AbstractMethodError.js
df143e4977c6master

AbstractMethodError.js
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			/*
			MIT License http://www.opensource.org/licenses/mit-license.php
			Author Ivan Kopeykin @vankop
			*/

			"use strict";

			const WebpackError = require("./WebpackError");
			const CURRENT_METHOD_REGEXP = /at ([a-zA-Z0-9_.]*)/;

			/**
			* @param {string=} method method name
			* @returns {string} message
			*/
			function createMessage(method) {
			return `Abstract method${method ? " " + method : ""}. Must be overridden.`;
			}

			/**
			* @constructor
			*/
			function Message() {
			/** @type {string} */
			this.stack = undefined;
			Error.captureStackTrace(this);
			/** @type {RegExpMatchArray} */
			const match = this.stack.split("\n")[3].match(CURRENT_METHOD_REGEXP);

			this.message = match && match[1] ? createMessage(match[1]) : createMessage();
			}

			/**
			* Error for abstract method
			* @example
			* class FooClass {
			* abstractMethod() {
			* throw new AbstractMethodError(); // error message: Abstract method FooClass.abstractMethod. Must be overridden.
			* }
			* }
			*
			*/
			class AbstractMethodError extends WebpackError {
			constructor() {
			super(new Message().message);
			this.name = "AbstractMethodError";
			}
			}

			module.exports = AbstractMethodError;