mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Ivan Kopeykin @vankop
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*/
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"use strict";
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const WebpackError = require("./WebpackError");
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const CURRENT_METHOD_REGEXP = /at ([a-zA-Z0-9_.]*)/;
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/**
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 * @param {string=} method method name
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 * @returns {string} message
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 */
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function createMessage(method) {
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	return `Abstract method${method ? " " + method : ""}. Must be overridden.`;
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}
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/**
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 * @constructor
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 */
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function Message() {
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	this.stack = undefined;
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	Error.captureStackTrace(this);
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	/** @type {RegExpMatchArray} */
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	const match = this.stack.split("\n")[3].match(CURRENT_METHOD_REGEXP);
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	this.message = match && match[1] ? createMessage(match[1]) : createMessage();
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}
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/**
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 * Error for abstract method
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 * @example
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 * class FooClass {
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 *     abstractMethod() {
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 *         throw new AbstractMethodError(); // error message: Abstract method FooClass.abstractMethod. Must be overriden.
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 *     }
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 * }
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 *
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 */
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class AbstractMethodError extends WebpackError {
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	constructor() {
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		super(new Message().message);
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		this.name = "AbstractMethodError";
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	}
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}
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module.exports = AbstractMethodError;
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