webpack/lib/ModuleError.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

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

"use strict";

const { cleanUp } = require("./ErrorHelpers");
const WebpackError = require("./WebpackError");
const makeSerializable = require("./util/makeSerializable");

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

class ModuleError extends WebpackError {
	/**
	 * @param {Error} err error thrown
	 * @param {{from?: string|null}} info additional info
	 */
	constructor(err, { from = null } = {}) {
		let message = "Module Error";

		if (from) {
			message += ` (from ${from}):\n`;
		} else {
			message += ": ";
		}

		if (err && typeof err === "object" && err.message) {
			message += err.message;
		} else if (err) {
			message += err;
		}

		super(message);

		this.name = "ModuleError";
		this.error = err;
		this.details =
			err && typeof err === "object" && err.stack
				? cleanUp(err.stack, this.message)
				: undefined;
	}

	/**
	 * @param {ObjectSerializerContext} context context
	 */
	serialize(context) {
		const { write } = context;

		write(this.error);

		super.serialize(context);
	}

	/**
	 * @param {ObjectDeserializerContext} context context
	 */
	deserialize(context) {
		const { read } = context;

		this.error = read();

		super.deserialize(context);
	}
}

makeSerializable(ModuleError, "webpack/lib/ModuleError");

module.exports = ModuleError;