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denoland-deno/cli/js/ops/fs/utime.ts
Bartek Iwańczuk b7eb241c35
reorg: move JS ops implementations to cli/js/ops/, part 3 (#4302)
Following JS ops were moved to separate files in cli/js/ops directory:
- net
- tls
- fs
2020-03-10 00:22:15 +01:00

50 lines
1.5 KiB
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "../dispatch_json.ts";
function toSecondsFromEpoch(v: number | Date): number {
return v instanceof Date ? v.valueOf() / 1000 : v;
}
/** **UNSTABLE**: needs investigation into high precision time.
*
* Synchronously changes the access and modification times of a file system
* object referenced by `path`. Given times are either in seconds (UNIX epoch
* time) or as `Date` objects.
*
* Deno.utimeSync("myfile.txt", 1556495550, new Date());
*
* Requires `allow-write` permission. */
export function utimeSync(
path: string,
atime: number | Date,
mtime: number | Date
): void {
sendSync("op_utime", {
path,
// TODO(ry) split atime, mtime into [seconds, nanoseconds] tuple
atime: toSecondsFromEpoch(atime),
mtime: toSecondsFromEpoch(mtime)
});
}
/** **UNSTABLE**: needs investigation into high precision time.
*
* Changes the access and modification times of a file system object
* referenced by `path`. Given times are either in seconds (UNIX epoch time)
* or as `Date` objects.
*
* await Deno.utime("myfile.txt", 1556495550, new Date());
*
* Requires `allow-write` permission. */
export async function utime(
path: string,
atime: number | Date,
mtime: number | Date
): Promise<void> {
await sendAsync("op_utime", {
path,
// TODO(ry) split atime, mtime into [seconds, nanoseconds] tuple
atime: toSecondsFromEpoch(atime),
mtime: toSecondsFromEpoch(mtime)
});
}