diff options
Diffstat (limited to 'std/node/_fs/_fs_readlink.ts')
-rw-r--r-- | std/node/_fs/_fs_readlink.ts | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/std/node/_fs/_fs_readlink.ts b/std/node/_fs/_fs_readlink.ts deleted file mode 100644 index 37a7a108f..000000000 --- a/std/node/_fs/_fs_readlink.ts +++ /dev/null @@ -1,81 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { - intoCallbackAPIWithIntercept, - MaybeEmpty, - notImplemented, -} from "../_utils.ts"; -import { fromFileUrl } from "../path.ts"; - -type ReadlinkCallback = ( - err: MaybeEmpty<Error>, - linkString: MaybeEmpty<string | Uint8Array>, -) => void; - -interface ReadlinkOptions { - encoding?: string | null; -} - -function maybeEncode( - data: string, - encoding: string | null, -): string | Uint8Array { - if (encoding === "buffer") { - return new TextEncoder().encode(data); - } - return data; -} - -function getEncoding( - optOrCallback?: ReadlinkOptions | ReadlinkCallback, -): string | null { - if (!optOrCallback || typeof optOrCallback === "function") { - return null; - } else { - if (optOrCallback.encoding) { - if ( - optOrCallback.encoding === "utf8" || - optOrCallback.encoding === "utf-8" - ) { - return "utf8"; - } else if (optOrCallback.encoding === "buffer") { - return "buffer"; - } else { - notImplemented(); - } - } - return null; - } -} - -export function readlink( - path: string | URL, - optOrCallback: ReadlinkCallback | ReadlinkOptions, - callback?: ReadlinkCallback, -): void { - path = path instanceof URL ? fromFileUrl(path) : path; - - let cb: ReadlinkCallback | undefined; - if (typeof optOrCallback === "function") { - cb = optOrCallback; - } else { - cb = callback; - } - - const encoding = getEncoding(optOrCallback); - - intoCallbackAPIWithIntercept<string, Uint8Array | string>( - Deno.readLink, - (data: string): string | Uint8Array => maybeEncode(data, encoding), - cb, - path, - ); -} - -export function readlinkSync( - path: string | URL, - opt?: ReadlinkOptions, -): string | Uint8Array { - path = path instanceof URL ? fromFileUrl(path) : path; - - return maybeEncode(Deno.readLinkSync(path), getEncoding(opt)); -} |