1 files changed, 11 insertions, 0 deletions
diff --git a/utils.js b/utils.js
new file mode 100644
index 0000000..ed21d46
--- /dev/null
+++ b/utils.js
@@ -0,0 +1,11 @@
+export function randomString() {
+  return Math.random().toString(36).substr(2)
+}
+
+export async function sha256(input) {
+  const encoder = new TextEncoder()
+  const inputBytes = encoder.encode(input)
+  const outputBuffer = await crypto.subtle.digest('SHA-256', inputBytes)
+  const outputArray = Array.from(new Uint8Array(outputBuffer))
+  return outputArray.map(b => b.toString(16).padStart(2, '0')).join('')
+}