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d47147fb6a
This commit moves "deno_std/node" in "ext/node" crate. The code is transpiled and snapshotted during the build process. During the first pass a minimal amount of work was done to create the snapshot, a lot of code in "ext/node" depends on presence of "Deno" global. This code will be gradually fixed in the follow up PRs to migrate it to import relevant APIs from "internal:" modules. Currently the code from snapshot is not used in any way, and all Node/npm compatibility still uses code from "https://deno.land/std/node" (or from the location specified by "DENO_NODE_COMPAT_URL"). This will also be handled in a follow up PRs. --------- Co-authored-by: crowlkats <crowlkats@toaxl.com> Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com> Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
89 lines
2.4 KiB
TypeScript
89 lines
2.4 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import Dir from "internal:deno_node/polyfills/_fs/_fs_dir.ts";
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import { Buffer } from "internal:deno_node/polyfills/buffer.ts";
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import {
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getOptions,
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getValidatedPath,
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} from "internal:deno_node/polyfills/internal/fs/utils.mjs";
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import { denoErrorToNodeError } from "internal:deno_node/polyfills/internal/errors.ts";
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import {
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validateFunction,
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validateInteger,
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} from "internal:deno_node/polyfills/internal/validators.mjs";
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import { promisify } from "internal:deno_node/polyfills/internal/util.mjs";
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/** These options aren't funcitonally used right now, as `Dir` doesn't yet support them.
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* However, these values are still validated.
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*/
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type Options = {
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encoding?: string;
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bufferSize?: number;
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};
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type Callback = (err?: Error | null, dir?: Dir) => void;
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function _validateFunction(callback: unknown): asserts callback is Callback {
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validateFunction(callback, "callback");
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}
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/** @link https://nodejs.org/api/fs.html#fsopendirsyncpath-options */
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export function opendir(
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path: string | Buffer | URL,
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options: Options | Callback,
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callback?: Callback,
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) {
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callback = typeof options === "function" ? options : callback;
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_validateFunction(callback);
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path = getValidatedPath(path).toString();
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let err, dir;
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try {
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const { bufferSize } = getOptions(options, {
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encoding: "utf8",
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bufferSize: 32,
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});
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validateInteger(bufferSize, "options.bufferSize", 1, 4294967295);
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/** Throws if path is invalid */
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Deno.readDirSync(path);
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dir = new Dir(path);
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} catch (error) {
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err = denoErrorToNodeError(error as Error, { syscall: "opendir" });
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}
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if (err) {
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callback(err);
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} else {
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callback(null, dir);
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}
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}
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/** @link https://nodejs.org/api/fs.html#fspromisesopendirpath-options */
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export const opendirPromise = promisify(opendir) as (
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path: string | Buffer | URL,
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options?: Options,
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) => Promise<Dir>;
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export function opendirSync(
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path: string | Buffer | URL,
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options?: Options,
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): Dir {
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path = getValidatedPath(path).toString();
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const { bufferSize } = getOptions(options, {
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encoding: "utf8",
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bufferSize: 32,
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});
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validateInteger(bufferSize, "options.bufferSize", 1, 4294967295);
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try {
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/** Throws if path is invalid */
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Deno.readDirSync(path);
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return new Dir(path);
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} catch (err) {
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throw denoErrorToNodeError(err as Error, { syscall: "opendir" });
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}
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}
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