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denoland-deno/js/utime.ts
Ryan Dahl bdc97b3976
Organize dispatch a bit (#2796)
Just some clean up reorganization around flatbuffer/minimal dispatch
code. This is prep for adding a JSON dispatcher.
2019-08-21 20:42:48 -04:00

50 lines
1.7 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync, msg, flatbuffers } from "./dispatch_flatbuffers";
import * as util from "./util";
function req(
filename: string,
atime: number | Date,
mtime: number | Date
): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
const atimeSec = atime instanceof Date ? Math.floor(+atime / 1000) : atime;
const mtimeSec = mtime instanceof Date ? Math.floor(+mtime / 1000) : mtime;
const builder = flatbuffers.createBuilder();
const filename_ = builder.createString(filename);
const atimeParts = util.splitNumberToParts(atimeSec);
const atimeMS_ = builder.createLong(atimeParts[0], atimeParts[1]);
const mtimeParts = util.splitNumberToParts(mtimeSec);
const mtimeMS_ = builder.createLong(mtimeParts[0], mtimeParts[1]);
const inner = msg.Utime.createUtime(builder, filename_, atimeMS_, mtimeMS_);
return [builder, msg.Any.Utime, inner];
}
/** Synchronously changes the access and modification times of a file system
* object referenced by `filename`. Given times are either in seconds
* (Unix epoch time) or as `Date` objects.
*
* Deno.utimeSync("myfile.txt", 1556495550, new Date());
*/
export function utimeSync(
filename: string,
atime: number | Date,
mtime: number | Date
): void {
sendSync(...req(filename, atime, mtime));
}
/** Changes the access and modification times of a file system object
* referenced by `filename`. Given times are either in seconds
* (Unix epoch time) or as `Date` objects.
*
* await Deno.utime("myfile.txt", 1556495550, new Date());
*/
export async function utime(
filename: string,
atime: number | Date,
mtime: number | Date
): Promise<void> {
await sendAsync(...req(filename, atime, mtime));
}