mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			90 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Tobias Koppers @sokra
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*/
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"use strict";
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const WebpackError = require("./WebpackError");
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/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
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/** @typedef {import("./Module")} Module */
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const previouslyPolyfilledBuiltinModules = {
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	assert: "assert/",
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	buffer: "buffer/",
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	console: "console-browserify",
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	constants: "constants-browserify",
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	crypto: "crypto-browserify",
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	domain: "domain-browser",
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	events: "events/",
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	http: "stream-http",
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	https: "https-browserify",
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	os: "os-browserify/browser",
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	path: "path-browserify",
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	punycode: "punycode/",
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	process: "process/browser",
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	querystring: "querystring-es3",
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	stream: "stream-browserify",
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	_stream_duplex: "readable-stream/duplex",
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	_stream_passthrough: "readable-stream/passthrough",
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	_stream_readable: "readable-stream/readable",
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	_stream_transform: "readable-stream/transform",
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	_stream_writable: "readable-stream/writable",
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	string_decoder: "string_decoder/",
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	sys: "util/",
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	timers: "timers-browserify",
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	tty: "tty-browserify",
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	url: "url/",
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	util: "util/",
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	vm: "vm-browserify",
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	zlib: "browserify-zlib"
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};
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class ModuleNotFoundError extends WebpackError {
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	/**
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	 * @param {Module | null} module module tied to dependency
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	 * @param {Error&any} err error thrown
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	 * @param {DependencyLocation} loc location of dependency
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	 */
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	constructor(module, err, loc) {
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		let message = `Module not found: ${err.toString()}`;
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		// TODO remove in webpack 6
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		const match = err.message.match(/Can't resolve '([^']+)'/);
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		if (match) {
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			const request = match[1];
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			const alias =
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				previouslyPolyfilledBuiltinModules[
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					/** @type {keyof previouslyPolyfilledBuiltinModules} */ (request)
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				];
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			if (alias) {
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				const pathIndex = alias.indexOf("/");
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				const dependency = pathIndex > 0 ? alias.slice(0, pathIndex) : alias;
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				message +=
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					"\n\n" +
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					"BREAKING CHANGE: " +
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					"webpack < 5 used to include polyfills for node.js core modules by default.\n" +
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					"This is no longer the case. Verify if you need this module and configure a polyfill for it.\n\n";
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				message +=
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					"If you want to include a polyfill, you need to:\n" +
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					`\t- add a fallback 'resolve.fallback: { "${request}": require.resolve("${alias}") }'\n` +
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					`\t- install '${dependency}'\n`;
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				message +=
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					"If you don't want to include a polyfill, you can use an empty module like this:\n" +
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					`\tresolve.fallback: { "${request}": false }`;
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			}
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		}
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		super(message);
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		this.name = "ModuleNotFoundError";
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		this.details = err.details;
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		this.module = module;
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		this.error = err;
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		this.loc = loc;
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	}
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}
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module.exports = ModuleNotFoundError;
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