A couple reasons to justify removing the flag: * It adds code to the compiler that is only meant to support test cases and not any production. We should avoid code in that's only meant to support tests. * The flag enables writing tests that do not mimic real-world behavior because they allow invalid applications PR Close #40013
		
			
				
	
	
		
			793 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			793 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google LLC 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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/// <reference types="node" />
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import {inspect} from 'util';
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import {runInEachFileSystem} from '../../src/ngtsc/file_system/testing';
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import {loadStandardTestFiles} from '../../src/ngtsc/testing';
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import {tsSourceMapBug29300Fixed} from '../../src/ngtsc/util/src/ts_source_map_bug_29300';
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import {NgtscTestEnvironment} from './env';
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import {getMappedSegments, SegmentMapping} from './sourcemap_utils';
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const testFiles = loadStandardTestFiles();
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runInEachFileSystem((os) => {
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  describe('template source-mapping', () => {
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    let env!: NgtscTestEnvironment;
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    beforeEach(() => {
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      env = NgtscTestEnvironment.setup(testFiles);
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      env.tsconfig({sourceMap: true, target: 'es2015', enableI18nLegacyMessageIdFormat: false});
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    });
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    describe('Inline templates', () => {
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      describe('(element creation)', () => {
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        it('should map simple element with content', () => {
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          const mappings = compileAndMap('<h1>Heading 1</h1>');
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          expectMapping(
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              mappings,
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              {source: '<h1>', generated: 'i0.ɵɵelementStart(0, "h1")', sourceUrl: '../test.ts'});
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          expectMapping(mappings, {
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            source: 'Heading 1',
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            generated: 'i0.ɵɵtext(1, "Heading 1")',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings, {source: '</h1>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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        it('should map void element', () => {
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          const mappings = compileAndMap('<hr>');
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          expectMapping(
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              mappings,
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              {source: '<hr>', generated: 'i0.ɵɵelement(0, "hr")', sourceUrl: '../test.ts'});
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        });
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      });
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      describe('(interpolations)', () => {
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        it('should map a mix of interpolated and static content', () => {
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          const mappings = compileAndMap('<h3>Hello {{ name }}</h3>');
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          expectMapping(
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              mappings,
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              {source: '<h3>', generated: 'i0.ɵɵelementStart(0, "h3")', sourceUrl: '../test.ts'});
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          expectMapping(mappings, {
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            source: 'Hello {{ name }}',
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            generated: 'i0.ɵɵtextInterpolate1("Hello ", ctx.name, "")',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings, {source: '</h3>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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        it('should map a complex interpolated expression', () => {
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          const mappings = compileAndMap('<h2>{{ greeting + " " + name }}</h2>');
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          expectMapping(
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              mappings,
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              {source: '<h2>', generated: 'i0.ɵɵelementStart(0, "h2")', sourceUrl: '../test.ts'});
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          expectMapping(mappings, {
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            source: '{{ greeting + " " + name }}',
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            generated: 'i0.ɵɵtextInterpolate(ctx.greeting + " " + ctx.name)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings, {source: '</h2>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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        it('should map interpolated properties', () => {
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          const mappings = compileAndMap('<div id="{{name}}"></div>');
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          expectMapping(mappings, {
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            source: '<div id="{{name}}"></div>',
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            generated: 'i0.ɵɵelement(0, "div", 0)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(mappings, {
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            source: 'id="{{name}}"',
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            generated: 'i0.ɵɵpropertyInterpolate("id", ctx.name)',
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            sourceUrl: '../test.ts'
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          });
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        });
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        it('should map interpolation with pipe', () => {
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          const mappings = compileAndMap('<div>{{200.3 | percent : 2 }}</div>');
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          expectMapping(
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              mappings,
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              {source: '<div>', generated: 'i0.ɵɵelementStart(0, "div")', sourceUrl: '../test.ts'});
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          expectMapping(mappings, {
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            source: '{{200.3 | percent : 2 }}',
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            generated: 'i0.ɵɵtextInterpolate(i0.ɵɵpipeBind2(2, 1, 200.3, 2))',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings,
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              {source: '</div>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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      });
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      describe('(property bindings)', () => {
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        it('should map a simple input binding expression', () => {
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          const mappings = compileAndMap('<div [attr]="name"></div>');
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          expectMapping(mappings, {
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            source: '<div [attr]="name"></div>',
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            generated: 'i0.ɵɵelement(0, "div", 0)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(mappings, {
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            source: '[attr]="name"',
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            generated: 'i0.ɵɵproperty("attr", ctx.name)',
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            sourceUrl: '../test.ts'
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          });
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        });
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        it('should map a complex input binding expression', () => {
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          const mappings = compileAndMap('<div [attr]="greeting + name"></div>');
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          expectMapping(mappings, {
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            source: '<div [attr]="greeting + name"></div>',
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            generated: 'i0.ɵɵelement(0, "div", 0)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(mappings, {
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            source: '[attr]="greeting + name"',
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            generated: 'i0.ɵɵproperty("attr", ctx.greeting + ctx.name)',
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            sourceUrl: '../test.ts'
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          });
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        });
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        it('should map a longhand input binding expression', () => {
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          const mappings = compileAndMap('<div bind-attr="name"></div>');
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          expectMapping(mappings, {
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            source: '<div bind-attr="name"></div>',
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            generated: 'i0.ɵɵelement(0, "div", 0)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(mappings, {
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            source: 'bind-attr="name"',
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            generated: 'i0.ɵɵproperty("attr", ctx.name)',
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            sourceUrl: '../test.ts'
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          });
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        });
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        it('should map a simple output binding expression', () => {
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          const mappings = compileAndMap('<button (click)="doSomething()">Do it</button>');
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          expectMapping(mappings, {
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            source: '<button (click)="doSomething()">',
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            generated: 'i0.ɵɵelementStart(0, "button", 0)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings,
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              {source: 'Do it', generated: 'i0.ɵɵtext(1, "Do it")', sourceUrl: '../test.ts'});
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          expectMapping(
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              mappings,
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              {source: 'doSomething()', generated: 'ctx.doSomething()', sourceUrl: '../test.ts'});
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          expectMapping(
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              mappings,
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              {source: '</button>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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        it('should map a complex output binding expression', () => {
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          const mappings = compileAndMap(
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              `<button (click)="items.push('item' + items.length)">Add Item</button>`);
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          expectMapping(mappings, {
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            source: `<button (click)="items.push('item' + items.length)">`,
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            generated: 'i0.ɵɵelementStart(0, "button", 0)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings,
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              {source: 'Add Item', generated: 'i0.ɵɵtext(1, "Add Item")', sourceUrl: '../test.ts'});
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          expectMapping(
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              mappings,
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              {source: 'items.push(', generated: 'ctx.items.push(', sourceUrl: '../test.ts'});
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          expectMapping(mappings, {source: `'item'`, generated: `"item"`, sourceUrl: '../test.ts'});
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          expectMapping(mappings, {
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            source: ' + items.length)',
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            generated: ' + ctx.items.length)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings,
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              {source: '</button>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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        it('should map a longhand output binding expression', () => {
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          const mappings = compileAndMap('<button on-click="doSomething()">Do it</button>');
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          expectMapping(mappings, {
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            source: '<button on-click="doSomething()">',
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            generated: 'i0.ɵɵelementStart(0, "button", 0)',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(
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              mappings,
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              {source: 'Do it', generated: 'i0.ɵɵtext(1, "Do it")', sourceUrl: '../test.ts'});
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          expectMapping(
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              mappings,
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              {source: 'doSomething()', generated: 'ctx.doSomething()', sourceUrl: '../test.ts'});
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          expectMapping(
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              mappings,
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              {source: '</button>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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        it('should map a two-way binding expression', () => {
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          const mappings = compileAndMap('Name: <input [(ngModel)]="name">');
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          expectMapping(mappings, {
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            source: '<input [(ngModel)]="name">',
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            generated: 'i0.ɵɵelementStart(1, "input", 0)',
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            sourceUrl: '../test.ts'
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          });
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          // TODO: improve mappings here
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          expectMapping(mappings, {
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            source: '[(ngModel)]="name"',
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            generated:
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                'i0.ɵɵlistener("ngModelChange", function TestCmp_Template_input_ngModelChange_1_listener($event) { return ctx.name = $event; })',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(mappings, {
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            source: '<input [(ngModel)]="name">',
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            generated: 'i0.ɵɵelementEnd()',
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            sourceUrl: '../test.ts'
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          });
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        });
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        it('should map a longhand two-way binding expression', () => {
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          const mappings = compileAndMap('Name: <input bindon-ngModel="name">');
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          expectMapping(mappings, {
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            source: '<input bindon-ngModel="name">',
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            generated: 'i0.ɵɵelementStart(1, "input", 0)',
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            sourceUrl: '../test.ts'
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          });
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          // TODO: improve mappings here
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          expectMapping(mappings, {
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            source: 'bindon-ngModel="name"',
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            generated:
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                'i0.ɵɵlistener("ngModelChange", function TestCmp_Template_input_ngModelChange_1_listener($event) { return ctx.name = $event; })',
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            sourceUrl: '../test.ts'
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          });
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          expectMapping(mappings, {
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            source: '<input bindon-ngModel="name">',
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            generated: 'i0.ɵɵelementEnd()',
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            sourceUrl: '../test.ts'
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          });
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        });
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        it('should map a class input binding', () => {
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          const mappings = compileAndMap('<div [class.initial]="isInitial">Message</div>');
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          expectMapping(mappings, {
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            source: '<div [class.initial]="isInitial">',
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            generated: 'i0.ɵɵelementStart(0, "div")',
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            sourceUrl: '../test.ts'
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          });
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          // TODO: Add better mappings for binding
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          expectMapping(
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              mappings,
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              {source: 'Message', generated: 'i0.ɵɵtext(1, "Message")', sourceUrl: '../test.ts'});
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          expectMapping(
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              mappings,
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              {source: '</div>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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        });
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      });
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      describe('(structural directives)', () => {
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        it('should map *ngIf scenario', () => {
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          const mappings = compileAndMap('<div *ngIf="showMessage()">{{ name }}</div>');
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          expectMapping(mappings, {
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            source: '<div *ngIf="showMessage()">',
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            generated: 'i0.ɵɵelementStart(0, "div")',
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            sourceUrl: '../test.ts'
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          });
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          // TODO - map the bindings better
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          expectMapping(
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              mappings,
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              {source: '</div>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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          // TODO: the `ctx_r...` appears to be dependent upon previous tests!!!
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          // expectMapping(mappings, {
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          //   source: '{{ name }}',
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          //   generated: 'i0.ɵɵtextInterpolate(ctx_r0.name)',
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          //   sourceUrl: '../test.ts'
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          // });
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        });
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        it('should map ng-template [ngIf] scenario', () => {
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          const mappings = compileAndMap(
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              `<ng-template [ngIf]="showMessage()">\n` +
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              `  <div>{{ name }}</div>\n` +
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              `  <hr>\n` +
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              `</ng-template>`);
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          expectMapping(
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              mappings,
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              {source: '<div>', generated: 'i0.ɵɵelementStart(0, "div")', sourceUrl: '../test.ts'});
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          // TODO - map the bindings better
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          expectMapping(
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              mappings,
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              {source: '</div>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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          // TODO: the `ctx_r...` appears to be dependent upon previous tests!!!
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          // expectMapping(mappings, {
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          //   source: '{{ name }}',
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          //   generated: 'i0.ɵɵtextInterpolate(ctx_r0.name)',
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          //   sourceUrl: '../test.ts'
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          // });
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        });
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        it('should map *ngFor scenario', () => {
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          const mappings = compileAndMap(
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              '<div *ngFor="let item of items; index as i; trackBy: trackByFn">{{ item }}</div>');
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          expectMapping(mappings, {
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            source: '<div *ngFor="let item of items; index as i; trackBy: trackByFn">',
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						|
            generated: 'i0.ɵɵelementStart(0, "div")',
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						|
            sourceUrl: '../test.ts'
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						|
          });
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						|
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						|
          // TODO - map the bindings better
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						|
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          expectMapping(
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						|
              mappings,
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              {source: '</div>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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						|
        });
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        it('should map ng-template [ngFor] scenario', () => {
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          const mappings = compileAndMap(
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              `<ng-template ngFor [ngForOf]="items" let-item>{{ item }}</ng-template>`);
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						|
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          // TODO - map the bindings better
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						|
        });
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						|
      });
 | 
						|
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						|
      describe('(content projection)', () => {
 | 
						|
        it('should map default and selected projection', () => {
 | 
						|
          const mappings = compileAndMap(
 | 
						|
              `<h3><ng-content select="title"></ng-content></h3>\n` +
 | 
						|
              `<div><ng-content></ng-content></div>`);
 | 
						|
 | 
						|
          expectMapping(
 | 
						|
              mappings,
 | 
						|
              {source: '<h3>', generated: 'i0.ɵɵelementStart(0, "h3")', sourceUrl: '../test.ts'});
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						|
          expectMapping(mappings, {
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						|
            source: '<ng-content select="title"></ng-content>',
 | 
						|
            generated: 'i0.ɵɵprojection(1)',
 | 
						|
            sourceUrl: '../test.ts'
 | 
						|
          });
 | 
						|
          expectMapping(
 | 
						|
              mappings, {source: '</h3>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
 | 
						|
          expectMapping(
 | 
						|
              mappings,
 | 
						|
              {source: '<div>', generated: 'i0.ɵɵelementStart(2, "div")', sourceUrl: '../test.ts'});
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						|
          expectMapping(mappings, {
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						|
            source: '<ng-content></ng-content>',
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						|
            generated: 'i0.ɵɵprojection(3, 1)',
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						|
            sourceUrl: '../test.ts'
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						|
          });
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						|
          expectMapping(
 | 
						|
              mappings,
 | 
						|
              {source: '</div>', generated: 'i0.ɵɵelementEnd()', sourceUrl: '../test.ts'});
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						|
        });
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						|
      });
 | 
						|
 | 
						|
      describe('$localize', () => {
 | 
						|
        it('should create simple i18n message source-mapping', () => {
 | 
						|
          const mappings = compileAndMap(`<div i18n>Hello, World!</div>`);
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '<div i18n>',
 | 
						|
            generated: 'i0.ɵɵelementStart(0, "div")',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
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						|
            source: 'Hello, World!',
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						|
            generated: '`Hello, World!`',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
        });
 | 
						|
 | 
						|
        it('should create placeholder source-mappings', () => {
 | 
						|
          const mappings = compileAndMap(`<div i18n>Hello, {{name}}!</div>`);
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '<div i18n>',
 | 
						|
            generated: 'i0.ɵɵelementStart(0, "div")',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '</div>',
 | 
						|
            generated: 'i0.ɵɵelementEnd()',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: 'Hello, ',
 | 
						|
            generated: '`Hello, ${',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '{{name}}',
 | 
						|
            generated: '"\\uFFFD0\\uFFFD"',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '!',
 | 
						|
            generated: '}:INTERPOLATION:!`',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
        });
 | 
						|
 | 
						|
        it('should correctly handle collapsed whitespace in interpolation placeholder source-mappings',
 | 
						|
           () => {
 | 
						|
             const mappings = compileAndMap(
 | 
						|
                 `<div i18n title="  pre-title {{name}}  post-title" i18n-title>  pre-body {{greeting}}  post-body</div>`);
 | 
						|
             expectMapping(mappings, {
 | 
						|
               source: '<div i18n title="  pre-title {{name}}  post-title" i18n-title>  ',
 | 
						|
               generated: 'i0.ɵɵelementStart(0, "div", 0)',
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               source: '</div>',
 | 
						|
               generated: 'i0.ɵɵelementEnd()',
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               source: '  pre-body ',
 | 
						|
               generated: '` pre-body ${',
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               source: '{{greeting}}',
 | 
						|
               generated: '"\\uFFFD0\\uFFFD"',
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               source: '  post-body',
 | 
						|
               generated: '}:INTERPOLATION: post-body`',
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
             });
 | 
						|
           });
 | 
						|
 | 
						|
        it('should correctly handle collapsed whitespace in element placeholder source-mappings',
 | 
						|
           () => {
 | 
						|
             const mappings =
 | 
						|
                 compileAndMap(`<div i18n>\n  pre-p\n  <p>\n    in-p\n  </p>\n  post-p\n</div>`);
 | 
						|
             // $localize expressions
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: 'pre-p\n  ',
 | 
						|
               generated: '` pre-p ${',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: '<p>\n    ',
 | 
						|
               generated: '"\\uFFFD#2\\uFFFD"',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: 'in-p\n  ',
 | 
						|
               generated: '}:START_PARAGRAPH: in-p ${',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: '</p>\n  ',
 | 
						|
               generated: '"\\uFFFD/#2\\uFFFD"',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: 'post-p\n',
 | 
						|
               generated: '}:CLOSE_PARAGRAPH: post-p\n`',
 | 
						|
             });
 | 
						|
             // ivy instructions
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: '<div i18n>\n  ',
 | 
						|
               generated: 'i0.ɵɵelementStart(0, "div")',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: '<div i18n>\n  ',
 | 
						|
               generated: 'i0.ɵɵi18nStart(1, 0)',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: '<p>\n    in-p\n  </p>',
 | 
						|
               generated: 'i0.ɵɵelement(2, "p")',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: '</div>',
 | 
						|
               generated: 'i0.ɵɵi18nEnd()',
 | 
						|
             });
 | 
						|
             expectMapping(mappings, {
 | 
						|
               sourceUrl: '../test.ts',
 | 
						|
               source: '</div>',
 | 
						|
               generated: 'i0.ɵɵelementEnd()',
 | 
						|
             });
 | 
						|
           });
 | 
						|
 | 
						|
        it('should create tag (container) placeholder source-mappings', () => {
 | 
						|
          const mappings = compileAndMap(`<div i18n>Hello, <b>World</b>!</div>`);
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '<div i18n>',
 | 
						|
            generated: 'i0.ɵɵelementStart(0, "div")',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '</div>',
 | 
						|
            generated: 'i0.ɵɵelementEnd()',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: 'Hello, ',
 | 
						|
            generated: '`Hello, ${',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '<b>',
 | 
						|
            generated: '"\\uFFFD#2\\uFFFD"',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: 'World',
 | 
						|
            generated: '}:START_BOLD_TEXT:World${',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '</b>',
 | 
						|
            generated: '"\\uFFFD/#2\\uFFFD"',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            source: '!',
 | 
						|
            generated: '}:CLOSE_BOLD_TEXT:!`',
 | 
						|
            sourceUrl: '../test.ts',
 | 
						|
          });
 | 
						|
        });
 | 
						|
      });
 | 
						|
 | 
						|
      it('should create (simple string) inline template source-mapping', () => {
 | 
						|
        const mappings = compileAndMap('<div>this is a test</div><div>{{ 1 + 2 }}</div>');
 | 
						|
 | 
						|
        // Creation mode
 | 
						|
        expectMapping(
 | 
						|
            mappings,
 | 
						|
            {generated: 'i0.ɵɵelementStart(0, "div")', source: '<div>', sourceUrl: '../test.ts'});
 | 
						|
        expectMapping(mappings, {
 | 
						|
          generated: 'i0.ɵɵtext(1, "this is a test")',
 | 
						|
          source: 'this is a test',
 | 
						|
          sourceUrl: '../test.ts'
 | 
						|
        });
 | 
						|
        expectMapping(
 | 
						|
            mappings, {generated: 'i0.ɵɵelementEnd()', source: '</div>', sourceUrl: '../test.ts'});
 | 
						|
        expectMapping(
 | 
						|
            mappings,
 | 
						|
            {generated: 'i0.ɵɵelementStart(2, "div")', source: '<div>', sourceUrl: '../test.ts'});
 | 
						|
        expectMapping(
 | 
						|
            mappings, {generated: 'i0.ɵɵtext(3)', source: '{{ 1 + 2 }}', sourceUrl: '../test.ts'});
 | 
						|
        expectMapping(
 | 
						|
            mappings, {generated: 'i0.ɵɵelementEnd()', source: '</div>', sourceUrl: '../test.ts'});
 | 
						|
 | 
						|
        // Update mode
 | 
						|
        expectMapping(mappings, {
 | 
						|
          generated: 'i0.ɵɵtextInterpolate(1 + 2)',
 | 
						|
          source: '{{ 1 + 2 }}',
 | 
						|
          sourceUrl: '../test.ts'
 | 
						|
        });
 | 
						|
      });
 | 
						|
 | 
						|
      it('should create correct inline template source-mapping when the source contains escape sequences',
 | 
						|
         () => {
 | 
						|
           // Note that the escaped double quotes, which need un-escaping to be parsed correctly.
 | 
						|
           const mappings = compileAndMap('<div class=\\"some-class\\">this is a test</div>');
 | 
						|
 | 
						|
           expectMapping(mappings, {
 | 
						|
             generated: 'i0.ɵɵelementStart(0, "div", 0)',
 | 
						|
             source: '<div class=\\"some-class\\">',
 | 
						|
             sourceUrl: '../test.ts'
 | 
						|
           });
 | 
						|
 | 
						|
           const attrsMapping =
 | 
						|
               mappings.find(mapping => /consts: \[\[1, "some-class"\]\]/.test(mapping.generated));
 | 
						|
           expect(attrsMapping).toBeDefined();
 | 
						|
         });
 | 
						|
    });
 | 
						|
 | 
						|
    if (tsSourceMapBug29300Fixed()) {
 | 
						|
      describe('External templates (where TS supports source-mapping)', () => {
 | 
						|
        it('should create external template source-mapping', () => {
 | 
						|
          const mappings =
 | 
						|
              compileAndMap('<div>this is a test</div><div>{{ 1 + 2 }}</div>', './dir/test.html');
 | 
						|
 | 
						|
          // Creation mode
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵelementStart(0, "div")',
 | 
						|
            source: '<div>',
 | 
						|
            sourceUrl: '../dir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵtext(1, "this is a test")',
 | 
						|
            source: 'this is a test',
 | 
						|
            sourceUrl: '../dir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(
 | 
						|
              mappings,
 | 
						|
              {generated: 'i0.ɵɵelementEnd()', source: '</div>', sourceUrl: '../dir/test.html'});
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵelementStart(2, "div")',
 | 
						|
            source: '<div>',
 | 
						|
            sourceUrl: '../dir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(
 | 
						|
              mappings,
 | 
						|
              {generated: 'i0.ɵɵtext(3)', source: '{{ 1 + 2 }}', sourceUrl: '../dir/test.html'});
 | 
						|
          expectMapping(
 | 
						|
              mappings,
 | 
						|
              {generated: 'i0.ɵɵelementEnd()', source: '</div>', sourceUrl: '../dir/test.html'});
 | 
						|
 | 
						|
          // Update mode
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵtextInterpolate(1 + 2)',
 | 
						|
            source: '{{ 1 + 2 }}',
 | 
						|
            sourceUrl: '../dir/test.html'
 | 
						|
          });
 | 
						|
        });
 | 
						|
 | 
						|
        it('should create correct mappings when templateUrl is in a different rootDir', () => {
 | 
						|
          const mappings = compileAndMap(
 | 
						|
              '<div>this is a test</div><div>{{ 1 + 2 }}</div>', 'extraRootDir/test.html');
 | 
						|
 | 
						|
          // Creation mode
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵelementStart(0, "div")',
 | 
						|
            source: '<div>',
 | 
						|
            sourceUrl: '../extraRootDir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵtext(1, "this is a test")',
 | 
						|
            source: 'this is a test',
 | 
						|
            sourceUrl: '../extraRootDir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵelementEnd()',
 | 
						|
            source: '</div>',
 | 
						|
            sourceUrl: '../extraRootDir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵelementStart(2, "div")',
 | 
						|
            source: '<div>',
 | 
						|
            sourceUrl: '../extraRootDir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵtext(3)',
 | 
						|
            source: '{{ 1 + 2 }}',
 | 
						|
            sourceUrl: '../extraRootDir/test.html'
 | 
						|
          });
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵelementEnd()',
 | 
						|
            source: '</div>',
 | 
						|
            sourceUrl: '../extraRootDir/test.html'
 | 
						|
          });
 | 
						|
 | 
						|
          // Update mode
 | 
						|
          expectMapping(mappings, {
 | 
						|
            generated: 'i0.ɵɵtextInterpolate(1 + 2)',
 | 
						|
            source: '{{ 1 + 2 }}',
 | 
						|
            sourceUrl: '../extraRootDir/test.html'
 | 
						|
          });
 | 
						|
        });
 | 
						|
      });
 | 
						|
    }
 | 
						|
 | 
						|
    function compileAndMap(template: string, templateUrl: string|null = null) {
 | 
						|
      const templateConfig = templateUrl ? `templateUrl: '${templateUrl}'` :
 | 
						|
                                           ('template: `' + template.replace(/`/g, '\\`') + '`');
 | 
						|
      env.write('test.ts', `
 | 
						|
        import {Component, Directive, Input, Output, EventEmitter, Pipe, NgModule} from '@angular/core';
 | 
						|
 | 
						|
        @Directive({
 | 
						|
          selector: '[ngModel],[attr],[ngModelChange]'
 | 
						|
        })
 | 
						|
        export class AllDirective {
 | 
						|
          @Input() ngModel!: any;
 | 
						|
          @Output() ngModelChange = new EventEmitter<any>();
 | 
						|
          @Input() attr!: any;
 | 
						|
        }
 | 
						|
 | 
						|
        @Pipe({name: 'percent'})
 | 
						|
        export class PercentPipe {
 | 
						|
          transform(v: any) {}
 | 
						|
        }
 | 
						|
 | 
						|
        @Component({
 | 
						|
          selector: 'test-cmp',
 | 
						|
          ${templateConfig}
 | 
						|
        })
 | 
						|
        export class TestCmp {
 | 
						|
          name = '';
 | 
						|
          isInitial = false;
 | 
						|
          doSomething() {}
 | 
						|
          items: any[] = [];
 | 
						|
          greeting = '';
 | 
						|
        }
 | 
						|
 | 
						|
        @NgModule({
 | 
						|
          declarations: [TestCmp, AllDirective, PercentPipe],
 | 
						|
        })
 | 
						|
        export class Module {}
 | 
						|
    `);
 | 
						|
      if (templateUrl) {
 | 
						|
        env.write(templateUrl, template);
 | 
						|
      }
 | 
						|
      env.driveMain();
 | 
						|
      return getMappedSegments(env, 'test.js');
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Helper function for debugging failed mappings.
 | 
						|
     * This lays out the segment mappings in the console to make it easier to compare.
 | 
						|
     */
 | 
						|
    function dumpMappings(mappings: SegmentMapping[]) {
 | 
						|
      mappings.forEach(map => {
 | 
						|
        // tslint:disable-next-line:no-console
 | 
						|
        console.log(
 | 
						|
            padValue(map.sourceUrl, 20, 0) + ' : ' + padValue(inspect(map.source), 100, 23) +
 | 
						|
            ' : ' + inspect(map.generated));
 | 
						|
      });
 | 
						|
      function padValue(value: string, max: number, start: number) {
 | 
						|
        const padding = value.length > max ? ('\n' +
 | 
						|
                                              ' '.repeat(max + start)) :
 | 
						|
                                             ' '.repeat(max - value.length);
 | 
						|
        return value + padding;
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    function expectMapping(mappings: SegmentMapping[], expected: SegmentMapping): void {
 | 
						|
      if (mappings.some(
 | 
						|
              m => m.generated === expected.generated && m.source === expected.source &&
 | 
						|
                  m.sourceUrl === expected.sourceUrl)) {
 | 
						|
        return;
 | 
						|
      }
 | 
						|
      const matchingGenerated = mappings.filter(m => m.generated === expected.generated);
 | 
						|
      const matchingSource = mappings.filter(m => m.source === expected.source);
 | 
						|
 | 
						|
      const message = [
 | 
						|
        'Expected mappings to contain the following mapping',
 | 
						|
        prettyPrintMapping(expected),
 | 
						|
      ];
 | 
						|
      if (matchingGenerated.length > 0) {
 | 
						|
        message.push('');
 | 
						|
        message.push('There are the following mappings that match the generated text:');
 | 
						|
        matchingGenerated.forEach(m => message.push(prettyPrintMapping(m)));
 | 
						|
      }
 | 
						|
      if (matchingSource.length > 0) {
 | 
						|
        message.push('');
 | 
						|
        message.push('There are the following mappings that match the source text:');
 | 
						|
        matchingSource.forEach(m => message.push(prettyPrintMapping(m)));
 | 
						|
      }
 | 
						|
 | 
						|
      fail(message.join('\n'));
 | 
						|
    }
 | 
						|
 | 
						|
    function prettyPrintMapping(mapping: SegmentMapping): string {
 | 
						|
      return [
 | 
						|
        '{',
 | 
						|
        `  generated: ${JSON.stringify(mapping.generated)}`,
 | 
						|
        `  source:    ${JSON.stringify(mapping.source)}`,
 | 
						|
        `  sourceUrl: ${JSON.stringify(mapping.sourceUrl)}`,
 | 
						|
        '}',
 | 
						|
      ].join('\n');
 | 
						|
    }
 | 
						|
  });
 | 
						|
});
 |