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fix(ivy): generate lifecycle pattern (#21865)

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Implement the lifecycle pattern defined in #21793

PR Close #21865
This commit is contained in:
Chuck Jazdzewski
2018-01-29 10:36:56 -08:00
committed by Alex Rickabaugh
parent d3c2aa5f95
commit f816666ede
2 changed files with 128 additions and 3 deletions
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90
packages/compiler/test/render3/r3_view_compiler_spec.ts
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@ -237,6 +237,8 @@ describe('r3_view_compiler', () => {
IDENT.ɵe();
IDENT.ɵT(3, '!');
}
ChildComponent.ngComponentDef.h(1, 0);
SomeDirective.ngDirectiveDef.h(2, 0);
IDENT.ɵr(1, 0);
IDENT.ɵr(2, 0);
}
@ -300,6 +302,7 @@ describe('r3_view_compiler', () => {
IDENT.ɵe();
}
const IDENT = IDENT.ɵm(1);
IfDirective.ngDirectiveDef.h(3,2);
IDENT.ɵcR(2);
IDENT.ɵr(3,2);
IDENT.ɵcr();
@ -443,6 +446,90 @@ describe('r3_view_compiler', () => {
expectEmit(source, locals, 'Incorrect locals constant definition');
});
describe('lifecycle hooks', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
let events: string[] = [];
@Component({selector: 'lifecycle-comp', template: ''})
export class LifecycleComp {
@Input('name') nameMin: string;
ngOnChanges() { events.push('changes' + this.nameMin); }
ngOnInit() { events.push('init' + this.nameMin); }
ngDoCheck() { events.push('check' + this.nameMin); }
ngAfterContentInit() { events.push('content init' + this.nameMin); }
ngAfterContentChecked() { events.push('content check' + this.nameMin); }
ngAfterViewInit() { events.push('view init' + this.nameMin); }
ngAfterViewChecked() { events.push('view check' + this.nameMin); }
ngOnDestroy() { events.push(this.nameMin); }
}
@Component({
selector: 'simple-layout',
template: \`
<lifecycle-comp [name]="name1"></lifecycle-comp>
<lifecycle-comp [name]="name2"></lifecycle-comp>
\`
})
export class SimpleLayout {
name1 = '1';
name2 = '2';
}
@NgModule({declarations: [LifecycleComp, SimpleLayout]}
export class LifecycleModule {}
`
}
};
it('should gen hooks with a few simple components', () => {
const LifecycleCompDefinition = `
static ngComponentDef = IDENT.ɵdefineComponent({
type: LifecycleComp,
tag: 'lifecycle-comp',
factory: function LifecycleComp_Factory() { return new LifecycleComp(); },
template: function LifecycleComp_Template(ctx: any, cm: boolean) {},
inputs: {nameMin: 'name'},
features: [IDENT.ɵNgOnChangesFeature(LifecycleComp)]
});`;
const SimpleLayoutDefinition = `
static ngComponentDef = IDENT.ɵdefineComponent({
type: SimpleLayout,
tag: 'simple-layout',
factory: function SimpleLayout_Factory() { return new SimpleLayout(); },
template: function SimpleLayout_Template(ctx: any, cm: boolean) {
if (cm) {
IDENT.ɵE(0, LifecycleComp);
IDENT.ɵe();
IDENT.ɵE(2, LifecycleComp);
IDENT.ɵe();
}
IDENT.ɵp(0, 'name', IDENT.ɵb(ctx.name1));
IDENT.ɵp(2, 'name', IDENT.ɵb(ctx.name2));
IDENT.h(1, 0);
IDENT.h(3, 2);
IDENT.ɵr(1, 0);
IDENT.ɵr(3, 2);
}
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, LifecycleCompDefinition, 'Invalid LifecycleComp definition');
expectEmit(source, SimpleLayoutDefinition, 'Invalid SimpleLayout definition');
});
});
describe('template variables', () => {
const shared = {
shared: {
@ -545,6 +632,7 @@ describe('r3_view_compiler', () => {
IDENT.ɵe();
}
IDENT.ɵp(1, 'forOf', IDENT.ɵb(ctx.items));
ForOfDirective.ngDirectiveDef.h(2, 1);
IDENT.ɵcR(1);
IDENT.ɵr(2, 1);
IDENT.ɵcr();
@ -619,6 +707,7 @@ describe('r3_view_compiler', () => {
IDENT.ɵe();
}
IDENT.ɵp(1, 'forOf', IDENT.ɵb(ctx.items));
IDENT.h(2,1);
IDENT.ɵcR(1);
IDENT.ɵr(2, 1);
IDENT.ɵcr();
@ -636,6 +725,7 @@ describe('r3_view_compiler', () => {
}
const IDENT = ctx0.$implicit;
IDENT.ɵp(4, 'forOf', IDENT.ɵb(IDENT.infos));
IDENT.h(5,4);
IDENT.ɵt(2, IDENT.ɵb1('', IDENT.name, ''));
IDENT.ɵcR(4);
IDENT.ɵr(5, 4);