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

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const makeSerializable = require("../util/makeSerializable");
const WebpackError = require("./WebpackError");

/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
/** @typedef {import("../Dependency").SourcePosition} SourcePosition */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */

const WASM_HEADER = Buffer.from([0x00, 0x61, 0x73, 0x6d]);

class ModuleParseError extends WebpackError {
        /**
         * Creates an instance of ModuleParseError.
         * @param {string | Buffer} source source code
         * @param {Error & { loc?: SourcePosition }} err the parse error
         * @param {string[]} loaders the loaders used
         * @param {string} type module type
         */
        constructor(source, err, loaders, type) {
                let message = `Module parse failed: ${err && err.message}`;
                /** @type {undefined | DependencyLocation} */
                let loc;

                if (
                        ((Buffer.isBuffer(source) && source.subarray(0, 4).equals(WASM_HEADER)) ||
                                (typeof source === "string" && /^\0asm/.test(source))) &&
                        !type.startsWith("webassembly")
                ) {
                        message +=
                                "\nThe module seem to be a WebAssembly module, but module is not flagged as WebAssembly module for webpack.";
                        message +=
                                "\nBREAKING CHANGE: Since webpack 5 WebAssembly is not enabled by default and flagged as experimental feature.";
                        message +=
                                "\nYou need to enable one of the WebAssembly experiments via 'experiments.asyncWebAssembly: true' (based on async modules) or 'experiments.syncWebAssembly: true' (like webpack 4, deprecated).";
                        message +=
                                "\nFor files that transpile to WebAssembly, make sure to set the module type in the 'module.rules' section of the config (e. g. 'type: \"webassembly/async\"').";
                } else if (!loaders) {
                        message +=
                                "\nYou may need an appropriate loader to handle this file type. " +
                                "See https://webpack.js.org/concepts/loaders";
                } else if (loaders.length >= 1) {
                        message += `\nFile was processed with these loaders:${loaders
                                .map((loader) => `\n * ${loader}`)
                                .join("")}`;
                        message +=
                                "\nYou may need an additional loader to handle the result of these loaders.";
                } else {
                        message +=
                                "\nYou may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders";
                }

                if (
                        err &&
                        err.loc &&
                        typeof err.loc === "object" &&
                        typeof err.loc.line === "number"
                ) {
                        const lineNumber = err.loc.line;

                        if (
                                Buffer.isBuffer(source) ||
                                // eslint-disable-next-line no-control-regex
                                /[\0\u0001\u0002\u0003\u0004\u0005\u0006\u0007]/.test(source)
                        ) {
                                // binary file
                                message += "\n(Source code omitted for this binary file)";
                        } else {
                                const sourceLines = source.split(/\r?\n/);
                                const start = Math.max(0, lineNumber - 3);
                                const linesBefore = sourceLines.slice(start, lineNumber - 1);
                                const theLine = sourceLines[lineNumber - 1];
                                const linesAfter = sourceLines.slice(lineNumber, lineNumber + 2);

                                message += `${linesBefore
                                        .map((l) => `\n| ${l}`)
                                        .join(
                                                ""
                                        )}\n> ${theLine}${linesAfter.map((l) => `\n| ${l}`).join("")}`;
                        }

                        loc = { start: err.loc };
                } else if (err && err.stack) {
                        message += `\n${err.stack}`;
                }

                super(message);

                /** @type {string} */
                this.name = "ModuleParseError";
                /** @type {undefined | DependencyLocation} */
                this.loc = loc;
                /** @type {Error} */
                this.error = err;
        }

        /**
         * Serializes this instance into the provided serializer context.
         * @param {ObjectSerializerContext} context context
         */
        serialize(context) {
                const { write } = context;

                write(this.error);

                super.serialize(context);
        }

        /**
         * Restores this instance from the provided deserializer context.
         * @param {ObjectDeserializerContext} context context
         */
        deserialize(context) {
                const { read } = context;

                this.error = read();

                super.deserialize(context);
        }
}

makeSerializable(ModuleParseError, "webpack/lib/errors/ModuleParseError");

module.exports = ModuleParseError;