c885178d5f
Reworks the compiler to output the factories for directives, components and pipes under a new static field called `ngFactoryFn`, instead of the usual `factory` property in their respective defs. This should eventually allow us to inject any kind of decorated class (e.g. a pipe). **Note:** these changes are the first part of the refactor and they don't include injectables. I decided to leave injectables for a follow-up PR, because there's some more cases we need to handle when it comes to their factories. Furthermore, directives, components and pipes make up most of the compiler output tests that need to be refactored and it'll make follow-up PRs easier to review if the tests are cleaned up now. This is part of the larger refactor for FW-1468. PR Close #31953
112 lines
3.4 KiB
TypeScript
112 lines
3.4 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {EventEmitter} from '@angular/core';
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import {ɵɵdefineComponent, ɵɵdefineDirective} from '../../src/render3/index';
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import {ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵlistener, ɵɵtext} from '../../src/render3/instructions/all';
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import {RenderFlags} from '../../src/render3/interfaces/definition';
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import {renderToHtml} from './render_util';
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describe('outputs', () => {
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let buttonToggle: ButtonToggle;
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class ButtonToggle {
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change = new EventEmitter();
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resetStream = new EventEmitter();
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static ngFactoryDef = () => buttonToggle = new ButtonToggle();
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static ngComponentDef = ɵɵdefineComponent({
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type: ButtonToggle,
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selectors: [['button-toggle']],
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template: function(rf: RenderFlags, ctx: any) {},
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consts: 0,
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vars: 0,
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outputs: {change: 'change', resetStream: 'reset'}
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});
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}
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let otherDir: OtherDir;
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class OtherDir {
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changeStream = new EventEmitter();
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static ngFactoryDef = () => otherDir = new OtherDir;
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static ngDirectiveDef = ɵɵdefineDirective(
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{type: OtherDir, selectors: [['', 'otherDir', '']], outputs: {changeStream: 'change'}});
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}
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const deps = [ButtonToggle, OtherDir];
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it('should work with outputs at same index in if block', () => {
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/**
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* <button (click)="onClick()">Click me</button> // outputs: null
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* % if (condition) {
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* <button-toggle (change)="onChange()"></button-toggle> // outputs: {change: [0, 'change']}
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* % } else {
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* <div otherDir (change)="onChange()"></div> // outputs: {change: [0,
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* 'changeStream']}
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* % }
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*/
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function Template(rf: RenderFlags, ctx: any) {
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if (rf & RenderFlags.Create) {
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ɵɵelementStart(0, 'button');
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{
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ɵɵlistener('click', function() { return ctx.onClick(); });
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ɵɵtext(1, 'Click me');
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}
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ɵɵelementEnd();
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ɵɵcontainer(2);
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}
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if (rf & RenderFlags.Update) {
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ɵɵcontainerRefreshStart(2);
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{
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if (ctx.condition) {
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let rf1 = ɵɵembeddedViewStart(0, 1, 0);
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if (rf1 & RenderFlags.Create) {
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ɵɵelementStart(0, 'button-toggle');
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{
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ɵɵlistener('change', function() { return ctx.onChange(); });
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}
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ɵɵelementEnd();
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}
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ɵɵembeddedViewEnd();
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} else {
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if (ɵɵembeddedViewStart(1, 1, 0)) {
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ɵɵelementStart(0, 'div', ['otherDir', '']);
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{
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ɵɵlistener('change', function() { return ctx.onChange(); });
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}
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ɵɵelementEnd();
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}
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ɵɵembeddedViewEnd();
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}
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}
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ɵɵcontainerRefreshEnd();
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}
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}
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let counter = 0;
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const ctx = {condition: true, onChange: () => counter++, onClick: () => {}};
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renderToHtml(Template, ctx, 3, 0, deps);
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buttonToggle !.change.next();
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expect(counter).toEqual(1);
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ctx.condition = false;
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renderToHtml(Template, ctx, 3, 0, deps);
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expect(counter).toEqual(1);
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otherDir !.changeStream.next();
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expect(counter).toEqual(2);
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});
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});
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