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a59f5eadd8
This commit adds "std/_util/os.ts" module which contains common os detection logic and is browser compatible. Co-authored-by: Nayeem Rahman <nayeemrmn99@gmail.com>
72 lines
2.1 KiB
TypeScript
72 lines
2.1 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import * as path from "../path/mod.ts";
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import { ensureDir, ensureDirSync } from "./ensure_dir.ts";
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import { exists, existsSync } from "./exists.ts";
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import { getFileInfoType } from "./_util.ts";
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import { isWindows } from "../_util/os.ts";
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/**
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* Ensures that the link exists.
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* If the directory structure does not exist, it is created.
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*
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* @param src the source file path
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* @param dest the destination link path
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*/
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export async function ensureSymlink(src: string, dest: string): Promise<void> {
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const srcStatInfo = await Deno.lstat(src);
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const srcFilePathType = getFileInfoType(srcStatInfo);
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if (await exists(dest)) {
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const destStatInfo = await Deno.lstat(dest);
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const destFilePathType = getFileInfoType(destStatInfo);
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if (destFilePathType !== "symlink") {
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throw new Error(
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`Ensure path exists, expected 'symlink', got '${destFilePathType}'`,
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);
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}
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return;
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}
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await ensureDir(path.dirname(dest));
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const options: Deno.SymlinkOptions | undefined = isWindows
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? {
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type: srcFilePathType === "dir" ? "dir" : "file",
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}
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: undefined;
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await Deno.symlink(src, dest, options);
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}
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/**
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* Ensures that the link exists.
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* If the directory structure does not exist, it is created.
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*
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* @param src the source file path
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* @param dest the destination link path
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*/
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export function ensureSymlinkSync(src: string, dest: string): void {
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const srcStatInfo = Deno.lstatSync(src);
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const srcFilePathType = getFileInfoType(srcStatInfo);
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if (existsSync(dest)) {
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const destStatInfo = Deno.lstatSync(dest);
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const destFilePathType = getFileInfoType(destStatInfo);
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if (destFilePathType !== "symlink") {
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throw new Error(
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`Ensure path exists, expected 'symlink', got '${destFilePathType}'`,
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);
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}
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return;
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}
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ensureDirSync(path.dirname(dest));
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const options: Deno.SymlinkOptions | undefined = isWindows
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? {
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type: srcFilePathType === "dir" ? "dir" : "file",
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}
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: undefined;
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Deno.symlinkSync(src, dest, options);
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}
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