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denoland-deno/ext/node/polyfills/_fs/_fs_symlink.ts
Bartek Iwańczuk ce75e31625 refactor(core): include_js_files! 'dir' option doesn't change specifiers (#18019)
This commit changes "include_js_files!" macro from "deno_core"
in a way that "dir" option doesn't cause specifiers to be rewritten 
to include it.

Example:
```
include_js_files! {
  dir "js",
  "hello.js",
}
```

The above definition required embedders to use:
`import ... from "internal:<ext_name>/js/hello.js"`. 
But with this change, the "js" directory in which the files are stored
is an implementation detail, which for embedders results in: 
`import ... from "internal:<ext_name>/hello.js"`.

The directory the files are stored in, is an implementation detail and 
in some cases might result in a significant size difference for the 
snapshot. As an example, in "deno_node" extension, we store the 
source code in "polyfills" directory; which resulted in each specifier 
to look like "internal:deno_node/polyfills/<module_name>", but with 
this change it's "internal:deno_node/<module_name>". 

Given that "deno_node" has over 100 files, many of them having 
several import specifiers to the same extension, this change removes
10 characters from each import specifier.
2023-03-10 12:47:26 +09:00

46 lines
1.4 KiB
TypeScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { CallbackWithError } from "internal:deno_node/_fs/_fs_common.ts";
import { fromFileUrl } from "internal:deno_node/path.ts";
import { promisify } from "internal: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 ? fromFileUrl(target) : target;
path = path instanceof URL ? fromFileUrl(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 ? fromFileUrl(target) : target;
path = path instanceof URL ? fromFileUrl(path) : path;
type = type || "file";
Deno.symlinkSync(target, path, { type });
}