提交

src/utils/idempotencyKey.ts

@@ -0,0 +1,18 @@
+export function createIdempotencyKey(prefix = 'client') {
+  const nativeUuid = globalThis.crypto?.randomUUID
+  if (typeof nativeUuid === 'function') return nativeUuid.call(globalThis.crypto)
+
+  const bytes = new Uint8Array(16)
+  if (typeof globalThis.crypto?.getRandomValues === 'function') {
+    globalThis.crypto.getRandomValues(bytes)
+  } else {
+    for (let index = 0; index < bytes.length; index += 1) {
+      bytes[index] = Math.floor(Math.random() * 256)
+    }
+  }
+  bytes[6] = (bytes[6] & 0x0f) | 0x40
+  bytes[8] = (bytes[8] & 0x3f) | 0x80
+  const hex = Array.from(bytes, value => value.toString(16).padStart(2, '0')).join('')
+  const uuid = `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`
+  return prefix ? `${prefix}-${uuid}` : uuid
+}