diff options
Diffstat (limited to 'std/node/_fs/_fs_readFile.ts')
-rw-r--r-- | std/node/_fs/_fs_readFile.ts | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/std/node/_fs/_fs_readFile.ts b/std/node/_fs/_fs_readFile.ts deleted file mode 100644 index 4ad763e25..000000000 --- a/std/node/_fs/_fs_readFile.ts +++ /dev/null @@ -1,97 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -import { - BinaryOptionsArgument, - FileOptionsArgument, - getEncoding, - TextOptionsArgument, -} from "./_fs_common.ts"; -import { Buffer } from "../buffer.ts"; -import { fromFileUrl } from "../path.ts"; -import { BinaryEncodings, Encodings, TextEncodings } from "../_utils.ts"; - -function maybeDecode(data: Uint8Array, encoding: TextEncodings): string; -function maybeDecode( - data: Uint8Array, - encoding: BinaryEncodings | null, -): Buffer; -function maybeDecode( - data: Uint8Array, - encoding: Encodings | null, -): string | Buffer { - const buffer = new Buffer(data.buffer, data.byteOffset, data.byteLength); - if (encoding && encoding !== "binary") return buffer.toString(encoding); - return buffer; -} - -type TextCallback = (err: Error | null, data?: string) => void; -type BinaryCallback = (err: Error | null, data?: Buffer) => void; -type GenericCallback = (err: Error | null, data?: string | Buffer) => void; -type Callback = TextCallback | BinaryCallback | GenericCallback; - -export function readFile( - path: string | URL, - options: TextOptionsArgument, - callback: TextCallback, -): void; -export function readFile( - path: string | URL, - options: BinaryOptionsArgument, - callback: BinaryCallback, -): void; -export function readFile( - path: string | URL, - options: null | undefined | FileOptionsArgument, - callback: BinaryCallback, -): void; -export function readFile(path: string | URL, callback: BinaryCallback): void; -export function readFile( - path: string | URL, - optOrCallback?: FileOptionsArgument | Callback | null | undefined, - callback?: Callback, -): void { - path = path instanceof URL ? fromFileUrl(path) : path; - let cb: Callback | undefined; - if (typeof optOrCallback === "function") { - cb = optOrCallback; - } else { - cb = callback; - } - - const encoding = getEncoding(optOrCallback); - - const p = Deno.readFile(path); - - if (cb) { - p.then((data: Uint8Array) => { - if (encoding && encoding !== "binary") { - const text = maybeDecode(data, encoding); - return (cb as TextCallback)(null, text); - } - const buffer = maybeDecode(data, encoding); - (cb as BinaryCallback)(null, buffer); - }, (err) => cb && cb(err)); - } -} - -export function readFileSync( - path: string | URL, - opt: TextOptionsArgument, -): string; -export function readFileSync( - path: string | URL, - opt?: BinaryOptionsArgument, -): Buffer; -export function readFileSync( - path: string | URL, - opt?: FileOptionsArgument, -): string | Buffer { - path = path instanceof URL ? fromFileUrl(path) : path; - const data = Deno.readFileSync(path); - const encoding = getEncoding(opt); - if (encoding && encoding !== "binary") { - const text = maybeDecode(data, encoding); - return text; - } - const buffer = maybeDecode(data, encoding); - return buffer; -} |