/**
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* @copyright (c) 2016, Philipp Thürwächter & Pattrick Hüper
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* @license BSD-3-Clause (see LICENSE in the root directory of this source tree)
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*/
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import { NullPointerException, IllegalArgumentException } from './errors';
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/**
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* @private
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*
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* @param assertion
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* @param msg
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* @param error
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*/
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export function assert(assertion, msg, error) {
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if(!assertion){
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if (error) {
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throw new error(msg);
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} else {
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throw new Error(msg);
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}
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}
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}
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/**
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* @private
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*
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* @param value
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* @param parameterName
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* @returns {*}
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*/
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export function requireNonNull(value, parameterName) {
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if (value == null) {
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throw new NullPointerException(`${parameterName} must not be null`);
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}
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return value;
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}
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/**
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* @private
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*
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* @param value
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* @param _class
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* @param parameterName
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* @returns {_class}
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*/
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export function requireInstance(value, _class, parameterName) {
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if (!(value instanceof _class)) {
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throw new IllegalArgumentException(`${parameterName} must be an instance of ${_class.name ? _class.name : _class}${value && value.constructor && value.constructor.name ? `, but is ${value.constructor.name}` : ''}`);
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}
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return value;
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}
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/**
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* @private
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*
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* @param methodName
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*/
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export function abstractMethodFail(methodName){
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throw new TypeError(`abstract method "${methodName}" is not implemented`);
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}
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