55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
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/*
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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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/** @type {string | undefined} */
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this.stack = undefined;
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Error.captureStackTrace(this);
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/** @type {RegExpMatchArray | null} */
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const match =
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/** @type {string} */
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(/** @type {unknown} */ (this.stack))
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.split("\n")[3]
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.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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* ```js
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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 overridden.
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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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