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denoland-deno/ext/node/polyfills/timers.ts
Bartek Iwańczuk b40086fd7d
refactor(core): include_js_files! 'dir' option doesn't change specifiers (#18019)
This commit changes "include_js_files!" macro from "deno_core"
in a way that "dir" option doesn't cause specifiers to be rewritten 
to include it.

Example:
```
include_js_files! {
  dir "js",
  "hello.js",
}
```

The above definition required embedders to use:
`import ... from "internal:<ext_name>/js/hello.js"`. 
But with this change, the "js" directory in which the files are stored
is an implementation detail, which for embedders results in: 
`import ... from "internal:<ext_name>/hello.js"`.

The directory the files are stored in, is an implementation detail and 
in some cases might result in a significant size difference for the 
snapshot. As an example, in "deno_node" extension, we store the 
source code in "polyfills" directory; which resulted in each specifier 
to look like "internal:deno_node/polyfills/<module_name>", but with 
this change it's "internal:deno_node/<module_name>". 

Given that "deno_node" has over 100 files, many of them having 
several import specifiers to the same extension, this change removes
10 characters from each import specifier.
2023-03-05 02:31:38 +00:00

66 lines
1.9 KiB
TypeScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import {
setUnrefTimeout,
Timeout,
} from "internal:deno_node/internal/timers.mjs";
import { validateFunction } from "internal:deno_node/internal/validators.mjs";
import { promisify } from "internal:deno_node/internal/util.mjs";
export { setUnrefTimeout } from "internal:deno_node/internal/timers.mjs";
import * as timers from "internal: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);
}
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,
};