feat(ivy): implement esm2015 and esm5 ngcc file renderers (#24897)
PR Close #24897
This commit is contained in:
Pete Bacon Darwin
committed by
Igor Minar
Igor Minar
parent
844d510d3f
commit
5b32aa4486
@ -0,0 +1,188 @@
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/**
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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 * as ts from 'typescript';
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import MagicString from 'magic-string';
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import {makeProgram} from '../helpers/utils';
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import {Analyzer} from '../../src/analyzer';
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import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
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import {Esm2015FileParser} from '../../src/parsing/esm2015_parser';
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import {Esm2015Renderer} from '../../src/rendering/esm2015_renderer';
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function setup(file: {name: string, contents: string}) {
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const program = makeProgram(file);
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const host = new Esm2015ReflectionHost(program.getTypeChecker());
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const parser = new Esm2015FileParser(program, host);
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const analyzer = new Analyzer(program.getTypeChecker(), host);
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const renderer = new Esm2015Renderer(host);
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return {analyzer, host, parser, program, renderer};
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}
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function analyze(parser: Esm2015FileParser, analyzer: Analyzer, file: ts.SourceFile) {
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const parsedFiles = parser.parseFile(file);
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return parsedFiles.map(file => analyzer.analyzeFile(file))[0];
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}
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describe('Esm2015Renderer', () => {
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describe('addImports', () => {
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it('should insert the given imports at the start of the source file', () => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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// Some other content`
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};
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const {renderer} = setup(PROGRAM);
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const output = new MagicString(PROGRAM.contents);
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renderer.addImports(
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output, [{name: '@angular/core', as: 'i0'}, {name: '@angular/common', as: 'i1'}]);
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expect(output.toString())
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.toEqual(
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`import * as i0 from '@angular/core';\n` +
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`import * as i1 from '@angular/common';\n` + PROGRAM.contents);
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});
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});
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describe('addDefinitions', () => {
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it('should insert the definitions directly after the class declaration', () => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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// Some other content`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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renderer.addDefinitions(output, analyzedFile.analyzedClasses[0], 'SOME DEFINITION TEXT');
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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SOME DEFINITION TEXT
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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// Some other content`);
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});
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});
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describe('removeDecorators', () => {
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it('should delete the decorator (and following comma) that was matched in the analysis', () => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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// Some other content`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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const analyzedClass = analyzedFile.analyzedClasses[0];
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const decoratorsToRemove = new Map<ts.Node, ts.Node[]>();
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decoratorsToRemove.set(
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analyzedClass.decorators[0].node.parent !, [analyzedClass.decorators[0].node]);
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renderer.removeDecorators(output, decoratorsToRemove);
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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A.decorators = [
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{ type: Other }
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];
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// Some other content`);
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});
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it('should delete the decorator (but cope with no trailing comma) that was matched in the analysis',
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() => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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A.decorators = [
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{ type: Other },
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{ type: Directive, args: [{ selector: '[a]' }] }
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];
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// Some other content`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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const analyzedClass = analyzedFile.analyzedClasses[0];
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const decoratorsToRemove = new Map<ts.Node, ts.Node[]>();
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decoratorsToRemove.set(
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analyzedClass.decorators[0].node.parent !, [analyzedClass.decorators[1].node]);
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renderer.removeDecorators(output, decoratorsToRemove);
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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A.decorators = [
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{ type: Other },
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];
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// Some other content`);
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});
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it('should delete the decorator (and its container if there are not other decorators left) that was matched in the analysis',
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() => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] }
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];
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// Some other content`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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const analyzedClass = analyzedFile.analyzedClasses[0];
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const decoratorsToRemove = new Map<ts.Node, ts.Node[]>();
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decoratorsToRemove.set(
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analyzedClass.decorators[0].node.parent !, [analyzedClass.decorators[0].node]);
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renderer.removeDecorators(output, decoratorsToRemove);
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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export class A {}
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// Some other content`);
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});
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});
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});
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@ -0,0 +1,223 @@
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/**
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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 * as ts from 'typescript';
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import MagicString from 'magic-string';
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import {makeProgram} from '../helpers/utils';
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import {Analyzer} from '../../src/analyzer';
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import {Esm5ReflectionHost} from '../../src/host/esm5_host';
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import {Esm5FileParser} from '../../src/parsing/esm5_parser';
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import {Esm5Renderer} from '../../src/rendering/esm5_renderer';
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function setup(file: {name: string, contents: string}) {
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const program = makeProgram(file);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const parser = new Esm5FileParser(program, host);
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const analyzer = new Analyzer(program.getTypeChecker(), host);
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const renderer = new Esm5Renderer(host);
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return {analyzer, host, parser, program, renderer};
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}
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function analyze(parser: Esm5FileParser, analyzer: Analyzer, file: ts.SourceFile) {
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const parsedFiles = parser.parseFile(file);
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return parsedFiles.map(file => analyzer.analyzeFile(file))[0];
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}
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describe('Esm5Renderer', () => {
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describe('addImports', () => {
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it('should insert the given imports at the start of the source file', () => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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return A;
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}());
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// Some other content
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export {A};`
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};
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const {renderer} = setup(PROGRAM);
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const output = new MagicString(PROGRAM.contents);
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renderer.addImports(
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output, [{name: '@angular/core', as: 'i0'}, {name: '@angular/common', as: 'i1'}]);
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expect(output.toString())
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.toEqual(
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`import * as i0 from '@angular/core';\n` +
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`import * as i1 from '@angular/common';\n` + PROGRAM.contents);
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});
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});
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describe('addDefinitions', () => {
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it('should insert the definitions directly after the class declaration', () => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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return A;
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}());
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// Some other content
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export {A};`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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renderer.addDefinitions(output, analyzedFile.analyzedClasses[0], 'SOME DEFINITION TEXT');
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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SOME DEFINITION TEXT
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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return A;
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}());
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// Some other content
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export {A};`);
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});
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});
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describe('removeDecorators', () => {
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it('should delete the decorator (and following comma) that was matched in the analysis', () => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] },
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{ type: Other }
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];
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return A;
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}());
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// Some other content
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export {A};`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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const analyzedClass = analyzedFile.analyzedClasses[0];
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const decoratorsToRemove = new Map<ts.Node, ts.Node[]>();
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decoratorsToRemove.set(
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analyzedClass.decorators[0].node.parent !, [analyzedClass.decorators[0].node]);
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renderer.removeDecorators(output, decoratorsToRemove);
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Other }
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];
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return A;
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}());
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// Some other content
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export {A};`);
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});
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it('should delete the decorator (but cope with no trailing comma) that was matched in the analysis',
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() => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Other },
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{ type: Directive, args: [{ selector: '[a]' }] }
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];
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return A;
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}());
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// Some other content
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export {A};`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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const analyzedClass = analyzedFile.analyzedClasses[0];
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const decoratorsToRemove = new Map<ts.Node, ts.Node[]>();
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decoratorsToRemove.set(
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analyzedClass.decorators[0].node.parent !, [analyzedClass.decorators[1].node]);
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renderer.removeDecorators(output, decoratorsToRemove);
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Other },
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];
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return A;
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}());
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// Some other content
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export {A};`);
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});
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it('should delete the decorator (and its container if there are not other decorators left) that was matched in the analysis',
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() => {
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const PROGRAM = {
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name: 'some/file.js',
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contents: `
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] }
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];
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return A;
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}());
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// Some other content
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export {A};`
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};
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const {analyzer, parser, program, renderer} = setup(PROGRAM);
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const analyzedFile = analyze(parser, analyzer, program.getSourceFile(PROGRAM.name) !);
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const output = new MagicString(PROGRAM.contents);
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const analyzedClass = analyzedFile.analyzedClasses[0];
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const decoratorsToRemove = new Map<ts.Node, ts.Node[]>();
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decoratorsToRemove.set(
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analyzedClass.decorators[0].node.parent !, [analyzedClass.decorators[0].node]);
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renderer.removeDecorators(output, decoratorsToRemove);
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expect(output.toString()).toEqual(`
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/* A copyright notice */
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import {Directive} from '@angular/core';
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var A = (function() {
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function A() {}
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return A;
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}());
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// Some other content
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export {A};`);
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});
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});
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});
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182
packages/compiler-cli/src/ngcc/test/rendering/renderer_spec.ts
Normal file
182
packages/compiler-cli/src/ngcc/test/rendering/renderer_spec.ts
Normal file
@ -0,0 +1,182 @@
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/**
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* @license
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||||
* Copyright Google Inc. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by an MIT-style license that can be
|
||||
* found in the LICENSE file at https://angular.io/license
|
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*/
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import * as fs from 'fs';
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import * as ts from 'typescript';
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import MagicString from 'magic-string';
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import {fromObject, generateMapFileComment} from 'convert-source-map';
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import {makeProgram} from '../helpers/utils';
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import {AnalyzedClass, Analyzer} from '../../src/analyzer';
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import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
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import {Esm2015FileParser} from '../../src/parsing/esm2015_parser';
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import {Renderer} from '../../src/rendering/renderer';
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class TestRenderer extends Renderer {
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addImports(output: MagicString, imports: {name: string, as: string}[]) {
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output.prepend('\n// ADD IMPORTS\n');
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}
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addDefinitions(output: MagicString, analyzedClass: AnalyzedClass, definitions: string) {
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output.prepend('\n// ADD DEFINITIONS\n');
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}
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removeDecorators(output: MagicString, decoratorsToRemove: Map<ts.Node, ts.Node[]>) {
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output.prepend('\n// REMOVE DECORATORS\n');
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}
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}
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function createTestRenderer() {
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const renderer = new TestRenderer();
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spyOn(renderer, 'addImports').and.callThrough();
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spyOn(renderer, 'addDefinitions').and.callThrough();
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spyOn(renderer, 'removeDecorators').and.callThrough();
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return renderer as jasmine.SpyObj<TestRenderer>;
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}
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function analyze(file: {name: string, contents: string}) {
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const program = makeProgram(file);
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const host = new Esm2015ReflectionHost(program.getTypeChecker());
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const parser = new Esm2015FileParser(program, host);
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const analyzer = new Analyzer(program.getTypeChecker(), host);
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const parsedFiles = parser.parseFile(program.getSourceFile(file.name) !);
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return parsedFiles.map(file => analyzer.analyzeFile(file));
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}
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describe('Renderer', () => {
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const INPUT_PROGRAM = {
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name: '/file.js',
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contents:
|
||||
`import { Directive } from '@angular/core';\nexport class A {\n foo(x) {\n return x;\n }\n}\nA.decorators = [\n { type: Directive, args: [{ selector: '[a]' }] }\n];\n`
|
||||
};
|
||||
const INPUT_PROGRAM_MAP = fromObject({
|
||||
'version': 3,
|
||||
'file': '/file.js',
|
||||
'sourceRoot': '',
|
||||
'sources': ['/file.ts'],
|
||||
'names': [],
|
||||
'mappings':
|
||||
'AAAA,OAAO,EAAE,SAAS,EAAE,MAAM,eAAe,CAAC;AAC1C,MAAM;IACF,GAAG,CAAC,CAAS;QACT,OAAO,CAAC,CAAC;IACb,CAAC;;AACM,YAAU,GAAG;IAChB,EAAE,IAAI,EAAE,SAAS,EAAE,IAAI,EAAE,CAAC,EAAE,QAAQ,EAAE,KAAK,EAAE,CAAC,EAAE;CACnD,CAAC',
|
||||
'sourcesContent': [
|
||||
'import { Directive } from \'@angular/core\';\nexport class A {\n foo(x: string): string {\n return x;\n }\n static decorators = [\n { type: Directive, args: [{ selector: \'[a]\' }] }\n ];\n}'
|
||||
]
|
||||
});
|
||||
const RENDERED_CONTENTS =
|
||||
`\n// REMOVE DECORATORS\n\n// ADD IMPORTS\n\n// ADD DEFINITIONS\n` + INPUT_PROGRAM.contents;
|
||||
const OUTPUT_PROGRAM_MAP = fromObject({
|
||||
'version': 3,
|
||||
'file': '/output_file.js',
|
||||
'sources': ['/file.js'],
|
||||
'sourcesContent': [
|
||||
'import { Directive } from \'@angular/core\';\nexport class A {\n foo(x) {\n return x;\n }\n}\nA.decorators = [\n { type: Directive, args: [{ selector: \'[a]\' }] }\n];\n'
|
||||
],
|
||||
'names': [],
|
||||
'mappings': ';;;;;;AAAA;;;;;;;;;'
|
||||
});
|
||||
|
||||
const MERGED_OUTPUT_PROGRAM_MAP = fromObject({
|
||||
'version': 3,
|
||||
'sources': ['/file.ts'],
|
||||
'names': [],
|
||||
'mappings': ';;;;;;AAAA',
|
||||
'file': '/output_file.js',
|
||||
'sourcesContent': [
|
||||
'import { Directive } from \'@angular/core\';\nexport class A {\n foo(x: string): string {\n return x;\n }\n static decorators = [\n { type: Directive, args: [{ selector: \'[a]\' }] }\n ];\n}'
|
||||
]
|
||||
});
|
||||
|
||||
describe('renderFile()', () => {
|
||||
it('should render the modified contents; and a new map file, if the original provided no map file.',
|
||||
() => {
|
||||
const renderer = createTestRenderer();
|
||||
const analyzedFiles = analyze(INPUT_PROGRAM);
|
||||
const result = renderer.renderFile(analyzedFiles[0], '/output_file.js');
|
||||
expect(result.source.path).toEqual('/output_file.js');
|
||||
expect(result.source.contents)
|
||||
.toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('/output_file.js.map'));
|
||||
expect(result.map !.path).toEqual('/output_file.js.map');
|
||||
expect(result.map !.contents).toEqual(OUTPUT_PROGRAM_MAP.toJSON());
|
||||
});
|
||||
|
||||
it('should call addImports with the source code and info about the core Angular library.',
|
||||
() => {
|
||||
const renderer = createTestRenderer();
|
||||
const analyzedFiles = analyze(INPUT_PROGRAM);
|
||||
renderer.renderFile(analyzedFiles[0], '/output_file.js');
|
||||
expect(renderer.addImports.calls.first().args[0].toString()).toEqual(RENDERED_CONTENTS);
|
||||
expect(renderer.addImports.calls.first().args[1]).toEqual([
|
||||
{name: '@angular/core', as: 'ɵngcc0'}
|
||||
]);
|
||||
});
|
||||
|
||||
it('should call addDefinitions with the source code, the analyzed class and the renderered definitions.',
|
||||
() => {
|
||||
const renderer = createTestRenderer();
|
||||
const analyzedFile = analyze(INPUT_PROGRAM)[0];
|
||||
renderer.renderFile(analyzedFile, '/output_file.js');
|
||||
expect(renderer.addDefinitions.calls.first().args[0].toString())
|
||||
.toEqual(RENDERED_CONTENTS);
|
||||
expect(renderer.addDefinitions.calls.first().args[1])
|
||||
.toBe(analyzedFile.analyzedClasses[0]);
|
||||
expect(renderer.addDefinitions.calls.first().args[2])
|
||||
.toEqual(
|
||||
`A.ngDirectiveDef = ɵngcc0.ɵdefineDirective({ type: A, selectors: [["", "a", ""]], factory: function A_Factory() { return new A(); } });`);
|
||||
});
|
||||
|
||||
it('should call removeDecorators with the source code, a map of class decorators that have been analyzed',
|
||||
() => {
|
||||
const renderer = createTestRenderer();
|
||||
const analyzedFile = analyze(INPUT_PROGRAM)[0];
|
||||
renderer.renderFile(analyzedFile, '/output_file.js');
|
||||
expect(renderer.removeDecorators.calls.first().args[0].toString())
|
||||
.toEqual(RENDERED_CONTENTS);
|
||||
|
||||
// Each map key is the TS node of the decorator container
|
||||
// Each map value is an array of TS nodes that are the decorators to remove
|
||||
const map = renderer.removeDecorators.calls.first().args[1] as Map<ts.Node, ts.Node[]>;
|
||||
const keys = Array.from(map.keys());
|
||||
expect(keys.length).toEqual(1);
|
||||
expect(keys[0].getText())
|
||||
.toEqual(`[\n { type: Directive, args: [{ selector: '[a]' }] }\n]`);
|
||||
const values = Array.from(map.values());
|
||||
expect(values.length).toEqual(1);
|
||||
expect(values[0].length).toEqual(1);
|
||||
expect(values[0][0].getText()).toEqual(`{ type: Directive, args: [{ selector: '[a]' }] }`);
|
||||
});
|
||||
|
||||
it('should merge any inline source map from the original file and write the output as an inline source map',
|
||||
() => {
|
||||
const renderer = createTestRenderer();
|
||||
const analyzedFiles = analyze({
|
||||
...INPUT_PROGRAM,
|
||||
contents: INPUT_PROGRAM.contents + '\n' + INPUT_PROGRAM_MAP.toComment()
|
||||
});
|
||||
const result = renderer.renderFile(analyzedFiles[0], '/output_file.js');
|
||||
expect(result.source.path).toEqual('/output_file.js');
|
||||
expect(result.source.contents)
|
||||
.toEqual(RENDERED_CONTENTS + '\n' + MERGED_OUTPUT_PROGRAM_MAP.toComment());
|
||||
expect(result.map).toBe(null);
|
||||
});
|
||||
|
||||
it('should merge any external source map from the original file and write the output to an external source map',
|
||||
() => {
|
||||
// Mock out reading the map file from disk
|
||||
const readFileSyncSpy =
|
||||
spyOn(fs, 'readFileSync').and.returnValue(INPUT_PROGRAM_MAP.toJSON());
|
||||
const renderer = createTestRenderer();
|
||||
const analyzedFiles = analyze({
|
||||
...INPUT_PROGRAM,
|
||||
contents: INPUT_PROGRAM.contents + '\n//# sourceMappingURL=file.js.map'
|
||||
});
|
||||
const result = renderer.renderFile(analyzedFiles[0], '/output_file.js');
|
||||
expect(result.source.path).toEqual('/output_file.js');
|
||||
expect(result.source.contents)
|
||||
.toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('/output_file.js.map'));
|
||||
expect(result.map !.path).toEqual('/output_file.js.map');
|
||||
expect(result.map !.contents).toEqual(MERGED_OUTPUT_PROGRAM_MAP.toJSON());
|
||||
});
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user