init

马宇豪

2024-07-16 f591c27b57e2418c9495bc02ae8cfff84d35bc18

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