1 files changed, 65 insertions, 0 deletions
diff --git a/ext/node/polyfills/timers.ts b/ext/node/polyfills/timers.ts
new file mode 100644
index 000000000..57ff71a38
--- /dev/null
+++ b/ext/node/polyfills/timers.ts
@@ -0,0 +1,65 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+import {
+  setUnrefTimeout,
+  Timeout,
+} from "internal:deno_node/polyfills/internal/timers.mjs";
+import { validateFunction } from "internal:deno_node/polyfills/internal/validators.mjs";
+import { promisify } from "internal:deno_node/polyfills/internal/util.mjs";
+export { setUnrefTimeout } from "internal:deno_node/polyfills/internal/timers.mjs";
+
+const clearTimeout_ = globalThis.clearTimeout;
+const clearInterval_ = globalThis.clearInterval;
+
+export function setTimeout(
+  callback: (...args: unknown[]) => void,
+  timeout?: number,
+  ...args: unknown[]
+) {
+  validateFunction(callback, "callback");
+  return new Timeout(callback, timeout, args, false, true);
+}
+
+Object.defineProperty(setTimeout, promisify.custom, {
+  value: (timeout: number, ...args: unknown[]) => {
+    return new Promise((cb) => setTimeout(cb, timeout, ...args));
+  },
+  enumerable: true,
+});
+export function clearTimeout(timeout?: Timeout | number) {
+  if (timeout == null) {
+    return;
+  }
+  clearTimeout_(+timeout);
+}
+export function setInterval(
+  callback: (...args: unknown[]) => void,
+  timeout?: number,
+  ...args: unknown[]
+) {
+  validateFunction(callback, "callback");
+  return new Timeout(callback, timeout, args, true, true);
+}
+export function clearInterval(timeout?: Timeout | number | string) {
+  if (timeout == null) {
+    return;
+  }
+  clearInterval_(+timeout);
+}
+// TODO(bartlomieju): implement the 'NodeJS.Immediate' versions of the timers.
+// https://github.com/DefinitelyTyped/DefinitelyTyped/blob/1163ead296d84e7a3c80d71e7c81ecbd1a130e9a/types/node/v12/globals.d.ts#L1120-L1131
+export const setImmediate = (
+  cb: (...args: unknown[]) => void,
+  ...args: unknown[]
+): Timeout => setTimeout(cb, 0, ...args);
+export const clearImmediate = clearTimeout;
+
+export default {
+  setTimeout,
+  clearTimeout,
+  setInterval,
+  clearInterval,
+  setImmediate,
+  setUnrefTimeout,
+  clearImmediate,
+};