mirror of
https://github.com/denoland/deno.git
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0b4f73cf9d
Original: 1805c18ac7
74 lines
1.7 KiB
TypeScript
74 lines
1.7 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import * as path from "./path/mod.ts";
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import { exists, existsSync } from "./exists.ts";
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interface MoveOptions {
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overwrite?: boolean;
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}
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function isSrcSubdir(src: string, dest: string): boolean {
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const srcArray = src.split(path.sep);
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const destArray = dest.split(path.sep);
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return srcArray.reduce((acc, current, i) => {
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return acc && destArray[i] === current;
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}, true);
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}
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/** Moves a file or directory */
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export async function move(
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src: string,
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dest: string,
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options?: MoveOptions
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): Promise<void> {
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src = path.resolve(src);
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dest = path.resolve(dest);
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const srcStat = await Deno.stat(src);
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if (srcStat.isDirectory() && isSrcSubdir(src, dest)) {
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throw new Error(
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`Cannot move '${src}' to a subdirectory of itself, '${dest}'.`
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);
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}
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if (options && options.overwrite) {
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await Deno.remove(dest, { recursive: true });
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await Deno.rename(src, dest);
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} else {
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if (await exists(dest)) {
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throw new Error("dest already exists.");
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}
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await Deno.rename(src, dest);
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}
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return;
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}
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/** Moves a file or directory */
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export function moveSync(
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src: string,
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dest: string,
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options?: MoveOptions
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): void {
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src = path.resolve(src);
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dest = path.resolve(dest);
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const srcStat = Deno.statSync(src);
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if (srcStat.isDirectory() && isSrcSubdir(src, dest)) {
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throw new Error(
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`Cannot move '${src}' to a subdirectory of itself, '${dest}'.`
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);
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}
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if (options && options.overwrite) {
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Deno.removeSync(dest, { recursive: true });
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Deno.renameSync(src, dest);
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} else {
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if (existsSync(dest)) {
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throw new Error("dest already exists.");
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}
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Deno.renameSync(src, dest);
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}
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}
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