source: frontend/node_modules/webpack/lib/errors/ModuleNotFoundError.js

/*
        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 {
        /**
         * Creates an instance of ModuleNotFoundError.
         * @param {Module | null} module module tied to dependency
         * @param {Error & { details?: string }} 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[
                                        /** @type {keyof 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);

                /** @type {string} */
                this.name = "ModuleNotFoundError";
                this.details = err.details;
                this.module = module;
                this.error = err;
                this.loc = loc;
        }
}

module.exports = ModuleNotFoundError;