re - x.im * y.im, x.re * y.im + x.im * y.re⟩ := theorem mul_def (x y : gaussInt) : x * y = ⟨x.re * y.re - x.im * y.im, x.re * y.im + x.im * y.re⟩ := rfl @[simp]
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@@ -91,13 +90,13 @@ instance instCommRing : CommRing gaussInt whereintros ext <;> simp <;> ring zero_add := by intro intros ext <;> simp add_zero := by intro intros ext <;> simp add_left_neg := by intro intros ext <;> simp add_comm := by intros
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@@ -106,10 +105,10 @@ instance instCommRing : CommRing gaussInt whereintros ext <;> simp <;> ring one_mul := by intro intros ext <;> simp mul_one := by intro intros ext <;> simp left_distrib := by intros
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@@ -136,7 +135,7 @@ example (a b : ℤ) : a = b * (a / b) + a % b :=example (a b : ℤ) : b ≠ 0 → 0 ≤ a % b := Int.emod_nonneg a example (a b : ℤ) : b ≠ 0 → a % b < abs b := example (a b : ℤ) : b ≠ 0 → a % b < |b| := Int.emod_lt a namespace Int
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@@ -151,7 +150,7 @@ theorem div'_add_mod' (a b : ℤ) : b * div' a b + mod' a b = a := byrw [div', mod'] linarith [Int.ediv_add_emod (a + b / 2) b] theorem abs_mod'_le (a b : ℤ) (h : 0 < b) : abs (mod' a b) ≤ b / 2 := by theorem abs_mod'_le (a b : ℤ) (h : 0 < b) : |mod' a b| ≤ b / 2 := by rw [mod', abs_le] constructor · linarith [Int.emod_nonneg (a + b / 2) h.ne']
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@@ -208,11 +207,9 @@ theorem div_def (x y : gaussInt) :theorem mod_def (x y : gaussInt) : x % y = x - y * (x / y) := rfl theorem norm_mod_lt (x : gaussInt) {y : gaussInt} (hy : y ≠ 0) : (x % y).norm < y.norm := by theorem norm_mod_lt (x : gaussInt) {y : gaussInt} (hy : y ≠ 0) : (x % y).norm < y.norm := by have norm_y_pos : 0 < norm y := by rwa [norm_pos] have : x % y * conj y = ⟨Int.mod' (x * conj y).re (norm y), Int.mod' (x * conj y).im (norm y)⟩ := by have : x % y * conj y = ⟨Int.mod' (x * conj y).re (norm y), Int.mod' (x * conj y).im (norm y)⟩ := by rw [mod_def, sub_mul, Int.mod'_eq, Int.mod'_eq, sub_eq_add_neg, div_def, norm] ext <;> simp <;> ring have : norm (x % y) * norm y ≤ norm y / 2 * norm y := by
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@@ -241,8 +238,7 @@ theorem norm_mod_lt (x : gaussInt) {y : gaussInt} (hy : y ≠ 0) :theorem coe_natAbs_norm (x : gaussInt) : (x.norm.natAbs : ℤ) = x.norm := Int.natAbs_of_nonneg (norm_nonneg _) theorem natAbs_norm_mod_lt (x y : gaussInt) (hy : y ≠ 0) : (x % y).norm.natAbs < y.norm.natAbs := by theorem natAbs_norm_mod_lt (x y : gaussInt) (hy : y ≠ 0) : (x % y).norm.natAbs < y.norm.natAbs := by apply Int.ofNat_lt.1 simp only [Int.coe_natAbs, abs_of_nonneg, norm_nonneg] apply norm_mod_lt x hy
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@@ -260,8 +256,7 @@ instance : EuclideanDomain gaussInt :={ gaussInt.instCommRing with quotient := (· / ·) remainder := (· % ·) quotient_mul_add_remainder_eq := fun x y => by simp only; rw [mod_def, add_comm, sub_add_cancel] quotient_mul_add_remainder_eq := fun x y => by simp only; rw [mod_def, add_comm, sub_add_cancel] quotient_zero := fun x => by simp [div_def, norm, Int.div'] rfl
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@@ -20,8 +20,7 @@ protected theorem add_assoc (a b c : Point) : (a.add b).add c = a.add (b.add c)def smul (r : ℝ) (a : Point) : Point := ⟨r * a.x, r * a.y, r * a.z⟩ theorem smul_distrib (r : ℝ) (a b : Point) : (smul r a).add (smul r b) = smul r (a.add b) := by theorem smul_distrib (r : ℝ) (a b : Point) : (smul r a).add (smul r b) = smul r (a.add b) := by simp [add, smul, mul_add] end Point
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@@ -40,8 +39,8 @@ namespace StandardTwoSimplexnoncomputable section def weightedAverage (lambda : Real) (lambda_nonneg : 0 ≤ lambda) (lambda_le : lambda ≤ 1) (a b : StandardTwoSimplex) : StandardTwoSimplex where (a b : StandardTwoSimplex) : StandardTwoSimplex where x := lambda * a.x + (1 - lambda) * b.x y := lambda * a.y + (1 - lambda) * b.y z := lambda * a.z + (1 - lambda) * b.z
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@@ -75,8 +74,7 @@ def midpoint (n : ℕ) (a b : StandardSimplex n) : StandardSimplex n· linarith [a.NonNeg i, b.NonNeg i] norm_num sum_eq_one := by simp [div_eq_mul_inv, ← Finset.sum_mul, Finset.sum_add_distrib, a.sum_eq_one, b.sum_eq_one] simp [div_eq_mul_inv, ← Finset.sum_mul, Finset.sum_add_distrib, a.sum_eq_one, b.sum_eq_one] field_simp end StandardSimplex
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@@ -37,8 +37,7 @@ theorem add_def (x y : gaussInt) : x + y = ⟨x.re + y.re, x.im + y.im⟩ :=theorem neg_def (x : gaussInt) : -x = ⟨-x.re, -x.im⟩ := rfl theorem mul_def (x y : gaussInt) : x * y = ⟨x.re * y.re - x.im * y.im, x.re * y.im + x.im * y.re⟩ := theorem mul_def (x y : gaussInt) : x * y = ⟨x.re * y.re - x.im * y.im, x.re * y.im + x.im * y.re⟩ := rfl @[simp]
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@@ -91,13 +90,13 @@ instance instCommRing : CommRing gaussInt whereintros ext <;> simp <;> ring zero_add := by intro intros ext <;> simp add_zero := by intro intros ext <;> simp add_left_neg := by intro intros ext <;> simp add_comm := by intros
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@@ -106,10 +105,10 @@ instance instCommRing : CommRing gaussInt whereintros ext <;> simp <;> ring one_mul := by intro intros ext <;> simp mul_one := by intro intros ext <;> simp left_distrib := by intros
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@@ -222,11 +221,9 @@ theorem div_def (x y : gaussInt) :theorem mod_def (x y : gaussInt) : x % y = x - y * (x / y) := rfl theorem norm_mod_lt (x : gaussInt) {y : gaussInt} (hy : y ≠ 0) : (x % y).norm < y.norm := by theorem norm_mod_lt (x : gaussInt) {y : gaussInt} (hy : y ≠ 0) : (x % y).norm < y.norm := by have norm_y_pos : 0 < norm y := by rwa [norm_pos] have : x % y * conj y = ⟨Int.mod' (x * conj y).re (norm y), Int.mod' (x * conj y).im (norm y)⟩ := by have : x % y * conj y = ⟨Int.mod' (x * conj y).re (norm y), Int.mod' (x * conj y).im (norm y)⟩ := by rw [mod_def, sub_mul, Int.mod'_eq, Int.mod'_eq, sub_eq_add_neg, div_def, norm] ext <;> simp <;> ring have : norm (x % y) * norm y ≤ norm y / 2 * norm y := by
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@@ -255,8 +252,7 @@ theorem norm_mod_lt (x : gaussInt) {y : gaussInt} (hy : y ≠ 0) :theorem coe_natAbs_norm (x : gaussInt) : (x.norm.natAbs : ℤ) = x.norm := Int.natAbs_of_nonneg (norm_nonneg _) theorem natAbs_norm_mod_lt (x y : gaussInt) (hy : y ≠ 0) : (x % y).norm.natAbs < y.norm.natAbs := by theorem natAbs_norm_mod_lt (x y : gaussInt) (hy : y ≠ 0) : (x % y).norm.natAbs < y.norm.natAbs := by apply Int.ofNat_lt.1 simp only [Int.coe_natAbs, abs_of_nonneg, norm_nonneg] apply norm_mod_lt x hy
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@@ -274,8 +270,7 @@ instance : EuclideanDomain gaussInt :={ gaussInt.instCommRing with quotient := (· / ·) remainder := (· % ·) quotient_mul_add_remainder_eq := fun x y => by simp only; rw [mod_def, add_comm, sub_add_cancel] quotient_mul_add_remainder_eq := fun x y => by simp only; rw [mod_def, add_comm, sub_add_cancel] quotient_zero := fun x => by simp [div_def, norm, Int.div'] rfl
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@@ -0,0 +1,110 @@import Mathlib.Topology.Instances.Real open Set Filter Topology def principal {α : Type _} (s : Set α) : Filter α where sets := { t | s ⊆ t } univ_sets := sorry sets_of_superset := sorry inter_sets := sorry example : Filter ℕ := { sets := { s | ∃ a, ∀ b, a ≤ b → b ∈ s } univ_sets := sorry sets_of_superset := sorry inter_sets := sorry } def Tendsto₁ {X Y : Type _} (f : X → Y) (F : Filter X) (G : Filter Y) := ∀ V ∈ G, f ⁻¹' V ∈ F def Tendsto₂ {X Y : Type _} (f : X → Y) (F : Filter X) (G : Filter Y) := map f F ≤ G example {X Y : Type _} (f : X → Y) (F : Filter X) (G : Filter Y) : Tendsto₂ f F G ↔ Tendsto₁ f F G := Iff.rfl #check (@Filter.map_mono : ∀ {α β} {m : α → β}, Monotone (map m)) #check (@Filter.map_map : ∀ {α β γ} {f : Filter α} {m : α → β} {m' : β → γ}, map m' (map m f) = map (m' ∘ m) f) example {X Y Z : Type _} {F : Filter X} {G : Filter Y} {H : Filter Z} {f : X → Y} {g : Y → Z} (hf : Tendsto₁ f F G) (hg : Tendsto₁ g G H) : Tendsto₁ (g ∘ f) F H := sorry variable (f : ℝ → ℝ) (x₀ y₀ : ℝ) #check comap ((↑) : ℚ → ℝ) (𝓝 x₀) #check Tendsto (f ∘ (↑)) (comap ((↑) : ℚ → ℝ) (𝓝 x₀)) (𝓝 y₀) section variable {α β γ : Type _} (F : Filter α) {m : γ → β} {n : β → α} #check (comap_comap : comap m (comap n F) = comap (n ∘ m) F) end example : 𝓝 (x₀, y₀) = 𝓝 x₀ ×ᶠ 𝓝 y₀ := nhds_prod_eq #check le_inf_iff example (f : ℕ → ℝ × ℝ) (x₀ y₀ : ℝ) : Tendsto f atTop (𝓝 (x₀, y₀)) ↔ Tendsto (Prod.fst ∘ f) atTop (𝓝 x₀) ∧ Tendsto (Prod.snd ∘ f) atTop (𝓝 y₀) := sorry example (x₀ : ℝ) : HasBasis (𝓝 x₀) (fun ε : ℝ => 0 < ε) fun ε => Ioo (x₀ - ε) (x₀ + ε) := nhds_basis_Ioo_pos x₀ example (u : ℕ → ℝ) (x₀ : ℝ) : Tendsto u atTop (𝓝 x₀) ↔ ∀ ε > 0, ∃ N, ∀ n ≥ N, u n ∈ Ioo (x₀ - ε) (x₀ + ε) := by have : atTop.HasBasis (fun n : ℕ => True) Ici := atTop_basis rw [this.tendsto_iff (nhds_basis_Ioo_pos x₀)] simp example (P Q : ℕ → Prop) (hP : ∀ᶠ n in atTop, P n) (hQ : ∀ᶠ n in atTop, Q n) : ∀ᶠ n in atTop, P n ∧ Q n := hP.and hQ example (u v : ℕ → ℝ) (h : ∀ᶠ n in atTop, u n = v n) (x₀ : ℝ) : Tendsto u atTop (𝓝 x₀) ↔ Tendsto v atTop (𝓝 x₀) := tendsto_congr' h example (u v : ℕ → ℝ) (h : u =ᶠ[atTop] v) (x₀ : ℝ) : Tendsto u atTop (𝓝 x₀) ↔ Tendsto v atTop (𝓝 x₀) := tendsto_congr' h #check @eventually_of_forall #check @Eventually.mono #check @Eventually.and example (P Q R : ℕ → Prop) (hP : ∀ᶠ n in atTop, P n) (hQ : ∀ᶠ n in atTop, Q n) (hR : ∀ᶠ n in atTop, P n ∧ Q n → R n) : ∀ᶠ n in atTop, R n := by apply (hP.and (hQ.and hR)).mono rintro n ⟨h, h', h''⟩ exact h'' ⟨h, h'⟩ example (P Q R : ℕ → Prop) (hP : ∀ᶠ n in atTop, P n) (hQ : ∀ᶠ n in atTop, Q n) (hR : ∀ᶠ n in atTop, P n ∧ Q n → R n) : ∀ᶠ n in atTop, R n := by filter_upwards [hP, hQ, hR] intro n h h' h'' exact h'' ⟨h, h'⟩ #check mem_closure_iff_clusterPt #check le_principal_iff #check neBot_of_le example (u : ℕ → ℝ) (M : Set ℝ) (x : ℝ) (hux : Tendsto u atTop (𝓝 x)) (huM : ∀ᶠ n in atTop, u n ∈ M) : x ∈ closure M := sorry
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@@ -0,0 +1,200 @@import Mathlib.Topology.Instances.Real import Mathlib.Analysis.NormedSpace.BanachSteinhaus open Set Filter open Topology Filter variable {X : Type _} [MetricSpace X] (a b c : X) #check (dist a b : ℝ) #check (dist_nonneg : 0 ≤ dist a b) #check (dist_eq_zero : dist a b = 0 ↔ a = b) #check (dist_comm a b : dist a b = dist b a) #check (dist_triangle a b c : dist a c ≤ dist a b + dist b c) -- Note the next three lines are not quoted, their purpose is to make sure those things don't get renamed while we're looking elsewhere. #check EMetricSpace #check PseudoMetricSpace #check PseudoEMetricSpace example {u : ℕ → X} {a : X} : Tendsto u atTop (𝓝 a) ↔ ∀ ε > 0, ∃ N, ∀ n ≥ N, dist (u n) a < ε := Metric.tendsto_atTop example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} : Continuous f ↔ ∀ x : X, ∀ ε > 0, ∃ δ > 0, ∀ x', dist x' x < δ → dist (f x') (f x) < ε := Metric.continuous_iff example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := by continuity example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := continuous_dist.comp ((hf.comp continuous_fst).prod_mk (hf.comp continuous_snd)) example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := by apply Continuous.dist exact hf.comp continuous_fst exact hf.comp continuous_snd example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := (hf.comp continuous_fst).dist (hf.comp continuous_snd) example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := hf.fst'.dist hf.snd' example {f : ℝ → X} (hf : Continuous f) : Continuous fun x : ℝ => f (x ^ 2 + x) := sorry example {X Y : Type _} [MetricSpace X] [MetricSpace Y] (f : X → Y) (a : X) : ContinuousAt f a ↔ ∀ ε > 0, ∃ δ > 0, ∀ {x}, dist x a < δ → dist (f x) (f a) < ε := Metric.continuousAt_iff variable (r : ℝ) example : Metric.ball a r = { b | dist b a < r } := rfl example : Metric.closedBall a r = { b | dist b a ≤ r } := rfl example (hr : 0 < r) : a ∈ Metric.ball a r := Metric.mem_ball_self hr example (hr : 0 ≤ r) : a ∈ Metric.closedBall a r := Metric.mem_closedBall_self hr example (s : Set X) : IsOpen s ↔ ∀ x ∈ s, ∃ ε > 0, Metric.ball x ε ⊆ s := Metric.isOpen_iff example {s : Set X} : IsClosed s ↔ IsOpen (sᶜ) := isOpen_compl_iff.symm example {s : Set X} (hs : IsClosed s) {u : ℕ → X} (hu : Tendsto u atTop (𝓝 a)) (hus : ∀ n, u n ∈ s) : a ∈ s := hs.mem_of_tendsto hu (eventually_of_forall hus) example {s : Set X} : a ∈ closure s ↔ ∀ ε > 0, ∃ b ∈ s, a ∈ Metric.ball b ε := Metric.mem_closure_iff example {u : ℕ → X} (hu : Tendsto u atTop (𝓝 a)) {s : Set X} (hs : ∀ n, u n ∈ s) : a ∈ closure s := sorry example {x : X} {s : Set X} : s ∈ 𝓝 x ↔ ∃ ε > 0, Metric.ball x ε ⊆ s := Metric.nhds_basis_ball.mem_iff example {x : X} {s : Set X} : s ∈ 𝓝 x ↔ ∃ ε > 0, Metric.closedBall x ε ⊆ s := Metric.nhds_basis_closedBall.mem_iff example : IsCompact (Set.Icc 0 1 : Set ℝ) := isCompact_Icc example {s : Set X} (hs : IsCompact s) {u : ℕ → X} (hu : ∀ n, u n ∈ s) : ∃ a ∈ s, ∃ φ : ℕ → ℕ, StrictMono φ ∧ Tendsto (u ∘ φ) atTop (𝓝 a) := hs.tendsto_subseq hu example {s : Set X} (hs : IsCompact s) (hs' : s.Nonempty) {f : X → ℝ} (hfs : ContinuousOn f s) : ∃ x ∈ s, ∀ y ∈ s, f x ≤ f y := hs.exists_forall_le hs' hfs example {s : Set X} (hs : IsCompact s) (hs' : s.Nonempty) {f : X → ℝ} (hfs : ContinuousOn f s) : ∃ x ∈ s, ∀ y ∈ s, f y ≤ f x := hs.exists_forall_ge hs' hfs example {s : Set X} (hs : IsCompact s) : IsClosed s := hs.IsClosed example {X : Type _} [MetricSpace X] [CompactSpace X] : IsCompact (univ : Set X) := isCompact_univ #check IsCompact.isClosed example {X : Type _} [MetricSpace X] {Y : Type _} [MetricSpace Y] {f : X → Y} : UniformContinuous f ↔ ∀ ε > 0, ∃ δ > 0, ∀ {a b : X}, dist a b < δ → dist (f a) (f b) < ε := Metric.uniformContinuous_iff example {X : Type _} [MetricSpace X] [CompactSpace X] {Y : Type _} [MetricSpace Y] {f : X → Y} (hf : Continuous f) : UniformContinuous f := sorry example (u : ℕ → X) : CauchySeq u ↔ ∀ ε > 0, ∃ N : ℕ, ∀ m ≥ N, ∀ n ≥ N, dist (u m) (u n) < ε := Metric.cauchySeq_iff example (u : ℕ → X) : CauchySeq u ↔ ∀ ε > 0, ∃ N : ℕ, ∀ n ≥ N, dist (u n) (u N) < ε := Metric.cauchySeq_iff' example [CompleteSpace X] (u : ℕ → X) (hu : CauchySeq u) : ∃ x, Tendsto u atTop (𝓝 x) := cauchySeq_tendsto_of_complete hu open BigOperators open Finset theorem cauchySeq_of_le_geometric_two' {u : ℕ → X} (hu : ∀ n : ℕ, dist (u n) (u (n + 1)) ≤ (1 / 2) ^ n) : CauchySeq u := by rw [Metric.cauchySeq_iff'] intro ε ε_pos obtain ⟨N, hN⟩ : ∃ N : ℕ, 1 / 2 ^ N * 2 < ε := by sorry use N intro n hn obtain ⟨k, rfl : n = N + k⟩ := le_iff_exists_add.mp hn calc dist (u (N + k)) (u N) = dist (u (N + 0)) (u (N + k)) := sorry _ ≤ ∑ i in range k, dist (u (N + i)) (u (N + (i + 1))) := sorry _ ≤ ∑ i in range k, (1 / 2 : ℝ) ^ (N + i) := sorry _ = 1 / 2 ^ N * ∑ i in range k, (1 / 2) ^ i := sorry _ ≤ 1 / 2 ^ N * 2 := sorry _ < ε := sorry open Metric example [CompleteSpace X] (f : ℕ → Set X) (ho : ∀ n, IsOpen (f n)) (hd : ∀ n, Dense (f n)) : Dense (⋂ n, f n) := by let B : ℕ → ℝ := fun n => (1 / 2) ^ n have Bpos : ∀ n, 0 < B n sorry /- Translate the density assumption into two functions `center` and `radius` associating to any n, x, δ, δpos a center and a positive radius such that `closed_ball center radius` is included both in `f n` and in `closed_ball x δ`. We can also require `radius ≤ (1/2)^(n+1)`, to ensure we get a Cauchy sequence later. -/ have : ∀ (n : ℕ) (x : X), ∀ δ > 0, ∃ y : X, ∃ r > 0, r ≤ B (n + 1) ∧ closed_ball y r ⊆ closed_ball x δ ∩ f n := by sorry choose! center radius Hpos HB Hball using this intro x rw [mem_closure_iff_nhds_basis nhds_basis_closed_ball] intro ε εpos /- `ε` is positive. We have to find a point in the ball of radius `ε` around `x` belonging to all `f n`. For this, we construct inductively a sequence `F n = (c n, r n)` such that the closed ball `closed_ball (c n) (r n)` is included in the previous ball and in `f n`, and such that `r n` is small enough to ensure that `c n` is a Cauchy sequence. Then `c n` converges to a limit which belongs to all the `f n`. -/ let F : ℕ → X × ℝ := fun n => Nat.recOn n (Prod.mk x (min ε (B 0))) fun n p => Prod.mk (center n p.1 p.2) (radius n p.1 p.2) let c : ℕ → X := fun n => (F n).1 let r : ℕ → ℝ := fun n => (F n).2 have rpos : ∀ n, 0 < r n := by sorry have rB : ∀ n, r n ≤ B n := by sorry have incl : ∀ n, closed_ball (c (n + 1)) (r (n + 1)) ⊆ closed_ball (c n) (r n) ∩ f n := by sorry have cdist : ∀ n, dist (c n) (c (n + 1)) ≤ B n := by sorry have : CauchySeq c := cauchySeq_of_le_geometric_two' cdist -- as the sequence `c n` is Cauchy in a complete space, it converges to a limit `y`. rcases cauchySeq_tendsto_of_complete this with ⟨y, ylim⟩ -- this point `y` will be the desired point. We will check that it belongs to all -- `f n` and to `ball x ε`. use y have I : ∀ n, ∀ m ≥ n, closed_ball (c m) (r m) ⊆ closed_ball (c n) (r n) := by sorry have yball : ∀ n, y ∈ closed_ball (c n) (r n) := by sorry sorry
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@@ -0,0 +1,151 @@import Mathlib.Topology.Instances.Real import Mathlib.Analysis.NormedSpace.BanachSteinhaus open Set Filter open Topology Filter section variable {X : Type _} [TopologicalSpace X] example : IsOpen (univ : Set X) := isOpen_univ example : IsOpen (∅ : Set X) := isOpen_empty example {ι : Type _} {s : ι → Set X} (hs : ∀ i, IsOpen <| s i) : IsOpen (⋃ i, s i) := isOpen_iUnion hs example {ι : Type _} [Fintype ι] {s : ι → Set X} (hs : ∀ i, IsOpen <| s i) : IsOpen (⋂ i, s i) := isOpen_iInter hs variable {Y : Type _} [TopologicalSpace Y] example {f : X → Y} : Continuous f ↔ ∀ s, IsOpen s → IsOpen (f ⁻¹' s) := continuous_def example {f : X → Y} {x : X} : ContinuousAt f x ↔ map f (𝓝 x) ≤ 𝓝 (f x) := Iff.rfl example {f : X → Y} {x : X} : ContinuousAt f x ↔ ∀ U ∈ 𝓝 (f x), ∀ᶠ x in 𝓝 x, f x ∈ U := Iff.rfl example {x : X} {s : Set X} : s ∈ 𝓝 x ↔ ∃ t, t ⊆ s ∧ IsOpen t ∧ x ∈ t := mem_nhds_iff example (x : X) : pure x ≤ 𝓝 x := pure_le_nhds x example (x : X) (P : X → Prop) (h : ∀ᶠ y in 𝓝 x, P y) : P x := pure_le_nhds x h example {P : X → Prop} {x : X} (h : ∀ᶠ y in 𝓝 x, P y) : ∀ᶠ y in 𝓝 x, ∀ᶠ z in 𝓝 y, P z := eventually_eventually_nhds.mpr h #check TopologicalSpace.mkOfNhds #check TopologicalSpace.nhds_mkOfNhds example {α : Type _} (n : α → Filter α) (H₀ : ∀ a, pure a ≤ n a) (H : ∀ a : α, ∀ p : α → Prop, (∀ᶠ x in n a, p x) → ∀ᶠ y in n a, ∀ᶠ x in n y, p x) : ∀ a, ∀ s ∈ n a, ∃ t ∈ n a, t ⊆ s ∧ ∀ a' ∈ t, s ∈ n a' := sorry end -- BOTH. variable {X Y : Type _} example (f : X → Y) : TopologicalSpace X → TopologicalSpace Y := TopologicalSpace.coinduced f example (f : X → Y) : TopologicalSpace Y → TopologicalSpace X := TopologicalSpace.induced f example (f : X → Y) (T_X : TopologicalSpace X) (T_Y : TopologicalSpace Y) : TopologicalSpace.coinduced f T_X ≤ T_Y ↔ T_X ≤ TopologicalSpace.induced f T_Y := coinduced_le_iff_le_induced #check coinduced_compose #check induced_compose example {T T' : TopologicalSpace X} : T ≤ T' ↔ ∀ s, T'.IsOpen s → T.IsOpen s := Iff.rfl example (T_X : TopologicalSpace X) (T_Y : TopologicalSpace Y) (f : X → Y) : Continuous f ↔ TopologicalSpace.coinduced f T_X ≤ T_Y := continuous_iff_coinduced_le example {Z : Type _} (f : X → Y) (T_X : TopologicalSpace X) (T_Z : TopologicalSpace Z) (g : Y → Z) : @Continuous Y Z (TopologicalSpace.coinduced f T_X) T_Z g ↔ @Continuous X Z T_X T_Z (g ∘ f) := by rw [continuous_iff_coinduced_le, coinduced_compose, continuous_iff_coinduced_le] example (ι : Type _) (X : ι → Type _) (T_X : ∀ i, TopologicalSpace <| X i) : (Pi.topologicalSpace : TopologicalSpace (∀ i, X i)) = ⨅ i, TopologicalSpace.induced (fun x => x i) (T_X i) := rfl example [TopologicalSpace X] [T2Space X] {u : ℕ → X} {a b : X} (ha : Tendsto u atTop (𝓝 a)) (hb : Tendsto u atTop (𝓝 b)) : a = b := tendsto_nhds_unique ha hb example [TopologicalSpace X] [RegularSpace X] (a : X) : (𝓝 a).HasBasis (fun s : Set X => s ∈ 𝓝 a ∧ IsClosed s) id := closed_nhds_basis a example [TopologicalSpace X] {x : X} : (𝓝 x).HasBasis (fun t : Set X => t ∈ 𝓝 x ∧ IsOpen t) id := nhds_basis_opens' x theorem aux {X Y A : Type _} [TopologicalSpace X] {c : A → X} {f : A → Y} {x : X} {F : Filter Y} (h : Tendsto f (comap c (𝓝 x)) F) {V' : Set Y} (V'_in : V' ∈ F) : ∃ V ∈ 𝓝 x, IsOpen V ∧ c ⁻¹' V ⊆ f ⁻¹' V' := sorry example [TopologicalSpace X] [TopologicalSpace Y] [RegularSpace Y] {A : Set X} (hA : ∀ x, x ∈ closure A) {f : A → Y} (f_cont : Continuous f) (hf : ∀ x : X, ∃ c : Y, Tendsto f (comap (↑) <| 𝓝 x) <| 𝓝 c) : ∃ φ : X → Y, Continuous φ ∧ ∀ a : A, φ a = f a := sorry #check @HasBasis.tendsto_right_iff example [TopologicalSpace X] [TopologicalSpace.FirstCountableTopology X] {s : Set X} {a : X} : a ∈ closure s ↔ ∃ u : ℕ → X, (∀ n, u n ∈ s) ∧ Tendsto u atTop (𝓝 a) := mem_closure_iff_seq_limit variable [TopologicalSpace X] example {F : Filter X} {x : X} : ClusterPt x F ↔ NeBot (𝓝 x ⊓ F) := Iff.rfl example {s : Set X} : IsCompact s ↔ ∀ (F : Filter X) [NeBot F], F ≤ 𝓟 s → ∃ a ∈ s, ClusterPt a F := Iff.rfl example [TopologicalSpace.FirstCountableTopology X] {s : Set X} {u : ℕ → X} (hs : IsCompact s) (hu : ∀ n, u n ∈ s) : ∃ a ∈ s, ∃ φ : ℕ → ℕ, StrictMono φ ∧ Tendsto (u ∘ φ) atTop (𝓝 a) := hs.tendsto_subseq hu variable [TopologicalSpace Y] example {x : X} {F : Filter X} {G : Filter Y} (H : ClusterPt x F) {f : X → Y} (hfx : ContinuousAt f x) (hf : Tendsto f F G) : ClusterPt (f x) G := ClusterPt.map H hfx hf example [TopologicalSpace Y] {f : X → Y} (hf : Continuous f) {s : Set X} (hs : IsCompact s) : IsCompact (f '' s) := by intro F F_ne F_le have map_eq : map f (𝓟 s ⊓ comap f F) = 𝓟 (f '' s) ⊓ F := by sorry have Hne : (𝓟 s ⊓ comap f F).NeBot := by sorry have Hle : 𝓟 s ⊓ comap f F ≤ 𝓟 s := inf_le_left sorry example {ι : Type _} {s : Set X} (hs : IsCompact s) (U : ι → Set X) (hUo : ∀ i, IsOpen (U i)) (hsU : s ⊆ ⋃ i, U i) : ∃ t : Finset ι, s ⊆ ⋃ i ∈ t, U i := hs.elim_finite_subcover U hUo hsU example [CompactSpace X] : IsCompact (univ : Set X) := isCompact_univ
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@@ -0,0 +1,72 @@import Mathlib.Topology.Instances.Real open Set Filter Topology -- In the next example we could use `tauto` in each proof instead of knowing the lemmas example {α : Type _} (s : Set α) : Filter α := { sets := { t | s ⊆ t } univ_sets := subset_univ s sets_of_superset := fun hU hUV => Subset.trans hU hUV inter_sets := fun hU hV => subset_inter hU hV } example : Filter ℕ := { sets := { s | ∃ a, ∀ b, a ≤ b → b ∈ s } univ_sets := by use 42 simp sets_of_superset := by rintro U V ⟨N, hN⟩ hUV use N tauto inter_sets := by rintro U V ⟨N, hN⟩ ⟨N', hN'⟩ use max N N' intro b hb rw [max_le_iff] at hb constructor <;> tauto } def Tendsto₁ {X Y : Type _} (f : X → Y) (F : Filter X) (G : Filter Y) := ∀ V ∈ G, f ⁻¹' V ∈ F example {X Y Z : Type _} {F : Filter X} {G : Filter Y} {H : Filter Z} {f : X → Y} {g : Y → Z} (hf : Tendsto₁ f F G) (hg : Tendsto₁ g G H) : Tendsto₁ (g ∘ f) F H := calc map (g ∘ f) F = map g (map f F) := by rw [map_map] _ ≤ map g G := (map_mono hf) _ ≤ H := hg example {X Y Z : Type _} {F : Filter X} {G : Filter Y} {H : Filter Z} {f : X → Y} {g : Y → Z} (hf : Tendsto₁ f F G) (hg : Tendsto₁ g G H) : Tendsto₁ (g ∘ f) F H := by intro V hV rw [preimage_comp] apply hf apply hg exact hV example (f : ℕ → ℝ × ℝ) (x₀ y₀ : ℝ) : Tendsto f atTop (𝓝 (x₀, y₀)) ↔ Tendsto (Prod.fst ∘ f) atTop (𝓝 x₀) ∧ Tendsto (Prod.snd ∘ f) atTop (𝓝 y₀) := calc Tendsto f atTop (𝓝 (x₀, y₀)) ↔ map f atTop ≤ 𝓝 (x₀, y₀) := Iff.rfl _ ↔ map f atTop ≤ 𝓝 x₀ ×ᶠ 𝓝 y₀ := by rw [nhds_prod_eq] _ ↔ map f atTop ≤ comap Prod.fst (𝓝 x₀) ⊓ comap Prod.snd (𝓝 y₀) := Iff.rfl _ ↔ map f atTop ≤ comap Prod.fst (𝓝 x₀) ∧ map f atTop ≤ comap Prod.snd (𝓝 y₀) := le_inf_iff _ ↔ map Prod.fst (map f atTop) ≤ 𝓝 x₀ ∧ map Prod.snd (map f atTop) ≤ 𝓝 y₀ := by rw [← map_le_iff_le_comap, ← map_le_iff_le_comap] _ ↔ map (Prod.fst ∘ f) atTop ≤ 𝓝 x₀ ∧ map (Prod.snd ∘ f) atTop ≤ 𝓝 y₀ := by rw [map_map, map_map] -- an alternative solution example (f : ℕ → ℝ × ℝ) (x₀ y₀ : ℝ) : Tendsto f atTop (𝓝 (x₀, y₀)) ↔ Tendsto (Prod.fst ∘ f) atTop (𝓝 x₀) ∧ Tendsto (Prod.snd ∘ f) atTop (𝓝 y₀) := by rw [nhds_prod_eq] unfold Tendsto Filter.prod rw [le_inf_iff, ← map_le_iff_le_comap, map_map, ← map_le_iff_le_comap, map_map] example (u : ℕ → ℝ) (M : Set ℝ) (x : ℝ) (hux : Tendsto u atTop (𝓝 x)) (huM : ∀ᶠ n in atTop, u n ∈ M) : x ∈ closure M := mem_closure_iff_clusterPt.mpr (neBot_of_le <| le_inf hux <| le_principal_iff.mpr huM)
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@@ -0,0 +1,365 @@import Mathlib.Topology.Instances.Real import Mathlib.Analysis.NormedSpace.BanachSteinhaus open Set Filter open Topology Filter variable {X : Type _} [MetricSpace X] (a b c : X) #check (dist a b : ℝ) #check (dist_nonneg : 0 ≤ dist a b) #check (dist_eq_zero : dist a b = 0 ↔ a = b) #check (dist_comm a b : dist a b = dist b a) #check (dist_triangle a b c : dist a c ≤ dist a b + dist b c) -- Note the next three lines are not quoted, their purpose is to make sure those things don't get renamed while we're looking elsewhere. #check EMetricSpace #check PseudoMetricSpace #check PseudoEMetricSpace example {u : ℕ → X} {a : X} : Tendsto u atTop (𝓝 a) ↔ ∀ ε > 0, ∃ N, ∀ n ≥ N, dist (u n) a < ε := Metric.tendsto_atTop example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} : Continuous f ↔ ∀ x : X, ∀ ε > 0, ∃ δ > 0, ∀ x', dist x' x < δ → dist (f x') (f x) < ε := Metric.continuous_iff example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := by continuity example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := continuous_dist.comp ((hf.comp continuous_fst).prod_mk (hf.comp continuous_snd)) example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := by apply Continuous.dist exact hf.comp continuous_fst exact hf.comp continuous_snd example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := (hf.comp continuous_fst).dist (hf.comp continuous_snd) example {X Y : Type _} [MetricSpace X] [MetricSpace Y] {f : X → Y} (hf : Continuous f) : Continuous fun p : X × X => dist (f p.1) (f p.2) := hf.fst'.dist hf.snd' example {f : ℝ → X} (hf : Continuous f) : Continuous fun x : ℝ => f (x ^ 2 + x) := sorry example {f : ℝ → X} (hf : Continuous f) : Continuous fun x : ℝ => f (x ^ 2 + x) := hf.comp <| (continuous_pow 2).add continuous_id example {X Y : Type _} [MetricSpace X] [MetricSpace Y] (f : X → Y) (a : X) : ContinuousAt f a ↔ ∀ ε > 0, ∃ δ > 0, ∀ {x}, dist x a < δ → dist (f x) (f a) < ε := Metric.continuousAt_iff variable (r : ℝ) example : Metric.ball a r = { b | dist b a < r } := rfl example : Metric.closedBall a r = { b | dist b a ≤ r } := rfl example (hr : 0 < r) : a ∈ Metric.ball a r := Metric.mem_ball_self hr example (hr : 0 ≤ r) : a ∈ Metric.closedBall a r := Metric.mem_closedBall_self hr example (s : Set X) : IsOpen s ↔ ∀ x ∈ s, ∃ ε > 0, Metric.ball x ε ⊆ s := Metric.isOpen_iff example {s : Set X} : IsClosed s ↔ IsOpen (sᶜ) := isOpen_compl_iff.symm example {s : Set X} (hs : IsClosed s) {u : ℕ → X} (hu : Tendsto u atTop (𝓝 a)) (hus : ∀ n, u n ∈ s) : a ∈ s := hs.mem_of_tendsto hu (eventually_of_forall hus) example {s : Set X} : a ∈ closure s ↔ ∀ ε > 0, ∃ b ∈ s, a ∈ Metric.ball b ε := Metric.mem_closure_iff example {u : ℕ → X} (hu : Tendsto u atTop (𝓝 a)) {s : Set X} (hs : ∀ n, u n ∈ s) : a ∈ closure s := sorry example {u : ℕ → X} (hu : Tendsto u atTop (𝓝 a)) {s : Set X} (hs : ∀ n, u n ∈ s) : a ∈ closure s := by rw [Metric.tendsto_atTop] at hu rw [Metric.mem_closure_iff] intro ε ε_pos rcases hu ε ε_pos with ⟨N, hN⟩ refine' ⟨u N, hs _, _⟩ rw [dist_comm] exact hN N le_rfl example {x : X} {s : Set X} : s ∈ 𝓝 x ↔ ∃ ε > 0, Metric.ball x ε ⊆ s := Metric.nhds_basis_ball.mem_iff example {x : X} {s : Set X} : s ∈ 𝓝 x ↔ ∃ ε > 0, Metric.closedBall x ε ⊆ s := Metric.nhds_basis_closedBall.mem_iff example : IsCompact (Set.Icc 0 1 : Set ℝ) := isCompact_Icc example {s : Set X} (hs : IsCompact s) {u : ℕ → X} (hu : ∀ n, u n ∈ s) : ∃ a ∈ s, ∃ φ : ℕ → ℕ, StrictMono φ ∧ Tendsto (u ∘ φ) atTop (𝓝 a) := hs.tendsto_subseq hu example {s : Set X} (hs : IsCompact s) (hs' : s.Nonempty) {f : X → ℝ} (hfs : ContinuousOn f s) : ∃ x ∈ s, ∀ y ∈ s, f x ≤ f y := hs.exists_forall_le hs' hfs example {s : Set X} (hs : IsCompact s) (hs' : s.Nonempty) {f : X → ℝ} (hfs : ContinuousOn f s) : ∃ x ∈ s, ∀ y ∈ s, f y ≤ f x := hs.exists_forall_ge hs' hfs example {s : Set X} (hs : IsCompact s) : IsClosed s := hs.IsClosed example {X : Type _} [MetricSpace X] [CompactSpace X] : IsCompact (univ : Set X) := isCompact_univ #check IsCompact.isClosed example {X : Type _} [MetricSpace X] {Y : Type _} [MetricSpace Y] {f : X → Y} : UniformContinuous f ↔ ∀ ε > 0, ∃ δ > 0, ∀ {a b : X}, dist a b < δ → dist (f a) (f b) < ε := Metric.uniformContinuous_iff example {X : Type _} [MetricSpace X] [CompactSpace X] {Y : Type _} [MetricSpace Y] {f : X → Y} (hf : Continuous f) : UniformContinuous f := sorry example {X : Type _} [MetricSpace X] [CompactSpace X] {Y : Type _} [MetricSpace Y] {f : X → Y} (hf : Continuous f) : UniformContinuous f := by rw [Metric.uniformContinuous_iff] intro ε ε_pos let φ : X × X → ℝ := fun p => dist (f p.1) (f p.2) have φ_cont : Continuous φ := hf.fst'.dist hf.snd' let K := { p : X × X | ε ≤ φ p } have K_closed : IsClosed K := isClosed_le continuous_const φ_cont have K_cpct : IsCompact K := K_closed.is_compact cases' eq_empty_or_nonempty K with hK hK · use 1, by norm_num intro x y hxy have : (x, y) ∉ K := by simp [hK] simpa [K] · rcases K_cpct.exists_forall_le hK continuous_dist.continuous_on with ⟨⟨x₀, x₁⟩, xx_in, H⟩ use dist x₀ x₁ constructor · change _ < _ rw [dist_pos] intro h have : ε ≤ 0 := by simpa [*] using xx_in linarith · intro x x' contrapose! intro hxx' exact H (x, x') hxx' example (u : ℕ → X) : CauchySeq u ↔ ∀ ε > 0, ∃ N : ℕ, ∀ m ≥ N, ∀ n ≥ N, dist (u m) (u n) < ε := Metric.cauchySeq_iff example (u : ℕ → X) : CauchySeq u ↔ ∀ ε > 0, ∃ N : ℕ, ∀ n ≥ N, dist (u n) (u N) < ε := Metric.cauchySeq_iff' example [CompleteSpace X] (u : ℕ → X) (hu : CauchySeq u) : ∃ x, Tendsto u atTop (𝓝 x) := cauchySeq_tendsto_of_complete hu open BigOperators open Finset theorem cauchySeq_of_le_geometric_two' {u : ℕ → X} (hu : ∀ n : ℕ, dist (u n) (u (n + 1)) ≤ (1 / 2) ^ n) : CauchySeq u := by rw [Metric.cauchySeq_iff'] intro ε ε_pos obtain ⟨N, hN⟩ : ∃ N : ℕ, 1 / 2 ^ N * 2 < ε := by sorry use N intro n hn obtain ⟨k, rfl : n = N + k⟩ := le_iff_exists_add.mp hn calc dist (u (N + k)) (u N) = dist (u (N + 0)) (u (N + k)) := sorry _ ≤ ∑ i in range k, dist (u (N + i)) (u (N + (i + 1))) := sorry _ ≤ ∑ i in range k, (1 / 2 : ℝ) ^ (N + i) := sorry _ = 1 / 2 ^ N * ∑ i in range k, (1 / 2) ^ i := sorry _ ≤ 1 / 2 ^ N * 2 := sorry _ < ε := sorry example {u : ℕ → X} (hu : ∀ n : ℕ, dist (u n) (u (n + 1)) ≤ (1 / 2) ^ n) : CauchySeq u := by rw [Metric.cauchySeq_iff'] intro ε ε_pos obtain ⟨N, hN⟩ : ∃ N : ℕ, 1 / 2 ^ N * 2 < ε := by have : Tendsto (fun N : ℕ => (1 / 2 ^ N * 2 : ℝ)) atTop (𝓝 0) := by rw [← MulZeroClass.zero_mul (2 : ℝ)] apply Tendsto.mul simp_rw [← one_div_pow (2 : ℝ)] apply tendsto_pow_atTop_nhds_0_of_lt_1 <;> linarith exact tendsto_const_nhds rcases(atTop_basis.tendsto_iff (nhds_basis_Ioo_pos (0 : ℝ))).mp this ε ε_pos with ⟨N, H, hN⟩ exact ⟨N, by simpa using (hN N le_rfl).2⟩ use N intro n hn obtain ⟨k, rfl : n = N + k⟩ := le_iff_exists_add.mp hn calc dist (u (N + k)) (u N) = dist (u (N + 0)) (u (N + k)) := by rw [dist_comm, add_zero] _ ≤ ∑ i in range k, dist (u (N + i)) (u (N + (i + 1))) := (dist_le_range_sum_dist (fun i => u (N + i)) k) _ ≤ ∑ i in range k, (1 / 2 : ℝ) ^ (N + i) := (sum_le_sum fun i hi => hu <| N + i) _ = 1 / 2 ^ N * ∑ i in range k, (1 / 2) ^ i := by simp_rw [← one_div_pow, pow_add, ← mul_sum] _ ≤ 1 / 2 ^ N * 2 := (mul_le_mul_of_nonneg_left (sum_geometric_two_le _) (one_div_nonneg.mpr (pow_nonneg (zero_le_two : (0 : ℝ) ≤ 2) _))) _ < ε := hN open Metric example [CompleteSpace X] (f : ℕ → Set X) (ho : ∀ n, IsOpen (f n)) (hd : ∀ n, Dense (f n)) : Dense (⋂ n, f n) := by let B : ℕ → ℝ := fun n => (1 / 2) ^ n have Bpos : ∀ n, 0 < B n sorry /- Translate the density assumption into two functions `center` and `radius` associating to any n, x, δ, δpos a center and a positive radius such that `closed_ball center radius` is included both in `f n` and in `closed_ball x δ`. We can also require `radius ≤ (1/2)^(n+1)`, to ensure we get a Cauchy sequence later. -/ have : ∀ (n : ℕ) (x : X), ∀ δ > 0, ∃ y : X, ∃ r > 0, r ≤ B (n + 1) ∧ closed_ball y r ⊆ closed_ball x δ ∩ f n := by sorry choose! center radius Hpos HB Hball using this intro x rw [mem_closure_iff_nhds_basis nhds_basis_closed_ball] intro ε εpos /- `ε` is positive. We have to find a point in the ball of radius `ε` around `x` belonging to all `f n`. For this, we construct inductively a sequence `F n = (c n, r n)` such that the closed ball `closed_ball (c n) (r n)` is included in the previous ball and in `f n`, and such that `r n` is small enough to ensure that `c n` is a Cauchy sequence. Then `c n` converges to a limit which belongs to all the `f n`. -/ let F : ℕ → X × ℝ := fun n => Nat.recOn n (Prod.mk x (min ε (B 0))) fun n p => Prod.mk (center n p.1 p.2) (radius n p.1 p.2) let c : ℕ → X := fun n => (F n).1 let r : ℕ → ℝ := fun n => (F n).2 have rpos : ∀ n, 0 < r n := by sorry have rB : ∀ n, r n ≤ B n := by sorry have incl : ∀ n, closed_ball (c (n + 1)) (r (n + 1)) ⊆ closed_ball (c n) (r n) ∩ f n := by sorry have cdist : ∀ n, dist (c n) (c (n + 1)) ≤ B n := by sorry have : CauchySeq c := cauchySeq_of_le_geometric_two' cdist -- as the sequence `c n` is Cauchy in a complete space, it converges to a limit `y`. rcases cauchySeq_tendsto_of_complete this with ⟨y, ylim⟩ -- this point `y` will be the desired point. We will check that it belongs to all -- `f n` and to `ball x ε`. use y have I : ∀ n, ∀ m ≥ n, closed_ball (c m) (r m) ⊆ closed_ball (c n) (r n) := by sorry have yball : ∀ n, y ∈ closed_ball (c n) (r n) := by sorry sorry example [CompleteSpace X] (f : ℕ → Set X) (ho : ∀ n, IsOpen (f n)) (hd : ∀ n, Dense (f n)) : Dense (⋂ n, f n) := by let B : ℕ → ℝ := fun n => (1 / 2) ^ n have Bpos : ∀ n, 0 < B n := fun n => pow_pos sorry n /- Translate the density assumption into two functions `center` and `radius` associating to any n, x, δ, δpos a center and a positive radius such that `closed_ball center radius` is included both in `f n` and in `closed_ball x δ`. We can also require `radius ≤ (1/2)^(n+1)`, to ensure we get a Cauchy sequence later. -/ have : ∀ (n : ℕ) (x : X), ∀ δ > 0, ∃ y : X, ∃ r > 0, r ≤ B (n + 1) ∧ closed_ball y r ⊆ closed_ball x δ ∩ f n := by intro n x δ δpos have : x ∈ closure (f n) := hd n x rcases Metric.mem_closure_iff.1 this (δ / 2) (half_pos δpos) with ⟨y, ys, xy⟩ rw [dist_comm] at xy obtain ⟨r, rpos, hr⟩ : ∃ r > 0, closed_ball y r ⊆ f n := nhds_basis_closed_ball.mem_iff.1 (isOpen_iff_mem_nhds.1 (ho n) y ys) refine' ⟨y, min (min (δ / 2) r) (B (n + 1)), _, _, fun z hz => ⟨_, _⟩⟩ show 0 < min (min (δ / 2) r) (B (n + 1)) exact lt_min (lt_min (half_pos δpos) rpos) (Bpos (n + 1)) show min (min (δ / 2) r) (B (n + 1)) ≤ B (n + 1) exact min_le_right _ _ show z ∈ closed_ball x δ exact calc dist z x ≤ dist z y + dist y x := dist_triangle _ _ _ _ ≤ min (min (δ / 2) r) (B (n + 1)) + δ / 2 := (add_le_add hz xy.le) _ ≤ δ / 2 + δ / 2 := (add_le_add_right ((min_le_left _ _).trans (min_le_left _ _)) _) _ = δ := add_halves δ show z ∈ f n exact hr (calc dist z y ≤ min (min (δ / 2) r) (B (n + 1)) := hz _ ≤ r := (min_le_left _ _).trans (min_le_right _ _) ) choose! center radius Hpos HB Hball using this refine' fun x => (mem_closure_iff_nhds_basis nhds_basis_closed_ball).2 fun ε εpos => _ /- `ε` is positive. We have to find a point in the ball of radius `ε` around `x` belonging to all `f n`. For this, we construct inductively a sequence `F n = (c n, r n)` such that the closed ball `closed_ball (c n) (r n)` is included in the previous ball and in `f n`, and such that `r n` is small enough to ensure that `c n` is a Cauchy sequence. Then `c n` converges to a limit which belongs to all the `f n`. -/ let F : ℕ → X × ℝ := fun n => Nat.recOn n (Prod.mk x (min ε (B 0))) fun n p => Prod.mk (center n p.1 p.2) (radius n p.1 p.2) let c : ℕ → X := fun n => (F n).1 let r : ℕ → ℝ := fun n => (F n).2 have rpos : ∀ n, 0 < r n := by intro n induction' n with n hn exact lt_min εpos (Bpos 0) exact Hpos n (c n) (r n) hn have rB : ∀ n, r n ≤ B n := by intro n induction' n with n hn exact min_le_right _ _ exact HB n (c n) (r n) (rpos n) have incl : ∀ n, closed_ball (c (n + 1)) (r (n + 1)) ⊆ closed_ball (c n) (r n) ∩ f n := fun n => Hball n (c n) (r n) (rpos n) have cdist : ∀ n, dist (c n) (c (n + 1)) ≤ B n := by intro n rw [dist_comm] have A : c (n + 1) ∈ closed_ball (c (n + 1)) (r (n + 1)) := mem_closed_ball_self (rpos <| n + 1).le have I := calc closed_ball (c (n + 1)) (r (n + 1)) ⊆ closed_ball (c n) (r n) := (incl n).trans (inter_subset_left _ _) _ ⊆ closed_ball (c n) (B n) := closed_ball_subset_closed_ball (rB n) exact I A have : CauchySeq c := cauchySeq_of_le_geometric_two' cdist -- as the sequence `c n` is Cauchy in a complete space, it converges to a limit `y`. rcases cauchySeq_tendsto_of_complete this with ⟨y, ylim⟩ -- this point `y` will be the desired point. We will check that it belongs to all -- `f n` and to `ball x ε`. use y have I : ∀ n, ∀ m ≥ n, closed_ball (c m) (r m) ⊆ closed_ball (c n) (r n) := by intro n refine' Nat.le_induction _ fun m hnm h => _ · exact Subset.rfl · exact (incl m).trans ((Set.inter_subset_left _ _).trans h) have yball : ∀ n, y ∈ closed_ball (c n) (r n) := by intro n refine' is_closed_ball.mem_of_tendsto ylim _ refine' (Filter.eventually_ge_atTop n).mono fun m hm => _ exact I n m hm (mem_closed_ball_self (rpos _).le) constructor · suffices ∀ n, y ∈ f n by rwa [Set.mem_iInter] intro n have : closed_ball (c (n + 1)) (r (n + 1)) ⊆ f n := Subset.trans (incl n) (inter_subset_right _ _) exact this (yball (n + 1)) calc dist y x ≤ r 0 := yball 0 _ ≤ ε := min_le_left _ _
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@@ -0,0 +1,202 @@import Mathlib.Topology.Instances.Real import Mathlib.Analysis.NormedSpace.BanachSteinhaus open Set Filter open Topology Filter section variable {X : Type _} [TopologicalSpace X] example : IsOpen (univ : Set X) := isOpen_univ example : IsOpen (∅ : Set X) := isOpen_empty example {ι : Type _} {s : ι → Set X} (hs : ∀ i, IsOpen <| s i) : IsOpen (⋃ i, s i) := isOpen_iUnion hs example {ι : Type _} [Fintype ι] {s : ι → Set X} (hs : ∀ i, IsOpen <| s i) : IsOpen (⋂ i, s i) := isOpen_iInter hs variable {Y : Type _} [TopologicalSpace Y] example {f : X → Y} : Continuous f ↔ ∀ s, IsOpen s → IsOpen (f ⁻¹' s) := continuous_def example {f : X → Y} {x : X} : ContinuousAt f x ↔ map f (𝓝 x) ≤ 𝓝 (f x) := Iff.rfl example {f : X → Y} {x : X} : ContinuousAt f x ↔ ∀ U ∈ 𝓝 (f x), ∀ᶠ x in 𝓝 x, f x ∈ U := Iff.rfl example {x : X} {s : Set X} : s ∈ 𝓝 x ↔ ∃ t, t ⊆ s ∧ IsOpen t ∧ x ∈ t := mem_nhds_iff example (x : X) : pure x ≤ 𝓝 x := pure_le_nhds x example (x : X) (P : X → Prop) (h : ∀ᶠ y in 𝓝 x, P y) : P x := pure_le_nhds x h example {P : X → Prop} {x : X} (h : ∀ᶠ y in 𝓝 x, P y) : ∀ᶠ y in 𝓝 x, ∀ᶠ z in 𝓝 y, P z := eventually_eventually_nhds.mpr h #check TopologicalSpace.mkOfNhds #check TopologicalSpace.nhds_mkOfNhds example {α : Type _} (n : α → Filter α) (H₀ : ∀ a, pure a ≤ n a) (H : ∀ a : α, ∀ p : α → Prop, (∀ᶠ x in n a, p x) → ∀ᶠ y in n a, ∀ᶠ x in n y, p x) : ∀ a, ∀ s ∈ n a, ∃ t ∈ n a, t ⊆ s ∧ ∀ a' ∈ t, s ∈ n a' := sorry example {α : Type _} (n : α → Filter α) (H₀ : ∀ a, pure a ≤ n a) (H : ∀ a : α, ∀ p : α → Prop, (∀ᶠ x in n a, p x) → ∀ᶠ y in n a, ∀ᶠ x in n y, p x) : ∀ a, ∀ s ∈ n a, ∃ t ∈ n a, t ⊆ s ∧ ∀ a' ∈ t, s ∈ n a' := by intro a s s_in refine' ⟨{ y | s ∈ n y }, H a (fun x => x ∈ s) s_in, _, by tauto⟩ rintro y (hy : s ∈ n y) exact H₀ y hy end -- BOTH. variable {X Y : Type _} example (f : X → Y) : TopologicalSpace X → TopologicalSpace Y := TopologicalSpace.coinduced f example (f : X → Y) : TopologicalSpace Y → TopologicalSpace X := TopologicalSpace.induced f example (f : X → Y) (T_X : TopologicalSpace X) (T_Y : TopologicalSpace Y) : TopologicalSpace.coinduced f T_X ≤ T_Y ↔ T_X ≤ TopologicalSpace.induced f T_Y := coinduced_le_iff_le_induced #check coinduced_compose #check induced_compose example {T T' : TopologicalSpace X} : T ≤ T' ↔ ∀ s, T'.IsOpen s → T.IsOpen s := Iff.rfl example (T_X : TopologicalSpace X) (T_Y : TopologicalSpace Y) (f : X → Y) : Continuous f ↔ TopologicalSpace.coinduced f T_X ≤ T_Y := continuous_iff_coinduced_le example {Z : Type _} (f : X → Y) (T_X : TopologicalSpace X) (T_Z : TopologicalSpace Z) (g : Y → Z) : @Continuous Y Z (TopologicalSpace.coinduced f T_X) T_Z g ↔ @Continuous X Z T_X T_Z (g ∘ f) := by rw [continuous_iff_coinduced_le, coinduced_compose, continuous_iff_coinduced_le] example (ι : Type _) (X : ι → Type _) (T_X : ∀ i, TopologicalSpace <| X i) : (Pi.topologicalSpace : TopologicalSpace (∀ i, X i)) = ⨅ i, TopologicalSpace.induced (fun x => x i) (T_X i) := rfl example [TopologicalSpace X] [T2Space X] {u : ℕ → X} {a b : X} (ha : Tendsto u atTop (𝓝 a)) (hb : Tendsto u atTop (𝓝 b)) : a = b := tendsto_nhds_unique ha hb example [TopologicalSpace X] [RegularSpace X] (a : X) : (𝓝 a).HasBasis (fun s : Set X => s ∈ 𝓝 a ∧ IsClosed s) id := closed_nhds_basis a example [TopologicalSpace X] {x : X} : (𝓝 x).HasBasis (fun t : Set X => t ∈ 𝓝 x ∧ IsOpen t) id := nhds_basis_opens' x theorem aux {X Y A : Type _} [TopologicalSpace X] {c : A → X} {f : A → Y} {x : X} {F : Filter Y} (h : Tendsto f (comap c (𝓝 x)) F) {V' : Set Y} (V'_in : V' ∈ F) : ∃ V ∈ 𝓝 x, IsOpen V ∧ c ⁻¹' V ⊆ f ⁻¹' V' := sorry example {X Y A : Type _} [TopologicalSpace X] {c : A → X} {f : A → Y} {x : X} {F : Filter Y} (h : Tendsto f (comap c (𝓝 x)) F) {V' : Set Y} (V'_in : V' ∈ F) : ∃ V ∈ 𝓝 x, IsOpen V ∧ c ⁻¹' V ⊆ f ⁻¹' V' := by simpa [and_assoc] using ((nhds_basis_opens' x).comap c).tendsto_left_iff.mp h V' V'_in example [TopologicalSpace X] [TopologicalSpace Y] [RegularSpace Y] {A : Set X} (hA : ∀ x, x ∈ closure A) {f : A → Y} (f_cont : Continuous f) (hf : ∀ x : X, ∃ c : Y, Tendsto f (comap (↑) <| 𝓝 x) <| 𝓝 c) : ∃ φ : X → Y, Continuous φ ∧ ∀ a : A, φ a = f a := sorry #check @HasBasis.tendsto_right_iff example [TopologicalSpace X] [TopologicalSpace Y] [T3Space Y] {A : Set X} (hA : ∀ x, x ∈ closure A) {f : A → Y} (f_cont : Continuous f) (hf : ∀ x : X, ∃ c : Y, Tendsto f (comap (↑) <| 𝓝 x) <| 𝓝 c) : ∃ φ : X → Y, Continuous φ ∧ ∀ a : A, φ a = f a := by choose φ hφ using hf use φ constructor · rw [continuous_iff_continuousAt] intro x suffices ∀ V' ∈ 𝓝 (φ x), IsClosed V' → φ ⁻¹' V' ∈ 𝓝 x by simp [ContinuousAt, (closed_nhds_basis _).tendsto_right_iff] intro V' V'_in V'_closed obtain ⟨V, V_in, V_op, hV⟩ : ∃ V ∈ 𝓝 x, IsOpen V ∧ (↑) ⁻¹' V ⊆ f ⁻¹' V' := aux (hφ x) V'_in suffices : ∀ y ∈ V, φ y ∈ V' exact mem_of_superset V_in this intro y y_in have hVx : V ∈ 𝓝 y := V_op.mem_nhds y_in haveI : (comap ((↑) : A → X) (𝓝 y)).NeBot := by simpa [mem_closure_iff_comap_neBot] using hA y apply V'_closed.mem_of_tendsto (hφ y) exact mem_of_superset (preimage_mem_comap hVx) hV · intro a have lim : Tendsto f (𝓝 a) (𝓝 <| φ a) := by simpa [nhds_induced] using hφ a exact tendsto_nhds_unique limUnder f_cont.continuousAt example [TopologicalSpace X] [TopologicalSpace.FirstCountableTopology X] {s : Set X} {a : X} : a ∈ closure s ↔ ∃ u : ℕ → X, (∀ n, u n ∈ s) ∧ Tendsto u atTop (𝓝 a) := mem_closure_iff_seq_limit variable [TopologicalSpace X] example {F : Filter X} {x : X} : ClusterPt x F ↔ NeBot (𝓝 x ⊓ F) := Iff.rfl example {s : Set X} : IsCompact s ↔ ∀ (F : Filter X) [NeBot F], F ≤ 𝓟 s → ∃ a ∈ s, ClusterPt a F := Iff.rfl example [TopologicalSpace.FirstCountableTopology X] {s : Set X} {u : ℕ → X} (hs : IsCompact s) (hu : ∀ n, u n ∈ s) : ∃ a ∈ s, ∃ φ : ℕ → ℕ, StrictMono φ ∧ Tendsto (u ∘ φ) atTop (𝓝 a) := hs.tendsto_subseq hu variable [TopologicalSpace Y] example {x : X} {F : Filter X} {G : Filter Y} (H : ClusterPt x F) {f : X → Y} (hfx : ContinuousAt f x) (hf : Tendsto f F G) : ClusterPt (f x) G := ClusterPt.map H hfx hf example [TopologicalSpace Y] {f : X → Y} (hf : Continuous f) {s : Set X} (hs : IsCompact s) : IsCompact (f '' s) := by intro F F_ne F_le have map_eq : map f (𝓟 s ⊓ comap f F) = 𝓟 (f '' s) ⊓ F := by sorry have Hne : (𝓟 s ⊓ comap f F).NeBot := by sorry have Hle : 𝓟 s ⊓ comap f F ≤ 𝓟 s := inf_le_left sorry example [TopologicalSpace Y] {f : X → Y} (hf : Continuous f) {s : Set X} (hs : IsCompact s) : IsCompact (f '' s) := by intro F F_ne F_le have map_eq : map f (𝓟 s ⊓ comap f F) = 𝓟 (f '' s) ⊓ F := by rw [Filter.push_pull, map_principal] have Hne : (𝓟 s ⊓ comap f F).NeBot := by apply NeBot.of_map rwa [map_eq, inf_of_le_right F_le] have Hle : 𝓟 s ⊓ comap f F ≤ 𝓟 s := inf_le_left rcases hs Hle with ⟨x, x_in, hx⟩ refine' ⟨f x, mem_image_of_mem f x_in, _⟩ apply hx.map hf.continuousAt rw [Tendsto, map_eq] exact inf_le_right example {ι : Type _} {s : Set X} (hs : IsCompact s) (U : ι → Set X) (hUo : ∀ i, IsOpen (U i)) (hsU : s ⊆ ⋃ i, U i) : ∃ t : Finset ι, s ⊆ ⋃ i ∈ t, U i := hs.elim_finite_subcover U hUo hsU example [CompactSpace X] : IsCompact (univ : Set X) := isCompact_univ
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MIL/MIL.lean (new)
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@@ -0,0 +1,33 @@import MIL.C01_Introduction.Source_S01_Getting_Started import MIL.C01_Introduction.Source_S02_Overview import MIL.C02_Basics.Source_S01_Calculating import MIL.C02_Basics.Source_S02_Proving_Identities_in_Algebraic_Structures import MIL.C02_Basics.Source_S03_Using_Theorems_and_Lemmas import MIL.C02_Basics.Source_S04_More_on_Order_and_Divisibility import MIL.C02_Basics.Source_S05_Proving_Facts_about_Algebraic_Structures import MIL.C03_Logic.Source_S01_Implication_and_the_Universal_Quantifier import MIL.C03_Logic.Source_S02_The_Existential_Quantifier import MIL.C03_Logic.Source_S03_Negation import MIL.C03_Logic.«Source_S04_Conjunction_and_Bi-implication» import MIL.C03_Logic.Source_S05_Disjunction import MIL.C03_Logic.Source_S06_Sequences_and_Convergence import MIL.C04_Sets_and_Functions.Source_S01_Sets import MIL.C04_Sets_and_Functions.Source_S02_Functions import MIL.C04_Sets_and_Functions.Source_S03_The_Schroeder_Bernstein_Theorem import MIL.C05_Elementary_Number_Theory.Source_S01_Irrational_Roots import MIL.C05_Elementary_Number_Theory.Source_S02_Induction_and_Recursion import MIL.C05_Elementary_Number_Theory.Source_S03_Infinitely_Many_Primes import MIL.C06_Structures.Source_S01_Structures import MIL.C06_Structures.Source_S02_Algebraic_Structures import MIL.C06_Structures.Source_S03_Building_the_Gaussian_Integers import MIL.C07_Hierarchies.Source_S01_Basics import MIL.C07_Hierarchies.Source_S02_Morphisms import MIL.C07_Hierarchies.Source_S03_Subobjects import MIL.C08_Topology.Source_S01_Filters import MIL.C08_Topology.Source_S02_Metric_Spaces import MIL.C08_Topology.Source_S03_Topological_Spaces import MIL.C09_Differential_Calculus.Source_S01_Elementary_Differential_Calculus import MIL.C09_Differential_Calculus.Source_S02_Differential_Calculus_in_Normed_Spaces import MIL.C10_Integration_and_Measure_Theory.Source_S01_Elementary_Integration import MIL.C10_Integration_and_Measure_Theory.Source_S02_Measure_Theory import MIL.C10_Integration_and_Measure_Theory.Source_S03_Integration
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@@ -4,12 +4,19 @@* * Base JavaScript utilities for all Sphinx HTML documentation. * * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS. * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */ "use strict"; const BLACKLISTED_KEY_CONTROL_ELEMENTS = new Set([ "TEXTAREA", "INPUT", "SELECT", "BUTTON", ]); const _ready = (callback) => { if (document.readyState !== "loading") { callback();
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@@ -18,73 +25,11 @@ const _ready = (callback) => {} }; /** * highlight a given string on a node by wrapping it in * span elements with the given class name. */ const _highlight = (node, addItems, text, className) => { if (node.nodeType === Node.TEXT_NODE) { const val = node.nodeValue; const parent = node.parentNode; const pos = val.toLowerCase().indexOf(text); if ( pos >= 0 && !parent.classList.contains(className) && !parent.classList.contains("nohighlight") ) { let span; const closestNode = parent.closest("body, svg, foreignObject"); const isInSVG = closestNode && closestNode.matches("svg"); if (isInSVG) { span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); } else { span = document.createElement("span"); span.classList.add(className); } span.appendChild(document.createTextNode(val.substr(pos, text.length))); parent.insertBefore( span, parent.insertBefore( document.createTextNode(val.substr(pos + text.length)), node.nextSibling ) ); node.nodeValue = val.substr(0, pos); if (isInSVG) { const rect = document.createElementNS( "http://www.w3.org/2000/svg", "rect" ); const bbox = parent.getBBox(); rect.x.baseVal.value = bbox.x; rect.y.baseVal.value = bbox.y; rect.width.baseVal.value = bbox.width; rect.height.baseVal.value = bbox.height; rect.setAttribute("class", className); addItems.push({ parent: parent, target: rect }); } } } else if (node.matches && !node.matches("button, select, textarea")) { node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); } }; const _highlightText = (thisNode, text, className) => { let addItems = []; _highlight(thisNode, addItems, text, className); addItems.forEach((obj) => obj.parent.insertAdjacentElement("beforebegin", obj.target) ); }; /** * Small JavaScript module for the documentation. */ const Documentation = { init: () => { Documentation.highlightSearchWords(); Documentation.initDomainIndexTable(); Documentation.initOnKeyListeners(); },
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@@ -126,51 +71,6 @@ const Documentation = {Documentation.LOCALE = catalog.locale; }, /** * highlight the search words provided in the url in the text */ highlightSearchWords: () => { const highlight = new URLSearchParams(window.location.search).get("highlight") || ""; const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); if (terms.length === 0) return; // nothing to do // There should never be more than one element matching "div.body" const divBody = document.querySelectorAll("div.body"); const body = divBody.length ? divBody[0] : document.querySelector("body"); window.setTimeout(() => { terms.forEach((term) => _highlightText(body, term, "highlighted")); }, 10); const searchBox = document.getElementById("searchbox"); if (searchBox === null) return; searchBox.appendChild( document .createRange() .createContextualFragment( '<p class="highlight-link">' + '<a href="javascript:Documentation.hideSearchWords()">' + Documentation.gettext("Hide Search Matches") + "</a></p>" ) ); }, /** * helper function to hide the search marks again */ hideSearchWords: () => { document .querySelectorAll("#searchbox .highlight-link") .forEach((el) => el.remove()); document .querySelectorAll("span.highlighted") .forEach((el) => el.classList.remove("highlighted")); const url = new URL(window.location); url.searchParams.delete("highlight"); window.history.replaceState({}, "", url); }, /** * helper function to focus on search bar */
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@@ -210,15 +110,11 @@ const Documentation = {) return; const blacklistedElements = new Set([ "TEXTAREA", "INPUT", "SELECT", "BUTTON", ]); document.addEventListener("keydown", (event) => { if (blacklistedElements.has(document.activeElement.tagName)) return; // bail for input elements if (event.altKey || event.ctrlKey || event.metaKey) return; // bail with special keys // bail for input elements if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; // bail with special keys if (event.altKey || event.ctrlKey || event.metaKey) return; if (!event.shiftKey) { switch (event.key) {
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@@ -240,10 +136,6 @@ const Documentation = {event.preventDefault(); } break; case "Escape": if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) break; Documentation.hideSearchWords(); event.preventDefault(); } }
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@@ -10,5 +10,5 @@ var DOCUMENTATION_OPTIONS = {SOURCELINK_SUFFIX: '.txt', NAVIGATION_WITH_KEYS: false, SHOW_SEARCH_SUMMARY: true, ENABLE_SEARCH_SHORTCUTS: false, ENABLE_SEARCH_SHORTCUTS: true, };
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html/_static/jquery-3.6.0.js (deleted)
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@@ -1,10881 +0,0 @@/*! * jQuery JavaScript Library v3.6.0 * https://jquery.com/ * * Includes Sizzle.js * https://sizzlejs.com/ * * Copyright OpenJS Foundation and other contributors * Released under the MIT license * https://jquery.org/license * * Date: 2021-03-02T17:08Z */ ( function( global, factory ) { "use strict"; if ( typeof module === "object" && typeof module.exports === "object" ) { // For CommonJS and CommonJS-like environments where a proper `window` // is present, execute the factory and get jQuery. // For environments that do not have a `window` with a `document` // (such as Node.js), expose a factory as module.exports. // This accentuates the need for the creation of a real `window`. // e.g. var jQuery = require("jquery")(window); // See ticket #14549 for more info. module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new Error( "jQuery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); } // Pass this if window is not defined yet } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common // enough that all such attempts are guarded in a try block. "use strict"; var arr = []; var getProto = Object.getPrototypeOf; var slice = arr.slice; var flat = arr.flat ? function( array ) { return arr.flat.call( array ); } : function( array ) { return arr.concat.apply( [], array ); }; var push = arr.push; var indexOf = arr.indexOf; var class2type = {}; var toString = class2type.toString; var hasOwn = class2type.hasOwnProperty; var fnToString = hasOwn.toString; var ObjectFunctionString = fnToString.call( Object ); var support = {}; var isFunction = function isFunction( obj ) { // Support: Chrome <=57, Firefox <=52 // In some browsers, typeof returns "function" for HTML <object> elements // (i.e., `typeof document.createElement( "object" ) === "function"`). // We don't want to classify *any* DOM node as a function. // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5 // Plus for old WebKit, typeof returns "function" for HTML collections // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756) return typeof obj === "function" && typeof obj.nodeType !== "number" && typeof obj.item !== "function"; }; var isWindow = function isWindow( obj ) { return obj != null && obj === obj.window; }; var document = window.document; var preservedScriptAttributes = { type: true, src: true, nonce: true, noModule: true }; function DOMEval( code, node, doc ) { doc = doc || document; var i, val, script = doc.createElement( "script" ); script.text = code; if ( node ) { for ( i in preservedScriptAttributes ) { // Support: Firefox 64+, Edge 18+ // Some browsers don't support the "nonce" property on scripts. // On the other hand, just using `getAttribute` is not enough as // the `nonce` attribute is reset to an empty string whenever it // becomes browsing-context connected. // See https://github.com/whatwg/html/issues/2369 // See https://html.spec.whatwg.org/#nonce-attributes // The `node.getAttribute` check was added for the sake of // `jQuery.globalEval` so that it can fake a nonce-containing node // via an object. val = node[ i ] || node.getAttribute && node.getAttribute( i ); if ( val ) { script.setAttribute( i, val ); } } } doc.head.appendChild( script ).parentNode.removeChild( script ); } function toType( obj ) { if ( obj == null ) { return obj + ""; } // Support: Android <=2.3 only (functionish RegExp) return typeof obj === "object" || typeof obj === "function" ? class2type[ toString.call( obj ) ] || "object" : typeof obj; } /* global Symbol */ // Defining this global in .eslintrc.json would create a danger of using the global // unguarded in another place, it seems safer to define global only for this module var version = "3.6.0", // Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' // Need init if jQuery is called (just allow error to be thrown if not included) return new jQuery.fn.init( selector, context ); }; jQuery.fn = jQuery.prototype = { // The current version of jQuery being used jquery: version, constructor: jQuery, // The default length of a jQuery object is 0 length: 0, toArray: function() { return slice.call( this ); }, // Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { // Return all the elements in a clean array if ( num == null ) { return slice.call( this ); } // Return just the one element from the set return num < 0 ? this[ num + this.length ] : this[ num ]; }, // Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems ) { // Build a new jQuery matched element set var ret = jQuery.merge( this.constructor(), elems ); // Add the old object onto the stack (as a reference) ret.prevObject = this; // Return the newly-formed element set return ret; }, // Execute a callback for every element in the matched set. each: function( callback ) { return jQuery.each( this, callback ); }, map: function( callback ) { return this.pushStack( jQuery.map( this, function( elem, i ) { return callback.call( elem, i, elem ); } ) ); }, slice: function() { return this.pushStack( slice.apply( this, arguments ) ); }, first: function() { return this.eq( 0 ); }, last: function() { return this.eq( -1 ); }, even: function() { return this.pushStack( jQuery.grep( this, function( _elem, i ) { return ( i + 1 ) % 2; } ) ); }, odd: function() { return this.pushStack( jQuery.grep( this, function( _elem, i ) { return i % 2; } ) ); }, eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); }, end: function() { return this.prevObject || this.constructor(); }, // For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, sort: arr.sort, splice: arr.splice }; jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[ 0 ] || {}, i = 1, length = arguments.length, deep = false; // Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; // Skip the boolean and the target target = arguments[ i ] || {}; i++; } // Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !isFunction( target ) ) { target = {}; } // Extend jQuery itself if only one argument is passed if ( i === length ) { target = this; i--; } for ( ; i < length; i++ ) { // Only deal with non-null/undefined values if ( ( options = arguments[ i ] ) != null ) { // Extend the base object for ( name in options ) { copy = options[ name ]; // Prevent Object.prototype pollution // Prevent never-ending loop if ( name === "__proto__" || target === copy ) { continue; } // Recurse if we're merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject( copy ) || ( copyIsArray = Array.isArray( copy ) ) ) ) { src = target[ name ]; // Ensure proper type for the source value if ( copyIsArray && !Array.isArray( src ) ) { clone = []; } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { clone = {}; } else { clone = src; } copyIsArray = false; // Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy ); // Don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } } // Return the modified object return target; }; jQuery.extend( { // Unique for each copy of jQuery on the page expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), // Assume jQuery is ready without the ready module isReady: true, error: function( msg ) { throw new Error( msg ); }, noop: function() {}, isPlainObject: function( obj ) { var proto, Ctor; // Detect obvious negatives // Use toString instead of jQuery.type to catch host objects if ( !obj || toString.call( obj ) !== "[object Object]" ) { return false; } proto = getProto( obj ); // Objects with no prototype (e.g., `Object.create( null )`) are plain if ( !proto ) { return true; } // Objects with prototype are plain iff they were constructed by a global Object function Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; }, isEmptyObject: function( obj ) { var name; for ( name in obj ) { return false; } return true; }, // Evaluates a script in a provided context; falls back to the global one // if not specified. globalEval: function( code, options, doc ) { DOMEval( code, { nonce: options && options.nonce }, doc ); }, each: function( obj, callback ) { var length, i = 0; if ( isArrayLike( obj ) ) { length = obj.length; for ( ; i < length; i++ ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } else { for ( i in obj ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } return obj; }, // results is for internal usage only makeArray: function( arr, results ) { var ret = results || []; if ( arr != null ) { if ( isArrayLike( Object( arr ) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } } return ret; }, inArray: function( elem, arr, i ) { return arr == null ? -1 : indexOf.call( arr, elem, i ); }, // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit merge: function( first, second ) { var len = +second.length, j = 0, i = first.length; for ( ; j < len; j++ ) { first[ i++ ] = second[ j ]; } first.length = i; return first; }, grep: function( elems, callback, invert ) { var callbackInverse, matches = [], i = 0, length = elems.length, callbackExpect = !invert; // Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { callbackInverse = !callback( elems[ i ], i ); if ( callbackInverse !== callbackExpect ) { matches.push( elems[ i ] ); } } return matches; }, // arg is for internal usage only map: function( elems, callback, arg ) { var length, value, i = 0, ret = []; // Go through the array, translating each of the items to their new values if ( isArrayLike( elems ) ) { length = elems.length; for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } // Go through every key on the object, } else { for ( i in elems ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } } // Flatten any nested arrays return flat( ret ); }, // A global GUID counter for objects guid: 1, // jQuery.support is not used in Core but other projects attach their // properties to it so it needs to exist. support: support } ); if ( typeof Symbol === "function" ) { jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; } // Populate the class2type map jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), function( _i, name ) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); } ); function isArrayLike( obj ) { // Support: real iOS 8.2 only (not reproducible in simulator) // `in` check used to prevent JIT error (gh-2145) // hasOwn isn't used here due to false negatives // regarding Nodelist length in IE var length = !!obj && "length" in obj && obj.length, type = toType( obj ); if ( isFunction( obj ) || isWindow( obj ) ) { return false; } return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var Sizzle = /*! * Sizzle CSS Selector Engine v2.3.6 * https://sizzlejs.com/ * * Copyright JS Foundation and other contributors * Released under the MIT license * https://js.foundation/ * * Date: 2021-02-16 */ ( function( window ) { var i, support, Expr, getText, isXML, tokenize, compile, select, outermostContext, sortInput, hasDuplicate, // Local document vars setDocument, document, docElem, documentIsHTML, rbuggyQSA, rbuggyMatches, matches, contains, // Instance-specific data expando = "sizzle" + 1 * new Date(), preferredDoc = window.document, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), nonnativeSelectorCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; } return 0; }, // Instance methods hasOwn = ( {} ).hasOwnProperty, arr = [], pop = arr.pop, pushNative = arr.push, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf as it's faster than native // https://jsperf.com/thor-indexof-vs-for/5 indexOf = function( list, elem ) { var i = 0, len = list.length; for ( ; i < len; i++ ) { if ( list[ i ] === elem ) { return i; } } return -1; }, booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" + "ismap|loop|multiple|open|readonly|required|scoped", // Regular expressions // http://www.w3.org/TR/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+", // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + // Operator (capture 2) "*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5] // or strings [capture 3 or capture 4]" "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]", pseudos = ":(" + identifier + ")(?:\\((" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2) ".*" + ")\\)|)", // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rwhitespace = new RegExp( whitespace + "+", "g" ), rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), rdescend = new RegExp( whitespace + "|>" ), rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ), matchExpr = { "ID": new RegExp( "^#(" + identifier + ")" ), "CLASS": new RegExp( "^\\.(" + identifier + ")" ), "TAG": new RegExp( "^(" + identifier + "|[*])" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), // For use in libraries implementing .is() // We use this for POS matching in `select` "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) }, rhtml = /HTML$/i, rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i, rnative = /^[^{]+\{\s*\[native \w/, // Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, rsibling = /[+~]/, // CSS escapes // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ), funescape = function( escape, nonHex ) { var high = "0x" + escape.slice( 1 ) - 0x10000; return nonHex ? // Strip the backslash prefix from a non-hex escape sequence nonHex : // Replace a hexadecimal escape sequence with the encoded Unicode code point // Support: IE <=11+ // For values outside the Basic Multilingual Plane (BMP), manually construct a // surrogate pair high < 0 ? String.fromCharCode( high + 0x10000 ) : String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); }, // CSS string/identifier serialization // https://drafts.csswg.org/cssom/#common-serializing-idioms rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, fcssescape = function( ch, asCodePoint ) { if ( asCodePoint ) { // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER if ( ch === "\0" ) { return "\uFFFD"; } // Control characters and (dependent upon position) numbers get escaped as code points return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; } // Other potentially-special ASCII characters get backslash-escaped return "\\" + ch; }, // Used for iframes // See setDocument() // Removing the function wrapper causes a "Permission Denied" // error in IE unloadHandler = function() { setDocument(); }, inDisabledFieldset = addCombinator( function( elem ) { return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset"; }, { dir: "parentNode", next: "legend" } ); // Optimize for push.apply( _, NodeList ) try { push.apply( ( arr = slice.call( preferredDoc.childNodes ) ), preferredDoc.childNodes ); // Support: Android<4.0 // Detect silently failing push.apply // eslint-disable-next-line no-unused-expressions arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { push = { apply: arr.length ? // Leverage slice if possible function( target, els ) { pushNative.apply( target, slice.call( els ) ); } : // Support: IE<9 // Otherwise append directly function( target, els ) { var j = target.length, i = 0; // Can't trust NodeList.length while ( ( target[ j++ ] = els[ i++ ] ) ) {} target.length = j - 1; } }; } function Sizzle( selector, context, results, seed ) { var m, i, elem, nid, match, groups, newSelector, newContext = context && context.ownerDocument, // nodeType defaults to 9, since context defaults to document nodeType = context ? context.nodeType : 9; results = results || []; // Return early from calls with invalid selector or context if ( typeof selector !== "string" || !selector || nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { return results; } // Try to shortcut find operations (as opposed to filters) in HTML documents if ( !seed ) { setDocument( context ); context = context || document; if ( documentIsHTML ) { // If the selector is sufficiently simple, try using a "get*By*" DOM method // (excepting DocumentFragment context, where the methods don't exist) if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) { // ID selector if ( ( m = match[ 1 ] ) ) { // Document context if ( nodeType === 9 ) { if ( ( elem = context.getElementById( m ) ) ) { // Support: IE, Opera, Webkit // TODO: identify versions // getElementById can match elements by name instead of ID if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; } // Element context } else { // Support: IE, Opera, Webkit // TODO: identify versions // getElementById can match elements by name instead of ID if ( newContext && ( elem = newContext.getElementById( m ) ) && contains( context, elem ) && elem.id === m ) { results.push( elem ); return results; } } // Type selector } else if ( match[ 2 ] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results; // Class selector } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName && context.getElementsByClassName ) { push.apply( results, context.getElementsByClassName( m ) ); return results; } } // Take advantage of querySelectorAll if ( support.qsa && !nonnativeSelectorCache[ selector + " " ] && ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) && // Support: IE 8 only // Exclude object elements ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) { newSelector = selector; newContext = context; // qSA considers elements outside a scoping root when evaluating child or // descendant combinators, which is not what we want. // In such cases, we work around the behavior by prefixing every selector in the // list with an ID selector referencing the scope context. // The technique has to be used as well when a leading combinator is used // as such selectors are not recognized by querySelectorAll. // Thanks to Andrew Dupont for this technique. if ( nodeType === 1 && ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) { // Expand context for sibling selectors newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; // We can use :scope instead of the ID hack if the browser // supports it & if we're not changing the context. if ( newContext !== context || !support.scope ) { // Capture the context ID, setting it first if necessary if ( ( nid = context.getAttribute( "id" ) ) ) { nid = nid.replace( rcssescape, fcssescape ); } else { context.setAttribute( "id", ( nid = expando ) ); } } // Prefix every selector in the list groups = tokenize( selector ); i = groups.length; while ( i-- ) { groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " + toSelector( groups[ i ] ); } newSelector = groups.join( "," ); } try { push.apply( results, newContext.querySelectorAll( newSelector ) ); return results; } catch ( qsaError ) { nonnativeSelectorCache( selector, true ); } finally { if ( nid === expando ) { context.removeAttribute( "id" ); } } } } } // All others return select( selector.replace( rtrim, "$1" ), context, results, seed ); } /** * Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) * deleting the oldest entry */ function createCache() { var keys = []; function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } return ( cache[ key + " " ] = value ); } return cache; } /** * Mark a function for special use by Sizzle * @param {Function} fn The function to mark */ function markFunction( fn ) { fn[ expando ] = true; return fn; } /** * Support testing using an element * @param {Function} fn Passed the created element and returns a boolean result */ function assert( fn ) { var el = document.createElement( "fieldset" ); try { return !!fn( el ); } catch ( e ) { return false; } finally { // Remove from its parent by default if ( el.parentNode ) { el.parentNode.removeChild( el ); } // release memory in IE el = null; } } /** * Adds the same handler for all of the specified attrs * @param {String} attrs Pipe-separated list of attributes * @param {Function} handler The method that will be applied */ function addHandle( attrs, handler ) { var arr = attrs.split( "|" ), i = arr.length; while ( i-- ) { Expr.attrHandle[ arr[ i ] ] = handler; } } /** * Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b */ function siblingCheck( a, b ) { var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && a.sourceIndex - b.sourceIndex; // Use IE sourceIndex if available on both nodes if ( diff ) { return diff; } // Check if b follows a if ( cur ) { while ( ( cur = cur.nextSibling ) ) { if ( cur === b ) { return -1; } } } return a ? 1 : -1; } /** * Returns a function to use in pseudos for input types * @param {String} type */ function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; } /** * Returns a function to use in pseudos for buttons * @param {String} type */ function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return ( name === "input" || name === "button" ) && elem.type === type; }; } /** * Returns a function to use in pseudos for :enabled/:disabled * @param {Boolean} disabled true for :disabled; false for :enabled */ function createDisabledPseudo( disabled ) { // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable return function( elem ) { // Only certain elements can match :enabled or :disabled // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled if ( "form" in elem ) { // Check for inherited disabledness on relevant non-disabled elements: // * listed form-associated elements in a disabled fieldset // https://html.spec.whatwg.org/multipage/forms.html#category-listed // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled // * option elements in a disabled optgroup // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled // All such elements have a "form" property. if ( elem.parentNode && elem.disabled === false ) { // Option elements defer to a parent optgroup if present if ( "label" in elem ) { if ( "label" in elem.parentNode ) { return elem.parentNode.disabled === disabled; } else { return elem.disabled === disabled; } } // Support: IE 6 - 11 // Use the isDisabled shortcut property to check for disabled fieldset ancestors return elem.isDisabled === disabled || // Where there is no isDisabled, check manually /* jshint -W018 */ elem.isDisabled !== !disabled && inDisabledFieldset( elem ) === disabled; } return elem.disabled === disabled; // Try to winnow out elements that can't be disabled before trusting the disabled property. // Some victims get caught in our net (label, legend, menu, track), but it shouldn't // even exist on them, let alone have a boolean value. } else if ( "label" in elem ) { return elem.disabled === disabled; } // Remaining elements are neither :enabled nor :disabled return false; }; } /** * Returns a function to use in pseudos for positionals * @param {Function} fn */ function createPositionalPseudo( fn ) { return markFunction( function( argument ) { argument = +argument; return markFunction( function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length; // Match elements found at the specified indexes while ( i-- ) { if ( seed[ ( j = matchIndexes[ i ] ) ] ) { seed[ j ] = !( matches[ j ] = seed[ j ] ); } } } ); } ); } /** * Checks a node for validity as a Sizzle context * @param {Element|Object=} context * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value */ function testContext( context ) { return context && typeof context.getElementsByTagName !== "undefined" && context; } // Expose support vars for convenience support = Sizzle.support = {}; /** * Detects XML nodes * @param {Element|Object} elem An element or a document * @returns {Boolean} True iff elem is a non-HTML XML node */ isXML = Sizzle.isXML = function( elem ) { var namespace = elem && elem.namespaceURI, docElem = elem && ( elem.ownerDocument || elem ).documentElement; // Support: IE <=8 // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes // https://bugs.jquery.com/ticket/4833 return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" ); }; /** * Sets document-related variables once based on the current document * @param {Element|Object} [doc] An element or document object to use to set the document * @returns {Object} Returns the current document */ setDocument = Sizzle.setDocument = function( node ) { var hasCompare, subWindow, doc = node ? node.ownerDocument || node : preferredDoc; // Return early if doc is invalid or already selected // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) { return document; } // Update global variables document = doc; docElem = document.documentElement; documentIsHTML = !isXML( document ); // Support: IE 9 - 11+, Edge 12 - 18+ // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq if ( preferredDoc != document && ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) { // Support: IE 11, Edge if ( subWindow.addEventListener ) { subWindow.addEventListener( "unload", unloadHandler, false ); // Support: IE 9 - 10 only } else if ( subWindow.attachEvent ) { subWindow.attachEvent( "onunload", unloadHandler ); } } // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only, // Safari 4 - 5 only, Opera <=11.6 - 12.x only // IE/Edge & older browsers don't support the :scope pseudo-class. // Support: Safari 6.0 only // Safari 6.0 supports :scope but it's an alias of :root there. support.scope = assert( function( el ) { docElem.appendChild( el ).appendChild( document.createElement( "div" ) ); return typeof el.querySelectorAll !== "undefined" && !el.querySelectorAll( ":scope fieldset div" ).length; } ); /* Attributes ---------------------------------------------------------------------- */ // Support: IE<8 // Verify that getAttribute really returns attributes and not properties // (excepting IE8 booleans) support.attributes = assert( function( el ) { el.className = "i"; return !el.getAttribute( "className" ); } ); /* getElement(s)By* ---------------------------------------------------------------------- */ // Check if getElementsByTagName("*") returns only elements support.getElementsByTagName = assert( function( el ) { el.appendChild( document.createComment( "" ) ); return !el.getElementsByTagName( "*" ).length; } ); // Support: IE<9 support.getElementsByClassName = rnative.test( document.getElementsByClassName ); // Support: IE<10 // Check if getElementById returns elements by name // The broken getElementById methods don't pick up programmatically-set names, // so use a roundabout getElementsByName test support.getById = assert( function( el ) { docElem.appendChild( el ).id = expando; return !document.getElementsByName || !document.getElementsByName( expando ).length; } ); // ID filter and find if ( support.getById ) { Expr.filter[ "ID" ] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute( "id" ) === attrId; }; }; Expr.find[ "ID" ] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var elem = context.getElementById( id ); return elem ? [ elem ] : []; } }; } else { Expr.filter[ "ID" ] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode( "id" ); return node && node.value === attrId; }; }; // Support: IE 6 - 7 only // getElementById is not reliable as a find shortcut Expr.find[ "ID" ] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var node, i, elems, elem = context.getElementById( id ); if ( elem ) { // Verify the id attribute node = elem.getAttributeNode( "id" ); if ( node && node.value === id ) { return [ elem ]; } // Fall back on getElementsByName elems = context.getElementsByName( id ); i = 0; while ( ( elem = elems[ i++ ] ) ) { node = elem.getAttributeNode( "id" ); if ( node && node.value === id ) { return [ elem ]; } } } return []; } }; } // Tag Expr.find[ "TAG" ] = support.getElementsByTagName ? function( tag, context ) { if ( typeof context.getElementsByTagName !== "undefined" ) { return context.getElementsByTagName( tag ); // DocumentFragment nodes don't have gEBTN } else if ( support.qsa ) { return context.querySelectorAll( tag ); } } : function( tag, context ) { var elem, tmp = [], i = 0, // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too results = context.getElementsByTagName( tag ); // Filter out possible comments if ( tag === "*" ) { while ( ( elem = results[ i++ ] ) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } } return tmp; } return results; }; // Class Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) { if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { return context.getElementsByClassName( className ); } }; /* QSA/matchesSelector ---------------------------------------------------------------------- */ // QSA and matchesSelector support // matchesSelector(:active) reports false when true (IE9/Opera 11.5) rbuggyMatches = []; // qSa(:focus) reports false when true (Chrome 21) // We allow this because of a bug in IE8/9 that throws an error // whenever `document.activeElement` is accessed on an iframe // So, we allow :focus to pass through QSA all the time to avoid the IE error // See https://bugs.jquery.com/ticket/13378 rbuggyQSA = []; if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) { // Build QSA regex // Regex strategy adopted from Diego Perini assert( function( el ) { var input; // Select is set to empty string on purpose // This is to test IE's treatment of not explicitly // setting a boolean content attribute, // since its presence should be enough // https://bugs.jquery.com/ticket/12359 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" + "<select id='" + expando + "-\r\\' msallowcapture=''>" + "<option selected=''></option></select>"; // Support: IE8, Opera 11-12.16 // Nothing should be selected when empty strings follow ^= or $= or *= // The test attribute must be unknown in Opera but "safe" for WinRT // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); } // Support: IE8 // Boolean attributes and "value" are not treated correctly if ( !el.querySelectorAll( "[selected]" ).length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); } // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { rbuggyQSA.push( "~=" ); } // Support: IE 11+, Edge 15 - 18+ // IE 11/Edge don't find elements on a `[name='']` query in some cases. // Adding a temporary attribute to the document before the selection works // around the issue. // Interestingly, IE 10 & older don't seem to have the issue. input = document.createElement( "input" ); input.setAttribute( "name", "" ); el.appendChild( input ); if ( !el.querySelectorAll( "[name='']" ).length ) { rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" + whitespace + "*(?:''|\"\")" ); } // Webkit/Opera - :checked should return selected option elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked // IE8 throws error here and will not see later tests if ( !el.querySelectorAll( ":checked" ).length ) { rbuggyQSA.push( ":checked" ); } // Support: Safari 8+, iOS 8+ // https://bugs.webkit.org/show_bug.cgi?id=136851 // In-page `selector#id sibling-combinator selector` fails if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { rbuggyQSA.push( ".#.+[+~]" ); } // Support: Firefox <=3.6 - 5 only // Old Firefox doesn't throw on a badly-escaped identifier. el.querySelectorAll( "\\\f" ); rbuggyQSA.push( "[\\r\\n\\f]" ); } ); assert( function( el ) { el.innerHTML = "<a href='' disabled='disabled'></a>" + "<select disabled='disabled'><option/></select>"; // Support: Windows 8 Native Apps // The type and name attributes are restricted during .innerHTML assignment var input = document.createElement( "input" ); input.setAttribute( "type", "hidden" ); el.appendChild( input ).setAttribute( "name", "D" ); // Support: IE8 // Enforce case-sensitivity of name attribute if ( el.querySelectorAll( "[name=d]" ).length ) { rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); } // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here and will not see later tests if ( el.querySelectorAll( ":enabled" ).length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); } // Support: IE9-11+ // IE's :disabled selector does not pick up the children of disabled fieldsets docElem.appendChild( el ).disabled = true; if ( el.querySelectorAll( ":disabled" ).length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); } // Support: Opera 10 - 11 only // Opera 10-11 does not throw on post-comma invalid pseudos el.querySelectorAll( "*,:x" ); rbuggyQSA.push( ",.*:" ); } ); } if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector ) ) ) ) { assert( function( el ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) support.disconnectedMatch = matches.call( el, "*" ); // This should fail with an exception // Gecko does not error, returns false instead matches.call( el, "[s!='']:x" ); rbuggyMatches.push( "!=", pseudos ); } ); } rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) ); rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) ); /* Contains ---------------------------------------------------------------------- */ hasCompare = rnative.test( docElem.compareDocumentPosition ); // Element contains another // Purposefully self-exclusive // As in, an element does not contain itself contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 ) ); } : function( a, b ) { if ( b ) { while ( ( b = b.parentNode ) ) { if ( b === a ) { return true; } } } return false; }; /* Sorting ---------------------------------------------------------------------- */ // Document order sorting sortOrder = hasCompare ? function( a, b ) { // Flag for duplicate removal if ( a === b ) { hasDuplicate = true; return 0; } // Sort on method existence if only one input has compareDocumentPosition var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { return compare; } // Calculate position if both inputs belong to the same document // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) : // Otherwise we know they are disconnected 1; // Disconnected nodes if ( compare & 1 || ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) { // Choose the first element that is related to our preferred document // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq if ( a == document || a.ownerDocument == preferredDoc && contains( preferredDoc, a ) ) { return -1; } // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq if ( b == document || b.ownerDocument == preferredDoc && contains( preferredDoc, b ) ) { return 1; } // Maintain original order return sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; } return compare & 4 ? -1 : 1; } : function( a, b ) { // Exit early if the nodes are identical if ( a === b ) { hasDuplicate = true; return 0; } var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ]; // Parentless nodes are either documents or disconnected if ( !aup || !bup ) { // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. /* eslint-disable eqeqeq */ return a == document ? -1 : b == document ? 1 : /* eslint-enable eqeqeq */ aup ? -1 : bup ? 1 : sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; // If the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); } // Otherwise we need full lists of their ancestors for comparison cur = a; while ( ( cur = cur.parentNode ) ) { ap.unshift( cur ); } cur = b; while ( ( cur = cur.parentNode ) ) { bp.unshift( cur ); } // Walk down the tree looking for a discrepancy while ( ap[ i ] === bp[ i ] ) { i++; } return i ? // Do a sibling check if the nodes have a common ancestor siblingCheck( ap[ i ], bp[ i ] ) : // Otherwise nodes in our document sort first // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. /* eslint-disable eqeqeq */ ap[ i ] == preferredDoc ? -1 : bp[ i ] == preferredDoc ? 1 : /* eslint-enable eqeqeq */ 0; }; return document; }; Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); }; Sizzle.matchesSelector = function( elem, expr ) { setDocument( elem ); if ( support.matchesSelector && documentIsHTML && !nonnativeSelectorCache[ expr + " " ] && ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { try { var ret = matches.call( elem, expr ); // IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch ( e ) { nonnativeSelectorCache( expr, true ); } } return Sizzle( expr, document, null, [ elem ] ).length > 0; }; Sizzle.contains = function( context, elem ) { // Set document vars if needed // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq if ( ( context.ownerDocument || context ) != document ) { setDocument( context ); } return contains( context, elem ); }; Sizzle.attr = function( elem, name ) { // Set document vars if needed // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq if ( ( elem.ownerDocument || elem ) != document ) { setDocument( elem ); } var fn = Expr.attrHandle[ name.toLowerCase() ], // Don't get fooled by Object.prototype properties (jQuery #13807) val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined; return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : ( val = elem.getAttributeNode( name ) ) && val.specified ? val.value : null; }; Sizzle.escape = function( sel ) { return ( sel + "" ).replace( rcssescape, fcssescape ); }; Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); }; /** * Document sorting and removing duplicates * @param {ArrayLike} results */ Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0; // Unless we *know* we can detect duplicates, assume their presence hasDuplicate = !support.detectDuplicates; sortInput = !support.sortStable && results.slice( 0 ); results.sort( sortOrder ); if ( hasDuplicate ) { while ( ( elem = results[ i++ ] ) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } } // Clear input after sorting to release objects // See https://github.com/jquery/sizzle/pull/225 sortInput = null; return results; }; /** * Utility function for retrieving the text value of an array of DOM nodes * @param {Array|Element} elem */ getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType; if ( !nodeType ) { // If no nodeType, this is expected to be an array while ( ( node = elem[ i++ ] ) ) { // Do not traverse comment nodes ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (jQuery #11153) if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { // Traverse its children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { ret += getText( elem ); } } } else if ( nodeType === 3 || nodeType === 4 ) { return elem.nodeValue; } // Do not include comment or processing instruction nodes return ret; }; Expr = Sizzle.selectors = { // Can be adjusted by the user cacheLength: 50, createPseudo: markFunction, match: matchExpr, attrHandle: {}, find: {}, relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } }, preFilter: { "ATTR": function( match ) { match[ 1 ] = match[ 1 ].replace( runescape, funescape ); // Move the given value to match[3] whether quoted or unquoted match[ 3 ] = ( match[ 3 ] || match[ 4 ] || match[ 5 ] || "" ).replace( runescape, funescape ); if ( match[ 2 ] === "~=" ) { match[ 3 ] = " " + match[ 3 ] + " "; } return match.slice( 0, 4 ); }, "CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[ 1 ] = match[ 1 ].toLowerCase(); if ( match[ 1 ].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[ 3 ] ) { Sizzle.error( match[ 0 ] ); } // numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[ 4 ] = +( match[ 4 ] ? match[ 5 ] + ( match[ 6 ] || 1 ) : 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) ); match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" ); // other types prohibit arguments } else if ( match[ 3 ] ) { Sizzle.error( match[ 0 ] ); } return match; }, "PSEUDO": function( match ) { var excess, unquoted = !match[ 6 ] && match[ 2 ]; if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) { return null; } // Accept quoted arguments as-is if ( match[ 3 ] ) { match[ 2 ] = match[ 4 ] || match[ 5 ] || ""; // Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively) ( excess = tokenize( unquoted, true ) ) && // advance to the next closing parenthesis ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) { // excess is a negative index match[ 0 ] = match[ 0 ].slice( 0, excess ); match[ 2 ] = unquoted.slice( 0, excess ); } // Return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } }, filter: { "TAG": function( nodeNameSelector ) { var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? function() { return true; } : function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; }, "CLASS": function( className ) { var pattern = classCache[ className + " " ]; return pattern || ( pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" ) ) && classCache( className, function( elem ) { return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute( "class" ) || "" ); } ); }, "ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name ); if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; } result += ""; /* eslint-disable max-len */ return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; /* eslint-enable max-len */ }; }, "CHILD": function( type, what, _argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type"; return first === 1 && last === 0 ? // Shortcut for :nth-*(n) function( elem ) { return !!elem.parentNode; } : function( elem, _context, xml ) { var cache, uniqueCache, outerCache, node, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType, diff = false; if ( parent ) { // :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( ( node = node[ dir ] ) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { return false; } } // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } return true; } start = [ forward ? parent.firstChild : parent.lastChild ]; // non-xml :nth-child(...) stores cache data on `parent` if ( forward && useCache ) { // Seek `elem` from a previously-cached index // ...in a gzip-friendly way node = parent; outerCache = node[ expando ] || ( node[ expando ] = {} ); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || ( outerCache[ node.uniqueID ] = {} ); cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex && cache[ 2 ]; node = nodeIndex && parent.childNodes[ nodeIndex ]; while ( ( node = ++nodeIndex && node && node[ dir ] || // Fallback to seeking `elem` from the start ( diff = nodeIndex = 0 ) || start.pop() ) ) { // When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } } } else { // Use previously-cached element index if available if ( useCache ) { // ...in a gzip-friendly way node = elem; outerCache = node[ expando ] || ( node[ expando ] = {} ); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || ( outerCache[ node.uniqueID ] = {} ); cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex; } // xml :nth-child(...) // or :nth-last-child(...) or :nth(-last)?-of-type(...) if ( diff === false ) { // Use the same loop as above to seek `elem` from the start while ( ( node = ++nodeIndex && node && node[ dir ] || ( diff = nodeIndex = 0 ) || start.pop() ) ) { if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { // Cache the index of each encountered element if ( useCache ) { outerCache = node[ expando ] || ( node[ expando ] = {} ); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || ( outerCache[ node.uniqueID ] = {} ); uniqueCache[ type ] = [ dirruns, diff ]; } if ( node === elem ) { break; } } } } } // Incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; }, "PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo ); // The user may use createPseudo to indicate that // arguments are needed to create the filter function // just as Sizzle does if ( fn[ expando ] ) { return fn( argument ); } // But maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction( function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf( seed, matched[ i ] ); seed[ idx ] = !( matches[ idx ] = matched[ i ] ); } } ) : function( elem ) { return fn( elem, 0, args ); }; } return fn; } }, pseudos: { // Potentially complex pseudos "not": markFunction( function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) ); return matcher[ expando ] ? markFunction( function( seed, matches, _context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length; // Match elements unmatched by `matcher` while ( i-- ) { if ( ( elem = unmatched[ i ] ) ) { seed[ i ] = !( matches[ i ] = elem ); } } } ) : function( elem, _context, xml ) { input[ 0 ] = elem; matcher( input, null, xml, results ); // Don't keep the element (issue #299) input[ 0 ] = null; return !results.pop(); }; } ), "has": markFunction( function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; } ), "contains": markFunction( function( text ) { text = text.replace( runescape, funescape ); return function( elem ) { return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1; }; } ), // "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test( lang || "" ) ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( ( elemLang = documentIsHTML ? elem.lang : elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) { elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 ); return false; }; } ), // Miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; }, "root": function( elem ) { return elem === docElem; }, "focus": function( elem ) { return elem === document.activeElement && ( !document.hasFocus || document.hasFocus() ) && !!( elem.type || elem.href || ~elem.tabIndex ); }, // Boolean properties "enabled": createDisabledPseudo( false ), "disabled": createDisabledPseudo( true ), "checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return ( nodeName === "input" && !!elem.checked ) || ( nodeName === "option" && !!elem.selected ); }, "selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { // eslint-disable-next-line no-unused-expressions elem.parentNode.selectedIndex; } return elem.selected === true; }, // Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; }, "parent": function( elem ) { return !Expr.pseudos[ "empty" ]( elem ); }, // Element/input types "header": function( elem ) { return rheader.test( elem.nodeName ); }, "input": function( elem ) { return rinputs.test( elem.nodeName ); }, "button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; }, "text": function( elem ) { var attr; return elem.nodeName.toLowerCase() === "input" && elem.type === "text" && // Support: IE<8 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" ( ( attr = elem.getAttribute( "type" ) ) == null || attr.toLowerCase() === "text" ); }, // Position-in-collection "first": createPositionalPseudo( function() { return [ 0 ]; } ), "last": createPositionalPseudo( function( _matchIndexes, length ) { return [ length - 1 ]; } ), "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; } ), "even": createPositionalPseudo( function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; } ), "odd": createPositionalPseudo( function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; } ), "lt": createPositionalPseudo( function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument > length ? length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; } ), "gt": createPositionalPseudo( function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; } ) } }; Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ]; // Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); } // Easy API for creating new setFilters function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters(); tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ]; if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); } soFar = selector; groups = []; preFilters = Expr.preFilter; while ( soFar ) { // Comma and first run if ( !matched || ( match = rcomma.exec( soFar ) ) ) { if ( match ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[ 0 ].length ) || soFar; } groups.push( ( tokens = [] ) ); } matched = false; // Combinators if ( ( match = rcombinators.exec( soFar ) ) ) { matched = match.shift(); tokens.push( { value: matched, // Cast descendant combinators to space type: match[ 0 ].replace( rtrim, " " ) } ); soFar = soFar.slice( matched.length ); } // Filters for ( type in Expr.filter ) { if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] || ( match = preFilters[ type ]( match ) ) ) ) { matched = match.shift(); tokens.push( { value: matched, type: type, matches: match } ); soFar = soFar.slice( matched.length ); } } if ( !matched ) { break; } } // Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); }; function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[ i ].value; } return selector; } function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, skip = combinator.next, key = skip || dir, checkNonElements = base && key === "parentNode", doneName = done++; return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( ( elem = elem[ dir ] ) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } return false; } : // Check against all ancestor/preceding elements function( elem, context, xml ) { var oldCache, uniqueCache, outerCache, newCache = [ dirruns, doneName ]; // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching if ( xml ) { while ( ( elem = elem[ dir ] ) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( ( elem = elem[ dir ] ) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || ( elem[ expando ] = {} ); // Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ elem.uniqueID ] || ( outerCache[ elem.uniqueID ] = {} ); if ( skip && skip === elem.nodeName.toLowerCase() ) { elem = elem[ dir ] || elem; } else if ( ( oldCache = uniqueCache[ key ] ) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { // Assign to newCache so results back-propagate to previous elements return ( newCache[ 2 ] = oldCache[ 2 ] ); } else { // Reuse newcache so results back-propagate to previous elements uniqueCache[ key ] = newCache; // A match means we're done; a fail means we have to keep checking if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) { return true; } } } } } return false; }; } function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[ i ]( elem, context, xml ) ) { return false; } } return true; } : matchers[ 0 ]; } function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[ i ], results ); } return results; } function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null; for ( ; i < len; i++ ) { if ( ( elem = unmatched[ i ] ) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } } return newUnmatched; } function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction( function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length, // Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), // Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems, matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ? // ...intermediate processing is necessary [] : // ...otherwise use results directly results : matcherIn; // Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); } // Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml ); // Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( ( elem = temp[ i ] ) ) { matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem ); } } } if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( ( elem = matcherOut[ i ] ) ) { // Restore matcherIn since elem is not yet a final match temp.push( ( matcherIn[ i ] = elem ) ); } } postFinder( null, ( matcherOut = [] ), temp, xml ); } // Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( ( elem = matcherOut[ i ] ) && ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) { seed[ temp ] = !( results[ temp ] = elem ); } } } // Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } } ); } function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[ 0 ].type ], implicitRelative = leadingRelative || Expr.relative[ " " ], i = leadingRelative ? 1 : 0, // The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( ( checkContext = context ).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); // Avoid hanging onto element (issue #299) checkContext = null; return ret; } ]; for ( ; i < len; i++ ) { if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) { matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ]; } else { matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches ); // Return special upon seeing a positional matcher if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[ j ].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*` tokens .slice( 0, i - 1 ) .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } ) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } } return elementMatcher( matchers ); } function matcherFromGroupMatchers( elementMatchers, setMatchers ) { var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedCount = 0, i = "0", unmatched = seed && [], setMatched = [], contextBackup = outermostContext, // We must always have either seed elements or outermost context elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ), // Use integer dirruns iff this is the outermost matcher dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ), len = elems.length; if ( outermost ) { // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq outermostContext = context == document || context || outermost; } // Add elements passing elementMatchers directly to results // Support: IE<9, Safari // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) { if ( byElement && elem ) { j = 0; // Support: IE 11+, Edge 17 - 18+ // IE/Edge sometimes throw a "Permission denied" error when strict-comparing // two documents; shallow comparisons work. // eslint-disable-next-line eqeqeq if ( !context && elem.ownerDocument != document ) { setDocument( elem ); xml = !documentIsHTML; } while ( ( matcher = elementMatchers[ j++ ] ) ) { if ( matcher( elem, context || document, xml ) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } } // Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( ( elem = !matcher && elem ) ) { matchedCount--; } // Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } } // `i` is now the count of elements visited above, and adding it to `matchedCount` // makes the latter nonnegative. matchedCount += i; // Apply set filters to unmatched elements // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` // equals `i`), unless we didn't visit _any_ elements in the above loop because we have // no element matchers and no seed. // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that // case, which will result in a "00" `matchedCount` that differs from `i` but is also // numerically zero. if ( bySet && i !== matchedCount ) { j = 0; while ( ( matcher = setMatchers[ j++ ] ) ) { matcher( unmatched, setMatched, context, xml ); } if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !( unmatched[ i ] || setMatched[ i ] ) ) { setMatched[ i ] = pop.call( results ); } } } // Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); } // Add matches to results push.apply( results, setMatched ); // Seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) { Sizzle.uniqueSort( results ); } } // Override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; } return unmatched; }; return bySet ? markFunction( superMatcher ) : superMatcher; } compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ]; if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[ i ] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } } // Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); // Save selector and tokenization cached.selector = selector; } return cached; }; /** * A low-level selection function that works with Sizzle's compiled * selector functions * @param {String|Function} selector A selector or a pre-compiled * selector function built with Sizzle.compile * @param {Element} context * @param {Array} [results] * @param {Array} [seed] A set of elements to match against */ select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( ( selector = compiled.selector || selector ) ); results = results || []; // Try to minimize operations if there is only one selector in the list and no seed // (the latter of which guarantees us context) if ( match.length === 1 ) { // Reduce context if the leading compound selector is an ID tokens = match[ 0 ] = match[ 0 ].slice( 0 ); if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) { context = ( Expr.find[ "ID" ]( token.matches[ 0 ] .replace( runescape, funescape ), context ) || [] )[ 0 ]; if ( !context ) { return results; // Precompiled matchers will still verify ancestry, so step up a level } else if ( compiled ) { context = context.parentNode; } selector = selector.slice( tokens.shift().value.length ); } // Fetch a seed set for right-to-left matching i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[ i ]; // Abort if we hit a combinator if ( Expr.relative[ ( type = token.type ) ] ) { break; } if ( ( find = Expr.find[ type ] ) ) { // Search, expanding context for leading sibling combinators if ( ( seed = find( token.matches[ 0 ].replace( runescape, funescape ), rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) || context ) ) ) { // If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; } break; } } } } // Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, !context || rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; }; // One-time assignments // Sort stability support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando; // Support: Chrome 14-35+ // Always assume duplicates if they aren't passed to the comparison function support.detectDuplicates = !!hasDuplicate; // Initialize against the default document setDocument(); // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) // Detached nodes confoundingly follow *each other* support.sortDetached = assert( function( el ) { // Should return 1, but returns 4 (following) return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1; } ); // Support: IE<8 // Prevent attribute/property "interpolation" // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !assert( function( el ) { el.innerHTML = "<a href='#'></a>"; return el.firstChild.getAttribute( "href" ) === "#"; } ) ) { addHandle( "type|href|height|width", function( elem, name, isXML ) { if ( !isXML ) { return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); } } ); } // Support: IE<9 // Use defaultValue in place of getAttribute("value") if ( !support.attributes || !assert( function( el ) { el.innerHTML = "<input/>"; el.firstChild.setAttribute( "value", "" ); return el.firstChild.getAttribute( "value" ) === ""; } ) ) { addHandle( "value", function( elem, _name, isXML ) { if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { return elem.defaultValue; } } ); } // Support: IE<9 // Use getAttributeNode to fetch booleans when getAttribute lies if ( !assert( function( el ) { return el.getAttribute( "disabled" ) == null; } ) ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { return elem[ name ] === true ? name.toLowerCase() : ( val = elem.getAttributeNode( name ) ) && val.specified ? val.value : null; } } ); } return Sizzle; } )( window ); jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; // Deprecated jQuery.expr[ ":" ] = jQuery.expr.pseudos; jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains; jQuery.escapeSelector = Sizzle.escape; var dir = function( elem, dir, until ) { var matched = [], truncate = until !== undefined; while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; }; var siblings = function( n, elem ) { var matched = []; for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { matched.push( n ); } } return matched; }; var rneedsContext = jQuery.expr.match.needsContext; function nodeName( elem, name ) { return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); } var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); // Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { return !!qualifier.call( elem, i, elem ) !== not; } ); } // Single element if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; } ); } // Arraylike of elements (jQuery, arguments, Array) if ( typeof qualifier !== "string" ) { return jQuery.grep( elements, function( elem ) { return ( indexOf.call( qualifier, elem ) > -1 ) !== not; } ); } // Filtered directly for both simple and complex selectors return jQuery.filter( qualifier, elements, not ); } jQuery.filter = function( expr, elems, not ) { var elem = elems[ 0 ]; if ( not ) { expr = ":not(" + expr + ")"; } if ( elems.length === 1 && elem.nodeType === 1 ) { return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; } return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { return elem.nodeType === 1; } ) ); }; jQuery.fn.extend( { find: function( selector ) { var i, ret, len = this.length, self = this; if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter( function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } } ) ); } ret = this.pushStack( [] ); for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); } return len > 1 ? jQuery.uniqueSort( ret ) : ret; }, filter: function( selector ) { return this.pushStack( winnow( this, selector || [], false ) ); }, not: function( selector ) { return this.pushStack( winnow( this, selector || [], true ) ); }, is: function( selector ) { return !!winnow( this, // If this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } } ); // Initialize a jQuery object // A central reference to the root jQuery(document) var rootjQuery, // A simple way to check for HTML strings // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) // Shortcut simple #id case for speed rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, init = jQuery.fn.init = function( selector, context, root ) { var match, elem; // HANDLE: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; } // Method init() accepts an alternate rootjQuery // so migrate can support jQuery.sub (gh-2101) root = root || rootjQuery; // Handle HTML strings if ( typeof selector === "string" ) { if ( selector[ 0 ] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { // Assume that strings that start and end with <> are HTML and skip the regex check match = [ null, selector, null ]; } else { match = rquickExpr.exec( selector ); } // Match html or make sure no context is specified for #id if ( match && ( match[ 1 ] || !context ) ) { // HANDLE: $(html) -> $(array) if ( match[ 1 ] ) { context = context instanceof jQuery ? context[ 0 ] : context; // Option to run scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[ 1 ], context && context.nodeType ? context.ownerDocument || context : document, true ) ); // HANDLE: $(html, props) if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) { // Properties of context are called as methods if possible if ( isFunction( this[ match ] ) ) { this[ match ]( context[ match ] ); // ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } } return this; // HANDLE: $(#id) } else { elem = document.getElementById( match[ 2 ] ); if ( elem ) { // Inject the element directly into the jQuery object this[ 0 ] = elem; this.length = 1; } return this; } // HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || root ).find( selector ); // HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); } // HANDLE: $(DOMElement) } else if ( selector.nodeType ) { this[ 0 ] = selector; this.length = 1; return this; // HANDLE: $(function) // Shortcut for document ready } else if ( isFunction( selector ) ) { return root.ready !== undefined ? root.ready( selector ) : // Execute immediately if ready is not present selector( jQuery ); } return jQuery.makeArray( selector, this ); }; // Give the init function the jQuery prototype for later instantiation init.prototype = jQuery.fn; // Initialize central reference rootjQuery = jQuery( document ); var rparentsprev = /^(?:parents|prev(?:Until|All))/, // Methods guaranteed to produce a unique set when starting from a unique set guaranteedUnique = { children: true, contents: true, next: true, prev: true }; jQuery.fn.extend( { has: function( target ) { var targets = jQuery( target, this ), l = targets.length; return this.filter( function() { var i = 0; for ( ; i < l; i++ ) { if ( jQuery.contains( this, targets[ i ] ) ) { return true; } } } ); }, closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], targets = typeof selectors !== "string" && jQuery( selectors ); // Positional selectors never match, since there's no _selection_ context if ( !rneedsContext.test( selectors ) ) { for ( ; i < l; i++ ) { for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { // Always skip document fragments if ( cur.nodeType < 11 && ( targets ? targets.index( cur ) > -1 : // Don't pass non-elements to Sizzle cur.nodeType === 1 && jQuery.find.matchesSelector( cur, selectors ) ) ) { matched.push( cur ); break; } } } } return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); }, // Determine the position of an element within the set index: function( elem ) { // No argument, return index in parent if ( !elem ) { return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; } // Index in selector if ( typeof elem === "string" ) { return indexOf.call( jQuery( elem ), this[ 0 ] ); } // Locate the position of the desired element return indexOf.call( this, // If it receives a jQuery object, the first element is used elem.jquery ? elem[ 0 ] : elem ); }, add: function( selector, context ) { return this.pushStack( jQuery.uniqueSort( jQuery.merge( this.get(), jQuery( selector, context ) ) ) ); }, addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter( selector ) ); } } ); function sibling( cur, dir ) { while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} return cur; } jQuery.each( { parent: function( elem ) { var parent = elem.parentNode; return parent && parent.nodeType !== 11 ? parent : null; }, parents: function( elem ) { return dir( elem, "parentNode" ); }, parentsUntil: function( elem, _i, until ) { return dir( elem, "parentNode", until ); }, next: function( elem ) { return sibling( elem, "nextSibling" ); }, prev: function( elem ) { return sibling( elem, "previousSibling" ); }, nextAll: function( elem ) { return dir( elem, "nextSibling" ); }, prevAll: function( elem ) { return dir( elem, "previousSibling" ); }, nextUntil: function( elem, _i, until ) { return dir( elem, "nextSibling", until ); }, prevUntil: function( elem, _i, until ) { return dir( elem, "previousSibling", until ); }, siblings: function( elem ) { return siblings( ( elem.parentNode || {} ).firstChild, elem ); }, children: function( elem ) { return siblings( elem.firstChild ); }, contents: function( elem ) { if ( elem.contentDocument != null && // Support: IE 11+ // <object> elements with no `data` attribute has an object // `contentDocument` with a `null` prototype. getProto( elem.contentDocument ) ) { return elem.contentDocument; } // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only // Treat the template element as a regular one in browsers that // don't support it. if ( nodeName( elem, "template" ) ) { elem = elem.content || elem; } return jQuery.merge( [], elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var matched = jQuery.map( this, fn, until ); if ( name.slice( -5 ) !== "Until" ) { selector = until; } if ( selector && typeof selector === "string" ) { matched = jQuery.filter( selector, matched ); } if ( this.length > 1 ) { // Remove duplicates if ( !guaranteedUnique[ name ] ) { jQuery.uniqueSort( matched ); } // Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { matched.reverse(); } } return this.pushStack( matched ); }; } ); var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); // Convert String-formatted options into Object-formatted ones function createOptions( options ) { var object = {}; jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { object[ flag ] = true; } ); return object; } /* * Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */ jQuery.Callbacks = function( options ) { // Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? createOptions( options ) : jQuery.extend( {}, options ); var // Flag to know if list is currently firing firing, // Last fire value for non-forgettable lists memory, // Flag to know if list was already fired fired, // Flag to prevent firing locked, // Actual callback list list = [], // Queue of execution data for repeatable lists queue = [], // Index of currently firing callback (modified by add/remove as needed) firingIndex = -1, // Fire callbacks fire = function() { // Enforce single-firing locked = locked || options.once; // Execute callbacks for all pending executions, // respecting firingIndex overrides and runtime changes fired = firing = true; for ( ; queue.length; firingIndex = -1 ) { memory = queue.shift(); while ( ++firingIndex < list.length ) { // Run callback and check for early termination if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && options.stopOnFalse ) { // Jump to end and forget the data so .add doesn't re-fire firingIndex = list.length; memory = false; } } } // Forget the data if we're done with it if ( !options.memory ) { memory = false; } firing = false; // Clean up if we're done firing for good if ( locked ) { // Keep an empty list if we have data for future add calls if ( memory ) { list = []; // Otherwise, this object is spent } else { list = ""; } } }, // Actual Callbacks object self = { // Add a callback or a collection of callbacks to the list add: function() { if ( list ) { // If we have memory from a past run, we should fire after adding if ( memory && !firing ) { firingIndex = list.length - 1; queue.push( memory ); } ( function add( args ) { jQuery.each( args, function( _, arg ) { if ( isFunction( arg ) ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && toType( arg ) !== "string" ) { // Inspect recursively add( arg ); } } ); } )( arguments ); if ( memory && !firing ) { fire(); } } return this; }, // Remove a callback from the list remove: function() { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // Handle firing indexes if ( index <= firingIndex ) { firingIndex--; } } } ); return this; }, // Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : list.length > 0; }, // Remove all callbacks from the list empty: function() { if ( list ) { list = []; } return this; }, // Disable .fire and .add // Abort any current/pending executions // Clear all callbacks and values disable: function() { locked = queue = []; list = memory = ""; return this; }, disabled: function() { return !list; }, // Disable .fire // Also disable .add unless we have memory (since it would have no effect) // Abort any pending executions lock: function() { locked = queue = []; if ( !memory && !firing ) { list = memory = ""; } return this; }, locked: function() { return !!locked; }, // Call all callbacks with the given context and arguments fireWith: function( context, args ) { if ( !locked ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; queue.push( args ); if ( !firing ) { fire(); } } return this; }, // Call all the callbacks with the given arguments fire: function() { self.fireWith( this, arguments ); return this; }, // To know if the callbacks have already been called at least once fired: function() { return !!fired; } }; return self; }; function Identity( v ) { return v; } function Thrower( ex ) { throw ex; } function adoptValue( value, resolve, reject, noValue ) { var method; try { // Check for promise aspect first to privilege synchronous behavior if ( value && isFunction( ( method = value.promise ) ) ) { method.call( value ).done( resolve ).fail( reject ); // Other thenables } else if ( value && isFunction( ( method = value.then ) ) ) { method.call( value, resolve, reject ); // Other non-thenables } else { // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: // * false: [ value ].slice( 0 ) => resolve( value ) // * true: [ value ].slice( 1 ) => resolve() resolve.apply( undefined, [ value ].slice( noValue ) ); } // For Promises/A+, convert exceptions into rejections // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in // Deferred#then to conditionally suppress rejection. } catch ( value ) { // Support: Android 4.0 only // Strict mode functions invoked without .call/.apply get global-object context reject.apply( undefined, [ value ] ); } } jQuery.extend( { Deferred: function( func ) { var tuples = [ // action, add listener, callbacks, // ... .then handlers, argument index, [final state] [ "notify", "progress", jQuery.Callbacks( "memory" ), jQuery.Callbacks( "memory" ), 2 ], [ "resolve", "done", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 0, "resolved" ], [ "reject", "fail", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 1, "rejected" ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, "catch": function( fn ) { return promise.then( null, fn ); }, // Keep pipe for back-compat pipe: function( /* fnDone, fnFail, fnProgress */ ) { var fns = arguments; return jQuery.Deferred( function( newDefer ) { jQuery.each( tuples, function( _i, tuple ) { // Map tuples (progress, done, fail) to arguments (done, fail, progress) var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; // deferred.progress(function() { bind to newDefer or newDefer.notify }) // deferred.done(function() { bind to newDefer or newDefer.resolve }) // deferred.fail(function() { bind to newDefer or newDefer.reject }) deferred[ tuple[ 1 ] ]( function() { var returned = fn && fn.apply( this, arguments ); if ( returned && isFunction( returned.promise ) ) { returned.promise() .progress( newDefer.notify ) .done( newDefer.resolve ) .fail( newDefer.reject ); } else { newDefer[ tuple[ 0 ] + "With" ]( this, fn ? [ returned ] : arguments ); } } ); } ); fns = null; } ).promise(); }, then: function( onFulfilled, onRejected, onProgress ) { var maxDepth = 0; function resolve( depth, deferred, handler, special ) { return function() { var that = this, args = arguments, mightThrow = function() { var returned, then; // Support: Promises/A+ section 2.3.3.3.3 // https://promisesaplus.com/#point-59 // Ignore double-resolution attempts if ( depth < maxDepth ) { return; } returned = handler.apply( that, args ); // Support: Promises/A+ section 2.3.1 // https://promisesaplus.com/#point-48 if ( returned === deferred.promise() ) { throw new TypeError( "Thenable self-resolution" ); } // Support: Promises/A+ sections 2.3.3.1, 3.5 // https://promisesaplus.com/#point-54 // https://promisesaplus.com/#point-75 // Retrieve `then` only once then = returned && // Support: Promises/A+ section 2.3.4 // https://promisesaplus.com/#point-64 // Only check objects and functions for thenability ( typeof returned === "object" || typeof returned === "function" ) && returned.then; // Handle a returned thenable if ( isFunction( then ) ) { // Special processors (notify) just wait for resolution if ( special ) { then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ) ); // Normal processors (resolve) also hook into progress } else { // ...and disregard older resolution values maxDepth++; then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ), resolve( maxDepth, deferred, Identity, deferred.notifyWith ) ); } // Handle all other returned values } else { // Only substitute handlers pass on context // and multiple values (non-spec behavior) if ( handler !== Identity ) { that = undefined; args = [ returned ]; } // Process the value(s) // Default process is resolve ( special || deferred.resolveWith )( that, args ); } }, // Only normal processors (resolve) catch and reject exceptions process = special ? mightThrow : function() { try { mightThrow(); } catch ( e ) { if ( jQuery.Deferred.exceptionHook ) { jQuery.Deferred.exceptionHook( e, process.stackTrace ); } // Support: Promises/A+ section 2.3.3.3.4.1 // https://promisesaplus.com/#point-61 // Ignore post-resolution exceptions if ( depth + 1 >= maxDepth ) { // Only substitute handlers pass on context // and multiple values (non-spec behavior) if ( handler !== Thrower ) { that = undefined; args = [ e ]; } deferred.rejectWith( that, args ); } } }; // Support: Promises/A+ section 2.3.3.3.1 // https://promisesaplus.com/#point-57 // Re-resolve promises immediately to dodge false rejection from // subsequent errors if ( depth ) { process(); } else { // Call an optional hook to record the stack, in case of exception // since it's otherwise lost when execution goes async if ( jQuery.Deferred.getStackHook ) { process.stackTrace = jQuery.Deferred.getStackHook(); } window.setTimeout( process ); } }; } return jQuery.Deferred( function( newDefer ) { // progress_handlers.add( ... ) tuples[ 0 ][ 3 ].add( resolve( 0, newDefer, isFunction( onProgress ) ? onProgress : Identity, newDefer.notifyWith ) ); // fulfilled_handlers.add( ... ) tuples[ 1 ][ 3 ].add( resolve( 0, newDefer, isFunction( onFulfilled ) ? onFulfilled : Identity ) ); // rejected_handlers.add( ... ) tuples[ 2 ][ 3 ].add( resolve( 0, newDefer, isFunction( onRejected ) ? onRejected : Thrower ) ); } ).promise(); }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {}; // Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 5 ]; // promise.progress = list.add // promise.done = list.add // promise.fail = list.add promise[ tuple[ 1 ] ] = list.add; // Handle state if ( stateString ) { list.add( function() { // state = "resolved" (i.e., fulfilled) // state = "rejected" state = stateString; }, // rejected_callbacks.disable // fulfilled_callbacks.disable tuples[ 3 - i ][ 2 ].disable, // rejected_handlers.disable // fulfilled_handlers.disable tuples[ 3 - i ][ 3 ].disable, // progress_callbacks.lock tuples[ 0 ][ 2 ].lock, // progress_handlers.lock tuples[ 0 ][ 3 ].lock ); } // progress_handlers.fire // fulfilled_handlers.fire // rejected_handlers.fire list.add( tuple[ 3 ].fire ); // deferred.notify = function() { deferred.notifyWith(...) } // deferred.resolve = function() { deferred.resolveWith(...) } // deferred.reject = function() { deferred.rejectWith(...) } deferred[ tuple[ 0 ] ] = function() { deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); return this; }; // deferred.notifyWith = list.fireWith // deferred.resolveWith = list.fireWith // deferred.rejectWith = list.fireWith deferred[ tuple[ 0 ] + "With" ] = list.fireWith; } ); // Make the deferred a promise promise.promise( deferred ); // Call given func if any if ( func ) { func.call( deferred, deferred ); } // All done! return deferred; }, // Deferred helper when: function( singleValue ) { var // count of uncompleted subordinates remaining = arguments.length, // count of unprocessed arguments i = remaining, // subordinate fulfillment data resolveContexts = Array( i ), resolveValues = slice.call( arguments ), // the primary Deferred primary = jQuery.Deferred(), // subordinate callback factory updateFunc = function( i ) { return function( value ) { resolveContexts[ i ] = this; resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( !( --remaining ) ) { primary.resolveWith( resolveContexts, resolveValues ); } }; }; // Single- and empty arguments are adopted like Promise.resolve if ( remaining <= 1 ) { adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject, !remaining ); // Use .then() to unwrap secondary thenables (cf. gh-3000) if ( primary.state() === "pending" || isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { return primary.then(); } } // Multiple arguments are aggregated like Promise.all array elements while ( i-- ) { adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject ); } return primary.promise(); } } ); // These usually indicate a programmer mistake during development, // warn about them ASAP rather than swallowing them by default. var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; jQuery.Deferred.exceptionHook = function( error, stack ) { // Support: IE 8 - 9 only // Console exists when dev tools are open, which can happen at any time if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); } }; jQuery.readyException = function( error ) { window.setTimeout( function() { throw error; } ); }; // The deferred used on DOM ready var readyList = jQuery.Deferred(); jQuery.fn.ready = function( fn ) { readyList .then( fn ) // Wrap jQuery.readyException in a function so that the lookup // happens at the time of error handling instead of callback // registration. .catch( function( error ) { jQuery.readyException( error ); } ); return this; }; jQuery.extend( { // Is the DOM ready to be used? Set to true once it occurs. isReady: false, // A counter to track how many items to wait for before // the ready event fires. See #6781 readyWait: 1, // Handle when the DOM is ready ready: function( wait ) { // Abort if there are pending holds or we're already ready if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; } // Remember that the DOM is ready jQuery.isReady = true; // If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; } // If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] ); } } ); jQuery.ready.then = readyList.then; // The ready event handler and self cleanup method function completed() { document.removeEventListener( "DOMContentLoaded", completed ); window.removeEventListener( "load", completed ); jQuery.ready(); } // Catch cases where $(document).ready() is called // after the browser event has already occurred. // Support: IE <=9 - 10 only // Older IE sometimes signals "interactive" too soon if ( document.readyState === "complete" || ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { // Handle it asynchronously to allow scripts the opportunity to delay ready window.setTimeout( jQuery.ready ); } else { // Use the handy event callback document.addEventListener( "DOMContentLoaded", completed ); // A fallback to window.onload, that will always work window.addEventListener( "load", completed ); } // Multifunctional method to get and set values of a collection // The value/s can optionally be executed if it's a function var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { var i = 0, len = elems.length, bulk = key == null; // Sets many values if ( toType( key ) === "object" ) { chainable = true; for ( i in key ) { access( elems, fn, i, key[ i ], true, emptyGet, raw ); } // Sets one value } else if ( value !== undefined ) { chainable = true; if ( !isFunction( value ) ) { raw = true; } if ( bulk ) { // Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null; // ...except when executing function values } else { bulk = fn; fn = function( elem, _key, value ) { return bulk.call( jQuery( elem ), value ); }; } } if ( fn ) { for ( ; i < len; i++ ) { fn( elems[ i ], key, raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) ) ); } } } if ( chainable ) { return elems; } // Gets if ( bulk ) { return fn.call( elems ); } return len ? fn( elems[ 0 ], key ) : emptyGet; }; // Matches dashed string for camelizing var rmsPrefix = /^-ms-/, rdashAlpha = /-([a-z])/g; // Used by camelCase as callback to replace() function fcamelCase( _all, letter ) { return letter.toUpperCase(); } // Convert dashed to camelCase; used by the css and data modules // Support: IE <=9 - 11, Edge 12 - 15 // Microsoft forgot to hump their vendor prefix (#9572) function camelCase( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); } var acceptData = function( owner ) { // Accepts only: // - Node // - Node.ELEMENT_NODE // - Node.DOCUMENT_NODE // - Object // - Any return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); }; function Data() { this.expando = jQuery.expando + Data.uid++; } Data.uid = 1; Data.prototype = { cache: function( owner ) { // Check if the owner object already has a cache var value = owner[ this.expando ]; // If not, create one if ( !value ) { value = {}; // We can accept data for non-element nodes in modern browsers, // but we should not, see #8335. // Always return an empty object. if ( acceptData( owner ) ) { // If it is a node unlikely to be stringify-ed or looped over // use plain assignment if ( owner.nodeType ) { owner[ this.expando ] = value; // Otherwise secure it in a non-enumerable property // configurable must be true to allow the property to be // deleted when data is removed } else { Object.defineProperty( owner, this.expando, { value: value, configurable: true } ); } } } return value; }, set: function( owner, data, value ) { var prop, cache = this.cache( owner ); // Handle: [ owner, key, value ] args // Always use camelCase key (gh-2257) if ( typeof data === "string" ) { cache[ camelCase( data ) ] = value; // Handle: [ owner, { properties } ] args } else { // Copy the properties one-by-one to the cache object for ( prop in data ) { cache[ camelCase( prop ) ] = data[ prop ]; } } return cache; }, get: function( owner, key ) { return key === undefined ? this.cache( owner ) : // Always use camelCase key (gh-2257) owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; }, access: function( owner, key, value ) { // In cases where either: // // 1. No key was specified // 2. A string key was specified, but no value provided // // Take the "read" path and allow the get method to determine // which value to return, respectively either: // // 1. The entire cache object // 2. The data stored at the key // if ( key === undefined || ( ( key && typeof key === "string" ) && value === undefined ) ) { return this.get( owner, key ); } // When the key is not a string, or both a key and value // are specified, set or extend (existing objects) with either: // // 1. An object of properties // 2. A key and value // this.set( owner, key, value ); // Since the "set" path can have two possible entry points // return the expected data based on which path was taken[*] return value !== undefined ? value : key; }, remove: function( owner, key ) { var i, cache = owner[ this.expando ]; if ( cache === undefined ) { return; } if ( key !== undefined ) { // Support array or space separated string of keys if ( Array.isArray( key ) ) { // If key is an array of keys... // We always set camelCase keys, so remove that. key = key.map( camelCase ); } else { key = camelCase( key ); // If a key with the spaces exists, use it. // Otherwise, create an array by matching non-whitespace key = key in cache ? [ key ] : ( key.match( rnothtmlwhite ) || [] ); } i = key.length; while ( i-- ) { delete cache[ key[ i ] ]; } } // Remove the expando if there's no more data if ( key === undefined || jQuery.isEmptyObject( cache ) ) { // Support: Chrome <=35 - 45 // Webkit & Blink performance suffers when deleting properties // from DOM nodes, so set to undefined instead // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) if ( owner.nodeType ) { owner[ this.expando ] = undefined; } else { delete owner[ this.expando ]; } } }, hasData: function( owner ) { var cache = owner[ this.expando ]; return cache !== undefined && !jQuery.isEmptyObject( cache ); } }; var dataPriv = new Data(); var dataUser = new Data(); // Implementation Summary // // 1. Enforce API surface and semantic compatibility with 1.9.x branch // 2. Improve the module's maintainability by reducing the storage // paths to a single mechanism. // 3. Use the same single mechanism to support "private" and "user" data. // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) // 5. Avoid exposing implementation details on user objects (eg. expando properties) // 6. Provide a clear path for implementation upgrade to WeakMap in 2014 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /[A-Z]/g; function getData( data ) { if ( data === "true" ) { return true; } if ( data === "false" ) { return false; } if ( data === "null" ) { return null; } // Only convert to a number if it doesn't change the string if ( data === +data + "" ) { return +data; } if ( rbrace.test( data ) ) { return JSON.parse( data ); } return data; } function dataAttr( elem, key, data ) { var name; // If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) { name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); data = elem.getAttribute( name ); if ( typeof data === "string" ) { try { data = getData( data ); } catch ( e ) {} // Make sure we set the data so it isn't changed later dataUser.set( elem, key, data ); } else { data = undefined; } } return data; } jQuery.extend( { hasData: function( elem ) { return dataUser.hasData( elem ) || dataPriv.hasData( elem ); }, data: function( elem, name, data ) { return dataUser.access( elem, name, data ); }, removeData: function( elem, name ) { dataUser.remove( elem, name ); }, // TODO: Now that all calls to _data and _removeData have been replaced // with direct calls to dataPriv methods, these can be deprecated. _data: function( elem, name, data ) { return dataPriv.access( elem, name, data ); }, _removeData: function( elem, name ) { dataPriv.remove( elem, name ); } } ); jQuery.fn.extend( { data: function( key, value ) { var i, name, data, elem = this[ 0 ], attrs = elem && elem.attributes; // Gets all values if ( key === undefined ) { if ( this.length ) { data = dataUser.get( elem ); if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { i = attrs.length; while ( i-- ) { // Support: IE 11 only // The attrs elements can be null (#14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { name = camelCase( name.slice( 5 ) ); dataAttr( elem, name, data[ name ] ); } } } dataPriv.set( elem, "hasDataAttrs", true ); } } return data; } // Sets multiple values if ( typeof key === "object" ) { return this.each( function() { dataUser.set( this, key ); } ); } return access( this, function( value ) { var data; // The calling jQuery object (element matches) is not empty // (and therefore has an element appears at this[ 0 ]) and the // `value` parameter was not undefined. An empty jQuery object // will result in `undefined` for elem = this[ 0 ] which will // throw an exception if an attempt to read a data cache is made. if ( elem && value === undefined ) { // Attempt to get data from the cache // The key will always be camelCased in Data data = dataUser.get( elem, key ); if ( data !== undefined ) { return data; } // Attempt to "discover" the data in // HTML5 custom data-* attrs data = dataAttr( elem, key ); if ( data !== undefined ) { return data; } // We tried really hard, but the data doesn't exist. return; } // Set the data... this.each( function() { // We always store the camelCased key dataUser.set( this, key, value ); } ); }, null, value, arguments.length > 1, null, true ); }, removeData: function( key ) { return this.each( function() { dataUser.remove( this, key ); } ); } } ); jQuery.extend( { queue: function( elem, type, data ) { var queue; if ( elem ) { type = ( type || "fx" ) + "queue"; queue = dataPriv.get( elem, type ); // Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || Array.isArray( data ) ) { queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); } else { queue.push( data ); } } return queue || []; } }, dequeue: function( elem, type ) { type = type || "fx"; var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); }; // If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; } if ( fn ) { // Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); } // Clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); } if ( !startLength && hooks ) { hooks.empty.fire(); } }, // Not public - generate a queueHooks object, or return the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { empty: jQuery.Callbacks( "once memory" ).add( function() { dataPriv.remove( elem, [ type + "queue", key ] ); } ) } ); } } ); jQuery.fn.extend( { queue: function( type, data ) { var setter = 2; if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; } if ( arguments.length < setter ) { return jQuery.queue( this[ 0 ], type ); } return data === undefined ? this : this.each( function() { var queue = jQuery.queue( this, type, data ); // Ensure a hooks for this queue jQuery._queueHooks( this, type ); if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { jQuery.dequeue( this, type ); } } ); }, dequeue: function( type ) { return this.each( function() { jQuery.dequeue( this, type ); } ); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); }, // Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } }; if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx"; while ( i-- ) { tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } } ); var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; var documentElement = document.documentElement; var isAttached = function( elem ) { return jQuery.contains( elem.ownerDocument, elem ); }, composed = { composed: true }; // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only // Check attachment across shadow DOM boundaries when possible (gh-3504) // Support: iOS 10.0-10.2 only // Early iOS 10 versions support `attachShadow` but not `getRootNode`, // leading to errors. We need to check for `getRootNode`. if ( documentElement.getRootNode ) { isAttached = function( elem ) { return jQuery.contains( elem.ownerDocument, elem ) || elem.getRootNode( composed ) === elem.ownerDocument; }; } var isHiddenWithinTree = function( elem, el ) { // isHiddenWithinTree might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem; // Inline style trumps all return elem.style.display === "none" || elem.style.display === "" && // Otherwise, check computed style // Support: Firefox <=43 - 45 // Disconnected elements can have computed display: none, so first confirm that elem is // in the document. isAttached( elem ) && jQuery.css( elem, "display" ) === "none"; }; function adjustCSS( elem, prop, valueParts, tween ) { var adjusted, scale, maxIterations = 20, currentValue = tween ? function() { return tween.cur(); } : function() { return jQuery.css( elem, prop, "" ); }, initial = currentValue(), unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), // Starting value computation is required for potential unit mismatches initialInUnit = elem.nodeType && ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && rcssNum.exec( jQuery.css( elem, prop ) ); if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { // Support: Firefox <=54 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) initial = initial / 2; // Trust units reported by jQuery.css unit = unit || initialInUnit[ 3 ]; // Iteratively approximate from a nonzero starting point initialInUnit = +initial || 1; while ( maxIterations-- ) { // Evaluate and update our best guess (doubling guesses that zero out). // Finish if the scale equals or crosses 1 (making the old*new product non-positive). jQuery.style( elem, prop, initialInUnit + unit ); if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { maxIterations = 0; } initialInUnit = initialInUnit / scale; } initialInUnit = initialInUnit * 2; jQuery.style( elem, prop, initialInUnit + unit ); // Make sure we update the tween properties later on valueParts = valueParts || []; } if ( valueParts ) { initialInUnit = +initialInUnit || +initial || 0; // Apply relative offset (+=/-=) if specified adjusted = valueParts[ 1 ] ? initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : +valueParts[ 2 ]; if ( tween ) { tween.unit = unit; tween.start = initialInUnit; tween.end = adjusted; } } return adjusted; } var defaultDisplayMap = {}; function getDefaultDisplay( elem ) { var temp, doc = elem.ownerDocument, nodeName = elem.nodeName, display = defaultDisplayMap[ nodeName ]; if ( display ) { return display; } temp = doc.body.appendChild( doc.createElement( nodeName ) ); display = jQuery.css( temp, "display" ); temp.parentNode.removeChild( temp ); if ( display === "none" ) { display = "block"; } defaultDisplayMap[ nodeName ] = display; return display; } function showHide( elements, show ) { var display, elem, values = [], index = 0, length = elements.length; // Determine new display value for elements that need to change for ( ; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; } display = elem.style.display; if ( show ) { // Since we force visibility upon cascade-hidden elements, an immediate (and slow) // check is required in this first loop unless we have a nonempty display value (either // inline or about-to-be-restored) if ( display === "none" ) { values[ index ] = dataPriv.get( elem, "display" ) || null; if ( !values[ index ] ) { elem.style.display = ""; } } if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { values[ index ] = getDefaultDisplay( elem ); } } else { if ( display !== "none" ) { values[ index ] = "none"; // Remember what we're overwriting dataPriv.set( elem, "display", display ); } } } // Set the display of the elements in a second loop to avoid constant reflow for ( index = 0; index < length; index++ ) { if ( values[ index ] != null ) { elements[ index ].style.display = values[ index ]; } } return elements; } jQuery.fn.extend( { show: function() { return showHide( this, true ); }, hide: function() { return showHide( this ); }, toggle: function( state ) { if ( typeof state === "boolean" ) { return state ? this.show() : this.hide(); } return this.each( function() { if ( isHiddenWithinTree( this ) ) { jQuery( this ).show(); } else { jQuery( this ).hide(); } } ); } } ); var rcheckableType = ( /^(?:checkbox|radio)$/i ); var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); ( function() { var fragment = document.createDocumentFragment(), div = fragment.appendChild( document.createElement( "div" ) ), input = document.createElement( "input" ); // Support: Android 4.0 - 4.3 only // Check state lost if the name is set (#11217) // Support: Windows Web Apps (WWA) // `name` and `type` must use .setAttribute for WWA (#14901) input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" ); div.appendChild( input ); // Support: Android <=4.1 only // Older WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; // Support: IE <=11 only // Make sure textarea (and checkbox) defaultValue is properly cloned div.innerHTML = "<textarea>x</textarea>"; support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; // Support: IE <=9 only // IE <=9 replaces <option> tags with their contents when inserted outside of // the select element. div.innerHTML = "<option></option>"; support.option = !!div.lastChild; } )(); // We have to close these tags to support XHTML (#13200) var wrapMap = { // XHTML parsers do not magically insert elements in the // same way that tag soup parsers do. So we cannot shorten // this by omitting <tbody> or other required elements. thead: [ 1, "<table>", "</table>" ], col: [ 2, "<table><colgroup>", "</colgroup></table>" ], tr: [ 2, "<table><tbody>", "</tbody></table>" ], td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ], _default: [ 0, "", "" ] }; wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td; // Support: IE <=9 only if ( !support.option ) { wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ]; } function getAll( context, tag ) { // Support: IE <=9 - 11 only // Use typeof to avoid zero-argument method invocation on host objects (#15151) var ret; if ( typeof context.getElementsByTagName !== "undefined" ) { ret = context.getElementsByTagName( tag || "*" ); } else if ( typeof context.querySelectorAll !== "undefined" ) { ret = context.querySelectorAll( tag || "*" ); } else { ret = []; } if ( tag === undefined || tag && nodeName( context, tag ) ) { return jQuery.merge( [ context ], ret ); } return ret; } // Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { var i = 0, l = elems.length; for ( ; i < l; i++ ) { dataPriv.set( elems[ i ], "globalEval", !refElements || dataPriv.get( refElements[ i ], "globalEval" ) ); } } var rhtml = /<|&#?\w+;/; function buildFragment( elems, context, scripts, selection, ignored ) { var elem, tmp, tag, wrap, attached, j, fragment = context.createDocumentFragment(), nodes = [], i = 0, l = elems.length; for ( ; i < l; i++ ) { elem = elems[ i ]; if ( elem || elem === 0 ) { // Add nodes directly if ( toType( elem ) === "object" ) { // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); // Convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) ); // Convert html into DOM nodes } else { tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); // Deserialize a standard representation tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default; tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; // Descend through wrappers to the right content j = wrap[ 0 ]; while ( j-- ) { tmp = tmp.lastChild; } // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, tmp.childNodes ); // Remember the top-level container tmp = fragment.firstChild; // Ensure the created nodes are orphaned (#12392) tmp.textContent = ""; } } } // Remove wrapper from fragment fragment.textContent = ""; i = 0; while ( ( elem = nodes[ i++ ] ) ) { // Skip elements already in the context collection (trac-4087) if ( selection && jQuery.inArray( elem, selection ) > -1 ) { if ( ignored ) { ignored.push( elem ); } continue; } attached = isAttached( elem ); // Append to fragment tmp = getAll( fragment.appendChild( elem ), "script" ); // Preserve script evaluation history if ( attached ) { setGlobalEval( tmp ); } // Capture executables if ( scripts ) { j = 0; while ( ( elem = tmp[ j++ ] ) ) { if ( rscriptType.test( elem.type || "" ) ) { scripts.push( elem ); } } } } return fragment; } var rtypenamespace = /^([^.]*)(?:\.(.+)|)/; function returnTrue() { return true; } function returnFalse() { return false; } // Support: IE <=9 - 11+ // focus() and blur() are asynchronous, except when they are no-op. // So expect focus to be synchronous when the element is already active, // and blur to be synchronous when the element is not already active. // (focus and blur are always synchronous in other supported browsers, // this just defines when we can count on it). function expectSync( elem, type ) { return ( elem === safeActiveElement() ) === ( type === "focus" ); } // Support: IE <=9 only // Accessing document.activeElement can throw unexpectedly // https://bugs.jquery.com/ticket/13393 function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } } function on( elem, types, selector, data, fn, one ) { var origFn, type; // Types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-Object, selector, data ) if ( typeof selector !== "string" ) { // ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { on( elem, type, selector, data, types[ type ], one ); } return elem; } if ( data == null && fn == null ) { // ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) { // ( types, selector, fn ) fn = data; data = undefined; } else { // ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return elem; } if ( one === 1 ) { origFn = fn; fn = function( event ) { // Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); }; // Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return elem.each( function() { jQuery.event.add( this, types, fn, data, selector ); } ); } /* * Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */ jQuery.event = { global: {}, add: function( elem, types, handler, data, selector ) { var handleObjIn, eventHandle, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.get( elem ); // Only attach events to objects that accept data if ( !acceptData( elem ) ) { return; } // Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; } // Ensure that invalid selectors throw exceptions at attach time // Evaluate against documentElement in case elem is a non-element node (e.g., document) if ( selector ) { jQuery.find.matchesSelector( documentElement, selector ); } // Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; } // Init the element's event structure and main handler, if this is the first if ( !( events = elemData.events ) ) { events = elemData.events = Object.create( null ); } if ( !( eventHandle = elemData.handle ) ) { eventHandle = elemData.handle = function( e ) { // Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? jQuery.event.dispatch.apply( elem, arguments ) : undefined; }; } // Handle multiple events separated by a space types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); // There *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; } // If event changes its type, use the special event handlers for the changed type special = jQuery.event.special[ type ] || {}; // If selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegateType : special.bindType ) || type; // Update special based on newly reset type special = jQuery.event.special[ type ] || {}; // handleObj is passed to all event handlers handleObj = jQuery.extend( { type: type, origType: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join( "." ) }, handleObjIn ); // Init the event handler queue if we're the first if ( !( handlers = events[ type ] ) ) { handlers = events[ type ] = []; handlers.delegateCount = 0; // Only use addEventListener if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle ); } } } if ( special.add ) { special.add.call( elem, handleObj ); if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } } // Add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); } // Keep track of which events have ever been used, for event optimization jQuery.event.global[ type ] = true; } }, // Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) { var j, origCount, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); if ( !elemData || !( events = elemData.events ) ) { return; } // Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); // Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; } special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[ 2 ] && new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); // Remove matching events origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ]; if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 ); if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } } // Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { jQuery.removeEvent( elem, type, elemData.handle ); } delete events[ type ]; } } // Remove data and the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { dataPriv.remove( elem, "handle events" ); } }, dispatch: function( nativeEvent ) { var i, j, ret, matched, handleObj, handlerQueue, args = new Array( arguments.length ), // Make a writable jQuery.Event from the native event object event = jQuery.event.fix( nativeEvent ), handlers = ( dataPriv.get( this, "events" ) || Object.create( null ) )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {}; // Use the fix-ed jQuery.Event rather than the (read-only) native event args[ 0 ] = event; for ( i = 1; i < arguments.length; i++ ) { args[ i ] = arguments[ i ]; } event.delegateTarget = this; // Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; } // Determine handlers handlerQueue = jQuery.event.handlers.call( this, event, handlers ); // Run delegates first; they may want to stop propagation beneath us i = 0; while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem; j = 0; while ( ( handleObj = matched.handlers[ j++ ] ) && !event.isImmediatePropagationStopped() ) { // If the event is namespaced, then each handler is only invoked if it is // specially universal or its namespaces are a superset of the event's. if ( !event.rnamespace || handleObj.namespace === false || event.rnamespace.test( handleObj.namespace ) ) { event.handleObj = handleObj; event.data = handleObj.data; ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || handleObj.handler ).apply( matched.elem, args ); if ( ret !== undefined ) { if ( ( event.result = ret ) === false ) { event.preventDefault(); event.stopPropagation(); } } } } } // Call the postDispatch hook for the mapped type if ( special.postDispatch ) { special.postDispatch.call( this, event ); } return event.result; }, handlers: function( event, handlers ) { var i, handleObj, sel, matchedHandlers, matchedSelectors, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target; // Find delegate handlers if ( delegateCount && // Support: IE <=9 // Black-hole SVG <use> instance trees (trac-13180) cur.nodeType && // Support: Firefox <=42 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click // Support: IE 11 only // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) !( event.type === "click" && event.button >= 1 ) ) { for ( ; cur !== this; cur = cur.parentNode || this ) { // Don't check non-elements (#13208) // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { matchedHandlers = []; matchedSelectors = {}; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ]; // Don't conflict with Object.prototype properties (#13203) sel = handleObj.selector + " "; if ( matchedSelectors[ sel ] === undefined ) { matchedSelectors[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) > -1 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matchedSelectors[ sel ] ) { matchedHandlers.push( handleObj ); } } if ( matchedHandlers.length ) { handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); } } } } // Add the remaining (directly-bound) handlers cur = this; if ( delegateCount < handlers.length ) { handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); } return handlerQueue; }, addProp: function( name, hook ) { Object.defineProperty( jQuery.Event.prototype, name, { enumerable: true, configurable: true, get: isFunction( hook ) ? function() { if ( this.originalEvent ) { return hook( this.originalEvent ); } } : function() { if ( this.originalEvent ) { return this.originalEvent[ name ]; } }, set: function( value ) { Object.defineProperty( this, name, { enumerable: true, configurable: true, writable: true, value: value } ); } } ); }, fix: function( originalEvent ) { return originalEvent[ jQuery.expando ] ? originalEvent : new jQuery.Event( originalEvent ); }, special: { load: { // Prevent triggered image.load events from bubbling to window.load noBubble: true }, click: { // Utilize native event to ensure correct state for checkable inputs setup: function( data ) { // For mutual compressibility with _default, replace `this` access with a local var. // `|| data` is dead code meant only to preserve the variable through minification. var el = this || data; // Claim the first handler if ( rcheckableType.test( el.type ) && el.click && nodeName( el, "input" ) ) { // dataPriv.set( el, "click", ... ) leverageNative( el, "click", returnTrue ); } // Return false to allow normal processing in the caller return false; }, trigger: function( data ) { // For mutual compressibility with _default, replace `this` access with a local var. // `|| data` is dead code meant only to preserve the variable through minification. var el = this || data; // Force setup before triggering a click if ( rcheckableType.test( el.type ) && el.click && nodeName( el, "input" ) ) { leverageNative( el, "click" ); } // Return non-false to allow normal event-path propagation return true; }, // For cross-browser consistency, suppress native .click() on links // Also prevent it if we're currently inside a leveraged native-event stack _default: function( event ) { var target = event.target; return rcheckableType.test( target.type ) && target.click && nodeName( target, "input" ) && dataPriv.get( target, "click" ) || nodeName( target, "a" ); } }, beforeunload: { postDispatch: function( event ) { // Support: Firefox 20+ // Firefox doesn't alert if the returnValue field is not set. if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } } }; // Ensure the presence of an event listener that handles manually-triggered // synthetic events by interrupting progress until reinvoked in response to // *native* events that it fires directly, ensuring that state changes have // already occurred before other listeners are invoked. function leverageNative( el, type, expectSync ) { // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add if ( !expectSync ) { if ( dataPriv.get( el, type ) === undefined ) { jQuery.event.add( el, type, returnTrue ); } return; } // Register the controller as a special universal handler for all event namespaces dataPriv.set( el, type, false ); jQuery.event.add( el, type, { namespace: false, handler: function( event ) { var notAsync, result, saved = dataPriv.get( this, type ); if ( ( event.isTrigger & 1 ) && this[ type ] ) { // Interrupt processing of the outer synthetic .trigger()ed event // Saved data should be false in such cases, but might be a leftover capture object // from an async native handler (gh-4350) if ( !saved.length ) { // Store arguments for use when handling the inner native event // There will always be at least one argument (an event object), so this array // will not be confused with a leftover capture object. saved = slice.call( arguments ); dataPriv.set( this, type, saved ); // Trigger the native event and capture its result // Support: IE <=9 - 11+ // focus() and blur() are asynchronous notAsync = expectSync( this, type ); this[ type ](); result = dataPriv.get( this, type ); if ( saved !== result || notAsync ) { dataPriv.set( this, type, false ); } else { result = {}; } if ( saved !== result ) { // Cancel the outer synthetic event event.stopImmediatePropagation(); event.preventDefault(); // Support: Chrome 86+ // In Chrome, if an element having a focusout handler is blurred by // clicking outside of it, it invokes the handler synchronously. If // that handler calls `.remove()` on the element, the data is cleared, // leaving `result` undefined. We need to guard against this. return result && result.value; } // If this is an inner synthetic event for an event with a bubbling surrogate // (focus or blur), assume that the surrogate already propagated from triggering the // native event and prevent that from happening again here. // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the // bubbling surrogate propagates *after* the non-bubbling base), but that seems // less bad than duplication. } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) { event.stopPropagation(); } // If this is a native event triggered above, everything is now in order // Fire an inner synthetic event with the original arguments } else if ( saved.length ) { // ...and capture the result dataPriv.set( this, type, { value: jQuery.event.trigger( // Support: IE <=9 - 11+ // Extend with the prototype to reset the above stopImmediatePropagation() jQuery.extend( saved[ 0 ], jQuery.Event.prototype ), saved.slice( 1 ), this ) } ); // Abort handling of the native event event.stopImmediatePropagation(); } } } ); } jQuery.removeEvent = function( elem, type, handle ) { // This "if" is needed for plain objects if ( elem.removeEventListener ) { elem.removeEventListener( type, handle ); } }; jQuery.Event = function( src, props ) { // Allow instantiation without the 'new' keyword if ( !( this instanceof jQuery.Event ) ) { return new jQuery.Event( src, props ); } // Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type; // Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && // Support: Android <=2.3 only src.returnValue === false ? returnTrue : returnFalse; // Create target properties // Support: Safari <=6 - 7 only // Target should not be a text node (#504, #13143) this.target = ( src.target && src.target.nodeType === 3 ) ? src.target.parentNode : src.target; this.currentTarget = src.currentTarget; this.relatedTarget = src.relatedTarget; // Event type } else { this.type = src; } // Put explicitly provided properties onto the event object if ( props ) { jQuery.extend( this, props ); } // Create a timestamp if incoming event doesn't have one this.timeStamp = src && src.timeStamp || Date.now(); // Mark it as fixed this[ jQuery.expando ] = true; }; // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { constructor: jQuery.Event, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse, isSimulated: false, preventDefault: function() { var e = this.originalEvent; this.isDefaultPrevented = returnTrue; if ( e && !this.isSimulated ) { e.preventDefault(); } }, stopPropagation: function() { var e = this.originalEvent; this.isPropagationStopped = returnTrue; if ( e && !this.isSimulated ) { e.stopPropagation(); } }, stopImmediatePropagation: function() { var e = this.originalEvent; this.isImmediatePropagationStopped = returnTrue; if ( e && !this.isSimulated ) { e.stopImmediatePropagation(); } this.stopPropagation(); } }; // Includes all common event props including KeyEvent and MouseEvent specific props jQuery.each( { altKey: true, bubbles: true, cancelable: true, changedTouches: true, ctrlKey: true, detail: true, eventPhase: true, metaKey: true, pageX: true, pageY: true, shiftKey: true, view: true, "char": true, code: true, charCode: true, key: true, keyCode: true, button: true, buttons: true, clientX: true, clientY: true, offsetX: true, offsetY: true, pointerId: true, pointerType: true, screenX: true, screenY: true, targetTouches: true, toElement: true, touches: true, which: true }, jQuery.event.addProp ); jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) { jQuery.event.special[ type ] = { // Utilize native event if possible so blur/focus sequence is correct setup: function() { // Claim the first handler // dataPriv.set( this, "focus", ... ) // dataPriv.set( this, "blur", ... ) leverageNative( this, type, expectSync ); // Return false to allow normal processing in the caller return false; }, trigger: function() { // Force setup before trigger leverageNative( this, type ); // Return non-false to allow normal event-path propagation return true; }, // Suppress native focus or blur as it's already being fired // in leverageNative. _default: function() { return true; }, delegateType: delegateType }; } ); // Create mouseenter/leave events using mouseover/out and event-time checks // so that event delegation works in jQuery. // Do the same for pointerenter/pointerleave and pointerover/pointerout // // Support: Safari 7 only // Safari sends mouseenter too often; see: // https://bugs.chromium.org/p/chromium/issues/detail?id=470258 // for the description of the bug (it existed in older Chrome versions as well). jQuery.each( { mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix, handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj; // For mouseenter/leave call the handler if related is outside the target. // NB: No relatedTarget if the mouse left/entered the browser window if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; } ); jQuery.fn.extend( { on: function( types, selector, data, fn ) { return on( this, types, selector, data, fn ); }, one: function( types, selector, data, fn ) { return on( this, types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) { // ( event ) dispatched jQuery.Event handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) { // ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) { // ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each( function() { jQuery.event.remove( this, types, fn, selector ); } ); } } ); var // Support: IE <=10 - 11, Edge 12 - 13 only // In IE/Edge using regex groups here causes severe slowdowns. // See https://connect.microsoft.com/IE/feedback/details/1736512/ rnoInnerhtml = /<script|<style|<link/i, // checked="checked" or checked rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g; // Prefer a tbody over its parent table for containing new rows function manipulationTarget( elem, content ) { if ( nodeName( elem, "table" ) && nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { return jQuery( elem ).children( "tbody" )[ 0 ] || elem; } return elem; } // Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; return elem; } function restoreScript( elem ) { if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { elem.type = elem.type.slice( 5 ); } else { elem.removeAttribute( "type" ); } return elem; } function cloneCopyEvent( src, dest ) { var i, l, type, pdataOld, udataOld, udataCur, events; if ( dest.nodeType !== 1 ) { return; } // 1. Copy private data: events, handlers, etc. if ( dataPriv.hasData( src ) ) { pdataOld = dataPriv.get( src ); events = pdataOld.events; if ( events ) { dataPriv.remove( dest, "handle events" ); for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } } } // 2. Copy user data if ( dataUser.hasData( src ) ) { udataOld = dataUser.access( src ); udataCur = jQuery.extend( {}, udataOld ); dataUser.set( dest, udataCur ); } } // Fix IE bugs, see support tests function fixInput( src, dest ) { var nodeName = dest.nodeName.toLowerCase(); // Fails to persist the checked state of a cloned checkbox or radio button. if ( nodeName === "input" && rcheckableType.test( src.type ) ) { dest.checked = src.checked; // Fails to return the selected option to the default selected state when cloning options } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } } function domManip( collection, args, callback, ignored ) { // Flatten any nested arrays args = flat( args ); var fragment, first, scripts, hasScripts, node, doc, i = 0, l = collection.length, iNoClone = l - 1, value = args[ 0 ], valueIsFunction = isFunction( value ); // We can't cloneNode fragments that contain checked, in WebKit if ( valueIsFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return collection.each( function( index ) { var self = collection.eq( index ); if ( valueIsFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } domManip( self, args, callback, ignored ); } ); } if ( l ) { fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); first = fragment.firstChild; if ( fragment.childNodes.length === 1 ) { fragment = first; } // Require either new content or an interest in ignored elements to invoke the callback if ( first || ignored ) { scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length; // Use the original fragment for the last item // instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment; if ( i !== iNoClone ) { node = jQuery.clone( node, true, true ); // Keep references to cloned scripts for later restoration if ( hasScripts ) { // Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( scripts, getAll( node, "script" ) ); } } callback.call( collection[ i ], node, i ); } if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument; // Reenable scripts jQuery.map( scripts, restoreScript ); // Evaluate executable scripts on first document insertion for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && !dataPriv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) { if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { // Optional AJAX dependency, but won't run scripts if not present if ( jQuery._evalUrl && !node.noModule ) { jQuery._evalUrl( node.src, { nonce: node.nonce || node.getAttribute( "nonce" ) }, doc ); } } else { DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc ); } } } } } } return collection; } function remove( elem, selector, keepData ) { var node, nodes = selector ? jQuery.filter( selector, elem ) : elem, i = 0; for ( ; ( node = nodes[ i ] ) != null; i++ ) { if ( !keepData && node.nodeType === 1 ) { jQuery.cleanData( getAll( node ) ); } if ( node.parentNode ) { if ( keepData && isAttached( node ) ) { setGlobalEval( getAll( node, "script" ) ); } node.parentNode.removeChild( node ); } } return elem; } jQuery.extend( { htmlPrefilter: function( html ) { return html; }, clone: function( elem, dataAndEvents, deepDataAndEvents ) { var i, l, srcElements, destElements, clone = elem.cloneNode( true ), inPage = isAttached( elem ); // Fix IE cloning issues if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) { // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem ); for ( i = 0, l = srcElements.length; i < l; i++ ) { fixInput( srcElements[ i ], destElements[ i ] ); } } // Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone ); for ( i = 0, l = srcElements.length; i < l; i++ ) { cloneCopyEvent( srcElements[ i ], destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); } } // Preserve script evaluation history destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); } // Return the cloned set return clone; }, cleanData: function( elems ) { var data, elem, type, special = jQuery.event.special, i = 0; for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { if ( acceptData( elem ) ) { if ( ( data = elem[ dataPriv.expando ] ) ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type ); // This is a shortcut to avoid jQuery.event.remove's overhead } else { jQuery.removeEvent( elem, type, data.handle ); } } } // Support: Chrome <=35 - 45+ // Assign undefined instead of using delete, see Data#remove elem[ dataPriv.expando ] = undefined; } if ( elem[ dataUser.expando ] ) { // Support: Chrome <=35 - 45+ // Assign undefined instead of using delete, see Data#remove elem[ dataUser.expando ] = undefined; } } } } } ); jQuery.fn.extend( { detach: function( selector ) { return remove( this, selector, true ); }, remove: function( selector ) { return remove( this, selector ); }, text: function( value ) { return access( this, function( value ) { return value === undefined ? jQuery.text( this ) : this.empty().each( function() { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { this.textContent = value; } } ); }, null, value, arguments.length ); }, append: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.appendChild( elem ); } } ); }, prepend: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.insertBefore( elem, target.firstChild ); } } ); }, before: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this ); } } ); }, after: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this.nextSibling ); } } ); }, empty: function() { var elem, i = 0; for ( ; ( elem = this[ i ] ) != null; i++ ) { if ( elem.nodeType === 1 ) { // Prevent memory leaks jQuery.cleanData( getAll( elem, false ) ); // Remove any remaining nodes elem.textContent = ""; } } return this; }, clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? false : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; return this.map( function() { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); } ); }, html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length; if ( value === undefined && elem.nodeType === 1 ) { return elem.innerHTML; } // See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { value = jQuery.htmlPrefilter( value ); try { for ( ; i < l; i++ ) { elem = this[ i ] || {}; // Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; } } elem = 0; // If using innerHTML throws an exception, use the fallback method } catch ( e ) {} } if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); }, replaceWith: function() { var ignored = []; // Make the changes, replacing each non-ignored context element with the new content return domManip( this, arguments, function( elem ) { var parent = this.parentNode; if ( jQuery.inArray( this, ignored ) < 0 ) { jQuery.cleanData( getAll( this ) ); if ( parent ) { parent.replaceChild( elem, this ); } } // Force callback invocation }, ignored ); } } ); jQuery.each( { appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, ret = [], insert = jQuery( selector ), last = insert.length - 1, i = 0; for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems ); // Support: Android <=4.0 only, PhantomJS 1 only // .get() because push.apply(_, arraylike) throws on ancient WebKit push.apply( ret, elems.get() ); } return this.pushStack( ret ); }; } ); var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); var getStyles = function( elem ) { // Support: IE <=11 only, Firefox <=30 (#15098, #14150) // IE throws on elements created in popups // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" var view = elem.ownerDocument.defaultView; if ( !view || !view.opener ) { view = window; } return view.getComputedStyle( elem ); }; var swap = function( elem, options, callback ) { var ret, name, old = {}; // Remember the old values, and insert the new ones for ( name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; } ret = callback.call( elem ); // Revert the old values for ( name in options ) { elem.style[ name ] = old[ name ]; } return ret; }; var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" ); ( function() { // Executing both pixelPosition & boxSizingReliable tests require only one layout // so they're executed at the same time to save the second computation. function computeStyleTests() { // This is a singleton, we need to execute it only once if ( !div ) { return; } container.style.cssText = "position:absolute;left:-11111px;width:60px;" + "margin-top:1px;padding:0;border:0"; div.style.cssText = "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + "margin:auto;border:1px;padding:1px;" + "width:60%;top:1%"; documentElement.appendChild( container ).appendChild( div ); var divStyle = window.getComputedStyle( div ); pixelPositionVal = divStyle.top !== "1%"; // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12; // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 // Some styles come back with percentage values, even though they shouldn't div.style.right = "60%"; pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36; // Support: IE 9 - 11 only // Detect misreporting of content dimensions for box-sizing:border-box elements boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36; // Support: IE 9 only // Detect overflow:scroll screwiness (gh-3699) // Support: Chrome <=64 // Don't get tricked when zoom affects offsetWidth (gh-4029) div.style.position = "absolute"; scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12; documentElement.removeChild( container ); // Nullify the div so it wouldn't be stored in the memory and // it will also be a sign that checks already performed div = null; } function roundPixelMeasures( measure ) { return Math.round( parseFloat( measure ) ); } var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, reliableTrDimensionsVal, reliableMarginLeftVal, container = document.createElement( "div" ), div = document.createElement( "div" ); // Finish early in limited (non-browser) environments if ( !div.style ) { return; } // Support: IE <=9 - 11 only // Style of cloned element affects source element cloned (#8908) div.style.backgroundClip = "content-box"; div.cloneNode( true ).style.backgroundClip = ""; support.clearCloneStyle = div.style.backgroundClip === "content-box"; jQuery.extend( support, { boxSizingReliable: function() { computeStyleTests(); return boxSizingReliableVal; }, pixelBoxStyles: function() { computeStyleTests(); return pixelBoxStylesVal; }, pixelPosition: function() { computeStyleTests(); return pixelPositionVal; }, reliableMarginLeft: function() { computeStyleTests(); return reliableMarginLeftVal; }, scrollboxSize: function() { computeStyleTests(); return scrollboxSizeVal; }, // Support: IE 9 - 11+, Edge 15 - 18+ // IE/Edge misreport `getComputedStyle` of table rows with width/height // set in CSS while `offset*` properties report correct values. // Behavior in IE 9 is more subtle than in newer versions & it passes // some versions of this test; make sure not to make it pass there! // // Support: Firefox 70+ // Only Firefox includes border widths // in computed dimensions. (gh-4529) reliableTrDimensions: function() { var table, tr, trChild, trStyle; if ( reliableTrDimensionsVal == null ) { table = document.createElement( "table" ); tr = document.createElement( "tr" ); trChild = document.createElement( "div" ); table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate"; tr.style.cssText = "border:1px solid"; // Support: Chrome 86+ // Height set through cssText does not get applied. // Computed height then comes back as 0. tr.style.height = "1px"; trChild.style.height = "9px"; // Support: Android 8 Chrome 86+ // In our bodyBackground.html iframe, // display for all div elements is set to "inline", // which causes a problem only in Android 8 Chrome 86. // Ensuring the div is display: block // gets around this issue. trChild.style.display = "block"; documentElement .appendChild( table ) .appendChild( tr ) .appendChild( trChild ); trStyle = window.getComputedStyle( tr ); reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) + parseInt( trStyle.borderTopWidth, 10 ) + parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight; documentElement.removeChild( table ); } return reliableTrDimensionsVal; } } ); } )(); function curCSS( elem, name, computed ) { var width, minWidth, maxWidth, ret, // Support: Firefox 51+ // Retrieving style before computed somehow // fixes an issue with getting wrong values // on detached elements style = elem.style; computed = computed || getStyles( elem ); // getPropertyValue is needed for: // .css('filter') (IE 9 only, #12537) // .css('--customProperty) (#3144) if ( computed ) { ret = computed.getPropertyValue( name ) || computed[ name ]; if ( ret === "" && !isAttached( elem ) ) { ret = jQuery.style( elem, name ); } // A tribute to the "awesome hack by Dean Edwards" // Android Browser returns percentage for some values, // but width seems to be reliably pixels. // This is against the CSSOM draft spec: // https://drafts.csswg.org/cssom/#resolved-values if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) { // Remember the original values width = style.width; minWidth = style.minWidth; maxWidth = style.maxWidth; // Put in the new values to get a computed value out style.minWidth = style.maxWidth = style.width = ret; ret = computed.width; // Revert the changed values style.width = width; style.minWidth = minWidth; style.maxWidth = maxWidth; } } return ret !== undefined ? // Support: IE <=9 - 11 only // IE returns zIndex value as an integer. ret + "" : ret; } function addGetHookIf( conditionFn, hookFn ) { // Define the hook, we'll check on the first run if it's really needed. return { get: function() { if ( conditionFn() ) { // Hook not needed (or it's not possible to use it due // to missing dependency), remove it. delete this.get; return; } // Hook needed; redefine it so that the support test is not executed again. return ( this.get = hookFn ).apply( this, arguments ); } }; } var cssPrefixes = [ "Webkit", "Moz", "ms" ], emptyStyle = document.createElement( "div" ).style, vendorProps = {}; // Return a vendor-prefixed property or undefined function vendorPropName( name ) { // Check for vendor prefixed names var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), i = cssPrefixes.length; while ( i-- ) { name = cssPrefixes[ i ] + capName; if ( name in emptyStyle ) { return name; } } } // Return a potentially-mapped jQuery.cssProps or vendor prefixed property function finalPropName( name ) { var final = jQuery.cssProps[ name ] || vendorProps[ name ]; if ( final ) { return final; } if ( name in emptyStyle ) { return name; } return vendorProps[ name ] = vendorPropName( name ) || name; } var // Swappable if display is none or starts with table // except "table", "table-cell", or "table-caption" // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display rdisplayswap = /^(none|table(?!-c[ea]).+)/, rcustomProp = /^--/, cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssNormalTransform = { letterSpacing: "0", fontWeight: "400" }; function setPositiveNumber( _elem, value, subtract ) { // Any relative (+/-) values have already been // normalized at this point var matches = rcssNum.exec( value ); return matches ? // Guard against undefined "subtract", e.g., when used as in cssHooks Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : value; } function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { var i = dimension === "width" ? 1 : 0, extra = 0, delta = 0; // Adjustment may not be necessary if ( box === ( isBorderBox ? "border" : "content" ) ) { return 0; } for ( ; i < 4; i += 2 ) { // Both box models exclude margin if ( box === "margin" ) { delta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); } // If we get here with a content-box, we're seeking "padding" or "border" or "margin" if ( !isBorderBox ) { // Add padding delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); // For "border" or "margin", add border if ( box !== "padding" ) { delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); // But still keep track of it otherwise } else { extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } // If we get here with a border-box (content + padding + border), we're seeking "content" or // "padding" or "margin" } else { // For "content", subtract padding if ( box === "content" ) { delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); } // For "content" or "padding", subtract border if ( box !== "margin" ) { delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } } // Account for positive content-box scroll gutter when requested by providing computedVal if ( !isBorderBox && computedVal >= 0 ) { // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border // Assuming integer scroll gutter, subtract the rest and round down delta += Math.max( 0, Math.ceil( elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - computedVal - delta - extra - 0.5 // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter // Use an explicit zero to avoid NaN (gh-3964) ) ) || 0; } return delta; } function getWidthOrHeight( elem, dimension, extra ) { // Start with computed style var styles = getStyles( elem ), // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322). // Fake content-box until we know it's needed to know the true value. boxSizingNeeded = !support.boxSizingReliable() || extra, isBorderBox = boxSizingNeeded && jQuery.css( elem, "boxSizing", false, styles ) === "border-box", valueIsBorderBox = isBorderBox, val = curCSS( elem, dimension, styles ), offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ); // Support: Firefox <=54 // Return a confounding non-pixel value or feign ignorance, as appropriate. if ( rnumnonpx.test( val ) ) { if ( !extra ) { return val; } val = "auto"; } // Support: IE 9 - 11 only // Use offsetWidth/offsetHeight for when box sizing is unreliable. // In those cases, the computed value can be trusted to be border-box. if ( ( !support.boxSizingReliable() && isBorderBox || // Support: IE 10 - 11+, Edge 15 - 18+ // IE/Edge misreport `getComputedStyle` of table rows with width/height // set in CSS while `offset*` properties report correct values. // Interestingly, in some cases IE 9 doesn't suffer from this issue. !support.reliableTrDimensions() && nodeName( elem, "tr" ) || // Fall back to offsetWidth/offsetHeight when value is "auto" // This happens for inline elements with no explicit setting (gh-3571) val === "auto" || // Support: Android <=4.1 - 4.3 only // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) && // Make sure the element is visible & connected elem.getClientRects().length ) { isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; // Where available, offsetWidth/offsetHeight approximate border box dimensions. // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the // retrieved value as a content box dimension. valueIsBorderBox = offsetProp in elem; if ( valueIsBorderBox ) { val = elem[ offsetProp ]; } } // Normalize "" and auto val = parseFloat( val ) || 0; // Adjust for the element's box model return ( val + boxModelAdjustment( elem, dimension, extra || ( isBorderBox ? "border" : "content" ), valueIsBorderBox, styles, // Provide the current computed size to request scroll gutter calculation (gh-3589) val ) ) + "px"; } jQuery.extend( { // Add in style property hooks for overriding the default // behavior of getting and setting a style property cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) { // We should always get a number back from opacity var ret = curCSS( elem, "opacity" ); return ret === "" ? "1" : ret; } } } }, // Don't automatically add "px" to these possibly-unitless properties cssNumber: { "animationIterationCount": true, "columnCount": true, "fillOpacity": true, "flexGrow": true, "flexShrink": true, "fontWeight": true, "gridArea": true, "gridColumn": true, "gridColumnEnd": true, "gridColumnStart": true, "gridRow": true, "gridRowEnd": true, "gridRowStart": true, "lineHeight": true, "opacity": true, "order": true, "orphans": true, "widows": true, "zIndex": true, "zoom": true }, // Add in properties whose names you wish to fix before // setting or getting the value cssProps: {}, // Get and set the style property on a DOM Node style: function( elem, name, value, extra ) { // Don't set styles on text and comment nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { return; } // Make sure that we're working with the right name var ret, type, hooks, origName = camelCase( name ), isCustomProp = rcustomProp.test( name ), style = elem.style; // Make sure that we're working with the right name. We don't // want to query the value if it is a CSS custom property // since they are user-defined. if ( !isCustomProp ) { name = finalPropName( origName ); } // Gets hook for the prefixed version, then unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; // Check if we're setting a value if ( value !== undefined ) { type = typeof value; // Convert "+=" or "-=" to relative numbers (#7345) if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { value = adjustCSS( elem, name, ret ); // Fixes bug #9237 type = "number"; } // Make sure that null and NaN values aren't set (#7116) if ( value == null || value !== value ) { return; } // If a number was passed in, add the unit (except for certain CSS properties) // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append // "px" to a few hardcoded values. if ( type === "number" && !isCustomProp ) { value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); } // background-* props affect original clone's values if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { style[ name ] = "inherit"; } // If a hook was provided, use that value, otherwise just set the specified value if ( !hooks || !( "set" in hooks ) || ( value = hooks.set( elem, value, extra ) ) !== undefined ) { if ( isCustomProp ) { style.setProperty( name, value ); } else { style[ name ] = value; } } } else { // If a hook was provided get the non-computed value from there if ( hooks && "get" in hooks && ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { return ret; } // Otherwise just get the value from the style object return style[ name ]; } }, css: function( elem, name, extra, styles ) { var val, num, hooks, origName = camelCase( name ), isCustomProp = rcustomProp.test( name ); // Make sure that we're working with the right name. We don't // want to modify the value if it is a CSS custom property // since they are user-defined. if ( !isCustomProp ) { name = finalPropName( origName ); } // Try prefixed name followed by the unprefixed name hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; // If a hook was provided get the computed value from there if ( hooks && "get" in hooks ) { val = hooks.get( elem, true, extra ); } // Otherwise, if a way to get the computed value exists, use that if ( val === undefined ) { val = curCSS( elem, name, styles ); } // Convert "normal" to computed value if ( val === "normal" && name in cssNormalTransform ) { val = cssNormalTransform[ name ]; } // Make numeric if forced or a qualifier was provided and val looks numeric if ( extra === "" || extra ) { num = parseFloat( val ); return extra === true || isFinite( num ) ? num || 0 : val; } return val; } } ); jQuery.each( [ "height", "width" ], function( _i, dimension ) { jQuery.cssHooks[ dimension ] = { get: function( elem, computed, extra ) { if ( computed ) { // Certain elements can have dimension info if we invisibly show them // but it must have a current display style that would benefit return rdisplayswap.test( jQuery.css( elem, "display" ) ) && // Support: Safari 8+ // Table columns in Safari have non-zero offsetWidth & zero // getBoundingClientRect().width unless display is changed. // Support: IE <=11 only // Running getBoundingClientRect on a disconnected node // in IE throws an error. ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? swap( elem, cssShow, function() { return getWidthOrHeight( elem, dimension, extra ); } ) : getWidthOrHeight( elem, dimension, extra ); } }, set: function( elem, value, extra ) { var matches, styles = getStyles( elem ), // Only read styles.position if the test has a chance to fail // to avoid forcing a reflow. scrollboxSizeBuggy = !support.scrollboxSize() && styles.position === "absolute", // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991) boxSizingNeeded = scrollboxSizeBuggy || extra, isBorderBox = boxSizingNeeded && jQuery.css( elem, "boxSizing", false, styles ) === "border-box", subtract = extra ? boxModelAdjustment( elem, dimension, extra, isBorderBox, styles ) : 0; // Account for unreliable border-box dimensions by comparing offset* to computed and // faking a content-box to get border and padding (gh-3699) if ( isBorderBox && scrollboxSizeBuggy ) { subtract -= Math.ceil( elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - parseFloat( styles[ dimension ] ) - boxModelAdjustment( elem, dimension, "border", false, styles ) - 0.5 ); } // Convert to pixels if value adjustment is needed if ( subtract && ( matches = rcssNum.exec( value ) ) && ( matches[ 3 ] || "px" ) !== "px" ) { elem.style[ dimension ] = value; value = jQuery.css( elem, dimension ); } return setPositiveNumber( elem, value, subtract ); } }; } ); jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, function( elem, computed ) { if ( computed ) { return ( parseFloat( curCSS( elem, "marginLeft" ) ) || elem.getBoundingClientRect().left - swap( elem, { marginLeft: 0 }, function() { return elem.getBoundingClientRect().left; } ) ) + "px"; } } ); // These hooks are used by animate to expand properties jQuery.each( { margin: "", padding: "", border: "Width" }, function( prefix, suffix ) { jQuery.cssHooks[ prefix + suffix ] = { expand: function( value ) { var i = 0, expanded = {}, // Assumes a single number if not a string parts = typeof value === "string" ? value.split( " " ) : [ value ]; for ( ; i < 4; i++ ) { expanded[ prefix + cssExpand[ i ] + suffix ] = parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; } return expanded; } }; if ( prefix !== "margin" ) { jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; } } ); jQuery.fn.extend( { css: function( name, value ) { return access( this, function( elem, name, value ) { var styles, len, map = {}, i = 0; if ( Array.isArray( name ) ) { styles = getStyles( elem ); len = name.length; for ( ; i < len; i++ ) { map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); } return map; } return value !== undefined ? jQuery.style( elem, name, value ) : jQuery.css( elem, name ); }, name, value, arguments.length > 1 ); } } ); function Tween( elem, options, prop, end, easing ) { return new Tween.prototype.init( elem, options, prop, end, easing ); } jQuery.Tween = Tween; Tween.prototype = { constructor: Tween, init: function( elem, options, prop, end, easing, unit ) { this.elem = elem; this.prop = prop; this.easing = easing || jQuery.easing._default; this.options = options; this.start = this.now = this.cur(); this.end = end; this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); }, cur: function() { var hooks = Tween.propHooks[ this.prop ]; return hooks && hooks.get ? hooks.get( this ) : Tween.propHooks._default.get( this ); }, run: function( percent ) { var eased, hooks = Tween.propHooks[ this.prop ]; if ( this.options.duration ) { this.pos = eased = jQuery.easing[ this.easing ]( percent, this.options.duration * percent, 0, 1, this.options.duration ); } else { this.pos = eased = percent; } this.now = ( this.end - this.start ) * eased + this.start; if ( this.options.step ) { this.options.step.call( this.elem, this.now, this ); } if ( hooks && hooks.set ) { hooks.set( this ); } else { Tween.propHooks._default.set( this ); } return this; } }; Tween.prototype.init.prototype = Tween.prototype; Tween.propHooks = { _default: { get: function( tween ) { var result; // Use a property on the element directly when it is not a DOM element, // or when there is no matching style property that exists. if ( tween.elem.nodeType !== 1 || tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { return tween.elem[ tween.prop ]; } // Passing an empty string as a 3rd parameter to .css will automatically // attempt a parseFloat and fallback to a string if the parse fails. // Simple values such as "10px" are parsed to Float; // complex values such as "rotate(1rad)" are returned as-is. result = jQuery.css( tween.elem, tween.prop, "" ); // Empty strings, null, undefined and "auto" are converted to 0. return !result || result === "auto" ? 0 : result; }, set: function( tween ) { // Use step hook for back compat. // Use cssHook if its there. // Use .style if available and use plain properties where available. if ( jQuery.fx.step[ tween.prop ] ) { jQuery.fx.step[ tween.prop ]( tween ); } else if ( tween.elem.nodeType === 1 && ( jQuery.cssHooks[ tween.prop ] || tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) { jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); } else { tween.elem[ tween.prop ] = tween.now; } } } }; // Support: IE <=9 only // Panic based approach to setting things on disconnected nodes Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { set: function( tween ) { if ( tween.elem.nodeType && tween.elem.parentNode ) { tween.elem[ tween.prop ] = tween.now; } } }; jQuery.easing = { linear: function( p ) { return p; }, swing: function( p ) { return 0.5 - Math.cos( p * Math.PI ) / 2; }, _default: "swing" }; jQuery.fx = Tween.prototype.init; // Back compat <1.8 extension point jQuery.fx.step = {}; var fxNow, inProgress, rfxtypes = /^(?:toggle|show|hide)$/, rrun = /queueHooks$/; function schedule() { if ( inProgress ) { if ( document.hidden === false && window.requestAnimationFrame ) { window.requestAnimationFrame( schedule ); } else { window.setTimeout( schedule, jQuery.fx.interval ); } jQuery.fx.tick(); } } // Animations created synchronously will run synchronously function createFxNow() { window.setTimeout( function() { fxNow = undefined; } ); return ( fxNow = Date.now() ); } // Generate parameters to create a standard animation function genFx( type, includeWidth ) { var which, i = 0, attrs = { height: type }; // If we include width, step value is 1 to do all cssExpand values, // otherwise step value is 2 to skip over Left and Right includeWidth = includeWidth ? 1 : 0; for ( ; i < 4; i += 2 - includeWidth ) { which = cssExpand[ i ]; attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; } if ( includeWidth ) { attrs.opacity = attrs.width = type; } return attrs; } function createTween( value, prop, animation ) { var tween, collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), index = 0, length = collection.length; for ( ; index < length; index++ ) { if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { // We're done with this property return tween; } } } function defaultPrefilter( elem, props, opts ) { var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, isBox = "width" in props || "height" in props, anim = this, orig = {}, style = elem.style, hidden = elem.nodeType && isHiddenWithinTree( elem ), dataShow = dataPriv.get( elem, "fxshow" ); // Queue-skipping animations hijack the fx hooks if ( !opts.queue ) { hooks = jQuery._queueHooks( elem, "fx" ); if ( hooks.unqueued == null ) { hooks.unqueued = 0; oldfire = hooks.empty.fire; hooks.empty.fire = function() { if ( !hooks.unqueued ) { oldfire(); } }; } hooks.unqueued++; anim.always( function() { // Ensure the complete handler is called before this completes anim.always( function() { hooks.unqueued--; if ( !jQuery.queue( elem, "fx" ).length ) { hooks.empty.fire(); } } ); } ); } // Detect show/hide animations for ( prop in props ) { value = props[ prop ]; if ( rfxtypes.test( value ) ) { delete props[ prop ]; toggle = toggle || value === "toggle"; if ( value === ( hidden ? "hide" : "show" ) ) { // Pretend to be hidden if this is a "show" and // there is still data from a stopped show/hide if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { hidden = true; // Ignore all other no-op show/hide data } else { continue; } } orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); } } // Bail out if this is a no-op like .hide().hide() propTween = !jQuery.isEmptyObject( props ); if ( !propTween && jQuery.isEmptyObject( orig ) ) { return; } // Restrict "overflow" and "display" styles during box animations if ( isBox && elem.nodeType === 1 ) { // Support: IE <=9 - 11, Edge 12 - 15 // Record all 3 overflow attributes because IE does not infer the shorthand // from identically-valued overflowX and overflowY and Edge just mirrors // the overflowX value there. opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; // Identify a display type, preferring old show/hide data over the CSS cascade restoreDisplay = dataShow && dataShow.display; if ( restoreDisplay == null ) { restoreDisplay = dataPriv.get( elem, "display" ); } display = jQuery.css( elem, "display" ); if ( display === "none" ) { if ( restoreDisplay ) { display = restoreDisplay; } else { // Get nonempty value(s) by temporarily forcing visibility showHide( [ elem ], true ); restoreDisplay = elem.style.display || restoreDisplay; display = jQuery.css( elem, "display" ); showHide( [ elem ] ); } } // Animate inline elements as inline-block if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { if ( jQuery.css( elem, "float" ) === "none" ) { // Restore the original display value at the end of pure show/hide animations if ( !propTween ) { anim.done( function() { style.display = restoreDisplay; } ); if ( restoreDisplay == null ) { display = style.display; restoreDisplay = display === "none" ? "" : display; } } style.display = "inline-block"; } } } if ( opts.overflow ) { style.overflow = "hidden"; anim.always( function() { style.overflow = opts.overflow[ 0 ]; style.overflowX = opts.overflow[ 1 ]; style.overflowY = opts.overflow[ 2 ]; } ); } // Implement show/hide animations propTween = false; for ( prop in orig ) { // General show/hide setup for this element animation if ( !propTween ) { if ( dataShow ) { if ( "hidden" in dataShow ) { hidden = dataShow.hidden; } } else { dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); } // Store hidden/visible for toggle so `.stop().toggle()` "reverses" if ( toggle ) { dataShow.hidden = !hidden; } // Show elements before animating them if ( hidden ) { showHide( [ elem ], true ); } /* eslint-disable no-loop-func */ anim.done( function() { /* eslint-enable no-loop-func */ // The final step of a "hide" animation is actually hiding the element if ( !hidden ) { showHide( [ elem ] ); } dataPriv.remove( elem, "fxshow" ); for ( prop in orig ) { jQuery.style( elem, prop, orig[ prop ] ); } } ); } // Per-property setup propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); if ( !( prop in dataShow ) ) { dataShow[ prop ] = propTween.start; if ( hidden ) { propTween.end = propTween.start; propTween.start = 0; } } } } function propFilter( props, specialEasing ) { var index, name, easing, value, hooks; // camelCase, specialEasing and expand cssHook pass for ( index in props ) { name = camelCase( index ); easing = specialEasing[ name ]; value = props[ index ]; if ( Array.isArray( value ) ) { easing = value[ 1 ]; value = props[ index ] = value[ 0 ]; } if ( index !== name ) { props[ name ] = value; delete props[ index ]; } hooks = jQuery.cssHooks[ name ]; if ( hooks && "expand" in hooks ) { value = hooks.expand( value ); delete props[ name ]; // Not quite $.extend, this won't overwrite existing keys. // Reusing 'index' because we have the correct "name" for ( index in value ) { if ( !( index in props ) ) { props[ index ] = value[ index ]; specialEasing[ index ] = easing; } } } else { specialEasing[ name ] = easing; } } } function Animation( elem, properties, options ) { var result, stopped, index = 0, length = Animation.prefilters.length, deferred = jQuery.Deferred().always( function() { // Don't match elem in the :animated selector delete tick.elem; } ), tick = function() { if ( stopped ) { return false; } var currentTime = fxNow || createFxNow(), remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), // Support: Android 2.3 only // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) temp = remaining / animation.duration || 0, percent = 1 - temp, index = 0, length = animation.tweens.length; for ( ; index < length; index++ ) { animation.tweens[ index ].run( percent ); } deferred.notifyWith( elem, [ animation, percent, remaining ] ); // If there's more to do, yield if ( percent < 1 && length ) { return remaining; } // If this was an empty animation, synthesize a final progress notification if ( !length ) { deferred.notifyWith( elem, [ animation, 1, 0 ] ); } // Resolve the animation and report its conclusion deferred.resolveWith( elem, [ animation ] ); return false; }, animation = deferred.promise( { elem: elem, props: jQuery.extend( {}, properties ), opts: jQuery.extend( true, { specialEasing: {}, easing: jQuery.easing._default }, options ), originalProperties: properties, originalOptions: options, startTime: fxNow || createFxNow(), duration: options.duration, tweens: [], createTween: function( prop, end ) { var tween = jQuery.Tween( elem, animation.opts, prop, end, animation.opts.specialEasing[ prop ] || animation.opts.easing ); animation.tweens.push( tween ); return tween; }, stop: function( gotoEnd ) { var index = 0, // If we are going to the end, we want to run all the tweens // otherwise we skip this part length = gotoEnd ? animation.tweens.length : 0; if ( stopped ) { return this; } stopped = true; for ( ; index < length; index++ ) { animation.tweens[ index ].run( 1 ); } // Resolve when we played the last frame; otherwise, reject if ( gotoEnd ) { deferred.notifyWith( elem, [ animation, 1, 0 ] ); deferred.resolveWith( elem, [ animation, gotoEnd ] ); } else { deferred.rejectWith( elem, [ animation, gotoEnd ] ); } return this; } } ), props = animation.props; propFilter( props, animation.opts.specialEasing ); for ( ; index < length; index++ ) { result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); if ( result ) { if ( isFunction( result.stop ) ) { jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = result.stop.bind( result ); } return result; } } jQuery.map( props, createTween, animation ); if ( isFunction( animation.opts.start ) ) { animation.opts.start.call( elem, animation ); } // Attach callbacks from options animation .progress( animation.opts.progress ) .done( animation.opts.done, animation.opts.complete ) .fail( animation.opts.fail ) .always( animation.opts.always ); jQuery.fx.timer( jQuery.extend( tick, { elem: elem, anim: animation, queue: animation.opts.queue } ) ); return animation; } jQuery.Animation = jQuery.extend( Animation, { tweeners: { "*": [ function( prop, value ) { var tween = this.createTween( prop, value ); adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); return tween; } ] }, tweener: function( props, callback ) { if ( isFunction( props ) ) { callback = props; props = [ "*" ]; } else { props = props.match( rnothtmlwhite ); } var prop, index = 0, length = props.length; for ( ; index < length; index++ ) { prop = props[ index ]; Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; Animation.tweeners[ prop ].unshift( callback ); } }, prefilters: [ defaultPrefilter ], prefilter: function( callback, prepend ) { if ( prepend ) { Animation.prefilters.unshift( callback ); } else { Animation.prefilters.push( callback ); } } } ); jQuery.speed = function( speed, easing, fn ) { var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { complete: fn || !fn && easing || isFunction( speed ) && speed, duration: speed, easing: fn && easing || easing && !isFunction( easing ) && easing }; // Go to the end state if fx are off if ( jQuery.fx.off ) { opt.duration = 0; } else { if ( typeof opt.duration !== "number" ) { if ( opt.duration in jQuery.fx.speeds ) { opt.duration = jQuery.fx.speeds[ opt.duration ]; } else { opt.duration = jQuery.fx.speeds._default; } } } // Normalize opt.queue - true/undefined/null -> "fx" if ( opt.queue == null || opt.queue === true ) { opt.queue = "fx"; } // Queueing opt.old = opt.complete; opt.complete = function() { if ( isFunction( opt.old ) ) { opt.old.call( this ); } if ( opt.queue ) { jQuery.dequeue( this, opt.queue ); } }; return opt; }; jQuery.fn.extend( { fadeTo: function( speed, to, easing, callback ) { // Show any hidden elements after setting opacity to 0 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() // Animate to the value specified .end().animate( { opacity: to }, speed, easing, callback ); }, animate: function( prop, speed, easing, callback ) { var empty = jQuery.isEmptyObject( prop ), optall = jQuery.speed( speed, easing, callback ), doAnimation = function() { // Operate on a copy of prop so per-property easing won't be lost var anim = Animation( this, jQuery.extend( {}, prop ), optall ); // Empty animations, or finishing resolves immediately if ( empty || dataPriv.get( this, "finish" ) ) { anim.stop( true ); } }; doAnimation.finish = doAnimation; return empty || optall.queue === false ? this.each( doAnimation ) : this.queue( optall.queue, doAnimation ); }, stop: function( type, clearQueue, gotoEnd ) { var stopQueue = function( hooks ) { var stop = hooks.stop; delete hooks.stop; stop( gotoEnd ); }; if ( typeof type !== "string" ) { gotoEnd = clearQueue; clearQueue = type; type = undefined; } if ( clearQueue ) { this.queue( type || "fx", [] ); } return this.each( function() { var dequeue = true, index = type != null && type + "queueHooks", timers = jQuery.timers, data = dataPriv.get( this ); if ( index ) { if ( data[ index ] && data[ index ].stop ) { stopQueue( data[ index ] ); } } else { for ( index in data ) { if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { stopQueue( data[ index ] ); } } } for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && ( type == null || timers[ index ].queue === type ) ) { timers[ index ].anim.stop( gotoEnd ); dequeue = false; timers.splice( index, 1 ); } } // Start the next in the queue if the last step wasn't forced. // Timers currently will call their complete callbacks, which // will dequeue but only if they were gotoEnd. if ( dequeue || !gotoEnd ) { jQuery.dequeue( this, type ); } } ); }, finish: function( type ) { if ( type !== false ) { type = type || "fx"; } return this.each( function() { var index, data = dataPriv.get( this ), queue = data[ type + "queue" ], hooks = data[ type + "queueHooks" ], timers = jQuery.timers, length = queue ? queue.length : 0; // Enable finishing flag on private data data.finish = true; // Empty the queue first jQuery.queue( this, type, [] ); if ( hooks && hooks.stop ) { hooks.stop.call( this, true ); } // Look for any active animations, and finish them for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && timers[ index ].queue === type ) { timers[ index ].anim.stop( true ); timers.splice( index, 1 ); } } // Look for any animations in the old queue and finish them for ( index = 0; index < length; index++ ) { if ( queue[ index ] && queue[ index ].finish ) { queue[ index ].finish.call( this ); } } // Turn off finishing flag delete data.finish; } ); } } ); jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) { var cssFn = jQuery.fn[ name ]; jQuery.fn[ name ] = function( speed, easing, callback ) { return speed == null || typeof speed === "boolean" ? cssFn.apply( this, arguments ) : this.animate( genFx( name, true ), speed, easing, callback ); }; } ); // Generate shortcuts for custom animations jQuery.each( { slideDown: genFx( "show" ), slideUp: genFx( "hide" ), slideToggle: genFx( "toggle" ), fadeIn: { opacity: "show" }, fadeOut: { opacity: "hide" }, fadeToggle: { opacity: "toggle" } }, function( name, props ) { jQuery.fn[ name ] = function( speed, easing, callback ) { return this.animate( props, speed, easing, callback ); }; } ); jQuery.timers = []; jQuery.fx.tick = function() { var timer, i = 0, timers = jQuery.timers; fxNow = Date.now(); for ( ; i < timers.length; i++ ) { timer = timers[ i ]; // Run the timer and safely remove it when done (allowing for external removal) if ( !timer() && timers[ i ] === timer ) { timers.splice( i--, 1 ); } } if ( !timers.length ) { jQuery.fx.stop(); } fxNow = undefined; }; jQuery.fx.timer = function( timer ) { jQuery.timers.push( timer ); jQuery.fx.start(); }; jQuery.fx.interval = 13; jQuery.fx.start = function() { if ( inProgress ) { return; } inProgress = true; schedule(); }; jQuery.fx.stop = function() { inProgress = null; }; jQuery.fx.speeds = { slow: 600, fast: 200, // Default speed _default: 400 }; // Based off of the plugin by Clint Helfers, with permission. // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ jQuery.fn.delay = function( time, type ) { time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; type = type || "fx"; return this.queue( type, function( next, hooks ) { var timeout = window.setTimeout( next, time ); hooks.stop = function() { window.clearTimeout( timeout ); }; } ); }; ( function() { var input = document.createElement( "input" ), select = document.createElement( "select" ), opt = select.appendChild( document.createElement( "option" ) ); input.type = "checkbox"; // Support: Android <=4.3 only // Default value for a checkbox should be "on" support.checkOn = input.value !== ""; // Support: IE <=11 only // Must access selectedIndex to make default options select support.optSelected = opt.selected; // Support: IE <=11 only // An input loses its value after becoming a radio input = document.createElement( "input" ); input.value = "t"; input.type = "radio"; support.radioValue = input.value === "t"; } )(); var boolHook, attrHandle = jQuery.expr.attrHandle; jQuery.fn.extend( { attr: function( name, value ) { return access( this, jQuery.attr, name, value, arguments.length > 1 ); }, removeAttr: function( name ) { return this.each( function() { jQuery.removeAttr( this, name ); } ); } } ); jQuery.extend( { attr: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType; // Don't get/set attributes on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; } // Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === "undefined" ) { return jQuery.prop( elem, name, value ); } // Attribute hooks are determined by the lowercase version // Grab necessary hook if one is defined if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { hooks = jQuery.attrHooks[ name.toLowerCase() ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); } if ( value !== undefined ) { if ( value === null ) { jQuery.removeAttr( elem, name ); return; } if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; } elem.setAttribute( name, value + "" ); return value; } if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; } ret = jQuery.find.attr( elem, name ); // Non-existent attributes return null, we normalize to undefined return ret == null ? undefined : ret; }, attrHooks: { type: { set: function( elem, value ) { if ( !support.radioValue && value === "radio" && nodeName( elem, "input" ) ) { var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } }, removeAttr: function( elem, value ) { var name, i = 0, // Attribute names can contain non-HTML whitespace characters // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 attrNames = value && value.match( rnothtmlwhite ); if ( attrNames && elem.nodeType === 1 ) { while ( ( name = attrNames[ i++ ] ) ) { elem.removeAttribute( name ); } } } } ); // Hooks for boolean attributes boolHook = { set: function( elem, value, name ) { if ( value === false ) { // Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else { elem.setAttribute( name, name ); } return name; } }; jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) { var getter = attrHandle[ name ] || jQuery.find.attr; attrHandle[ name ] = function( elem, name, isXML ) { var ret, handle, lowercaseName = name.toLowerCase(); if ( !isXML ) { // Avoid an infinite loop by temporarily removing this function from the getter handle = attrHandle[ lowercaseName ]; attrHandle[ lowercaseName ] = ret; ret = getter( elem, name, isXML ) != null ? lowercaseName : null; attrHandle[ lowercaseName ] = handle; } return ret; }; } ); var rfocusable = /^(?:input|select|textarea|button)$/i, rclickable = /^(?:a|area)$/i; jQuery.fn.extend( { prop: function( name, value ) { return access( this, jQuery.prop, name, value, arguments.length > 1 ); }, removeProp: function( name ) { return this.each( function() { delete this[ jQuery.propFix[ name ] || name ]; } ); } } ); jQuery.extend( { prop: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType; // Don't get/set properties on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; } if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { // Fix name and attach hooks name = jQuery.propFix[ name ] || name; hooks = jQuery.propHooks[ name ]; } if ( value !== undefined ) { if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; } return ( elem[ name ] = value ); } if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; } return elem[ name ]; }, propHooks: { tabIndex: { get: function( elem ) { // Support: IE <=9 - 11 only // elem.tabIndex doesn't always return the // correct value when it hasn't been explicitly set // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ // Use proper attribute retrieval(#12072) var tabindex = jQuery.find.attr( elem, "tabindex" ); if ( tabindex ) { return parseInt( tabindex, 10 ); } if ( rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ) { return 0; } return -1; } } }, propFix: { "for": "htmlFor", "class": "className" } } ); // Support: IE <=11 only // Accessing the selectedIndex property // forces the browser to respect setting selected // on the option // The getter ensures a default option is selected // when in an optgroup // eslint rule "no-unused-expressions" is disabled for this code // since it considers such accessions noop if ( !support.optSelected ) { jQuery.propHooks.selected = { get: function( elem ) { /* eslint no-unused-expressions: "off" */ var parent = elem.parentNode; if ( parent && parent.parentNode ) { parent.parentNode.selectedIndex; } return null; }, set: function( elem ) { /* eslint no-unused-expressions: "off" */ var parent = elem.parentNode; if ( parent ) { parent.selectedIndex; if ( parent.parentNode ) { parent.parentNode.selectedIndex; } } } }; } jQuery.each( [ "tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable" ], function() { jQuery.propFix[ this.toLowerCase() ] = this; } ); // Strip and collapse whitespace according to HTML spec // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace function stripAndCollapse( value ) { var tokens = value.match( rnothtmlwhite ) || []; return tokens.join( " " ); } function getClass( elem ) { return elem.getAttribute && elem.getAttribute( "class" ) || ""; } function classesToArray( value ) { if ( Array.isArray( value ) ) { return value; } if ( typeof value === "string" ) { return value.match( rnothtmlwhite ) || []; } return []; } jQuery.fn.extend( { addClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0; if ( isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); } ); } classes = classesToArray( value ); if ( classes.length ) { while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem ); cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } } // Only assign if different to avoid unneeded rendering. finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } } return this; }, removeClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0; if ( isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); } ); } if ( !arguments.length ) { return this.attr( "class", "" ); } classes = classesToArray( value ); if ( classes.length ) { while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem ); // This expression is here for better compressibility (see addClass) cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) { // Remove *all* instances while ( cur.indexOf( " " + clazz + " " ) > -1 ) { cur = cur.replace( " " + clazz + " ", " " ); } } // Only assign if different to avoid unneeded rendering. finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } } return this; }, toggleClass: function( value, stateVal ) { var type = typeof value, isValidValue = type === "string" || Array.isArray( value ); if ( typeof stateVal === "boolean" && isValidValue ) { return stateVal ? this.addClass( value ) : this.removeClass( value ); } if ( isFunction( value ) ) { return this.each( function( i ) { jQuery( this ).toggleClass( value.call( this, i, getClass( this ), stateVal ), stateVal ); } ); } return this.each( function() { var className, i, self, classNames; if ( isValidValue ) { // Toggle individual class names i = 0; self = jQuery( this ); classNames = classesToArray( value ); while ( ( className = classNames[ i++ ] ) ) { // Check each className given, space separated list if ( self.hasClass( className ) ) { self.removeClass( className ); } else { self.addClass( className ); } } // Toggle whole class name } else if ( value === undefined || type === "boolean" ) { className = getClass( this ); if ( className ) { // Store className if set dataPriv.set( this, "__className__", className ); } // If the element has a class name or if we're passed `false`, // then remove the whole classname (if there was one, the above saved it). // Otherwise bring back whatever was previously saved (if anything), // falling back to the empty string if nothing was stored. if ( this.setAttribute ) { this.setAttribute( "class", className || value === false ? "" : dataPriv.get( this, "__className__" ) || "" ); } } } ); }, hasClass: function( selector ) { var className, elem, i = 0; className = " " + selector + " "; while ( ( elem = this[ i++ ] ) ) { if ( elem.nodeType === 1 && ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { return true; } } return false; } } ); var rreturn = /\r/g; jQuery.fn.extend( { val: function( value ) { var hooks, ret, valueIsFunction, elem = this[ 0 ]; if ( !arguments.length ) { if ( elem ) { hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ]; if ( hooks && "get" in hooks && ( ret = hooks.get( elem, "value" ) ) !== undefined ) { return ret; } ret = elem.value; // Handle most common string cases if ( typeof ret === "string" ) { return ret.replace( rreturn, "" ); } // Handle cases where value is null/undef or number return ret == null ? "" : ret; } return; } valueIsFunction = isFunction( value ); return this.each( function( i ) { var val; if ( this.nodeType !== 1 ) { return; } if ( valueIsFunction ) { val = value.call( this, i, jQuery( this ).val() ); } else { val = value; } // Treat null/undefined as ""; convert numbers to string if ( val == null ) { val = ""; } else if ( typeof val === "number" ) { val += ""; } else if ( Array.isArray( val ) ) { val = jQuery.map( val, function( value ) { return value == null ? "" : value + ""; } ); } hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; // If set returns undefined, fall back to normal setting if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { this.value = val; } } ); } } ); jQuery.extend( { valHooks: { option: { get: function( elem ) { var val = jQuery.find.attr( elem, "value" ); return val != null ? val : // Support: IE <=10 - 11 only // option.text throws exceptions (#14686, #14858) // Strip and collapse whitespace // https://html.spec.whatwg.org/#strip-and-collapse-whitespace stripAndCollapse( jQuery.text( elem ) ); } }, select: { get: function( elem ) { var value, option, i, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one", values = one ? null : [], max = one ? index + 1 : options.length; if ( index < 0 ) { i = max; } else { i = one ? index : 0; } // Loop through all the selected options for ( ; i < max; i++ ) { option = options[ i ]; // Support: IE <=9 only // IE8-9 doesn't update selected after form reset (#2551) if ( ( option.selected || i === index ) && // Don't return options that are disabled or in a disabled optgroup !option.disabled && ( !option.parentNode.disabled || !nodeName( option.parentNode, "optgroup" ) ) ) { // Get the specific value for the option value = jQuery( option ).val(); // We don't need an array for one selects if ( one ) { return value; } // Multi-Selects return an array values.push( value ); } } return values; }, set: function( elem, value ) { var optionSet, option, options = elem.options, values = jQuery.makeArray( value ), i = options.length; while ( i-- ) { option = options[ i ]; /* eslint-disable no-cond-assign */ if ( option.selected = jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 ) { optionSet = true; } /* eslint-enable no-cond-assign */ } // Force browsers to behave consistently when non-matching value is set if ( !optionSet ) { elem.selectedIndex = -1; } return values; } } } } ); // Radios and checkboxes getter/setter jQuery.each( [ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { set: function( elem, value ) { if ( Array.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); } } }; if ( !support.checkOn ) { jQuery.valHooks[ this ].get = function( elem ) { return elem.getAttribute( "value" ) === null ? "on" : elem.value; }; } } ); // Return jQuery for attributes-only inclusion support.focusin = "onfocusin" in window; var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, stopPropagationCallback = function( e ) { e.stopPropagation(); }; jQuery.extend( jQuery.event, { trigger: function( event, data, elem, onlyHandlers ) { var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, eventPath = [ elem || document ], type = hasOwn.call( event, "type" ) ? event.type : event, namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; cur = lastElement = tmp = elem = elem || document; // Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; } // focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; } if ( type.indexOf( "." ) > -1 ) { // Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split( "." ); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf( ":" ) < 0 && "on" + type; // Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event ); // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) event.isTrigger = onlyHandlers ? 2 : 3; event.namespace = namespaces.join( "." ); event.rnamespace = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : null; // Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; } // Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] ); // Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; } // Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) { bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; } // Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === ( elem.ownerDocument || document ) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } } // Fire handlers on the event path i = 0; while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { lastElement = cur; event.type = i > 1 ? bubbleType : special.bindType || type; // jQuery handler handle = ( dataPriv.get( cur, "events" ) || Object.create( null ) )[ event.type ] && dataPriv.get( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); } // Native handler handle = ontype && cur[ ontype ]; if ( handle && handle.apply && acceptData( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventDefault(); } } } event.type = type; // If nobody prevented the default action, do it now if ( !onlyHandlers && !event.isDefaultPrevented() ) { if ( ( !special._default || special._default.apply( eventPath.pop(), data ) === false ) && acceptData( elem ) ) { // Call a native DOM method on the target with the same name as the event. // Don't do default actions on window, that's where global variables be (#6170) if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) { // Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ]; if ( tmp ) { elem[ ontype ] = null; } // Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; if ( event.isPropagationStopped() ) { lastElement.addEventListener( type, stopPropagationCallback ); } elem[ type ](); if ( event.isPropagationStopped() ) { lastElement.removeEventListener( type, stopPropagationCallback ); } jQuery.event.triggered = undefined; if ( tmp ) { elem[ ontype ] = tmp; } } } } return event.result; }, // Piggyback on a donor event to simulate a different one // Used only for `focus(in | out)` events simulate: function( type, elem, event ) { var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true } ); jQuery.event.trigger( e, null, elem ); } } ); jQuery.fn.extend( { trigger: function( type, data ) { return this.each( function() { jQuery.event.trigger( type, data, this ); } ); }, triggerHandler: function( type, data ) { var elem = this[ 0 ]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } } ); // Support: Firefox <=44 // Firefox doesn't have focus(in | out) events // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 // // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 // focus(in | out) events fire after focus & blur events, // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 if ( !support.focusin ) { jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { // Attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); }; jQuery.event.special[ fix ] = { setup: function() { // Handle: regular nodes (via `this.ownerDocument`), window // (via `this.document`) & document (via `this`). var doc = this.ownerDocument || this.document || this, attaches = dataPriv.access( doc, fix ); if ( !attaches ) { doc.addEventListener( orig, handler, true ); } dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerDocument || this.document || this, attaches = dataPriv.access( doc, fix ) - 1; if ( !attaches ) { doc.removeEventListener( orig, handler, true ); dataPriv.remove( doc, fix ); } else { dataPriv.access( doc, fix, attaches ); } } }; } ); } var location = window.location; var nonce = { guid: Date.now() }; var rquery = ( /\?/ ); // Cross-browser xml parsing jQuery.parseXML = function( data ) { var xml, parserErrorElem; if ( !data || typeof data !== "string" ) { return null; } // Support: IE 9 - 11 only // IE throws on parseFromString with invalid input. try { xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); } catch ( e ) {} parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ]; if ( !xml || parserErrorElem ) { jQuery.error( "Invalid XML: " + ( parserErrorElem ? jQuery.map( parserErrorElem.childNodes, function( el ) { return el.textContent; } ).join( "\n" ) : data ) ); } return xml; }; var rbracket = /\[\]$/, rCRLF = /\r?\n/g, rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, rsubmittable = /^(?:input|select|textarea|keygen)/i; function buildParams( prefix, obj, traditional, add ) { var name; if ( Array.isArray( obj ) ) { // Serialize array item. jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) { // Treat each array item as a scalar. add( prefix, v ); } else { // Item is non-scalar (array or object), encode its numeric index. buildParams( prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", v, traditional, add ); } } ); } else if ( !traditional && toType( obj ) === "object" ) { // Serialize object item. for ( name in obj ) { buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); } } else { // Serialize scalar item. add( prefix, obj ); } } // Serialize an array of form elements or a set of // key/values into a query string jQuery.param = function( a, traditional ) { var prefix, s = [], add = function( key, valueOrFunction ) { // If value is a function, invoke it and use its return value var value = isFunction( valueOrFunction ) ? valueOrFunction() : valueOrFunction; s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value == null ? "" : value ); }; if ( a == null ) { return ""; } // If an array was passed in, assume that it is an array of form elements. if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { // Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); } ); } else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } } // Return the resulting serialization return s.join( "&" ); }; jQuery.fn.extend( { serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map( function() { // Can add propHook for "elements" to filter or add form elements var elements = jQuery.prop( this, "elements" ); return elements ? jQuery.makeArray( elements ) : this; } ).filter( function() { var type = this.type; // Use .is( ":disabled" ) so that fieldset[disabled] works return this.name && !jQuery( this ).is( ":disabled" ) && rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && ( this.checked || !rcheckableType.test( type ) ); } ).map( function( _i, elem ) { var val = jQuery( this ).val(); if ( val == null ) { return null; } if ( Array.isArray( val ) ) { return jQuery.map( val, function( val ) { return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ); } return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ).get(); } } ); var r20 = /%20/g, rhash = /#.*$/, rantiCache = /([?&])_=[^&]*/, rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, // #7653, #8125, #8152: local protocol detection rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//, /* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {}, /* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {}, // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression allTypes = "*/".concat( "*" ), // Anchor tag for parsing the document origin originAnchor = document.createElement( "a" ); originAnchor.href = location.href; // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) { // dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) { if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; } var dataType, i = 0, dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || []; if ( isFunction( func ) ) { // For each dataType in the dataTypeExpression while ( ( dataType = dataTypes[ i++ ] ) ) { // Prepend if requested if ( dataType[ 0 ] === "+" ) { dataType = dataType.slice( 1 ) || "*"; ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); // Otherwise append } else { ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); } } } }; } // Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { var inspected = {}, seekingTransport = ( structure === transports ); function inspect( dataType ) { var selected; inspected[ dataType ] = true; jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) { options.dataTypes.unshift( dataTypeOrTransport ); inspect( dataTypeOrTransport ); return false; } else if ( seekingTransport ) { return !( selected = dataTypeOrTransport ); } } ); return selected; } return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); } // A special extend for ajax options // that takes "flat" options (not to be deep extended) // Fixes #9887 function ajaxExtend( target, src ) { var key, deep, flatOptions = jQuery.ajaxSettings.flatOptions || {}; for ( key in src ) { if ( src[ key ] !== undefined ) { ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; } } if ( deep ) { jQuery.extend( true, target, deep ); } return target; } /* Handles responses to an ajax request: * - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */ function ajaxHandleResponses( s, jqXHR, responses ) { var ct, type, finalDataType, firstDataType, contents = s.contents, dataTypes = s.dataTypes; // Remove auto dataType and get content-type in the process while ( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); } } // Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } } // Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else { // Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } } // Or just use first one finalDataType = finalDataType || firstDataType; } // If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } } /* Chain conversions given the request and the original response * Also sets the responseXXX fields on the jqXHR instance */ function ajaxConvert( s, response, jqXHR, isSuccess ) { var conv2, current, conv, tmp, prev, converters = {}, // Work with a copy of dataTypes in case we need to modify it for conversion dataTypes = s.dataTypes.slice(); // Create converters map with lowercased keys if ( dataTypes[ 1 ] ) { for ( conv in s.converters ) { converters[ conv.toLowerCase() ] = s.converters[ conv ]; } } current = dataTypes.shift(); // Convert to each sequential dataType while ( current ) { if ( s.responseFields[ current ] ) { jqXHR[ s.responseFields[ current ] ] = response; } // Apply the dataFilter if provided if ( !prev && isSuccess && s.dataFilter ) { response = s.dataFilter( response, s.dataType ); } prev = current; current = dataTypes.shift(); if ( current ) { // There's only work to do if current dataType is non-auto if ( current === "*" ) { current = prev; // Convert response if prev dataType is non-auto and differs from current } else if ( prev !== "*" && prev !== current ) { // Seek a direct converter conv = converters[ prev + " " + current ] || converters[ "* " + current ]; // If none found, seek a pair if ( !conv ) { for ( conv2 in converters ) { // If conv2 outputs current tmp = conv2.split( " " ); if ( tmp[ 1 ] === current ) { // If prev can be converted to accepted input conv = converters[ prev + " " + tmp[ 0 ] ] || converters[ "* " + tmp[ 0 ] ]; if ( conv ) { // Condense equivalence converters if ( conv === true ) { conv = converters[ conv2 ]; // Otherwise, insert the intermediate dataType } else if ( converters[ conv2 ] !== true ) { current = tmp[ 0 ]; dataTypes.unshift( tmp[ 1 ] ); } break; } } } } // Apply converter (if not an equivalence) if ( conv !== true ) { // Unless errors are allowed to bubble, catch and return them if ( conv && s.throws ) { response = conv( response ); } else { try { response = conv( response ); } catch ( e ) { return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; } } } } } } return { state: "success", data: response }; } jQuery.extend( { // Counter for holding the number of active queries active: 0, // Last-Modified header cache for next request lastModified: {}, etag: {}, ajaxSettings: { url: location.href, type: "GET", isLocal: rlocalProtocol.test( location.protocol ), global: true, processData: true, async: true, contentType: "application/x-www-form-urlencoded; charset=UTF-8", /* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, throws: false, traditional: false, headers: {}, */ accepts: { "*": allTypes, text: "text/plain", html: "text/html", xml: "application/xml, text/xml", json: "application/json, text/javascript" }, contents: { xml: /\bxml\b/, html: /\bhtml/, json: /\bjson\b/ }, responseFields: { xml: "responseXML", text: "responseText", json: "responseJSON" }, // Data converters // Keys separate source (or catchall "*") and destination types with a single space converters: { // Convert anything to text "* text": String, // Text to html (true = no transformation) "text html": true, // Evaluate text as a json expression "text json": JSON.parse, // Parse text as xml "text xml": jQuery.parseXML }, // For options that shouldn't be deep extended: // you can add your own custom options here if // and when you create one that shouldn't be // deep extended (see ajaxExtend) flatOptions: { url: true, context: true } }, // Creates a full fledged settings object into target // with both ajaxSettings and settings fields. // If target is omitted, writes into ajaxSettings. ajaxSetup: function( target, settings ) { return settings ? // Building a settings object ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : // Extending ajaxSettings ajaxExtend( jQuery.ajaxSettings, target ); }, ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ), // Main method ajax: function( url, options ) { // If url is an object, simulate pre-1.5 signature if ( typeof url === "object" ) { options = url; url = undefined; } // Force options to be an object options = options || {}; var transport, // URL without anti-cache param cacheURL, // Response headers responseHeadersString, responseHeaders, // timeout handle timeoutTimer, // Url cleanup var urlAnchor, // Request state (becomes false upon send and true upon completion) completed, // To know if global events are to be dispatched fireGlobals, // Loop variable i, // uncached part of the url uncached, // Create the final options object s = jQuery.ajaxSetup( {}, options ), // Callbacks context callbackContext = s.context || s, // Context for global events is callbackContext if it is a DOM node or jQuery collection globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? jQuery( callbackContext ) : jQuery.event, // Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery.Callbacks( "once memory" ), // Status-dependent callbacks statusCode = s.statusCode || {}, // Headers (they are sent all at once) requestHeaders = {}, requestHeadersNames = {}, // Default abort message strAbort = "canceled", // Fake xhr jqXHR = { readyState: 0, // Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( completed ) { if ( !responseHeaders ) { responseHeaders = {}; while ( ( match = rheaders.exec( responseHeadersString ) ) ) { responseHeaders[ match[ 1 ].toLowerCase() + " " ] = ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] ) .concat( match[ 2 ] ); } } match = responseHeaders[ key.toLowerCase() + " " ]; } return match == null ? null : match.join( ", " ); }, // Raw string getAllResponseHeaders: function() { return completed ? responseHeadersString : null; }, // Caches the header setRequestHeader: function( name, value ) { if ( completed == null ) { name = requestHeadersNames[ name.toLowerCase() ] = requestHeadersNames[ name.toLowerCase() ] || name; requestHeaders[ name ] = value; } return this; }, // Overrides response content-type header overrideMimeType: function( type ) { if ( completed == null ) { s.mimeType = type; } return this; }, // Status-dependent callbacks statusCode: function( map ) { var code; if ( map ) { if ( completed ) { // Execute the appropriate callbacks jqXHR.always( map[ jqXHR.status ] ); } else { // Lazy-add the new callbacks in a way that preserves old ones for ( code in map ) { statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; } } } return this; }, // Cancel the request abort: function( statusText ) { var finalText = statusText || strAbort; if ( transport ) { transport.abort( finalText ); } done( 0, finalText ); return this; } }; // Attach deferreds deferred.promise( jqXHR ); // Add protocol if not provided (prefilters might expect it) // Handle falsy url in the settings object (#10093: consistency with old signature) // We also use the url parameter if available s.url = ( ( url || s.url || location.href ) + "" ) .replace( rprotocol, location.protocol + "//" ); // Alias method option to type as per ticket #12004 s.type = options.method || options.type || s.method || s.type; // Extract dataTypes list s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ]; // A cross-domain request is in order when the origin doesn't match the current origin. if ( s.crossDomain == null ) { urlAnchor = document.createElement( "a" ); // Support: IE <=8 - 11, Edge 12 - 15 // IE throws exception on accessing the href property if url is malformed, // e.g. http://example.com:80x/ try { urlAnchor.href = s.url; // Support: IE <=8 - 11 only // Anchor's host property isn't correctly set when s.url is relative urlAnchor.href = urlAnchor.href; s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== urlAnchor.protocol + "//" + urlAnchor.host; } catch ( e ) { // If there is an error parsing the URL, assume it is crossDomain, // it can be rejected by the transport if it is invalid s.crossDomain = true; } } // Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); } // Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); // If request was aborted inside a prefilter, stop there if ( completed ) { return jqXHR; } // We can fire global events as of now if asked to // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) fireGlobals = jQuery.event && s.global; // Watch for a new set of requests if ( fireGlobals && jQuery.active++ === 0 ) { jQuery.event.trigger( "ajaxStart" ); } // Uppercase the type s.type = s.type.toUpperCase(); // Determine if request has content s.hasContent = !rnoContent.test( s.type ); // Save the URL in case we're toying with the If-Modified-Since // and/or If-None-Match header later on // Remove hash to simplify url manipulation cacheURL = s.url.replace( rhash, "" ); // More options handling for requests with no content if ( !s.hasContent ) { // Remember the hash so we can put it back uncached = s.url.slice( cacheURL.length ); // If data is available and should be processed, append data to url if ( s.data && ( s.processData || typeof s.data === "string" ) ) { cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; // #9682: remove data so that it's not used in an eventual retry delete s.data; } // Add or update anti-cache param if needed if ( s.cache === false ) { cacheURL = cacheURL.replace( rantiCache, "$1" ); uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) + uncached; } // Put hash and anti-cache on the URL that will be requested (gh-1732) s.url = cacheURL + uncached; // Change '%20' to '+' if this is encoded form body content (gh-2658) } else if ( s.data && s.processData && ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { s.data = s.data.replace( r20, "+" ); } // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( jQuery.lastModified[ cacheURL ] ) { jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); } if ( jQuery.etag[ cacheURL ] ) { jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); } } // Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { jqXHR.setRequestHeader( "Content-Type", s.contentType ); } // Set the Accepts header for the server, depending on the dataType jqXHR.setRequestHeader( "Accept", s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? s.accepts[ s.dataTypes[ 0 ] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : s.accepts[ "*" ] ); // Check for headers option for ( i in s.headers ) { jqXHR.setRequestHeader( i, s.headers[ i ] ); } // Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { // Abort if not done already and return return jqXHR.abort(); } // Aborting is no longer a cancellation strAbort = "abort"; // Install callbacks on deferreds completeDeferred.add( s.complete ); jqXHR.done( s.success ); jqXHR.fail( s.error ); // Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); // If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { jqXHR.readyState = 1; // Send global event if ( fireGlobals ) { globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); } // If request was aborted inside ajaxSend, stop there if ( completed ) { return jqXHR; } // Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = window.setTimeout( function() { jqXHR.abort( "timeout" ); }, s.timeout ); } try { completed = false; transport.send( requestHeaders, done ); } catch ( e ) { // Rethrow post-completion exceptions if ( completed ) { throw e; } // Propagate others as results done( -1, e ); } } // Callback for when everything is done function done( status, nativeStatusText, responses, headers ) { var isSuccess, success, error, response, modified, statusText = nativeStatusText; // Ignore repeat invocations if ( completed ) { return; } completed = true; // Clear timeout if it exists if ( timeoutTimer ) { window.clearTimeout( timeoutTimer ); } // Dereference transport for early garbage collection // (no matter how long the jqXHR object will be used) transport = undefined; // Cache response headers responseHeadersString = headers || ""; // Set readyState jqXHR.readyState = status > 0 ? 4 : 0; // Determine if successful isSuccess = status >= 200 && status < 300 || status === 304; // Get response data if ( responses ) { response = ajaxHandleResponses( s, jqXHR, responses ); } // Use a noop converter for missing script but not if jsonp if ( !isSuccess && jQuery.inArray( "script", s.dataTypes ) > -1 && jQuery.inArray( "json", s.dataTypes ) < 0 ) { s.converters[ "text script" ] = function() {}; } // Convert no matter what (that way responseXXX fields are always set) response = ajaxConvert( s, response, jqXHR, isSuccess ); // If successful, handle type chaining if ( isSuccess ) { // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { modified = jqXHR.getResponseHeader( "Last-Modified" ); if ( modified ) { jQuery.lastModified[ cacheURL ] = modified; } modified = jqXHR.getResponseHeader( "etag" ); if ( modified ) { jQuery.etag[ cacheURL ] = modified; } } // if no content if ( status === 204 || s.type === "HEAD" ) { statusText = "nocontent"; // if not modified } else if ( status === 304 ) { statusText = "notmodified"; // If we have data, let's convert it } else { statusText = response.state; success = response.data; error = response.error; isSuccess = !error; } } else { // Extract error from statusText and normalize for non-aborts error = statusText; if ( status || !statusText ) { statusText = "error"; if ( status < 0 ) { status = 0; } } } // Set data for the fake xhr object jqXHR.status = status; jqXHR.statusText = ( nativeStatusText || statusText ) + ""; // Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); } else { deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); } // Status-dependent callbacks jqXHR.statusCode( statusCode ); statusCode = undefined; if ( fireGlobals ) { globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", [ jqXHR, s, isSuccess ? success : error ] ); } // Complete completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); if ( fireGlobals ) { globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); // Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger( "ajaxStop" ); } } } return jqXHR; }, getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); }, getScript: function( url, callback ) { return jQuery.get( url, undefined, callback, "script" ); } } ); jQuery.each( [ "get", "post" ], function( _i, method ) { jQuery[ method ] = function( url, data, callback, type ) { // Shift arguments if data argument was omitted if ( isFunction( data ) ) { type = type || callback; callback = data; data = undefined; } // The url can be an options object (which then must have .url) return jQuery.ajax( jQuery.extend( { url: url, type: method, dataType: type, data: data, success: callback }, jQuery.isPlainObject( url ) && url ) ); }; } ); jQuery.ajaxPrefilter( function( s ) { var i; for ( i in s.headers ) { if ( i.toLowerCase() === "content-type" ) { s.contentType = s.headers[ i ] || ""; } } } ); jQuery._evalUrl = function( url, options, doc ) { return jQuery.ajax( { url: url, // Make this explicit, since user can override this through ajaxSetup (#11264) type: "GET", dataType: "script", cache: true, async: false, global: false, // Only evaluate the response if it is successful (gh-4126) // dataFilter is not invoked for failure responses, so using it instead // of the default converter is kludgy but it works. converters: { "text script": function() {} }, dataFilter: function( response ) { jQuery.globalEval( response, options, doc ); } } ); }; jQuery.fn.extend( { wrapAll: function( html ) { var wrap; if ( this[ 0 ] ) { if ( isFunction( html ) ) { html = html.call( this[ 0 ] ); } // The elements to wrap the target around wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); if ( this[ 0 ].parentNode ) { wrap.insertBefore( this[ 0 ] ); } wrap.map( function() { var elem = this; while ( elem.firstElementChild ) { elem = elem.firstElementChild; } return elem; } ).append( this ); } return this; }, wrapInner: function( html ) { if ( isFunction( html ) ) { return this.each( function( i ) { jQuery( this ).wrapInner( html.call( this, i ) ); } ); } return this.each( function() { var self = jQuery( this ), contents = self.contents(); if ( contents.length ) { contents.wrapAll( html ); } else { self.append( html ); } } ); }, wrap: function( html ) { var htmlIsFunction = isFunction( html ); return this.each( function( i ) { jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); } ); }, unwrap: function( selector ) { this.parent( selector ).not( "body" ).each( function() { jQuery( this ).replaceWith( this.childNodes ); } ); return this; } } ); jQuery.expr.pseudos.hidden = function( elem ) { return !jQuery.expr.pseudos.visible( elem ); }; jQuery.expr.pseudos.visible = function( elem ) { return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); }; jQuery.ajaxSettings.xhr = function() { try { return new window.XMLHttpRequest(); } catch ( e ) {} }; var xhrSuccessStatus = { // File protocol always yields status code 0, assume 200 0: 200, // Support: IE <=9 only // #1450: sometimes IE returns 1223 when it should be 204 1223: 204 }, xhrSupported = jQuery.ajaxSettings.xhr(); support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); support.ajax = xhrSupported = !!xhrSupported; jQuery.ajaxTransport( function( options ) { var callback, errorCallback; // Cross domain only allowed if supported through XMLHttpRequest if ( support.cors || xhrSupported && !options.crossDomain ) { return { send: function( headers, complete ) { var i, xhr = options.xhr(); xhr.open( options.type, options.url, options.async, options.username, options.password ); // Apply custom fields if provided if ( options.xhrFields ) { for ( i in options.xhrFields ) { xhr[ i ] = options.xhrFields[ i ]; } } // Override mime type if needed if ( options.mimeType && xhr.overrideMimeType ) { xhr.overrideMimeType( options.mimeType ); } // X-Requested-With header // For cross-domain requests, seeing as conditions for a preflight are // akin to a jigsaw puzzle, we simply never set it to be sure. // (it can always be set on a per-request basis or even using ajaxSetup) // For same-domain requests, won't change header if already provided. if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { headers[ "X-Requested-With" ] = "XMLHttpRequest"; } // Set headers for ( i in headers ) { xhr.setRequestHeader( i, headers[ i ] ); } // Callback callback = function( type ) { return function() { if ( callback ) { callback = errorCallback = xhr.onload = xhr.onerror = xhr.onabort = xhr.ontimeout = xhr.onreadystatechange = null; if ( type === "abort" ) { xhr.abort(); } else if ( type === "error" ) { // Support: IE <=9 only // On a manual native abort, IE9 throws // errors on any property access that is not readyState if ( typeof xhr.status !== "number" ) { complete( 0, "error" ); } else { complete( // File: protocol always yields status 0; see #8605, #14207 xhr.status, xhr.statusText ); } } else { complete( xhrSuccessStatus[ xhr.status ] || xhr.status, xhr.statusText, // Support: IE <=9 only // IE9 has no XHR2 but throws on binary (trac-11426) // For XHR2 non-text, let the caller handle it (gh-2498) ( xhr.responseType || "text" ) !== "text" || typeof xhr.responseText !== "string" ? { binary: xhr.response } : { text: xhr.responseText }, xhr.getAllResponseHeaders() ); } } }; }; // Listen to events xhr.onload = callback(); errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" ); // Support: IE 9 only // Use onreadystatechange to replace onabort // to handle uncaught aborts if ( xhr.onabort !== undefined ) { xhr.onabort = errorCallback; } else { xhr.onreadystatechange = function() { // Check readyState before timeout as it changes if ( xhr.readyState === 4 ) { // Allow onerror to be called first, // but that will not handle a native abort // Also, save errorCallback to a variable // as xhr.onerror cannot be accessed window.setTimeout( function() { if ( callback ) { errorCallback(); } } ); } }; } // Create the abort callback callback = callback( "abort" ); try { // Do send the request (this may raise an exception) xhr.send( options.hasContent && options.data || null ); } catch ( e ) { // #14683: Only rethrow if this hasn't been notified as an error yet if ( callback ) { throw e; } } }, abort: function() { if ( callback ) { callback(); } } }; } } ); // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) jQuery.ajaxPrefilter( function( s ) { if ( s.crossDomain ) { s.contents.script = false; } } ); // Install script dataType jQuery.ajaxSetup( { accepts: { script: "text/javascript, application/javascript, " + "application/ecmascript, application/x-ecmascript" }, contents: { script: /\b(?:java|ecma)script\b/ }, converters: { "text script": function( text ) { jQuery.globalEval( text ); return text; } } } ); // Handle cache's special case and crossDomain jQuery.ajaxPrefilter( "script", function( s ) { if ( s.cache === undefined ) { s.cache = false; } if ( s.crossDomain ) { s.type = "GET"; } } ); // Bind script tag hack transport jQuery.ajaxTransport( "script", function( s ) { // This transport only deals with cross domain or forced-by-attrs requests if ( s.crossDomain || s.scriptAttrs ) { var script, callback; return { send: function( _, complete ) { script = jQuery( "<script>" ) .attr( s.scriptAttrs || {} ) .prop( { charset: s.scriptCharset, src: s.url } ) .on( "load error", callback = function( evt ) { script.remove(); callback = null; if ( evt ) { complete( evt.type === "error" ? 404 : 200, evt.type ); } } ); // Use native DOM manipulation to avoid our domManip AJAX trickery document.head.appendChild( script[ 0 ] ); }, abort: function() { if ( callback ) { callback(); } } }; } } ); var oldCallbacks = [], rjsonp = /(=)\?(?=&|$)|\?\?/; // Default jsonp settings jQuery.ajaxSetup( { jsonp: "callback", jsonpCallback: function() { var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce.guid++ ) ); this[ callback ] = true; return callback; } } ); // Detect, normalize options and install callbacks for jsonp requests jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) { var callbackName, overwritten, responseContainer, jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? "url" : typeof s.data === "string" && ( s.contentType || "" ) .indexOf( "application/x-www-form-urlencoded" ) === 0 && rjsonp.test( s.data ) && "data" ); // Handle iff the expected data type is "jsonp" or we have a parameter to set if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) { // Get callback name, remembering preexisting value associated with it callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback; // Insert callback into url or form data if ( jsonProp ) { s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); } else if ( s.jsonp !== false ) { s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; } // Use data converter to retrieve json after script execution s.converters[ "script json" ] = function() { if ( !responseContainer ) { jQuery.error( callbackName + " was not called" ); } return responseContainer[ 0 ]; }; // Force json dataType s.dataTypes[ 0 ] = "json"; // Install callback overwritten = window[ callbackName ]; window[ callbackName ] = function() { responseContainer = arguments; }; // Clean-up function (fires after converters) jqXHR.always( function() { // If previous value didn't exist - remove it if ( overwritten === undefined ) { jQuery( window ).removeProp( callbackName ); // Otherwise restore preexisting value } else { window[ callbackName ] = overwritten; } // Save back as free if ( s[ callbackName ] ) { // Make sure that re-using the options doesn't screw things around s.jsonpCallback = originalSettings.jsonpCallback; // Save the callback name for future use oldCallbacks.push( callbackName ); } // Call if it was a function and we have a response if ( responseContainer && isFunction( overwritten ) ) { overwritten( responseContainer[ 0 ] ); } responseContainer = overwritten = undefined; } ); // Delegate to script return "script"; } } ); // Support: Safari 8 only // In Safari 8 documents created via document.implementation.createHTMLDocument // collapse sibling forms: the second one becomes a child of the first one. // Because of that, this security measure has to be disabled in Safari 8. // https://bugs.webkit.org/show_bug.cgi?id=137337 support.createHTMLDocument = ( function() { var body = document.implementation.createHTMLDocument( "" ).body; body.innerHTML = "<form></form><form></form>"; return body.childNodes.length === 2; } )(); // Argument "data" should be string of html // context (optional): If specified, the fragment will be created in this context, // defaults to document // keepScripts (optional): If true, will include scripts passed in the html string jQuery.parseHTML = function( data, context, keepScripts ) { if ( typeof data !== "string" ) { return []; } if ( typeof context === "boolean" ) { keepScripts = context; context = false; } var base, parsed, scripts; if ( !context ) { // Stop scripts or inline event handlers from being executed immediately // by using document.implementation if ( support.createHTMLDocument ) { context = document.implementation.createHTMLDocument( "" ); // Set the base href for the created document // so any parsed elements with URLs // are based on the document's URL (gh-2965) base = context.createElement( "base" ); base.href = document.location.href; context.head.appendChild( base ); } else { context = document; } } parsed = rsingleTag.exec( data ); scripts = !keepScripts && []; // Single tag if ( parsed ) { return [ context.createElement( parsed[ 1 ] ) ]; } parsed = buildFragment( [ data ], context, scripts ); if ( scripts && scripts.length ) { jQuery( scripts ).remove(); } return jQuery.merge( [], parsed.childNodes ); }; /** * Load a url into a page */ jQuery.fn.load = function( url, params, callback ) { var selector, type, response, self = this, off = url.indexOf( " " ); if ( off > -1 ) { selector = stripAndCollapse( url.slice( off ) ); url = url.slice( 0, off ); } // If it's a function if ( isFunction( params ) ) { // We assume that it's the callback callback = params; params = undefined; // Otherwise, build a param string } else if ( params && typeof params === "object" ) { type = "POST"; } // If we have elements to modify, make the request if ( self.length > 0 ) { jQuery.ajax( { url: url, // If "type" variable is undefined, then "GET" method will be used. // Make value of this field explicit since // user can override it through ajaxSetup method type: type || "GET", dataType: "html", data: params } ).done( function( responseText ) { // Save response for use in complete callback response = arguments; self.html( selector ? // If a selector was specified, locate the right elements in a dummy div // Exclude scripts to avoid IE 'Permission Denied' errors jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) : // Otherwise use the full result responseText ); // If the request succeeds, this function gets "data", "status", "jqXHR" // but they are ignored because response was set above. // If it fails, this function gets "jqXHR", "status", "error" } ).always( callback && function( jqXHR, status ) { self.each( function() { callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] ); } ); } ); } return this; }; jQuery.expr.pseudos.animated = function( elem ) { return jQuery.grep( jQuery.timers, function( fn ) { return elem === fn.elem; } ).length; }; jQuery.offset = { setOffset: function( elem, options, i ) { var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, position = jQuery.css( elem, "position" ), curElem = jQuery( elem ), props = {}; // Set position first, in-case top/left are set even on static elem if ( position === "static" ) { elem.style.position = "relative"; } curOffset = curElem.offset(); curCSSTop = jQuery.css( elem, "top" ); curCSSLeft = jQuery.css( elem, "left" ); calculatePosition = ( position === "absolute" || position === "fixed" ) && ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1; // Need to be able to calculate position if either // top or left is auto and position is either absolute or fixed if ( calculatePosition ) { curPosition = curElem.position(); curTop = curPosition.top; curLeft = curPosition.left; } else { curTop = parseFloat( curCSSTop ) || 0; curLeft = parseFloat( curCSSLeft ) || 0; } if ( isFunction( options ) ) { // Use jQuery.extend here to allow modification of coordinates argument (gh-1848) options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); } if ( options.top != null ) { props.top = ( options.top - curOffset.top ) + curTop; } if ( options.left != null ) { props.left = ( options.left - curOffset.left ) + curLeft; } if ( "using" in options ) { options.using.call( elem, props ); } else { curElem.css( props ); } } }; jQuery.fn.extend( { // offset() relates an element's border box to the document origin offset: function( options ) { // Preserve chaining for setter if ( arguments.length ) { return options === undefined ? this : this.each( function( i ) { jQuery.offset.setOffset( this, options, i ); } ); } var rect, win, elem = this[ 0 ]; if ( !elem ) { return; } // Return zeros for disconnected and hidden (display: none) elements (gh-2310) // Support: IE <=11 only // Running getBoundingClientRect on a // disconnected node in IE throws an error if ( !elem.getClientRects().length ) { return { top: 0, left: 0 }; } // Get document-relative position by adding viewport scroll to viewport-relative gBCR rect = elem.getBoundingClientRect(); win = elem.ownerDocument.defaultView; return { top: rect.top + win.pageYOffset, left: rect.left + win.pageXOffset }; }, // position() relates an element's margin box to its offset parent's padding box // This corresponds to the behavior of CSS absolute positioning position: function() { if ( !this[ 0 ] ) { return; } var offsetParent, offset, doc, elem = this[ 0 ], parentOffset = { top: 0, left: 0 }; // position:fixed elements are offset from the viewport, which itself always has zero offset if ( jQuery.css( elem, "position" ) === "fixed" ) { // Assume position:fixed implies availability of getBoundingClientRect offset = elem.getBoundingClientRect(); } else { offset = this.offset(); // Account for the *real* offset parent, which can be the document or its root element // when a statically positioned element is identified doc = elem.ownerDocument; offsetParent = elem.offsetParent || doc.documentElement; while ( offsetParent && ( offsetParent === doc.body || offsetParent === doc.documentElement ) && jQuery.css( offsetParent, "position" ) === "static" ) { offsetParent = offsetParent.parentNode; } if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) { // Incorporate borders into its offset, since they are outside its content origin parentOffset = jQuery( offsetParent ).offset(); parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true ); parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true ); } } // Subtract parent offsets and element margins return { top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) }; }, // This method will return documentElement in the following cases: // 1) For the element inside the iframe without offsetParent, this method will return // documentElement of the parent window // 2) For the hidden or detached element // 3) For body or html element, i.e. in case of the html node - it will return itself // // but those exceptions were never presented as a real life use-cases // and might be considered as more preferable results. // // This logic, however, is not guaranteed and can change at any point in the future offsetParent: function() { return this.map( function() { var offsetParent = this.offsetParent; while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) { offsetParent = offsetParent.offsetParent; } return offsetParent || documentElement; } ); } } ); // Create scrollLeft and scrollTop methods jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { var top = "pageYOffset" === prop; jQuery.fn[ method ] = function( val ) { return access( this, function( elem, method, val ) { // Coalesce documents and windows var win; if ( isWindow( elem ) ) { win = elem; } else if ( elem.nodeType === 9 ) { win = elem.defaultView; } if ( val === undefined ) { return win ? win[ prop ] : elem[ method ]; } if ( win ) { win.scrollTo( !top ? val : win.pageXOffset, top ? val : win.pageYOffset ); } else { elem[ method ] = val; } }, method, val, arguments.length ); }; } ); // Support: Safari <=7 - 9.1, Chrome <=37 - 49 // Add the top/left cssHooks using jQuery.fn.position // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347 // getComputedStyle returns percent when specified for top/left/bottom/right; // rather than make the css module depend on the offset module, just check for it here jQuery.each( [ "top", "left" ], function( _i, prop ) { jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, function( elem, computed ) { if ( computed ) { computed = curCSS( elem, prop ); // If curCSS returns percentage, fallback to offset return rnumnonpx.test( computed ) ? jQuery( elem ).position()[ prop ] + "px" : computed; } } ); } ); // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods jQuery.each( { Height: "height", Width: "width" }, function( name, type ) { jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) { // Margin is only for outerHeight, outerWidth jQuery.fn[ funcName ] = function( margin, value ) { var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" ); return access( this, function( elem, type, value ) { var doc; if ( isWindow( elem ) ) { // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729) return funcName.indexOf( "outer" ) === 0 ? elem[ "inner" + name ] : elem.document.documentElement[ "client" + name ]; } // Get document width or height if ( elem.nodeType === 9 ) { doc = elem.documentElement; // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], // whichever is greatest return Math.max( elem.body[ "scroll" + name ], doc[ "scroll" + name ], elem.body[ "offset" + name ], doc[ "offset" + name ], doc[ "client" + name ] ); } return value === undefined ? // Get width or height on the element, requesting but not forcing parseFloat jQuery.css( elem, type, extra ) : // Set width or height on the element jQuery.style( elem, type, value, extra ); }, type, chainable ? margin : undefined, chainable ); }; } ); } ); jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( _i, type ) { jQuery.fn[ type ] = function( fn ) { return this.on( type, fn ); }; } ); jQuery.fn.extend( { bind: function( types, data, fn ) { return this.on( types, null, data, fn ); }, unbind: function( types, fn ) { return this.off( types, null, fn ); }, delegate: function( selector, types, data, fn ) { return this.on( types, selector, data, fn ); }, undelegate: function( selector, types, fn ) { // ( namespace ) or ( selector, types [, fn] ) return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); }, hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); } } ); jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " + "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + "change select submit keydown keypress keyup contextmenu" ).split( " " ), function( _i, name ) { // Handle event binding jQuery.fn[ name ] = function( data, fn ) { return arguments.length > 0 ? this.on( name, null, data, fn ) : this.trigger( name ); }; } ); // Support: Android <=4.0 only // Make sure we trim BOM and NBSP var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g; // Bind a function to a context, optionally partially applying any // arguments. // jQuery.proxy is deprecated to promote standards (specifically Function#bind) // However, it is not slated for removal any time soon jQuery.proxy = function( fn, context ) { var tmp, args, proxy; if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; } // Quick check to determine if target is callable, in the spec // this throws a TypeError, but we will just return undefined. if ( !isFunction( fn ) ) { return undefined; } // Simulated bind args = slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); }; // Set the guid of unique handler to the same of original handler, so it can be removed proxy.guid = fn.guid = fn.guid || jQuery.guid++; return proxy; }; jQuery.holdReady = function( hold ) { if ( hold ) { jQuery.readyWait++; } else { jQuery.ready( true ); } }; jQuery.isArray = Array.isArray; jQuery.parseJSON = JSON.parse; jQuery.nodeName = nodeName; jQuery.isFunction = isFunction; jQuery.isWindow = isWindow; jQuery.camelCase = camelCase; jQuery.type = toType; jQuery.now = Date.now; jQuery.isNumeric = function( obj ) { // As of jQuery 3.0, isNumeric is limited to // strings and numbers (primitives or objects) // that can be coerced to finite numbers (gh-2662) var type = jQuery.type( obj ); return ( type === "number" || type === "string" ) && // parseFloat NaNs numeric-cast false positives ("") // ...but misinterprets leading-number strings, particularly hex literals ("0x...") // subtraction forces infinities to NaN !isNaN( obj - parseFloat( obj ) ); }; jQuery.trim = function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); }; // Register as a named AMD module, since jQuery can be concatenated with other // files that may use define, but not via a proper concatenation script that // understands anonymous AMD modules. A named AMD is safest and most robust // way to register. Lowercase jquery is used because AMD module names are // derived from file names, and jQuery is normally delivered in a lowercase // file name. Do this after creating the global so that if an AMD module wants // to call noConflict to hide this version of jQuery, it will work. // Note that for maximum portability, libraries that are not jQuery should // declare themselves as anonymous modules, and avoid setting a global if an // AMD loader is present. jQuery is a special case. For more information, see // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon if ( typeof define === "function" && define.amd ) { define( "jquery", [], function() { return jQuery; } ); } var // Map over jQuery in case of overwrite _jQuery = window.jQuery, // Map over the $ in case of overwrite _$ = window.$; jQuery.noConflict = function( deep ) { if ( window.$ === jQuery ) { window.$ = _$; } if ( deep && window.jQuery === jQuery ) { window.jQuery = _jQuery; } return jQuery; }; // Expose jQuery and $ identifiers, even in AMD // (#7102#comment:10, https://github.com/jquery/jquery/pull/557) // and CommonJS for browser emulators (#13566) if ( typeof noGlobal === "undefined" ) { window.jQuery = window.$ = jQuery; } return jQuery; } );
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@@ -5,7 +5,7 @@* This script contains the language-specific data used by searchtools.js, * namely the list of stopwords, stemmer, scorer and splitter. * * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS. * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */
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@@ -4,7 +4,7 @@* * Sphinx JavaScript utilities for the full-text search. * * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS. * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. * :license: BSD, see LICENSE for details. * */
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@@ -57,14 +57,14 @@ const _removeChildren = (element) => {const _escapeRegExp = (string) => string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string const _displayItem = (item, highlightTerms, searchTerms) => { const _displayItem = (item, searchTerms) => { const docBuilder = DOCUMENTATION_OPTIONS.BUILDER; const docUrlRoot = DOCUMENTATION_OPTIONS.URL_ROOT; const docFileSuffix = DOCUMENTATION_OPTIONS.FILE_SUFFIX; const docLinkSuffix = DOCUMENTATION_OPTIONS.LINK_SUFFIX; const showSearchSummary = DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY; const [docName, title, anchor, descr] = item; const [docName, title, anchor, descr, score, _filename] = item; let listItem = document.createElement("li"); let requestUrl;
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@@ -82,13 +82,12 @@ const _displayItem = (item, highlightTerms, searchTerms) => {requestUrl = docUrlRoot + docName + docFileSuffix; linkUrl = docName + docLinkSuffix; } const params = new URLSearchParams(); params.set("highlight", [...highlightTerms].join(" ")); let linkEl = listItem.appendChild(document.createElement("a")); linkEl.href = linkUrl + "?" + params.toString() + anchor; linkEl.href = linkUrl + anchor; linkEl.dataset.score = score; linkEl.innerHTML = title; if (descr) listItem.appendChild(document.createElement("span")).innerText = listItem.appendChild(document.createElement("span")).innerHTML = " (" + descr + ")"; else if (showSearchSummary) fetch(requestUrl)
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@@ -96,7 +95,7 @@ const _displayItem = (item, highlightTerms, searchTerms) => {.then((data) => { if (data) listItem.appendChild( Search.makeSearchSummary(data, searchTerms, highlightTerms) Search.makeSearchSummary(data, searchTerms) ); }); Search.output.appendChild(listItem);
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@@ -116,15 +115,14 @@ const _finishSearch = (resultCount) => {const _displayNextItem = ( results, resultCount, highlightTerms, searchTerms ) => { // results left, load the summary and display it // this is intended to be dynamic (don't sub resultsCount) if (results.length) { _displayItem(results.pop(), highlightTerms, searchTerms); _displayItem(results.pop(), searchTerms); setTimeout( () => _displayNextItem(results, resultCount, highlightTerms, searchTerms), () => _displayNextItem(results, resultCount, searchTerms), 5 ); }
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@@ -155,10 +153,8 @@ const Search = {_pulse_status: -1, htmlToText: (htmlString) => { const htmlElement = document .createRange() .createContextualFragment(htmlString); _removeChildren(htmlElement.querySelectorAll(".headerlink")); const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html'); htmlElement.querySelectorAll(".headerlink").forEach((el) => { el.remove() }); const docContent = htmlElement.querySelector('[role="main"]'); if (docContent !== undefined) return docContent.textContent; console.warn(
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@@ -239,6 +235,12 @@ const Search = {* execute search (requires search index to be loaded) */ query: (query) => { const filenames = Search._index.filenames; const docNames = Search._index.docnames; const titles = Search._index.titles; const allTitles = Search._index.alltitles; const indexEntries = Search._index.indexentries; // stem the search terms and add them to the correct list const stemmer = new Stemmer(); const searchTerms = new Set();
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@@ -266,6 +268,10 @@ const Search = {} }); if (SPHINX_HIGHLIGHT_ENABLED) { // set in sphinx_highlight.js localStorage.setItem("sphinx_highlight_terms", [...highlightTerms].join(" ")) } // console.debug("SEARCH: searching for:"); // console.info("required: ", [...searchTerms]); // console.info("excluded: ", [...excludedTerms]);
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@@ -274,6 +280,40 @@ const Search = {let results = []; _removeChildren(document.getElementById("search-progress")); const queryLower = query.toLowerCase(); for (const [title, foundTitles] of Object.entries(allTitles)) { if (title.toLowerCase().includes(queryLower) && (queryLower.length >= title.length/2)) { for (const [file, id] of foundTitles) { let score = Math.round(100 * queryLower.length / title.length) results.push([ docNames[file], titles[file] !== title ? `${titles[file]} > ${title}` : title, id !== null ? "#" + id : "", null, score, filenames[file], ]); } } } // search for explicit entries in index directives for (const [entry, foundEntries] of Object.entries(indexEntries)) { if (entry.includes(queryLower) && (queryLower.length >= entry.length/2)) { for (const [file, id] of foundEntries) { let score = Math.round(100 * queryLower.length / entry.length) results.push([ docNames[file], titles[file], id ? "#" + id : "", null, score, filenames[file], ]); } } } // lookup as object objectTerms.forEach((term) => results.push(...Search.performObjectSearch(term, objectTerms))
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@@ -320,7 +360,7 @@ const Search = {// console.info("search results:", Search.lastresults); // print the results _displayNextItem(results, results.length, highlightTerms, searchTerms); _displayNextItem(results, results.length, searchTerms); }, /**
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@@ -401,8 +441,8 @@ const Search = {// prepare search const terms = Search._index.terms; const titleTerms = Search._index.titleterms; const docNames = Search._index.docnames; const filenames = Search._index.filenames; const docNames = Search._index.docnames; const titles = Search._index.titles; const scoreMap = new Map();
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@@ -499,16 +539,15 @@ const Search = {/** * helper function to return a node containing the * search summary for a given text. keywords is a list * of stemmed words, highlightWords is the list of normal, unstemmed * words. the first one is used to find the occurrence, the * latter for highlighting it. * of stemmed words. */ makeSearchSummary: (htmlText, keywords, highlightWords) => { const text = Search.htmlToText(htmlText).toLowerCase(); makeSearchSummary: (htmlText, keywords) => { const text = Search.htmlToText(htmlText); if (text === "") return null; const textLower = text.toLowerCase(); const actualStartPosition = [...keywords] .map((k) => text.indexOf(k.toLowerCase())) .map((k) => textLower.indexOf(k.toLowerCase())) .filter((i) => i > -1) .slice(-1)[0]; const startWithContext = Math.max(actualStartPosition - 120, 0);
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@@ -516,13 +555,9 @@ const Search = {const top = startWithContext === 0 ? "" : "..."; const tail = startWithContext + 240 < text.length ? "..." : ""; let summary = document.createElement("div"); let summary = document.createElement("p"); summary.classList.add("context"); summary.innerText = top + text.substr(startWithContext, 240).trim() + tail; highlightWords.forEach((highlightWord) => _highlightText(summary, highlightWord, "highlighted") ); summary.textContent = top + text.substr(startWithContext, 240).trim() + tail; return summary; },
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@@ -0,0 +1,144 @@/* Highlighting utilities for Sphinx HTML documentation. */ "use strict"; const SPHINX_HIGHLIGHT_ENABLED = true /** * highlight a given string on a node by wrapping it in * span elements with the given class name. */ const _highlight = (node, addItems, text, className) => { if (node.nodeType === Node.TEXT_NODE) { const val = node.nodeValue; const parent = node.parentNode; const pos = val.toLowerCase().indexOf(text); if ( pos >= 0 && !parent.classList.contains(className) && !parent.classList.contains("nohighlight") ) { let span; const closestNode = parent.closest("body, svg, foreignObject"); const isInSVG = closestNode && closestNode.matches("svg"); if (isInSVG) { span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); } else { span = document.createElement("span"); span.classList.add(className); } span.appendChild(document.createTextNode(val.substr(pos, text.length))); parent.insertBefore( span, parent.insertBefore( document.createTextNode(val.substr(pos + text.length)), node.nextSibling ) ); node.nodeValue = val.substr(0, pos); if (isInSVG) { const rect = document.createElementNS( "http://www.w3.org/2000/svg", "rect" ); const bbox = parent.getBBox(); rect.x.baseVal.value = bbox.x; rect.y.baseVal.value = bbox.y; rect.width.baseVal.value = bbox.width; rect.height.baseVal.value = bbox.height; rect.setAttribute("class", className); addItems.push({ parent: parent, target: rect }); } } } else if (node.matches && !node.matches("button, select, textarea")) { node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); } }; const _highlightText = (thisNode, text, className) => { let addItems = []; _highlight(thisNode, addItems, text, className); addItems.forEach((obj) => obj.parent.insertAdjacentElement("beforebegin", obj.target) ); }; /** * Small JavaScript module for the documentation. */ const SphinxHighlight = { /** * highlight the search words provided in localstorage in the text */ highlightSearchWords: () => { if (!SPHINX_HIGHLIGHT_ENABLED) return; // bail if no highlight // get and clear terms from localstorage const url = new URL(window.location); const highlight = localStorage.getItem("sphinx_highlight_terms") || url.searchParams.get("highlight") || ""; localStorage.removeItem("sphinx_highlight_terms") url.searchParams.delete("highlight"); window.history.replaceState({}, "", url); // get individual terms from highlight string const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); if (terms.length === 0) return; // nothing to do // There should never be more than one element matching "div.body" const divBody = document.querySelectorAll("div.body"); const body = divBody.length ? divBody[0] : document.querySelector("body"); window.setTimeout(() => { terms.forEach((term) => _highlightText(body, term, "highlighted")); }, 10); const searchBox = document.getElementById("searchbox"); if (searchBox === null) return; searchBox.appendChild( document .createRange() .createContextualFragment( '<p class="highlight-link">' + '<a href="javascript:SphinxHighlight.hideSearchWords()">' + _("Hide Search Matches") + "</a></p>" ) ); }, /** * helper function to hide the search marks again */ hideSearchWords: () => { document .querySelectorAll("#searchbox .highlight-link") .forEach((el) => el.remove()); document .querySelectorAll("span.highlighted") .forEach((el) => el.classList.remove("highlighted")); localStorage.removeItem("sphinx_highlight_terms") }, initEscapeListener: () => { // only install a listener if it is really needed if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) return; document.addEventListener("keydown", (event) => { // bail for input elements if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; // bail with special keys if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return; if (DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS && (event.key === "Escape")) { SphinxHighlight.hideSearchWords(); event.preventDefault(); } }); }, }; _ready(SphinxHighlight.highlightSearchWords); _ready(SphinxHighlight.initEscapeListener);
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html/_static/underscore-1.13.1.js (deleted)
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@@ -1,2042 +0,0 @@(function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define('underscore', factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (function () { var current = global._; var exports = global._ = factory(); exports.noConflict = function () { global._ = current; return exports; }; }())); }(this, (function () { // Underscore.js 1.13.1 // https://underscorejs.org // (c) 2009-2021 Jeremy Ashkenas, Julian Gonggrijp, and DocumentCloud and Investigative Reporters & Editors // Underscore may be freely distributed under the MIT license. // Current version. var VERSION = '1.13.1'; // Establish the root object, `window` (`self`) in the browser, `global` // on the server, or `this` in some virtual machines. We use `self` // instead of `window` for `WebWorker` support. var root = typeof self == 'object' && self.self === self && self || typeof global == 'object' && global.global === global && global || Function('return this')() || {}; // Save bytes in the minified (but not gzipped) version: var ArrayProto = Array.prototype, ObjProto = Object.prototype; var SymbolProto = typeof Symbol !== 'undefined' ? Symbol.prototype : null; // Create quick reference variables for speed access to core prototypes. var push = ArrayProto.push, slice = ArrayProto.slice, toString = ObjProto.toString, hasOwnProperty = ObjProto.hasOwnProperty; // Modern feature detection. var supportsArrayBuffer = typeof ArrayBuffer !== 'undefined', supportsDataView = typeof DataView !== 'undefined'; // All **ECMAScript 5+** native function implementations that we hope to use // are declared here. var nativeIsArray = Array.isArray, nativeKeys = Object.keys, nativeCreate = Object.create, nativeIsView = supportsArrayBuffer && ArrayBuffer.isView; // Create references to these builtin functions because we override them. var _isNaN = isNaN, _isFinite = isFinite; // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed. var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString'); var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString', 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; // The largest integer that can be represented exactly. var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1; // Some functions take a variable number of arguments, or a few expected // arguments at the beginning and then a variable number of values to operate // on. This helper accumulates all remaining arguments past the function’s // argument length (or an explicit `startIndex`), into an array that becomes // the last argument. Similar to ES6’s "rest parameter". function restArguments(func, startIndex) { startIndex = startIndex == null ? func.length - 1 : +startIndex; return function() { var length = Math.max(arguments.length - startIndex, 0), rest = Array(length), index = 0; for (; index < length; index++) { rest[index] = arguments[index + startIndex]; } switch (startIndex) { case 0: return func.call(this, rest); case 1: return func.call(this, arguments[0], rest); case 2: return func.call(this, arguments[0], arguments[1], rest); } var args = Array(startIndex + 1); for (index = 0; index < startIndex; index++) { args[index] = arguments[index]; } args[startIndex] = rest; return func.apply(this, args); }; } // Is a given variable an object? function isObject(obj) { var type = typeof obj; return type === 'function' || type === 'object' && !!obj; } // Is a given value equal to null? function isNull(obj) { return obj === null; } // Is a given variable undefined? function isUndefined(obj) { return obj === void 0; } // Is a given value a boolean? function isBoolean(obj) { return obj === true || obj === false || toString.call(obj) === '[object Boolean]'; } // Is a given value a DOM element? function isElement(obj) { return !!(obj && obj.nodeType === 1); } // Internal function for creating a `toString`-based type tester. function tagTester(name) { var tag = '[object ' + name + ']'; return function(obj) { return toString.call(obj) === tag; }; } var isString = tagTester('String'); var isNumber = tagTester('Number'); var isDate = tagTester('Date'); var isRegExp = tagTester('RegExp'); var isError = tagTester('Error'); var isSymbol = tagTester('Symbol'); var isArrayBuffer = tagTester('ArrayBuffer'); var isFunction = tagTester('Function'); // Optimize `isFunction` if appropriate. Work around some `typeof` bugs in old // v8, IE 11 (#1621), Safari 8 (#1929), and PhantomJS (#2236). var nodelist = root.document && root.document.childNodes; if (typeof /./ != 'function' && typeof Int8Array != 'object' && typeof nodelist != 'function') { isFunction = function(obj) { return typeof obj == 'function' || false; }; } var isFunction$1 = isFunction; var hasObjectTag = tagTester('Object'); // In IE 10 - Edge 13, `DataView` has string tag `'[object Object]'`. // In IE 11, the most common among them, this problem also applies to // `Map`, `WeakMap` and `Set`. var hasStringTagBug = ( supportsDataView && hasObjectTag(new DataView(new ArrayBuffer(8))) ), isIE11 = (typeof Map !== 'undefined' && hasObjectTag(new Map)); var isDataView = tagTester('DataView'); // In IE 10 - Edge 13, we need a different heuristic // to determine whether an object is a `DataView`. function ie10IsDataView(obj) { return obj != null && isFunction$1(obj.getInt8) && isArrayBuffer(obj.buffer); } var isDataView$1 = (hasStringTagBug ? ie10IsDataView : isDataView); // Is a given value an array? // Delegates to ECMA5's native `Array.isArray`. var isArray = nativeIsArray || tagTester('Array'); // Internal function to check whether `key` is an own property name of `obj`. function has$1(obj, key) { return obj != null && hasOwnProperty.call(obj, key); } var isArguments = tagTester('Arguments'); // Define a fallback version of the method in browsers (ahem, IE < 9), where // there isn't any inspectable "Arguments" type. (function() { if (!isArguments(arguments)) { isArguments = function(obj) { return has$1(obj, 'callee'); }; } }()); var isArguments$1 = isArguments; // Is a given object a finite number? function isFinite$1(obj) { return !isSymbol(obj) && _isFinite(obj) && !isNaN(parseFloat(obj)); } // Is the given value `NaN`? function isNaN$1(obj) { return isNumber(obj) && _isNaN(obj); } // Predicate-generating function. Often useful outside of Underscore. function constant(value) { return function() { return value; }; } // Common internal logic for `isArrayLike` and `isBufferLike`. function createSizePropertyCheck(getSizeProperty) { return function(collection) { var sizeProperty = getSizeProperty(collection); return typeof sizeProperty == 'number' && sizeProperty >= 0 && sizeProperty <= MAX_ARRAY_INDEX; } } // Internal helper to generate a function to obtain property `key` from `obj`. function shallowProperty(key) { return function(obj) { return obj == null ? void 0 : obj[key]; }; } // Internal helper to obtain the `byteLength` property of an object. var getByteLength = shallowProperty('byteLength'); // Internal helper to determine whether we should spend extensive checks against // `ArrayBuffer` et al. var isBufferLike = createSizePropertyCheck(getByteLength); // Is a given value a typed array? var typedArrayPattern = /\[object ((I|Ui)nt(8|16|32)|Float(32|64)|Uint8Clamped|Big(I|Ui)nt64)Array\]/; function isTypedArray(obj) { // `ArrayBuffer.isView` is the most future-proof, so use it when available. // Otherwise, fall back on the above regular expression. return nativeIsView ? (nativeIsView(obj) && !isDataView$1(obj)) : isBufferLike(obj) && typedArrayPattern.test(toString.call(obj)); } var isTypedArray$1 = supportsArrayBuffer ? isTypedArray : constant(false); // Internal helper to obtain the `length` property of an object. var getLength = shallowProperty('length'); // Internal helper to create a simple lookup structure. // `collectNonEnumProps` used to depend on `_.contains`, but this led to // circular imports. `emulatedSet` is a one-off solution that only works for // arrays of strings. function emulatedSet(keys) { var hash = {}; for (var l = keys.length, i = 0; i < l; ++i) hash[keys[i]] = true; return { contains: function(key) { return hash[key]; }, push: function(key) { hash[key] = true; return keys.push(key); } }; } // Internal helper. Checks `keys` for the presence of keys in IE < 9 that won't // be iterated by `for key in ...` and thus missed. Extends `keys` in place if // needed. function collectNonEnumProps(obj, keys) { keys = emulatedSet(keys); var nonEnumIdx = nonEnumerableProps.length; var constructor = obj.constructor; var proto = isFunction$1(constructor) && constructor.prototype || ObjProto; // Constructor is a special case. var prop = 'constructor'; if (has$1(obj, prop) && !keys.contains(prop)) keys.push(prop); while (nonEnumIdx--) { prop = nonEnumerableProps[nonEnumIdx]; if (prop in obj && obj[prop] !== proto[prop] && !keys.contains(prop)) { keys.push(prop); } } } // Retrieve the names of an object's own properties. // Delegates to **ECMAScript 5**'s native `Object.keys`. function keys(obj) { if (!isObject(obj)) return []; if (nativeKeys) return nativeKeys(obj); var keys = []; for (var key in obj) if (has$1(obj, key)) keys.push(key); // Ahem, IE < 9. if (hasEnumBug) collectNonEnumProps(obj, keys); return keys; } // Is a given array, string, or object empty? // An "empty" object has no enumerable own-properties. function isEmpty(obj) { if (obj == null) return true; // Skip the more expensive `toString`-based type checks if `obj` has no // `.length`. var length = getLength(obj); if (typeof length == 'number' && ( isArray(obj) || isString(obj) || isArguments$1(obj) )) return length === 0; return getLength(keys(obj)) === 0; } // Returns whether an object has a given set of `key:value` pairs. function isMatch(object, attrs) { var _keys = keys(attrs), length = _keys.length; if (object == null) return !length; var obj = Object(object); for (var i = 0; i < length; i++) { var key = _keys[i]; if (attrs[key] !== obj[key] || !(key in obj)) return false; } return true; } // If Underscore is called as a function, it returns a wrapped object that can // be used OO-style. This wrapper holds altered versions of all functions added // through `_.mixin`. Wrapped objects may be chained. function _$1(obj) { if (obj instanceof _$1) return obj; if (!(this instanceof _$1)) return new _$1(obj); this._wrapped = obj; } _$1.VERSION = VERSION; // Extracts the result from a wrapped and chained object. _$1.prototype.value = function() { return this._wrapped; }; // Provide unwrapping proxies for some methods used in engine operations // such as arithmetic and JSON stringification. _$1.prototype.valueOf = _$1.prototype.toJSON = _$1.prototype.value; _$1.prototype.toString = function() { return String(this._wrapped); }; // Internal function to wrap or shallow-copy an ArrayBuffer, // typed array or DataView to a new view, reusing the buffer. function toBufferView(bufferSource) { return new Uint8Array( bufferSource.buffer || bufferSource, bufferSource.byteOffset || 0, getByteLength(bufferSource) ); } // We use this string twice, so give it a name for minification. var tagDataView = '[object DataView]'; // Internal recursive comparison function for `_.isEqual`. function eq(a, b, aStack, bStack) { // Identical objects are equal. `0 === -0`, but they aren't identical. // See the [Harmony `egal` proposal](https://wiki.ecmascript.org/doku.php?id=harmony:egal). if (a === b) return a !== 0 || 1 / a === 1 / b; // `null` or `undefined` only equal to itself (strict comparison). if (a == null || b == null) return false; // `NaN`s are equivalent, but non-reflexive. if (a !== a) return b !== b; // Exhaust primitive checks var type = typeof a; if (type !== 'function' && type !== 'object' && typeof b != 'object') return false; return deepEq(a, b, aStack, bStack); } // Internal recursive comparison function for `_.isEqual`. function deepEq(a, b, aStack, bStack) { // Unwrap any wrapped objects. if (a instanceof _$1) a = a._wrapped; if (b instanceof _$1) b = b._wrapped; // Compare `[[Class]]` names. var className = toString.call(a); if (className !== toString.call(b)) return false; // Work around a bug in IE 10 - Edge 13. if (hasStringTagBug && className == '[object Object]' && isDataView$1(a)) { if (!isDataView$1(b)) return false; className = tagDataView; } switch (className) { // These types are compared by value. case '[object RegExp]': // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i') case '[object String]': // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is // equivalent to `new String("5")`. return '' + a === '' + b; case '[object Number]': // `NaN`s are equivalent, but non-reflexive. // Object(NaN) is equivalent to NaN. if (+a !== +a) return +b !== +b; // An `egal` comparison is performed for other numeric values. return +a === 0 ? 1 / +a === 1 / b : +a === +b; case '[object Date]': case '[object Boolean]': // Coerce dates and booleans to numeric primitive values. Dates are compared by their // millisecond representations. Note that invalid dates with millisecond representations // of `NaN` are not equivalent. return +a === +b; case '[object Symbol]': return SymbolProto.valueOf.call(a) === SymbolProto.valueOf.call(b); case '[object ArrayBuffer]': case tagDataView: // Coerce to typed array so we can fall through. return deepEq(toBufferView(a), toBufferView(b), aStack, bStack); } var areArrays = className === '[object Array]'; if (!areArrays && isTypedArray$1(a)) { var byteLength = getByteLength(a); if (byteLength !== getByteLength(b)) return false; if (a.buffer === b.buffer && a.byteOffset === b.byteOffset) return true; areArrays = true; } if (!areArrays) { if (typeof a != 'object' || typeof b != 'object') return false; // Objects with different constructors are not equivalent, but `Object`s or `Array`s // from different frames are. var aCtor = a.constructor, bCtor = b.constructor; if (aCtor !== bCtor && !(isFunction$1(aCtor) && aCtor instanceof aCtor && isFunction$1(bCtor) && bCtor instanceof bCtor) && ('constructor' in a && 'constructor' in b)) { return false; } } // Assume equality for cyclic structures. The algorithm for detecting cyclic // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`. // Initializing stack of traversed objects. // It's done here since we only need them for objects and arrays comparison. aStack = aStack || []; bStack = bStack || []; var length = aStack.length; while (length--) { // Linear search. Performance is inversely proportional to the number of // unique nested structures. if (aStack[length] === a) return bStack[length] === b; } // Add the first object to the stack of traversed objects. aStack.push(a); bStack.push(b); // Recursively compare objects and arrays. if (areArrays) { // Compare array lengths to determine if a deep comparison is necessary. length = a.length; if (length !== b.length) return false; // Deep compare the contents, ignoring non-numeric properties. while (length--) { if (!eq(a[length], b[length], aStack, bStack)) return false; } } else { // Deep compare objects. var _keys = keys(a), key; length = _keys.length; // Ensure that both objects contain the same number of properties before comparing deep equality. if (keys(b).length !== length) return false; while (length--) { // Deep compare each member key = _keys[length]; if (!(has$1(b, key) && eq(a[key], b[key], aStack, bStack))) return false; } } // Remove the first object from the stack of traversed objects. aStack.pop(); bStack.pop(); return true; } // Perform a deep comparison to check if two objects are equal. function isEqual(a, b) { return eq(a, b); } // Retrieve all the enumerable property names of an object. function allKeys(obj) { if (!isObject(obj)) return []; var keys = []; for (var key in obj) keys.push(key); // Ahem, IE < 9. if (hasEnumBug) collectNonEnumProps(obj, keys); return keys; } // Since the regular `Object.prototype.toString` type tests don't work for // some types in IE 11, we use a fingerprinting heuristic instead, based // on the methods. It's not great, but it's the best we got. // The fingerprint method lists are defined below. function ie11fingerprint(methods) { var length = getLength(methods); return function(obj) { if (obj == null) return false; // `Map`, `WeakMap` and `Set` have no enumerable keys. var keys = allKeys(obj); if (getLength(keys)) return false; for (var i = 0; i < length; i++) { if (!isFunction$1(obj[methods[i]])) return false; } // If we are testing against `WeakMap`, we need to ensure that // `obj` doesn't have a `forEach` method in order to distinguish // it from a regular `Map`. return methods !== weakMapMethods || !isFunction$1(obj[forEachName]); }; } // In the interest of compact minification, we write // each string in the fingerprints only once. var forEachName = 'forEach', hasName = 'has', commonInit = ['clear', 'delete'], mapTail = ['get', hasName, 'set']; // `Map`, `WeakMap` and `Set` each have slightly different // combinations of the above sublists. var mapMethods = commonInit.concat(forEachName, mapTail), weakMapMethods = commonInit.concat(mapTail), setMethods = ['add'].concat(commonInit, forEachName, hasName); var isMap = isIE11 ? ie11fingerprint(mapMethods) : tagTester('Map'); var isWeakMap = isIE11 ? ie11fingerprint(weakMapMethods) : tagTester('WeakMap'); var isSet = isIE11 ? ie11fingerprint(setMethods) : tagTester('Set'); var isWeakSet = tagTester('WeakSet'); // Retrieve the values of an object's properties. function values(obj) { var _keys = keys(obj); var length = _keys.length; var values = Array(length); for (var i = 0; i < length; i++) { values[i] = obj[_keys[i]]; } return values; } // Convert an object into a list of `[key, value]` pairs. // The opposite of `_.object` with one argument. function pairs(obj) { var _keys = keys(obj); var length = _keys.length; var pairs = Array(length); for (var i = 0; i < length; i++) { pairs[i] = [_keys[i], obj[_keys[i]]]; } return pairs; } // Invert the keys and values of an object. The values must be serializable. function invert(obj) { var result = {}; var _keys = keys(obj); for (var i = 0, length = _keys.length; i < length; i++) { result[obj[_keys[i]]] = _keys[i]; } return result; } // Return a sorted list of the function names available on the object. function functions(obj) { var names = []; for (var key in obj) { if (isFunction$1(obj[key])) names.push(key); } return names.sort(); } // An internal function for creating assigner functions. function createAssigner(keysFunc, defaults) { return function(obj) { var length = arguments.length; if (defaults) obj = Object(obj); if (length < 2 || obj == null) return obj; for (var index = 1; index < length; index++) { var source = arguments[index], keys = keysFunc(source), l = keys.length; for (var i = 0; i < l; i++) { var key = keys[i]; if (!defaults || obj[key] === void 0) obj[key] = source[key]; } } return obj; }; } // Extend a given object with all the properties in passed-in object(s). var extend = createAssigner(allKeys); // Assigns a given object with all the own properties in the passed-in // object(s). // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) var extendOwn = createAssigner(keys); // Fill in a given object with default properties. var defaults = createAssigner(allKeys, true); // Create a naked function reference for surrogate-prototype-swapping. function ctor() { return function(){}; } // An internal function for creating a new object that inherits from another. function baseCreate(prototype) { if (!isObject(prototype)) return {}; if (nativeCreate) return nativeCreate(prototype); var Ctor = ctor(); Ctor.prototype = prototype; var result = new Ctor; Ctor.prototype = null; return result; } // Creates an object that inherits from the given prototype object. // If additional properties are provided then they will be added to the // created object. function create(prototype, props) { var result = baseCreate(prototype); if (props) extendOwn(result, props); return result; } // Create a (shallow-cloned) duplicate of an object. function clone(obj) { if (!isObject(obj)) return obj; return isArray(obj) ? obj.slice() : extend({}, obj); } // Invokes `interceptor` with the `obj` and then returns `obj`. // The primary purpose of this method is to "tap into" a method chain, in // order to perform operations on intermediate results within the chain. function tap(obj, interceptor) { interceptor(obj); return obj; } // Normalize a (deep) property `path` to array. // Like `_.iteratee`, this function can be customized. function toPath$1(path) { return isArray(path) ? path : [path]; } _$1.toPath = toPath$1; // Internal wrapper for `_.toPath` to enable minification. // Similar to `cb` for `_.iteratee`. function toPath(path) { return _$1.toPath(path); } // Internal function to obtain a nested property in `obj` along `path`. function deepGet(obj, path) { var length = path.length; for (var i = 0; i < length; i++) { if (obj == null) return void 0; obj = obj[path[i]]; } return length ? obj : void 0; } // Get the value of the (deep) property on `path` from `object`. // If any property in `path` does not exist or if the value is // `undefined`, return `defaultValue` instead. // The `path` is normalized through `_.toPath`. function get(object, path, defaultValue) { var value = deepGet(object, toPath(path)); return isUndefined(value) ? defaultValue : value; } // Shortcut function for checking if an object has a given property directly on // itself (in other words, not on a prototype). Unlike the internal `has` // function, this public version can also traverse nested properties. function has(obj, path) { path = toPath(path); var length = path.length; for (var i = 0; i < length; i++) { var key = path[i]; if (!has$1(obj, key)) return false; obj = obj[key]; } return !!length; } // Keep the identity function around for default iteratees. function identity(value) { return value; } // Returns a predicate for checking whether an object has a given set of // `key:value` pairs. function matcher(attrs) { attrs = extendOwn({}, attrs); return function(obj) { return isMatch(obj, attrs); }; } // Creates a function that, when passed an object, will traverse that object’s // properties down the given `path`, specified as an array of keys or indices. function property(path) { path = toPath(path); return function(obj) { return deepGet(obj, path); }; } // Internal function that returns an efficient (for current engines) version // of the passed-in callback, to be repeatedly applied in other Underscore // functions. function optimizeCb(func, context, argCount) { if (context === void 0) return func; switch (argCount == null ? 3 : argCount) { case 1: return function(value) { return func.call(context, value); }; // The 2-argument case is omitted because we’re not using it. case 3: return function(value, index, collection) { return func.call(context, value, index, collection); }; case 4: return function(accumulator, value, index, collection) { return func.call(context, accumulator, value, index, collection); }; } return function() { return func.apply(context, arguments); }; } // An internal function to generate callbacks that can be applied to each // element in a collection, returning the desired result — either `_.identity`, // an arbitrary callback, a property matcher, or a property accessor. function baseIteratee(value, context, argCount) { if (value == null) return identity; if (isFunction$1(value)) return optimizeCb(value, context, argCount); if (isObject(value) && !isArray(value)) return matcher(value); return property(value); } // External wrapper for our callback generator. Users may customize // `_.iteratee` if they want additional predicate/iteratee shorthand styles. // This abstraction hides the internal-only `argCount` argument. function iteratee(value, context) { return baseIteratee(value, context, Infinity); } _$1.iteratee = iteratee; // The function we call internally to generate a callback. It invokes // `_.iteratee` if overridden, otherwise `baseIteratee`. function cb(value, context, argCount) { if (_$1.iteratee !== iteratee) return _$1.iteratee(value, context); return baseIteratee(value, context, argCount); } // Returns the results of applying the `iteratee` to each element of `obj`. // In contrast to `_.map` it returns an object. function mapObject(obj, iteratee, context) { iteratee = cb(iteratee, context); var _keys = keys(obj), length = _keys.length, results = {}; for (var index = 0; index < length; index++) { var currentKey = _keys[index]; results[currentKey] = iteratee(obj[currentKey], currentKey, obj); } return results; } // Predicate-generating function. Often useful outside of Underscore. function noop(){} // Generates a function for a given object that returns a given property. function propertyOf(obj) { if (obj == null) return noop; return function(path) { return get(obj, path); }; } // Run a function **n** times. function times(n, iteratee, context) { var accum = Array(Math.max(0, n)); iteratee = optimizeCb(iteratee, context, 1); for (var i = 0; i < n; i++) accum[i] = iteratee(i); return accum; } // Return a random integer between `min` and `max` (inclusive). function random(min, max) { if (max == null) { max = min; min = 0; } return min + Math.floor(Math.random() * (max - min + 1)); } // A (possibly faster) way to get the current timestamp as an integer. var now = Date.now || function() { return new Date().getTime(); }; // Internal helper to generate functions for escaping and unescaping strings // to/from HTML interpolation. function createEscaper(map) { var escaper = function(match) { return map[match]; }; // Regexes for identifying a key that needs to be escaped. var source = '(?:' + keys(map).join('|') + ')'; var testRegexp = RegExp(source); var replaceRegexp = RegExp(source, 'g'); return function(string) { string = string == null ? '' : '' + string; return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string; }; } // Internal list of HTML entities for escaping. var escapeMap = { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''', '`': '`' }; // Function for escaping strings to HTML interpolation. var _escape = createEscaper(escapeMap); // Internal list of HTML entities for unescaping. var unescapeMap = invert(escapeMap); // Function for unescaping strings from HTML interpolation. var _unescape = createEscaper(unescapeMap); // By default, Underscore uses ERB-style template delimiters. Change the // following template settings to use alternative delimiters. var templateSettings = _$1.templateSettings = { evaluate: /<%([\s\S]+?)%>/g, interpolate: /<%=([\s\S]+?)%>/g, escape: /<%-([\s\S]+?)%>/g }; // When customizing `_.templateSettings`, if you don't want to define an // interpolation, evaluation or escaping regex, we need one that is // guaranteed not to match. var noMatch = /(.)^/; // Certain characters need to be escaped so that they can be put into a // string literal. var escapes = { "'": "'", '\\': '\\', '\r': 'r', '\n': 'n', '\u2028': 'u2028', '\u2029': 'u2029' }; var escapeRegExp = /\\|'|\r|\n|\u2028|\u2029/g; function escapeChar(match) { return '\\' + escapes[match]; } // In order to prevent third-party code injection through // `_.templateSettings.variable`, we test it against the following regular // expression. It is intentionally a bit more liberal than just matching valid // identifiers, but still prevents possible loopholes through defaults or // destructuring assignment. var bareIdentifier = /^\s*(\w|\$)+\s*$/; // JavaScript micro-templating, similar to John Resig's implementation. // Underscore templating handles arbitrary delimiters, preserves whitespace, // and correctly escapes quotes within interpolated code. // NB: `oldSettings` only exists for backwards compatibility. function template(text, settings, oldSettings) { if (!settings && oldSettings) settings = oldSettings; settings = defaults({}, settings, _$1.templateSettings); // Combine delimiters into one regular expression via alternation. var matcher = RegExp([ (settings.escape || noMatch).source, (settings.interpolate || noMatch).source, (settings.evaluate || noMatch).source ].join('|') + '|$', 'g'); // Compile the template source, escaping string literals appropriately. var index = 0; var source = "__p+='"; text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { source += text.slice(index, offset).replace(escapeRegExp, escapeChar); index = offset + match.length; if (escape) { source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; } else if (interpolate) { source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; } else if (evaluate) { source += "';\n" + evaluate + "\n__p+='"; } // Adobe VMs need the match returned to produce the correct offset. return match; }); source += "';\n"; var argument = settings.variable; if (argument) { // Insure against third-party code injection. (CVE-2021-23358) if (!bareIdentifier.test(argument)) throw new Error( 'variable is not a bare identifier: ' + argument ); } else { // If a variable is not specified, place data values in local scope. source = 'with(obj||{}){\n' + source + '}\n'; argument = 'obj'; } source = "var __t,__p='',__j=Array.prototype.join," + "print=function(){__p+=__j.call(arguments,'');};\n" + source + 'return __p;\n'; var render; try { render = new Function(argument, '_', source); } catch (e) { e.source = source; throw e; } var template = function(data) { return render.call(this, data, _$1); }; // Provide the compiled source as a convenience for precompilation. template.source = 'function(' + argument + '){\n' + source + '}'; return template; } // Traverses the children of `obj` along `path`. If a child is a function, it // is invoked with its parent as context. Returns the value of the final // child, or `fallback` if any child is undefined. function result(obj, path, fallback) { path = toPath(path); var length = path.length; if (!length) { return isFunction$1(fallback) ? fallback.call(obj) : fallback; } for (var i = 0; i < length; i++) { var prop = obj == null ? void 0 : obj[path[i]]; if (prop === void 0) { prop = fallback; i = length; // Ensure we don't continue iterating. } obj = isFunction$1(prop) ? prop.call(obj) : prop; } return obj; } // Generate a unique integer id (unique within the entire client session). // Useful for temporary DOM ids. var idCounter = 0; function uniqueId(prefix) { var id = ++idCounter + ''; return prefix ? prefix + id : id; } // Start chaining a wrapped Underscore object. function chain(obj) { var instance = _$1(obj); instance._chain = true; return instance; } // Internal function to execute `sourceFunc` bound to `context` with optional // `args`. Determines whether to execute a function as a constructor or as a // normal function. function executeBound(sourceFunc, boundFunc, context, callingContext, args) { if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args); var self = baseCreate(sourceFunc.prototype); var result = sourceFunc.apply(self, args); if (isObject(result)) return result; return self; } // Partially apply a function by creating a version that has had some of its // arguments pre-filled, without changing its dynamic `this` context. `_` acts // as a placeholder by default, allowing any combination of arguments to be // pre-filled. Set `_.partial.placeholder` for a custom placeholder argument. var partial = restArguments(function(func, boundArgs) { var placeholder = partial.placeholder; var bound = function() { var position = 0, length = boundArgs.length; var args = Array(length); for (var i = 0; i < length; i++) { args[i] = boundArgs[i] === placeholder ? arguments[position++] : boundArgs[i]; } while (position < arguments.length) args.push(arguments[position++]); return executeBound(func, bound, this, this, args); }; return bound; }); partial.placeholder = _$1; // Create a function bound to a given object (assigning `this`, and arguments, // optionally). var bind = restArguments(function(func, context, args) { if (!isFunction$1(func)) throw new TypeError('Bind must be called on a function'); var bound = restArguments(function(callArgs) { return executeBound(func, bound, context, this, args.concat(callArgs)); }); return bound; }); // Internal helper for collection methods to determine whether a collection // should be iterated as an array or as an object. // Related: https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094 var isArrayLike = createSizePropertyCheck(getLength); // Internal implementation of a recursive `flatten` function. function flatten$1(input, depth, strict, output) { output = output || []; if (!depth && depth !== 0) { depth = Infinity; } else if (depth <= 0) { return output.concat(input); } var idx = output.length; for (var i = 0, length = getLength(input); i < length; i++) { var value = input[i]; if (isArrayLike(value) && (isArray(value) || isArguments$1(value))) { // Flatten current level of array or arguments object. if (depth > 1) { flatten$1(value, depth - 1, strict, output); idx = output.length; } else { var j = 0, len = value.length; while (j < len) output[idx++] = value[j++]; } } else if (!strict) { output[idx++] = value; } } return output; } // Bind a number of an object's methods to that object. Remaining arguments // are the method names to be bound. Useful for ensuring that all callbacks // defined on an object belong to it. var bindAll = restArguments(function(obj, keys) { keys = flatten$1(keys, false, false); var index = keys.length; if (index < 1) throw new Error('bindAll must be passed function names'); while (index--) { var key = keys[index]; obj[key] = bind(obj[key], obj); } return obj; }); // Memoize an expensive function by storing its results. function memoize(func, hasher) { var memoize = function(key) { var cache = memoize.cache; var address = '' + (hasher ? hasher.apply(this, arguments) : key); if (!has$1(cache, address)) cache[address] = func.apply(this, arguments); return cache[address]; }; memoize.cache = {}; return memoize; } // Delays a function for the given number of milliseconds, and then calls // it with the arguments supplied. var delay = restArguments(function(func, wait, args) { return setTimeout(function() { return func.apply(null, args); }, wait); }); // Defers a function, scheduling it to run after the current call stack has // cleared. var defer = partial(delay, _$1, 1); // Returns a function, that, when invoked, will only be triggered at most once // during a given window of time. Normally, the throttled function will run // as much as it can, without ever going more than once per `wait` duration; // but if you'd like to disable the execution on the leading edge, pass // `{leading: false}`. To disable execution on the trailing edge, ditto. function throttle(func, wait, options) { var timeout, context, args, result; var previous = 0; if (!options) options = {}; var later = function() { previous = options.leading === false ? 0 : now(); timeout = null; result = func.apply(context, args); if (!timeout) context = args = null; }; var throttled = function() { var _now = now(); if (!previous && options.leading === false) previous = _now; var remaining = wait - (_now - previous); context = this; args = arguments; if (remaining <= 0 || remaining > wait) { if (timeout) { clearTimeout(timeout); timeout = null; } previous = _now; result = func.apply(context, args); if (!timeout) context = args = null; } else if (!timeout && options.trailing !== false) { timeout = setTimeout(later, remaining); } return result; }; throttled.cancel = function() { clearTimeout(timeout); previous = 0; timeout = context = args = null; }; return throttled; } // When a sequence of calls of the returned function ends, the argument // function is triggered. The end of a sequence is defined by the `wait` // parameter. If `immediate` is passed, the argument function will be // triggered at the beginning of the sequence instead of at the end. function debounce(func, wait, immediate) { var timeout, previous, args, result, context; var later = function() { var passed = now() - previous; if (wait > passed) { timeout = setTimeout(later, wait - passed); } else { timeout = null; if (!immediate) result = func.apply(context, args); // This check is needed because `func` can recursively invoke `debounced`. if (!timeout) args = context = null; } }; var debounced = restArguments(function(_args) { context = this; args = _args; previous = now(); if (!timeout) { timeout = setTimeout(later, wait); if (immediate) result = func.apply(context, args); } return result; }); debounced.cancel = function() { clearTimeout(timeout); timeout = args = context = null; }; return debounced; } // Returns the first function passed as an argument to the second, // allowing you to adjust arguments, run code before and after, and // conditionally execute the original function. function wrap(func, wrapper) { return partial(wrapper, func); } // Returns a negated version of the passed-in predicate. function negate(predicate) { return function() { return !predicate.apply(this, arguments); }; } // Returns a function that is the composition of a list of functions, each // consuming the return value of the function that follows. function compose() { var args = arguments; var start = args.length - 1; return function() { var i = start; var result = args[start].apply(this, arguments); while (i--) result = args[i].call(this, result); return result; }; } // Returns a function that will only be executed on and after the Nth call. function after(times, func) { return function() { if (--times < 1) { return func.apply(this, arguments); } }; } // Returns a function that will only be executed up to (but not including) the // Nth call. function before(times, func) { var memo; return function() { if (--times > 0) { memo = func.apply(this, arguments); } if (times <= 1) func = null; return memo; }; } // Returns a function that will be executed at most one time, no matter how // often you call it. Useful for lazy initialization. var once = partial(before, 2); // Returns the first key on an object that passes a truth test. function findKey(obj, predicate, context) { predicate = cb(predicate, context); var _keys = keys(obj), key; for (var i = 0, length = _keys.length; i < length; i++) { key = _keys[i]; if (predicate(obj[key], key, obj)) return key; } } // Internal function to generate `_.findIndex` and `_.findLastIndex`. function createPredicateIndexFinder(dir) { return function(array, predicate, context) { predicate = cb(predicate, context); var length = getLength(array); var index = dir > 0 ? 0 : length - 1; for (; index >= 0 && index < length; index += dir) { if (predicate(array[index], index, array)) return index; } return -1; }; } // Returns the first index on an array-like that passes a truth test. var findIndex = createPredicateIndexFinder(1); // Returns the last index on an array-like that passes a truth test. var findLastIndex = createPredicateIndexFinder(-1); // Use a comparator function to figure out the smallest index at which // an object should be inserted so as to maintain order. Uses binary search. function sortedIndex(array, obj, iteratee, context) { iteratee = cb(iteratee, context, 1); var value = iteratee(obj); var low = 0, high = getLength(array); while (low < high) { var mid = Math.floor((low + high) / 2); if (iteratee(array[mid]) < value) low = mid + 1; else high = mid; } return low; } // Internal function to generate the `_.indexOf` and `_.lastIndexOf` functions. function createIndexFinder(dir, predicateFind, sortedIndex) { return function(array, item, idx) { var i = 0, length = getLength(array); if (typeof idx == 'number') { if (dir > 0) { i = idx >= 0 ? idx : Math.max(idx + length, i); } else { length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1; } } else if (sortedIndex && idx && length) { idx = sortedIndex(array, item); return array[idx] === item ? idx : -1; } if (item !== item) { idx = predicateFind(slice.call(array, i, length), isNaN$1); return idx >= 0 ? idx + i : -1; } for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) { if (array[idx] === item) return idx; } return -1; }; } // Return the position of the first occurrence of an item in an array, // or -1 if the item is not included in the array. // If the array is large and already in sort order, pass `true` // for **isSorted** to use binary search. var indexOf = createIndexFinder(1, findIndex, sortedIndex); // Return the position of the last occurrence of an item in an array, // or -1 if the item is not included in the array. var lastIndexOf = createIndexFinder(-1, findLastIndex); // Return the first value which passes a truth test. function find(obj, predicate, context) { var keyFinder = isArrayLike(obj) ? findIndex : findKey; var key = keyFinder(obj, predicate, context); if (key !== void 0 && key !== -1) return obj[key]; } // Convenience version of a common use case of `_.find`: getting the first // object containing specific `key:value` pairs. function findWhere(obj, attrs) { return find(obj, matcher(attrs)); } // The cornerstone for collection functions, an `each` // implementation, aka `forEach`. // Handles raw objects in addition to array-likes. Treats all // sparse array-likes as if they were dense. function each(obj, iteratee, context) { iteratee = optimizeCb(iteratee, context); var i, length; if (isArrayLike(obj)) { for (i = 0, length = obj.length; i < length; i++) { iteratee(obj[i], i, obj); } } else { var _keys = keys(obj); for (i = 0, length = _keys.length; i < length; i++) { iteratee(obj[_keys[i]], _keys[i], obj); } } return obj; } // Return the results of applying the iteratee to each element. function map(obj, iteratee, context) { iteratee = cb(iteratee, context); var _keys = !isArrayLike(obj) && keys(obj), length = (_keys || obj).length, results = Array(length); for (var index = 0; index < length; index++) { var currentKey = _keys ? _keys[index] : index; results[index] = iteratee(obj[currentKey], currentKey, obj); } return results; } // Internal helper to create a reducing function, iterating left or right. function createReduce(dir) { // Wrap code that reassigns argument variables in a separate function than // the one that accesses `arguments.length` to avoid a perf hit. (#1991) var reducer = function(obj, iteratee, memo, initial) { var _keys = !isArrayLike(obj) && keys(obj), length = (_keys || obj).length, index = dir > 0 ? 0 : length - 1; if (!initial) { memo = obj[_keys ? _keys[index] : index]; index += dir; } for (; index >= 0 && index < length; index += dir) { var currentKey = _keys ? _keys[index] : index; memo = iteratee(memo, obj[currentKey], currentKey, obj); } return memo; }; return function(obj, iteratee, memo, context) { var initial = arguments.length >= 3; return reducer(obj, optimizeCb(iteratee, context, 4), memo, initial); }; } // **Reduce** builds up a single result from a list of values, aka `inject`, // or `foldl`. var reduce = createReduce(1); // The right-associative version of reduce, also known as `foldr`. var reduceRight = createReduce(-1); // Return all the elements that pass a truth test. function filter(obj, predicate, context) { var results = []; predicate = cb(predicate, context); each(obj, function(value, index, list) { if (predicate(value, index, list)) results.push(value); }); return results; } // Return all the elements for which a truth test fails. function reject(obj, predicate, context) { return filter(obj, negate(cb(predicate)), context); } // Determine whether all of the elements pass a truth test. function every(obj, predicate, context) { predicate = cb(predicate, context); var _keys = !isArrayLike(obj) && keys(obj), length = (_keys || obj).length; for (var index = 0; index < length; index++) { var currentKey = _keys ? _keys[index] : index; if (!predicate(obj[currentKey], currentKey, obj)) return false; } return true; } // Determine if at least one element in the object passes a truth test. function some(obj, predicate, context) { predicate = cb(predicate, context); var _keys = !isArrayLike(obj) && keys(obj), length = (_keys || obj).length; for (var index = 0; index < length; index++) { var currentKey = _keys ? _keys[index] : index; if (predicate(obj[currentKey], currentKey, obj)) return true; } return false; } // Determine if the array or object contains a given item (using `===`). function contains(obj, item, fromIndex, guard) { if (!isArrayLike(obj)) obj = values(obj); if (typeof fromIndex != 'number' || guard) fromIndex = 0; return indexOf(obj, item, fromIndex) >= 0; } // Invoke a method (with arguments) on every item in a collection. var invoke = restArguments(function(obj, path, args) { var contextPath, func; if (isFunction$1(path)) { func = path; } else { path = toPath(path); contextPath = path.slice(0, -1); path = path[path.length - 1]; } return map(obj, function(context) { var method = func; if (!method) { if (contextPath && contextPath.length) { context = deepGet(context, contextPath); } if (context == null) return void 0; method = context[path]; } return method == null ? method : method.apply(context, args); }); }); // Convenience version of a common use case of `_.map`: fetching a property. function pluck(obj, key) { return map(obj, property(key)); } // Convenience version of a common use case of `_.filter`: selecting only // objects containing specific `key:value` pairs. function where(obj, attrs) { return filter(obj, matcher(attrs)); } // Return the maximum element (or element-based computation). function max(obj, iteratee, context) { var result = -Infinity, lastComputed = -Infinity, value, computed; if (iteratee == null || typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) { obj = isArrayLike(obj) ? obj : values(obj); for (var i = 0, length = obj.length; i < length; i++) { value = obj[i]; if (value != null && value > result) { result = value; } } } else { iteratee = cb(iteratee, context); each(obj, function(v, index, list) { computed = iteratee(v, index, list); if (computed > lastComputed || computed === -Infinity && result === -Infinity) { result = v; lastComputed = computed; } }); } return result; } // Return the minimum element (or element-based computation). function min(obj, iteratee, context) { var result = Infinity, lastComputed = Infinity, value, computed; if (iteratee == null || typeof iteratee == 'number' && typeof obj[0] != 'object' && obj != null) { obj = isArrayLike(obj) ? obj : values(obj); for (var i = 0, length = obj.length; i < length; i++) { value = obj[i]; if (value != null && value < result) { result = value; } } } else { iteratee = cb(iteratee, context); each(obj, function(v, index, list) { computed = iteratee(v, index, list); if (computed < lastComputed || computed === Infinity && result === Infinity) { result = v; lastComputed = computed; } }); } return result; } // Sample **n** random values from a collection using the modern version of the // [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher–Yates_shuffle). // If **n** is not specified, returns a single random element. // The internal `guard` argument allows it to work with `_.map`. function sample(obj, n, guard) { if (n == null || guard) { if (!isArrayLike(obj)) obj = values(obj); return obj[random(obj.length - 1)]; } var sample = isArrayLike(obj) ? clone(obj) : values(obj); var length = getLength(sample); n = Math.max(Math.min(n, length), 0); var last = length - 1; for (var index = 0; index < n; index++) { var rand = random(index, last); var temp = sample[index]; sample[index] = sample[rand]; sample[rand] = temp; } return sample.slice(0, n); } // Shuffle a collection. function shuffle(obj) { return sample(obj, Infinity); } // Sort the object's values by a criterion produced by an iteratee. function sortBy(obj, iteratee, context) { var index = 0; iteratee = cb(iteratee, context); return pluck(map(obj, function(value, key, list) { return { value: value, index: index++, criteria: iteratee(value, key, list) }; }).sort(function(left, right) { var a = left.criteria; var b = right.criteria; if (a !== b) { if (a > b || a === void 0) return 1; if (a < b || b === void 0) return -1; } return left.index - right.index; }), 'value'); } // An internal function used for aggregate "group by" operations. function group(behavior, partition) { return function(obj, iteratee, context) { var result = partition ? [[], []] : {}; iteratee = cb(iteratee, context); each(obj, function(value, index) { var key = iteratee(value, index, obj); behavior(result, value, key); }); return result; }; } // Groups the object's values by a criterion. Pass either a string attribute // to group by, or a function that returns the criterion. var groupBy = group(function(result, value, key) { if (has$1(result, key)) result[key].push(value); else result[key] = [value]; }); // Indexes the object's values by a criterion, similar to `_.groupBy`, but for // when you know that your index values will be unique. var indexBy = group(function(result, value, key) { result[key] = value; }); // Counts instances of an object that group by a certain criterion. Pass // either a string attribute to count by, or a function that returns the // criterion. var countBy = group(function(result, value, key) { if (has$1(result, key)) result[key]++; else result[key] = 1; }); // Split a collection into two arrays: one whose elements all pass the given // truth test, and one whose elements all do not pass the truth test. var partition = group(function(result, value, pass) { result[pass ? 0 : 1].push(value); }, true); // Safely create a real, live array from anything iterable. var reStrSymbol = /[^\ud800-\udfff]|[\ud800-\udbff][\udc00-\udfff]|[\ud800-\udfff]/g; function toArray(obj) { if (!obj) return []; if (isArray(obj)) return slice.call(obj); if (isString(obj)) { // Keep surrogate pair characters together. return obj.match(reStrSymbol); } if (isArrayLike(obj)) return map(obj, identity); return values(obj); } // Return the number of elements in a collection. function size(obj) { if (obj == null) return 0; return isArrayLike(obj) ? obj.length : keys(obj).length; } // Internal `_.pick` helper function to determine whether `key` is an enumerable // property name of `obj`. function keyInObj(value, key, obj) { return key in obj; } // Return a copy of the object only containing the allowed properties. var pick = restArguments(function(obj, keys) { var result = {}, iteratee = keys[0]; if (obj == null) return result; if (isFunction$1(iteratee)) { if (keys.length > 1) iteratee = optimizeCb(iteratee, keys[1]); keys = allKeys(obj); } else { iteratee = keyInObj; keys = flatten$1(keys, false, false); obj = Object(obj); } for (var i = 0, length = keys.length; i < length; i++) { var key = keys[i]; var value = obj[key]; if (iteratee(value, key, obj)) result[key] = value; } return result; }); // Return a copy of the object without the disallowed properties. var omit = restArguments(function(obj, keys) { var iteratee = keys[0], context; if (isFunction$1(iteratee)) { iteratee = negate(iteratee); if (keys.length > 1) context = keys[1]; } else { keys = map(flatten$1(keys, false, false), String); iteratee = function(value, key) { return !contains(keys, key); }; } return pick(obj, iteratee, context); }); // Returns everything but the last entry of the array. Especially useful on // the arguments object. Passing **n** will return all the values in // the array, excluding the last N. function initial(array, n, guard) { return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n))); } // Get the first element of an array. Passing **n** will return the first N // values in the array. The **guard** check allows it to work with `_.map`. function first(array, n, guard) { if (array == null || array.length < 1) return n == null || guard ? void 0 : []; if (n == null || guard) return array[0]; return initial(array, array.length - n); } // Returns everything but the first entry of the `array`. Especially useful on // the `arguments` object. Passing an **n** will return the rest N values in the // `array`. function rest(array, n, guard) { return slice.call(array, n == null || guard ? 1 : n); } // Get the last element of an array. Passing **n** will return the last N // values in the array. function last(array, n, guard) { if (array == null || array.length < 1) return n == null || guard ? void 0 : []; if (n == null || guard) return array[array.length - 1]; return rest(array, Math.max(0, array.length - n)); } // Trim out all falsy values from an array. function compact(array) { return filter(array, Boolean); } // Flatten out an array, either recursively (by default), or up to `depth`. // Passing `true` or `false` as `depth` means `1` or `Infinity`, respectively. function flatten(array, depth) { return flatten$1(array, depth, false); } // Take the difference between one array and a number of other arrays. // Only the elements present in just the first array will remain. var difference = restArguments(function(array, rest) { rest = flatten$1(rest, true, true); return filter(array, function(value){ return !contains(rest, value); }); }); // Return a version of the array that does not contain the specified value(s). var without = restArguments(function(array, otherArrays) { return difference(array, otherArrays); }); // Produce a duplicate-free version of the array. If the array has already // been sorted, you have the option of using a faster algorithm. // The faster algorithm will not work with an iteratee if the iteratee // is not a one-to-one function, so providing an iteratee will disable // the faster algorithm. function uniq(array, isSorted, iteratee, context) { if (!isBoolean(isSorted)) { context = iteratee; iteratee = isSorted; isSorted = false; } if (iteratee != null) iteratee = cb(iteratee, context); var result = []; var seen = []; for (var i = 0, length = getLength(array); i < length; i++) { var value = array[i], computed = iteratee ? iteratee(value, i, array) : value; if (isSorted && !iteratee) { if (!i || seen !== computed) result.push(value); seen = computed; } else if (iteratee) { if (!contains(seen, computed)) { seen.push(computed); result.push(value); } } else if (!contains(result, value)) { result.push(value); } } return result; } // Produce an array that contains the union: each distinct element from all of // the passed-in arrays. var union = restArguments(function(arrays) { return uniq(flatten$1(arrays, true, true)); }); // Produce an array that contains every item shared between all the // passed-in arrays. function intersection(array) { var result = []; var argsLength = arguments.length; for (var i = 0, length = getLength(array); i < length; i++) { var item = array[i]; if (contains(result, item)) continue; var j; for (j = 1; j < argsLength; j++) { if (!contains(arguments[j], item)) break; } if (j === argsLength) result.push(item); } return result; } // Complement of zip. Unzip accepts an array of arrays and groups // each array's elements on shared indices. function unzip(array) { var length = array && max(array, getLength).length || 0; var result = Array(length); for (var index = 0; index < length; index++) { result[index] = pluck(array, index); } return result; } // Zip together multiple lists into a single array -- elements that share // an index go together. var zip = restArguments(unzip); // Converts lists into objects. Pass either a single array of `[key, value]` // pairs, or two parallel arrays of the same length -- one of keys, and one of // the corresponding values. Passing by pairs is the reverse of `_.pairs`. function object(list, values) { var result = {}; for (var i = 0, length = getLength(list); i < length; i++) { if (values) { result[list[i]] = values[i]; } else { result[list[i][0]] = list[i][1]; } } return result; } // Generate an integer Array containing an arithmetic progression. A port of // the native Python `range()` function. 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@@ -1,1 +1,1 @@Search.setIndex({"docnames": ["C01_Introduction", "C02_Basics", "C03_Logic", "C04_Sets_and_Functions", "C05_Elementary_Number_Theory", "C06_Structures", "C07_Hierarchies", "C08_Topology", "C09_Differential_Calculus", "C10_Integration_and_Measure_Theory", "genindex", "index"], "filenames": ["C01_Introduction.rst", "C02_Basics.rst", "C03_Logic.rst", "C04_Sets_and_Functions.rst", "C05_Elementary_Number_Theory.rst", "C06_Structures.rst", "C07_Hierarchies.rst", "C08_Topology.rst", "C09_Differential_Calculus.rst", "C10_Integration_and_Measure_Theory.rst", "genindex.rst", "index.rst"], "titles": ["<span class=\"section-number\">1. </span>Introduction", "<span class=\"section-number\">2. </span>Basics", "<span class=\"section-number\">3. </span>Logic", "<span class=\"section-number\">4. </span>Sets and Functions", "<span class=\"section-number\">5. </span>Elementary Number Theory", "<span class=\"section-number\">6. </span>Structures", "<span class=\"section-number\">7. 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