45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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*/
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"use strict";
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// Browser stub for the default `graceful-fs` file system. A browser has no
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// ambient file system, so the convenience entry's default resolver has nothing
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// to read — pass your own `fileSystem` to `create()` /
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// `ResolverFactory.createResolver()` instead. Each method throws a clear error
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// if the default is actually used, while keeping the package able to bundle for
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// the browser (no Node `fs` dependency is pulled in).
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const message =
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"enhanced-resolve: no default file system is available in the browser. " +
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"Pass a `fileSystem` to `create()` or `ResolverFactory.createResolver()`.";
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/**
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* Takes the arguments its callers pass - `readFile(path, callback)` and the
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* rest - so the declaration describes a call that actually compiles, even
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* though every one of them throws.
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* @param {...unknown} _args arguments, ignored
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* @returns {never} always throws
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*/
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const unavailable = (..._args) => {
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throw new Error(message);
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};
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// The same set of methods `CachedInputFileSystem` reads from the file system
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// (graceful-fs has no `readJson`/`readJsonSync`, so those stay undefined).
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module.exports = {
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lstat: unavailable,
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lstatSync: unavailable,
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readFile: unavailable,
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readFileSync: unavailable,
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readdir: unavailable,
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readdirSync: unavailable,
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readlink: unavailable,
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readlinkSync: unavailable,
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realpath: unavailable,
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realpathSync: unavailable,
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stat: unavailable,
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statSync: unavailable,
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};
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