/**
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* The `timer` module exposes a global API for scheduling functions to
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* be called at some future period of time. Because the timer functions are
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* globals, there is no need to call `require('timers')` to use the API.
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*
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* The timer functions within Node.js implement a similar API as the timers API
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* provided by Web Browsers but use a different internal implementation that is
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* built around the Node.js [Event Loop](https://nodejs.org/en/docs/guides/event-loop-timers-and-nexttick/#setimmediate-vs-settimeout).
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* @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/timers.js)
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*/
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declare module 'timers' {
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import { Abortable } from 'node:events';
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import { setTimeout as setTimeoutPromise, setImmediate as setImmediatePromise, setInterval as setIntervalPromise } from 'node:timers/promises';
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interface TimerOptions extends Abortable {
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/**
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* Set to `false` to indicate that the scheduled `Timeout`
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* should not require the Node.js event loop to remain active.
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* @default true
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*/
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ref?: boolean | undefined;
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}
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let setTimeout: typeof global.setTimeout;
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let clearTimeout: typeof global.clearTimeout;
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let setInterval: typeof global.setInterval;
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let clearInterval: typeof global.clearInterval;
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let setImmediate: typeof global.setImmediate;
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let clearImmediate: typeof global.clearImmediate;
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global {
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namespace NodeJS {
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// compatibility with older typings
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interface Timer extends RefCounted {
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hasRef(): boolean;
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refresh(): this;
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[Symbol.toPrimitive](): number;
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}
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interface Immediate extends RefCounted {
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/**
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* If true, the `Immediate` object will keep the Node.js event loop active.
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* @since v11.0.0
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*/
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hasRef(): boolean;
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_onImmediate: Function; // to distinguish it from the Timeout class
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}
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interface Timeout extends Timer {
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/**
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* If true, the `Timeout` object will keep the Node.js event loop active.
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* @since v11.0.0
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*/
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hasRef(): boolean;
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/**
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* Sets the timer's start time to the current time, and reschedules the timer to
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* call its callback at the previously specified duration adjusted to the current
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* time. This is useful for refreshing a timer without allocating a new
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* JavaScript object.
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*
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* Using this on a timer that has already called its callback will reactivate the
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* timer.
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* @since v10.2.0
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* @return a reference to `timeout`
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*/
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refresh(): this;
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[Symbol.toPrimitive](): number;
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}
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}
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function setTimeout<TArgs extends any[]>(callback: (...args: TArgs) => void, ms?: number, ...args: TArgs): NodeJS.Timeout;
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// util.promisify no rest args compability
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// tslint:disable-next-line void-return
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function setTimeout(callback: (args: void) => void, ms?: number): NodeJS.Timeout;
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namespace setTimeout {
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const __promisify__: typeof setTimeoutPromise;
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}
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function clearTimeout(timeoutId: NodeJS.Timeout | string | number | undefined): void;
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function setInterval<TArgs extends any[]>(callback: (...args: TArgs) => void, ms?: number, ...args: TArgs): NodeJS.Timer;
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// util.promisify no rest args compability
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// tslint:disable-next-line void-return
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function setInterval(callback: (args: void) => void, ms?: number): NodeJS.Timer;
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namespace setInterval {
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const __promisify__: typeof setIntervalPromise;
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}
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function clearInterval(intervalId: NodeJS.Timeout | string | number | undefined): void;
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function setImmediate<TArgs extends any[]>(callback: (...args: TArgs) => void, ...args: TArgs): NodeJS.Immediate;
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// util.promisify no rest args compability
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// tslint:disable-next-line void-return
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function setImmediate(callback: (args: void) => void): NodeJS.Immediate;
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namespace setImmediate {
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const __promisify__: typeof setImmediatePromise;
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}
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function clearImmediate(immediateId: NodeJS.Immediate | undefined): void;
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function queueMicrotask(callback: () => void): void;
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}
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}
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declare module 'node:timers' {
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export * from 'timers';
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}
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