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denoland-deno/ext/node/polyfills/timers.ts
Matt Mastracci 736b91edd0
perf(cli): use new deno_core timers (#22569)
Improves #19100 

Fixes #20356

Replaces #20428



Changes made in deno_core to support this:

 - [x] Errors must be handled in setTimeout callbacks
 - [x] Microtask ordering is not-quite-right
 - [x] Timer cancellation must be checked right before dispatch
 - [x] Timer sanitizer
 - [x] Move high-res timer to deno_core
 - [x] Timers need opcall tracing
2024-03-01 11:15:18 -07:00

91 lines
2.5 KiB
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// TODO(petamoriken): enable prefer-primordials for node polyfills
// deno-lint-ignore-file prefer-primordials
import { primordials } from "ext:core/mod.js";
const {
MapPrototypeGet,
MapPrototypeDelete,
} = primordials;
import {
activeTimers,
setUnrefTimeout,
Timeout,
} from "ext:deno_node/internal/timers.mjs";
import { validateFunction } from "ext:deno_node/internal/validators.mjs";
import { promisify } from "ext:deno_node/internal/util.mjs";
export { setUnrefTimeout } from "ext:deno_node/internal/timers.mjs";
import * as timers from "ext:deno_web/02_timers.js";
const clearTimeout_ = timers.clearTimeout;
const clearInterval_ = timers.clearInterval;
const setImmediate_ = timers.setImmediate;
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;
}
const id = +timeout;
const timer = MapPrototypeGet(activeTimers, id);
if (timer) {
timeout._destroyed = true;
MapPrototypeDelete(activeTimers, id);
}
clearTimeout_(id);
}
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;
}
const id = +timeout;
const timer = MapPrototypeGet(activeTimers, id);
if (timer) {
timeout._destroyed = true;
MapPrototypeDelete(activeTimers, id);
}
clearInterval_(id);
}
// 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 function setImmediate(
cb: (...args: unknown[]) => void,
...args: unknown[]
): Timeout {
return setImmediate_(cb, ...args);
}
export const clearImmediate = clearTimeout;
export default {
setTimeout,
clearTimeout,
setInterval,
clearInterval,
setImmediate,
setUnrefTimeout,
clearImmediate,
};