mirror of
https://github.com/denoland/deno.git
synced 2024-11-02 09:34:19 -04:00
22 lines
533 B
TypeScript
22 lines
533 B
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
import { sendSync, sendAsync } from "../dispatch_json.ts";
|
|
|
|
function coerceLen(len?: number): number {
|
|
if (!len) {
|
|
return 0;
|
|
}
|
|
|
|
if (len < 0) {
|
|
return 0;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
export function truncateSync(path: string, len?: number): void {
|
|
sendSync("op_truncate", { path, len: coerceLen(len) });
|
|
}
|
|
|
|
export async function truncate(path: string, len?: number): Promise<void> {
|
|
await sendAsync("op_truncate", { path, len: coerceLen(len) });
|
|
}
|