webpack/lib/ModuleWarning.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 ModuleWarning extends WebpackError {
	/**
	 * @param {Error} warning error thrown
	 * @param {{from?: string|null}} info additional info
	 */
	constructor(warning, { from = null } = {}) {
		let message = "Module Warning";

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

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

		super(message);

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

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

		write(this.warning);

		super.serialize(context);
	}

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

		this.warning = read();

		super.deserialize(context);
	}
}

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

module.exports = ModuleWarning;