部署优化

tests/browser-uuid.test.mjs

@@ -0,0 +1,48 @@
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+import test from "node:test";
+import vm from "node:vm";
+
+const appSource = await readFile(new URL("../app.js", import.meta.url), "utf8");
+const helperStart = appSource.indexOf("function createUuid");
+const helperEnd = appSource.indexOf("\n\nfunction mapApiOwner", helperStart);
+assert.notEqual(helperStart, -1, "createUuid helper should exist");
+assert.notEqual(helperEnd, -1, "createUuid helper should end before API mappers");
+
+function loadCreateUuid(windowObject) {
+  const context = { window: windowObject };
+  vm.runInNewContext(`${appSource.slice(helperStart, helperEnd)}\nglobalThis.createUuid = createUuid;`, context);
+  return context.createUuid;
+}
+
+test("UUID generation falls back when crypto.randomUUID is unavailable", () => {
+  let next = 0;
+  const createUuid = loadCreateUuid({
+    crypto: {
+      getRandomValues(bytes) {
+        for (let index = 0; index < bytes.length; index += 1) {
+          bytes[index] = next;
+          next = (next + 17) % 256;
+        }
+        return bytes;
+      }
+    }
+  });
+
+  assert.match(
+    createUuid(),
+    /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/
+  );
+});
+
+test("UUID generation uses native randomUUID when it is available", () => {
+  const createUuid = loadCreateUuid({
+    crypto: {
+      randomUUID() {
+        return "00000000-0000-4000-8000-000000000123";
+      }
+    }
+  });
+
+  assert.equal(createUuid(), "00000000-0000-4000-8000-000000000123");
+});