42 lines
1.4 KiB
TypeScript
42 lines
1.4 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import './init';
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import {BindingErrorComp} from '../src/errors';
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import {createComponent} from './util';
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describe('source maps', () => {
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it('should report source location for binding errors', () => {
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const comp = createComponent(BindingErrorComp);
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let error: any;
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try {
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comp.detectChanges();
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} catch (e) {
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error = e;
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}
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const sourcePosition = getSourcePositionForStack(error.stack);
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expect(sourcePosition.line).toBe(2);
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expect(sourcePosition.column).toBe(13);
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expect(sourcePosition.source.endsWith('errors.html')).toBe(true);
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});
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});
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function getSourcePositionForStack(stack: string): {source: string, line: number, column: number} {
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const htmlLocations = stack
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.split('\n')
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// e.g. at View_MyComp_0 (...html:153:40)
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.map(line => /\((.*\.html):(\d+):(\d+)/.exec(line) !)
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.filter(match => !!match)
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.map(match => ({
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source: match[1],
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line: parseInt(match[2], 10),
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column: parseInt(match[3], 10)
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}));
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return htmlLocations[0];
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}
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