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denoland-deno/ext/node/polyfills/timers.ts

117 lines
2.8 KiB
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { primordials } from "ext:core/mod.js";
const {
MapPrototypeGet,
MapPrototypeDelete,
ObjectDefineProperty,
Promise,
SafeArrayIterator,
} = primordials;
import {
activeTimers,
Immediate,
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;
export function setTimeout(
callback: (...args: unknown[]) => void,
timeout?: number,
...args: unknown[]
) {
validateFunction(callback, "callback");
return new Timeout(callback, timeout, args, false, true);
}
ObjectDefineProperty(setTimeout, promisify.custom, {
__proto__: null,
value: (timeout: number, ...args: unknown[]) => {
return new Promise((cb) =>
setTimeout(cb, timeout, ...new SafeArrayIterator(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);
}
export function setImmediate(
cb: (...args: unknown[]) => void,
...args: unknown[]
): Timeout {
return new Immediate(cb, ...new SafeArrayIterator(args));
}
export function clearImmediate(immediate: Immediate) {
if (immediate == null) {
return;
}
// FIXME(nathanwhit): will probably change once
// deno_core has proper support for immediates
clearTimeout_(immediate._immediateId);
}
export const promises = {
setTimeout: promisify(setTimeout),
setImmediate: promisify(setImmediate),
setInterval: promisify(setInterval),
};
promises.scheduler = {
async wait(
delay: number,
options?: { signal?: AbortSignal },
): Promise<void> {
return await promises.setTimeout(delay, undefined, options);
},
yield: promises.setImmediate,
};
export default {
setTimeout,
clearTimeout,
setInterval,
clearInterval,
setImmediate,
setUnrefTimeout,
clearImmediate,
promises,
};