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denoland-deno/js/copy_file.ts
Ryan Dahl d43b43ca78
Refactor snapshot build (#2825)
Instead of using core/snapshot_creator.rs, instead two crates are
introduced which allow building the snapshot during build.rs.

Rollup is removed and replaced with our own bundler. This removes
the Node build dependency. Modules in //js now use Deno-style imports
with file extensions, rather than Node style extensionless imports.

This improves incremental build time when changes are made to //js files
by about 40 seconds.
2019-09-02 17:07:11 -04:00

30 lines
1.1 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "./dispatch_json.ts";
import * as dispatch from "./dispatch.ts";
/** Copies the contents of a file to another by name synchronously.
* Creates a new file if target does not exists, and if target exists,
* overwrites original content of the target file.
*
* It would also copy the permission of the original file
* to the destination.
*
* Deno.copyFileSync("from.txt", "to.txt");
*/
export function copyFileSync(from: string, to: string): void {
sendSync(dispatch.OP_COPY_FILE, { from, to });
}
/** Copies the contents of a file to another by name.
*
* Creates a new file if target does not exists, and if target exists,
* overwrites original content of the target file.
*
* It would also copy the permission of the original file
* to the destination.
*
* await Deno.copyFile("from.txt", "to.txt");
*/
export async function copyFile(from: string, to: string): Promise<void> {
await sendAsync(dispatch.OP_COPY_FILE, { from, to });
}