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denoland-deno/ext/node/polyfills/_fs/_fs_symlink.ts

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TypeScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// TODO(petamoriken): enable prefer-primordials for node polyfills
// deno-lint-ignore-file prefer-primordials
import { CallbackWithError } from "ext:deno_node/_fs/_fs_common.ts";
import { pathFromURL } from "ext:deno_web/00_infra.js";
import { promisify } from "ext:deno_node/internal/util.mjs";
type SymlinkType = "file" | "dir";
export function symlink(
target: string | URL,
path: string | URL,
typeOrCallback: SymlinkType | CallbackWithError,
maybeCallback?: CallbackWithError,
) {
target = target instanceof URL ? pathFromURL(target) : target;
path = path instanceof URL ? pathFromURL(path) : path;
const type: SymlinkType = typeof typeOrCallback === "string"
? typeOrCallback
: "file";
const callback: CallbackWithError = typeof typeOrCallback === "function"
? typeOrCallback
: (maybeCallback as CallbackWithError);
if (!callback) throw new Error("No callback function supplied");
Deno.symlink(target, path, { type }).then(() => callback(null), callback);
}
export const symlinkPromise = promisify(symlink) as (
target: string | URL,
path: string | URL,
type?: SymlinkType,
) => Promise<void>;
export function symlinkSync(
target: string | URL,
path: string | URL,
type?: SymlinkType,
) {
target = target instanceof URL ? pathFromURL(target) : target;
path = path instanceof URL ? pathFromURL(path) : path;
type = type || "file";
Deno.symlinkSync(target, path, { type });
}