/** * @license * 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 */ import {AttributeMarker, InitialStylingFlags} from '@angular/compiler/src/core'; import {setup} from '@angular/compiler/test/aot/test_util'; import {compile, expectEmit} from './mock_compile'; /* These tests are codified version of the tests in compiler_canonical_spec.ts. Every * test in compiler_canonical_spec.ts should have a corresponding test here. */ describe('compiler compliance', () => { const angularFiles = setup({ compileAngular: false, compileAnimations: false, compileFakeCore: true, }); describe('elements', () => { it('should handle SVG', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`

test

\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; // The factory should look like this: const factory = 'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }'; // The template should look like this (where IDENT is a wild card for an identifier): const template = ` const $c1$ = ["title", "Hello"]; const $c2$ = ["my-app", ${InitialStylingFlags.VALUES_MODE}, "my-app", true]; const $c3$ = ["cx", "20", "cy", "30", "r", "50"]; … template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "div", $c1$); $r3$.ɵelementStyling($c2$); $r3$.ɵnamespaceSVG(); $r3$.ɵelementStart(1, "svg"); $r3$.ɵelement(2, "circle", $c3$); $r3$.ɵelementEnd(); $r3$.ɵnamespaceHTML(); $r3$.ɵelementStart(3, "p"); $r3$.ɵtext(4, "test"); $r3$.ɵelementEnd(); $r3$.ɵelementEnd(); } } `; const result = compile(files, angularFiles); expectEmit(result.source, factory, 'Incorrect factory'); expectEmit(result.source, template, 'Incorrect template'); }); it('should handle MathML', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`

test

\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; // The factory should look like this: const factory = 'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }'; // The template should look like this (where IDENT is a wild card for an identifier): const template = ` const $c1$ = ["title", "Hello"]; const $c2$ = ["my-app", ${InitialStylingFlags.VALUES_MODE}, "my-app", true]; … template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "div", $c1$); $r3$.ɵelementStyling($c2$); $r3$.ɵnamespaceMathML(); $r3$.ɵelementStart(1, "math"); $r3$.ɵelement(2, "infinity"); $r3$.ɵelementEnd(); $r3$.ɵnamespaceHTML(); $r3$.ɵelementStart(3, "p"); $r3$.ɵtext(4, "test"); $r3$.ɵelementEnd(); $r3$.ɵelementEnd(); } } `; const result = compile(files, angularFiles); expectEmit(result.source, factory, 'Incorrect factory'); expectEmit(result.source, template, 'Incorrect template'); }); it('should translate DOM structure', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
Hello World!
\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; // The factory should look like this: const factory = 'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }'; // The template should look like this (where IDENT is a wild card for an identifier): const template = ` const $c1$ = ["title", "Hello"]; const $c2$ = ["my-app", ${InitialStylingFlags.VALUES_MODE}, "my-app", true]; … template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "div", $c1$); $r3$.ɵelementStyling($c2$); $r3$.ɵtext(1, "Hello "); $r3$.ɵelementStart(2, "b"); $r3$.ɵtext(3, "World"); $r3$.ɵelementEnd(); $r3$.ɵtext(4, "!"); $r3$.ɵelementEnd(); } } `; const result = compile(files, angularFiles); expectEmit(result.source, factory, 'Incorrect factory'); expectEmit(result.source, template, 'Incorrect template'); }); // TODO(https://github.com/angular/angular/issues/24426): We need to support the parser actually // building the proper attributes based off of xmlns atttribuates. xit('should support namspaced attributes', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
Hello World!
\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; // The factory should look like this: const factory = 'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }'; // The template should look like this (where IDENT is a wild card for an identifier): const template = ` const $e0_attrs$ = ["class", "my-app", 0, "http://someuri/foo", "foo:bar", "baz", "title", "Hello", 0, "http://someuri/foo", "foo:qux", "quacks"]; … template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "div", $e0_attrs$); $r3$.ɵtext(1, "Hello "); $r3$.ɵelementStart(2, "b"); $r3$.ɵtext(3, "World"); $r3$.ɵelementEnd(); $r3$.ɵtext(4, "!"); $r3$.ɵelementEnd(); } } `; const result = compile(files, angularFiles); expectEmit(result.source, factory, 'Incorrect factory'); expectEmit(result.source, template, 'Incorrect template'); }); it('should support ', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`in a container\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; // The template should look like this (where IDENT is a wild card for an identifier): const template = ` … template: function MyComponent_Template(rf, ctx) { if (rf & 1) { i0.ɵelementContainerStart(0); i0.ɵelementStart(1, "span"); i0.ɵtext(2, "in a "); i0.ɵelementEnd(); i0.ɵtext(3, "container"); i0.ɵelementContainerEnd(); } } `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); it('should generate elementContainerStart/End instructions for empty ', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; // The template should look like this (where IDENT is a wild card for an identifier): const template = ` … template: function MyComponent_Template(rf, ctx) { if (rf & 1) { i0.ɵelementContainerStart(0); i0.ɵelementContainerEnd(); } } `; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); it('should bind to element properties', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { id = 'one'; } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const factory = 'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }'; const template = ` const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "id"]; … template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "div", $e0_attrs$); } if (rf & 2) { $r3$.ɵelementProperty(0, "id", $r3$.ɵbind(ctx.id)); } } `; const result = compile(files, angularFiles); expectEmit(result.source, factory, 'Incorrect factory'); expectEmit(result.source, template, 'Incorrect template'); }); it('should reserve slots for pure functions', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { id = 'one'; } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const $e0_attrs$ = []; const factory = 'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }'; const template = ` template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "div", $e0_attrs$); $r3$.ɵpipe(1,"pipe"); } if (rf & 2) { $r3$.ɵelementProperty(0, "ternary", $r3$.ɵbind((ctx.cond ? $r3$.ɵpureFunction1(8, $c0$, ctx.a): $c1$))); $r3$.ɵelementProperty(0, "pipe", $r3$.ɵbind($r3$.ɵpipeBind3(1, 4, ctx.value, 1, 2))); $r3$.ɵelementProperty(0, "and", $r3$.ɵbind((ctx.cond && $r3$.ɵpureFunction1(10, $c0$, ctx.b)))); $r3$.ɵelementProperty(0, "or", $r3$.ɵbind((ctx.cond || $r3$.ɵpureFunction1(12, $c0$, ctx.c)))); } } `; const result = compile(files, angularFiles); expectEmit(result.source, factory, 'Incorrect factory'); expectEmit(result.source, template, 'Incorrect template'); }); it('should bind to class and style names', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
\` }) export class MyComponent { error = true; color = 'red'; } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const factory = 'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }'; const template = ` const _c0 = ["error"]; const _c1 = ["background-color"]; … MyComponent.ngComponentDef = i0.ɵdefineComponent({type:MyComponent,selectors:[["my-component"]], factory: function MyComponent_Factory(t){ return new (t || MyComponent)(); }, consts: 1, vars: 0, template: function MyComponent_Template(rf,ctx){ if (rf & 1) { $r3$.ɵelementStart(0, "div"); $r3$.ɵelementStyling(_c0, _c1); $r3$.ɵelementEnd(); } if (rf & 2) { $r3$.ɵelementStyleProp(0, 0, ctx.color); $r3$.ɵelementClassProp(0, 0, ctx.error); $r3$.ɵelementStylingApply(0); } }, encapsulation: 2 }); `; const result = compile(files, angularFiles); expectEmit(result.source, factory, 'Incorrect factory'); expectEmit(result.source, template, 'Incorrect template'); }); }); describe('components & directives', () => { it('should instantiate directives', () => { const files = { app: { 'spec.ts': ` import {Component, Directive, NgModule} from '@angular/core'; @Component({selector: 'child', template: 'child-view'}) export class ChildComponent {} @Directive({selector: '[some-directive]'}) export class SomeDirective {} @Component({selector: 'my-component', template: '!'}) export class MyComponent {} @NgModule({declarations: [ChildComponent, SomeDirective, MyComponent]}) export class MyModule{} ` } }; // ChildComponent definition should be: const ChildComponentDefinition = ` ChildComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: ChildComponent, selectors: [["child"]], factory: function ChildComponent_Factory(t) { return new (t || ChildComponent)(); }, consts: 1, vars: 0, template: function ChildComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵtext(0, "child-view"); } }, encapsulation: 2 });`; // SomeDirective definition should be: const SomeDirectiveDefinition = ` SomeDirective.ngDirectiveDef = $r3$.ɵdefineDirective({ type: SomeDirective, selectors: [["", "some-directive", ""]], factory: function SomeDirective_Factory(t) {return new (t || SomeDirective)(); } }); `; // MyComponent definition should be: const MyComponentDefinition = ` const $c1$ = ["some-directive", ""]; … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }, consts: 2, vars: 0, template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "child", $c1$); $r3$.ɵtext(1, "!"); } }, directives: [ChildComponent, SomeDirective], encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, ChildComponentDefinition, 'Incorrect ChildComponent.ngComponentDef'); expectEmit(source, SomeDirectiveDefinition, 'Incorrect SomeDirective.ngDirectiveDef'); expectEmit(source, MyComponentDefinition, 'Incorrect MyComponentDefinition.ngComponentDef'); }); it('should support complex selectors', () => { const files = { app: { 'spec.ts': ` import {Directive, NgModule} from '@angular/core'; @Directive({selector: 'div.foo[some-directive]:not([title]):not(.baz)'}) export class SomeDirective {} @Directive({selector: ':not(span[title]):not(.baz)'}) export class OtherDirective {} @NgModule({declarations: [SomeDirective, OtherDirective]}) export class MyModule{} ` } }; // SomeDirective definition should be: const SomeDirectiveDefinition = ` SomeDirective.ngDirectiveDef = $r3$.ɵdefineDirective({ type: SomeDirective, selectors: [["div", "some-directive", "", 8, "foo", 3, "title", "", 9, "baz"]], factory: function SomeDirective_Factory(t) {return new (t || SomeDirective)(); } }); `; // OtherDirective definition should be: const OtherDirectiveDefinition = ` OtherDirective.ngDirectiveDef = $r3$.ɵdefineDirective({ type: OtherDirective, selectors: [["", 5, "span", "title", "", 9, "baz"]], factory: function OtherDirective_Factory(t) {return new (t || OtherDirective)(); } }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, SomeDirectiveDefinition, 'Incorrect SomeDirective.ngDirectiveDef'); expectEmit(source, OtherDirectiveDefinition, 'Incorrect OtherDirective.ngDirectiveDef'); }); it('should support components without selector', () => { const files = { app: { 'spec.ts': ` import {Component, Directive, NgModule} from '@angular/core'; @Directive({}) export class EmptyOutletDirective {} @Component({template: ''}) export class EmptyOutletComponent {} @NgModule({declarations: [EmptyOutletComponent]}) export class MyModule{} ` } }; // EmptyOutletDirective definition should be: const EmptyOutletDirectiveDefinition = ` … EmptyOutletDirective.ngDirectiveDef = $r3$.ɵdefineDirective({ type: EmptyOutletDirective, selectors: [], factory: function EmptyOutletDirective_Factory(t) { return new (t || EmptyOutletDirective)(); } }); `; // EmptyOutletComponent definition should be: const EmptyOutletComponentDefinition = ` … EmptyOutletComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: EmptyOutletComponent, selectors: [["ng-component"]], factory: function EmptyOutletComponent_Factory(t) { return new (t || EmptyOutletComponent)(); }, consts: 1, vars: 0, template: function EmptyOutletComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "router-outlet"); } }, encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit( source, EmptyOutletDirectiveDefinition, 'Incorrect EmptyOutletDirective.ngDirectiveDefDef'); expectEmit( source, EmptyOutletComponentDefinition, 'Incorrect EmptyOutletComponent.ngComponentDef'); }); it('should not treat ElementRef, ViewContainerRef, or ChangeDetectorRef specially when injecting', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, ElementRef, ChangeDetectorRef, ViewContainerRef} from '@angular/core'; @Component({ selector: 'my-component', template: '' }) export class MyComponent { constructor(public el: ElementRef, public vcr: ViewContainerRef, public cdr: ChangeDetectorRef) {} } @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const MyComponentDefinition = ` … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)( $r3$.ɵdirectiveInject(ElementRef), $r3$.ɵdirectiveInject(ViewContainerRef), $r3$.ɵdirectiveInject(ChangeDetectorRef)); }, consts: 0, vars: 0, template: function MyComponent_Template(rf, ctx) {}, encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef'); }); it('should support structural directives', () => { const files = { app: { 'spec.ts': ` import {Component, Directive, NgModule, TemplateRef} from '@angular/core'; @Directive({selector: '[if]'}) export class IfDirective { constructor(template: TemplateRef) { } } @Component({ selector: 'my-component', template: '
  • {{salutation}} {{foo}}
' }) export class MyComponent { salutation = 'Hello'; } @NgModule({declarations: [IfDirective, MyComponent]}) export class MyModule {} ` } }; const IfDirectiveDefinition = ` IfDirective.ngDirectiveDef = $r3$.ɵdefineDirective({ type: IfDirective, selectors: [["", "if", ""]], factory: function IfDirective_Factory(t) { return new (t || IfDirective)($r3$.ɵdirectiveInject(TemplateRef)); } });`; const MyComponentDefinition = ` const $c1$ = ["foo", ""]; const $c2$ = ["if", ""]; function MyComponent_li_Template_2(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "li"); $r3$.ɵtext(1); $r3$.ɵelementEnd(); } if (rf & 2) { const $myComp$ = $r3$.ɵnextContext(); const $foo$ = $r3$.ɵreference(1); $r3$.ɵtextBinding(1, $r3$.ɵinterpolation2("", $myComp$.salutation, " ", $foo$, "")); } } … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }, consts: 3, vars: 0, template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "ul", null, $c1$); $r3$.ɵtemplate(2, MyComponent_li_Template_2, 2, 2, null, $c2$); $r3$.ɵelementEnd(); } }, directives:[IfDirective], encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, IfDirectiveDefinition, 'Incorrect IfDirective.ngDirectiveDef'); expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef'); }); describe('value composition', () => { it('should support array literals', () => { const files = { app: { 'spec.ts': ` import {Component, Input, NgModule} from '@angular/core'; @Component({ selector: 'my-comp', template: \`

{{ names[0] }}

{{ names[1] }}

\` }) export class MyComp { @Input() names: string[]; } @Component({ selector: 'my-app', template: \` \` }) export class MyApp { customName = 'Bess'; } @NgModule({declarations: [MyComp, MyApp]}) export class MyModule { } ` } }; const MyAppDeclaration = ` const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "names"]; const $e0_ff$ = function ($v$) { return ["Nancy", $v$]; }; … MyApp.ngComponentDef = $r3$.ɵdefineComponent({ type: MyApp, selectors: [["my-app"]], factory: function MyApp_Factory(t) { return new (t || MyApp)(); }, consts: 1, vars: 3, template: function MyApp_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "my-comp", $e0_attrs$); } if (rf & 2) { $r3$.ɵelementProperty(0, "names", $r3$.ɵbind($r3$.ɵpureFunction1(1, $e0_ff$, ctx.customName))); } }, directives: [MyComp], encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyAppDeclaration, 'Invalid array emit'); }); it('should support 9+ bindings in array literals', () => { const files = { app: { 'spec.ts': ` import {Component, Input, NgModule} from '@angular/core'; @Component({ selector: 'my-comp', template: \` {{ names[0] }} {{ names[1] }} {{ names[3] }} {{ names[4] }} {{ names[5] }} {{ names[6] }} {{ names[7] }} {{ names[8] }} {{ names[9] }} {{ names[10] }} {{ names[11] }} \` }) export class MyComp { @Input() names: string[]; } @Component({ selector: 'my-app', template: \` \` }) export class MyApp { n0 = 'a'; n1 = 'b'; n2 = 'c'; n3 = 'd'; n4 = 'e'; n5 = 'f'; n6 = 'g'; n7 = 'h'; n8 = 'i'; } @NgModule({declarations: [MyComp, MyApp]}) export class MyModule {} ` } }; const MyAppDefinition = ` const $e0_attr$ = [${AttributeMarker.SelectOnly}, "names"]; const $e0_ff$ = function ($v0$, $v1$, $v2$, $v3$, $v4$, $v5$, $v6$, $v7$, $v8$) { return ["start-", $v0$, $v1$, $v2$, $v3$, $v4$, "-middle-", $v5$, $v6$, $v7$, $v8$, "-end"]; } … MyApp.ngComponentDef = $r3$.ɵdefineComponent({ type: MyApp, selectors: [["my-app"]], factory: function MyApp_Factory(t) { return new (t || MyApp)(); }, consts: 1, vars: 11, template: function MyApp_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "my-comp", $e0_attr$); } if (rf & 2) { $r3$.ɵelementProperty( 0, "names", $r3$.ɵbind($r3$.ɵpureFunctionV(1, $e0_ff$, [ctx.n0, ctx.n1, ctx.n2, ctx.n3, ctx.n4, ctx.n5, ctx.n6, ctx.n7, ctx.n8]))); } }, directives: [MyComp], encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyAppDefinition, 'Invalid array binding'); }); it('should support object literals', () => { const files = { app: { 'spec.ts': ` import {Component, Input, NgModule} from '@angular/core'; @Component({ selector: 'object-comp', template: \`

{{ config['duration'] }}

{{ config.animation }}

\` }) export class ObjectComp { @Input() config: {[key: string]: any}; } @Component({ selector: 'my-app', template: \` \` }) export class MyApp { name = 'slide'; } @NgModule({declarations: [ObjectComp, MyApp]}) export class MyModule {} ` } }; const MyAppDefinition = ` const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "config"]; const $e0_ff$ = function ($v$) { return {"duration": 500, animation: $v$}; }; … MyApp.ngComponentDef = $r3$.ɵdefineComponent({ type: MyApp, selectors: [["my-app"]], factory: function MyApp_Factory(t) { return new (t || MyApp)(); }, consts: 1, vars: 3, template: function MyApp_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "object-comp", $e0_attrs$); } if (rf & 2) { $r3$.ɵelementProperty(0, "config", $r3$.ɵbind($r3$.ɵpureFunction1(1, $e0_ff$, ctx.name))); } }, directives: [ObjectComp], encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyAppDefinition, 'Invalid object literal binding'); }); it('should support expressions nested deeply in object/array literals', () => { const files = { app: { 'spec.ts': ` import {Component, Input, NgModule} from '@angular/core'; @Component({ selector: 'nested-comp', template: \`

{{ config.animation }}

{{config.actions[0].opacity }}

{{config.actions[1].duration }}

\` }) export class NestedComp { @Input() config: {[key: string]: any}; } @Component({ selector: 'my-app', template: \` \` }) export class MyApp { name = 'slide'; duration = 100; } @NgModule({declarations: [NestedComp, MyApp]}) export class MyModule {} ` } }; const MyAppDefinition = ` const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "config"]; const $c0$ = {opacity: 0, duration: 0}; const $e0_ff$ = function ($v$) { return {opacity: 1, duration: $v$}; }; const $e0_ff_1$ = function ($v$) { return [$c0$, $v$]; }; const $e0_ff_2$ = function ($v1$, $v2$) { return {animation: $v1$, actions: $v2$}; }; … MyApp.ngComponentDef = $r3$.ɵdefineComponent({ type: MyApp, selectors: [["my-app"]], factory: function MyApp_Factory(t) { return new (t || MyApp)(); }, consts: 1, vars: 8, template: function MyApp_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "nested-comp", $e0_attrs$); } if (rf & 2) { $r3$.ɵelementProperty( 0, "config", $r3$.ɵbind($r3$.ɵpureFunction2(5, $e0_ff_2$, ctx.name, $r3$.ɵpureFunction1(3, $e0_ff_1$, $r3$.ɵpureFunction1(1, $e0_ff$, ctx.duration))))); } }, directives: [NestedComp], encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyAppDefinition, 'Invalid array/object literal binding'); }); }); it('should support content projection', () => { const files = { app: { 'spec.ts': ` import {Component, Directive, NgModule, TemplateRef} from '@angular/core'; @Component({selector: 'simple', template: '
'}) export class SimpleComponent {} @Component({ selector: 'complex', template: \`
\` }) export class ComplexComponent { } @NgModule({declarations: [SimpleComponent, ComplexComponent]}) export class MyModule {} @Component({ selector: 'my-app', template: 'content ' }) export class MyApp {} ` } }; const SimpleComponentDefinition = ` SimpleComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: SimpleComponent, selectors: [["simple"]], factory: function SimpleComponent_Factory(t) { return new (t || SimpleComponent)(); }, consts: 2, vars: 0, template: function SimpleComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵprojectionDef(); $r3$.ɵelementStart(0, "div"); $r3$.ɵprojection(1); $r3$.ɵelementEnd(); } }, encapsulation: 2 });`; const ComplexComponentDefinition = ` const $c1$ = [[["span", "title", "tofirst"]], [["span", "title", "tosecond"]]]; const $c2$ = ["span[title=toFirst]", "span[title=toSecond]"]; const $c3$ = ["id","first"]; const $c4$ = ["id","second"]; … ComplexComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: ComplexComponent, selectors: [["complex"]], factory: function ComplexComponent_Factory(t) { return new (t || ComplexComponent)(); }, consts: 4, vars: 0, template: function ComplexComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵprojectionDef($c1$, $c2$); $r3$.ɵelementStart(0, "div", $c3$); $r3$.ɵprojection(1, 1); $r3$.ɵelementEnd(); $r3$.ɵelementStart(2, "div", $c4$); $r3$.ɵprojection(3, 2); $r3$.ɵelementEnd(); } }, encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(result.source, SimpleComponentDefinition, 'Incorrect SimpleComponent definition'); expectEmit( result.source, ComplexComponentDefinition, 'Incorrect ComplexComponent definition'); }); describe('queries', () => { const directive = { 'some.directive.ts': ` import {Directive} from '@angular/core'; @Directive({ selector: '[someDir]', }) export class SomeDirective { } ` }; it('should support view queries with directives', () => { const files = { app: { ...directive, 'view_query.component.ts': ` import {Component, NgModule, ViewChild} from '@angular/core'; import {SomeDirective} from './some.directive'; @Component({ selector: 'view-query-component', template: \`
\` }) export class ViewQueryComponent { @ViewChild(SomeDirective) someDir: SomeDirective; @ViewChildren(SomeDirective) someDirs: QueryList; } @NgModule({declarations: [SomeDirective, ViewQueryComponent]}) export class MyModule {} ` } }; const ViewQueryComponentDefinition = ` const $e0_attrs$ = ["someDir",""]; … ViewQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: ViewQueryComponent, selectors: [["view-query-component"]], factory: function ViewQueryComponent_Factory(t) { return new (t || ViewQueryComponent)(); }, viewQuery: function ViewQueryComponent_Query(rf, ctx) { if (rf & 1) { $r3$.ɵquery(0, SomeDirective, true); } if (rf & 2) { var $tmp$; ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(0))) && (ctx.someDir = $tmp$.first)); } }, consts: 2, vars: 0, template: function ViewQueryComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(1, "div", $e0_attrs$); } }, directives: function () { return [SomeDirective]; }, encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, ViewQueryComponentDefinition, 'Invalid ViewQuery declaration'); }); it('should support view queries with local refs', () => { const files = { app: { 'view_query.component.ts': ` import {Component, NgModule, ViewChild, ViewChildren, QueryList} from '@angular/core'; @Component({ selector: 'view-query-component', template: \`
\` }) export class ViewQueryComponent { @ViewChild('myRef') myRef: any; @ViewChildren('myRef1, myRef2, myRef3') myRefs: QueryList; } @NgModule({declarations: [ViewQueryComponent]}) export class MyModule {} ` } }; const ViewQueryComponentDefinition = ` const $e0_attrs$ = ["myRef"]; const $e1_attrs$ = ["myRef1", "myRef2", "myRef3"]; … ViewQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({ … viewQuery: function ViewQueryComponent_Query(rf, ctx) { if (rf & 1) { $r3$.ɵquery(0, $e0_attrs$, true); $r3$.ɵquery(1, $e1_attrs$, true); } if (rf & 2) { var $tmp$; ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(0))) && (ctx.myRef = $tmp$.first)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(1))) && (ctx.myRefs = $tmp$)); } }, … });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, ViewQueryComponentDefinition, 'Invalid ViewQuery declaration'); }); it('should support view queries with read tokens specified', () => { const files = { app: { ...directive, 'view_query.component.ts': ` import {Component, NgModule, ViewChild, ViewChildren, QueryList, ElementRef, TemplateRef} from '@angular/core'; import {SomeDirective} from './some.directive'; @Component({ selector: 'view-query-component', template: \`
\` }) export class ViewQueryComponent { @ViewChild('myRef', {read: TemplateRef}) myRef: TemplateRef; @ViewChildren('myRef1, myRef2, myRef3', {read: ElementRef}) myRefs: QueryList; @ViewChild(SomeDirective, {read: ElementRef}) someDir: ElementRef; @ViewChildren(SomeDirective, {read: TemplateRef}) someDirs: QueryList; } @NgModule({declarations: [ViewQueryComponent]}) export class MyModule {} ` } }; const ViewQueryComponentDefinition = ` const $e0_attrs$ = ["myRef"]; const $e1_attrs$ = ["myRef1", "myRef2", "myRef3"]; … ViewQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({ … viewQuery: function ViewQueryComponent_Query(rf, ctx) { if (rf & 1) { $r3$.ɵquery(0, $e0_attrs$, true, TemplateRef); $r3$.ɵquery(1, SomeDirective, true, ElementRef); $r3$.ɵquery(2, $e1_attrs$, true, ElementRef); $r3$.ɵquery(3, SomeDirective, true, TemplateRef); } if (rf & 2) { var $tmp$; ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(0))) && (ctx.myRef = $tmp$.first)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(1))) && (ctx.someDir = $tmp$.first)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(2))) && (ctx.myRefs = $tmp$)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(3))) && (ctx.someDirs = $tmp$)); } }, … });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, ViewQueryComponentDefinition, 'Invalid ViewQuery declaration'); }); it('should support content queries with directives', () => { const files = { app: { ...directive, 'content_query.ts': ` import {Component, ContentChild, ContentChildren, NgModule, QueryList} from '@angular/core'; import {SomeDirective} from './some.directive'; @Component({ selector: 'content-query-component', template: \`
\` }) export class ContentQueryComponent { @ContentChild(SomeDirective) someDir: SomeDirective; @ContentChildren(SomeDirective) someDirList !: QueryList; } @Component({ selector: 'my-app', template: \`
\` }) export class MyApp { } @NgModule({declarations: [SomeDirective, ContentQueryComponent, MyApp]}) export class MyModule { } ` } }; const ContentQueryComponentDefinition = ` ContentQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: ContentQueryComponent, selectors: [["content-query-component"]], factory: function ContentQueryComponent_Factory(t) { return new (t || ContentQueryComponent)(); }, contentQueries: function ContentQueryComponent_ContentQueries(dirIndex) { $r3$.ɵregisterContentQuery($r3$.ɵquery(null, SomeDirective, true), dirIndex); $r3$.ɵregisterContentQuery($r3$.ɵquery(null, SomeDirective, false), dirIndex); }, contentQueriesRefresh: function ContentQueryComponent_ContentQueriesRefresh(dirIndex, queryStartIndex) { const instance = $r3$.ɵload(dirIndex); var $tmp$; ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList(queryStartIndex))) && ($instance$.someDir = $tmp$.first)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList((queryStartIndex + 1)))) && ($instance$.someDirList = $tmp$)); }, consts: 2, vars: 0, template: function ContentQueryComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵprojectionDef(); $r3$.ɵelementStart(0, "div"); $r3$.ɵprojection(1); $r3$.ɵelementEnd(); } }, encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, ContentQueryComponentDefinition, 'Invalid ContentQuery declaration'); }); it('should support content queries with local refs', () => { const files = { app: { 'content_query.component.ts': ` import {Component, ContentChild, ContentChildren, NgModule, QueryList} from '@angular/core'; @Component({ selector: 'content-query-component', template: \`
\` }) export class ContentQueryComponent { @ContentChild('myRef') myRef: any; @ContentChildren('myRef1, myRef2, myRef3') myRefs: QueryList; } @NgModule({declarations: [ContentQueryComponent]}) export class MyModule {} ` } }; const ContentQueryComponentDefinition = ` const $e0_attrs$ = ["myRef"]; const $e1_attrs$ = ["myRef1", "myRef2", "myRef3"]; … ContentQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({ … contentQueries: function ContentQueryComponent_ContentQueries(dirIndex) { $r3$.ɵregisterContentQuery($r3$.ɵquery(null, $e0_attrs$, true), dirIndex); $r3$.ɵregisterContentQuery($r3$.ɵquery(null, $e1_attrs$, false), dirIndex); }, contentQueriesRefresh: function ContentQueryComponent_ContentQueriesRefresh(dirIndex, queryStartIndex) { const instance = $r3$.ɵload(dirIndex); var $tmp$; ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList(queryStartIndex))) && (instance.myRef = $tmp$.first)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList((queryStartIndex + 1)))) && (instance.myRefs = $tmp$)); }, … });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, ContentQueryComponentDefinition, 'Invalid ContentQuery declaration'); }); it('should support content queries with read tokens specified', () => { const files = { app: { ...directive, 'content_query.component.ts': ` import {Component, ContentChild, ContentChildren, NgModule, QueryList, ElementRef, TemplateRef} from '@angular/core'; import {SomeDirective} from './some.directive'; @Component({ selector: 'content-query-component', template: \`
\` }) export class ContentQueryComponent { @ContentChild('myRef', {read: TemplateRef}) myRef: TemplateRef; @ContentChildren('myRef1, myRef2, myRef3', {read: ElementRef}) myRefs: QueryList; @ContentChild(SomeDirective, {read: ElementRef}) someDir: ElementRef; @ContentChildren(SomeDirective, {read: TemplateRef}) someDirs: QueryList; } @NgModule({declarations: [ContentQueryComponent]}) export class MyModule {} ` } }; const ContentQueryComponentDefinition = ` const $e0_attrs$ = ["myRef"]; const $e1_attrs$ = ["myRef1", "myRef2", "myRef3"]; … ContentQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({ … contentQueries: function ContentQueryComponent_ContentQueries(dirIndex) { $r3$.ɵregisterContentQuery($r3$.ɵquery(null, $e0_attrs$ , true, TemplateRef), dirIndex); $r3$.ɵregisterContentQuery($r3$.ɵquery(null, SomeDirective, true, ElementRef), dirIndex); $r3$.ɵregisterContentQuery($r3$.ɵquery(null, $e1_attrs$, false, ElementRef), dirIndex); $r3$.ɵregisterContentQuery($r3$.ɵquery(null, SomeDirective, false, TemplateRef), dirIndex); }, contentQueriesRefresh: function ContentQueryComponent_ContentQueriesRefresh(dirIndex, queryStartIndex) { const instance = $r3$.ɵload(dirIndex); var $tmp$; ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList(queryStartIndex))) && (instance.myRef = $tmp$.first)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList((queryStartIndex + 1)))) && (instance.someDir = $tmp$.first)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList((queryStartIndex + 2)))) && (instance.myRefs = $tmp$)); ($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList((queryStartIndex + 3)))) && (instance.someDirs = $tmp$)); }, … });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, ContentQueryComponentDefinition, 'Invalid ContentQuery declaration'); }); }); describe('pipes', () => { it('should render pipes', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Pipe, PipeTransform, OnDestroy} from '@angular/core'; @Pipe({ name: 'myPipe', pure: false }) export class MyPipe implements PipeTransform, OnDestroy { transform(value: any, ...args: any[]) { return value; } ngOnDestroy(): void { } } @Pipe({ name: 'myPurePipe', pure: true, }) export class MyPurePipe implements PipeTransform { transform(value: any, ...args: any[]) { return value; } } @Component({ selector: 'my-app', template: '{{name | myPipe:size | myPurePipe:size }}

{{ name | myPipe:1:2:3:4:5 }}

' }) export class MyApp { name = 'World'; size = 0; } @NgModule({declarations:[MyPipe, MyPurePipe, MyApp]}) export class MyModule {} ` } }; const MyPipeDefinition = ` MyPipe.ngPipeDef = $r3$.ɵdefinePipe({ name: "myPipe", type: MyPipe, factory: function MyPipe_Factory(t) { return new (t || MyPipe)(); }, pure: false }); `; const MyPurePipeDefinition = ` MyPurePipe.ngPipeDef = $r3$.ɵdefinePipe({ name: "myPurePipe", type: MyPurePipe, factory: function MyPurePipe_Factory(t) { return new (t || MyPurePipe)(); }, pure: true });`; const MyAppDefinition = ` const $c0$ = function ($a0$) { return [$a0$, 1, 2, 3, 4, 5]; }; // ... MyApp.ngComponentDef = $r3$.ɵdefineComponent({ type: MyApp, selectors: [["my-app"]], factory: function MyApp_Factory(t) { return new (t || MyApp)(); }, consts: 6, vars: 17, template: function MyApp_Template(rf, ctx) { if (rf & 1) { $r3$.ɵtext(0); $r3$.ɵpipe(1, "myPurePipe"); $r3$.ɵpipe(2, "myPipe"); $r3$.ɵelementStart(3, "p"); $r3$.ɵtext(4); $r3$.ɵpipe(5, "myPipe"); $r3$.ɵelementEnd(); } if (rf & 2) { $r3$.ɵtextBinding(0, $r3$.ɵinterpolation1("", $r3$.ɵpipeBind2(1, 2, $r3$.ɵpipeBind2(2, 5, ctx.name, ctx.size), ctx.size), "")); $r3$.ɵtextBinding(4, $r3$.ɵinterpolation1("", $r3$.ɵpipeBindV(5, 8, $r3$.ɵpureFunction1(15, $c0$, ctx.name)), "")); } }, pipes: [MyPurePipe, MyPipe], encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyPipeDefinition, 'Invalid pipe definition'); expectEmit(source, MyPurePipeDefinition, 'Invalid pure pipe definition'); expectEmit(source, MyAppDefinition, 'Invalid MyApp definition'); }); it('should use appropriate function for a given no of pipe arguments', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Pipe, PipeTransform, OnDestroy} from '@angular/core'; @Pipe({ name: 'myPipe', pure: false }) export class MyPipe implements PipeTransform, OnDestroy { transform(value: any, ...args: any[]) { return value; } ngOnDestroy(): void { } } @Component({ selector: 'my-app', template: '0:{{name | myPipe}}1:{{name | myPipe:1}}2:{{name | myPipe:1:2}}3:{{name | myPipe:1:2:3}}4:{{name | myPipe:1:2:3:4}}' }) export class MyApp { } @NgModule({declarations:[MyPipe, MyApp]}) export class MyModule {} ` } }; const MyAppDefinition = ` // ... MyApp.ngComponentDef = $r3$.ɵdefineComponent({ type: MyApp, selectors: [["my-app"]], factory: function MyApp_Factory(t) { return new (t || MyApp)(); }, consts: 6, vars: 27, template: function MyApp_Template(rf, ctx) { if (rf & 1) { $r3$.ɵtext(0); $r3$.ɵpipe(1, "myPipe"); $r3$.ɵpipe(2, "myPipe"); $r3$.ɵpipe(3, "myPipe"); $r3$.ɵpipe(4, "myPipe"); $r3$.ɵpipe(5, "myPipe"); } if (rf & 2) { $r3$.ɵtextBinding(0, $r3$.ɵinterpolation5( "0:", i0.ɵpipeBind1(1, 5, ctx.name), "1:", i0.ɵpipeBind2(2, 7, ctx.name, 1), "2:", i0.ɵpipeBind3(3, 10, ctx.name, 1, 2), "3:", i0.ɵpipeBind4(4, 14, ctx.name, 1, 2, 3), "4:", i0.ɵpipeBindV(5, 19, $r3$.ɵpureFunction1(25, $c0$, ctx.name)), "" )); } }, pipes: [MyPipe], encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyAppDefinition, 'Invalid MyApp definition'); }); }); it('local reference', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({selector: 'my-component', template: 'Hello {{user.value}}!'}) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const MyComponentDefinition = ` const $c1$ = ["user", ""]; … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }, consts: 3, vars: 1, template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "input", null, $c1$); $r3$.ɵtext(2); } if (rf & 2) { const $user$ = $r3$.ɵreference(1); $r3$.ɵtextBinding(2, $r3$.ɵinterpolation1("Hello ", $user$.value, "!")); } }, encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef'); }); it('local references in nested views', () => { const files = { app: { 'spec.ts': ` import {Component, Directive, NgModule, TemplateRef} from '@angular/core'; @Directive({selector: '[if]'}) export class IfDirective { constructor(template: TemplateRef) { } } @Component({ selector: 'my-component', template: \`
{{foo}}
{{foo}}-{{bar}} {{foo}}-{{bar}}-{{baz}}
\` }) export class MyComponent {} @NgModule({declarations: [IfDirective, MyComponent]}) export class MyModule {} ` } }; const MyComponentDefinition = ` const $c1$ = ["foo", ""]; const $c2$ = ["if", ""]; const $c3$ = ["baz", ""]; const $c4$ = ["bar", ""]; function MyComponent_div_span_Template_2(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "span"); $r3$.ɵtext(1); $r3$.ɵelementEnd(); } if (rf & 2) { $r3$.ɵnextContext(); const $bar$ = $r3$.ɵreference(4); $r3$.ɵnextContext(); const $foo$ = $r3$.ɵreference(1); const $baz$ = $r3$.ɵreference(5); $r3$.ɵtextBinding(1, $r3$.ɵinterpolation3("", $foo$, "-", $bar$, "-", $baz$, "")); } } function MyComponent_div_Template_3(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "div"); $r3$.ɵtext(1); $r3$.ɵtemplate(2, MyComponent_div_span_Template_2, 2, 3, null, $c2$); $r3$.ɵelement(3, "span", null, $c4$); $r3$.ɵelementEnd(); } if (rf & 2) { const $bar$ = $r3$.ɵreference(4); $r3$.ɵnextContext(); const $foo$ = $r3$.ɵreference(1); $r3$.ɵtextBinding(1, $r3$.ɵinterpolation2(" ", $foo$, "-", $bar$, " ")); } } … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }, consts: 6, vars: 1, template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "div", null, $c1$); $r3$.ɵtext(2); $r3$.ɵtemplate(3, MyComponent_div_Template_3, 5, 2, null, $c2$); $r3$.ɵelement(4, "div", null, $c3$); } if (rf & 2) { const $foo$ = $r3$.ɵreference(1); $r3$.ɵtextBinding(2, $r3$.ɵinterpolation1(" ", $foo$, " ")); } }, directives:[IfDirective], encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef'); }); it('should support local refs mixed with context assignments', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule} from '@angular/core'; @Component({ selector: 'my-component', template: \`
{{ foo }} - {{ item }}
\` }) export class MyComponent {} @NgModule({declarations: [MyComponent]}) export class MyModule {} ` } }; const template = ` const $c0$ = ["ngFor", "" , ${AttributeMarker.SelectOnly}, "ngForOf"]; const $c1$ = ["foo", ""]; const $c2$ = [${AttributeMarker.SelectOnly}, "ngIf"]; function MyComponent_div_span_Template_3(rf, ctx) { if (rf & 1) { $i0$.ɵelementStart(0, "span"); $i0$.ɵtext(1); $i0$.ɵelementEnd(); } if (rf & 2) { const $item$ = $i0$.ɵnextContext().$implicit; const $foo$ = $i0$.ɵreference(2); $i0$.ɵtextBinding(1, $i0$.ɵinterpolation2(" ", $foo$, " - ", $item$, " ")); } } function MyComponent_div_Template_0(rf, ctx) { if (rf & 1) { $i0$.ɵelementStart(0, "div"); $i0$.ɵelement(1, "div", null, $c1$); $i0$.ɵtemplate(3, MyComponent_div_span_Template_3, 2, 2, null, $c2$); $i0$.ɵelementEnd(); } if (rf & 2) { const $app$ = $i0$.ɵnextContext(); $i0$.ɵelementProperty(3, "ngIf", $i0$.ɵbind($app$.showing)); } } // ... template:function MyComponent_Template(rf, ctx){ if (rf & 1) { $i0$.ɵtemplate(0, MyComponent_div_Template_0, 4, 1, null, $c0$); } if (rf & 2) { $i0$.ɵelementProperty(0, "ngForOf", $i0$.ɵbind(ctx.items)); } }`; const result = compile(files, angularFiles); expectEmit(result.source, template, 'Incorrect template'); }); 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: \` \` }) 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 = ` LifecycleComp.ngComponentDef = $r3$.ɵdefineComponent({ type: LifecycleComp, selectors: [["lifecycle-comp"]], factory: function LifecycleComp_Factory(t) { return new (t || LifecycleComp)(); }, inputs: {nameMin: ["name", "nameMin"]}, features: [$r3$.ɵNgOnChangesFeature], consts: 0, vars: 0, template: function LifecycleComp_Template(rf, ctx) {}, encapsulation: 2 });`; const SimpleLayoutDefinition = ` SimpleLayout.ngComponentDef = $r3$.ɵdefineComponent({ type: SimpleLayout, selectors: [["simple-layout"]], factory: function SimpleLayout_Factory(t) { return new (t || SimpleLayout)(); }, consts: 2, vars: 2, template: function SimpleLayout_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelement(0, "lifecycle-comp", $e0_attrs$); $r3$.ɵelement(1, "lifecycle-comp", $e1_attrs$); } if (rf & 2) { $r3$.ɵelementProperty(0, "name", $r3$.ɵbind(ctx.name1)); $r3$.ɵelementProperty(1, "name", $r3$.ɵbind(ctx.name2)); } }, directives: [LifecycleComp], encapsulation: 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: { 'for_of.ts': ` import {Directive, Input, SimpleChanges, TemplateRef, ViewContainerRef} from '@angular/core'; export interface ForOfContext { $implicit: any; index: number; even: boolean; odd: boolean; } @Directive({selector: '[forOf]'}) export class ForOfDirective { private previous: any[]; constructor(private view: ViewContainerRef, private template: TemplateRef) {} @Input() forOf: any[]; ngOnChanges(simpleChanges: SimpleChanges) { if ('forOf' in simpleChanges) { this.update(); } } ngDoCheck(): void { const previous = this.previous; const current = this.forOf; if (!previous || previous.length != current.length || previous.some((value: any, index: number) => current[index] !== previous[index])) { this.update(); } } private update() { // TODO(chuckj): Not implemented yet // this.view.clear(); if (this.forOf) { const current = this.forOf; for (let i = 0; i < current.length; i++) { const context = {$implicit: current[i], index: i, even: i % 2 == 0, odd: i % 2 == 1}; // TODO(chuckj): Not implemented yet // this.view.createEmbeddedView(this.template, context); } this.previous = [...this.forOf]; } } } ` } }; it('should support embedded views in the SVG namespace', () => { const files = { app: { ...shared, 'spec.ts': ` import {Component, NgModule} from '@angular/core'; import {ForOfDirective} from './shared/for_of'; @Component({ selector: 'my-component', template: \`\` }) export class MyComponent { items = [{ data: 42 }, { data: 42 }]; } @NgModule({ declarations: [MyComponent, ForOfDirective] }) export class MyModule {} ` } }; // TODO(benlesh): Enforce this when the directives are specified const ForDirectiveDefinition = ` ForOfDirective.ngDirectiveDef = $r3$.ɵdefineDirective({ type: ForOfDirective, selectors: [["", "forOf", ""]], factory: function ForOfDirective_Factory(t) { return new (t || ForOfDirective)($r3$.ɵdirectiveInject(ViewContainerRef), $r3$.ɵdirectiveInject(TemplateRef)); }, features: [$r3$.ɵNgOnChangesFeature], inputs: {forOf: "forOf"} }); `; const MyComponentDefinition = ` const $t1_attrs$ = ["for", "", ${AttributeMarker.SelectOnly}, "forOf"]; function MyComponent__svg_g_Template_1(rf, ctx) { if (rf & 1) { $r3$.ɵnamespaceSVG(); $r3$.ɵelementStart(0,"g"); $r3$.ɵelement(1,"circle"); $r3$.ɵelementEnd(); } } … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }, consts: 2, vars: 1, template: function MyComponent_Template(rf, ctx){ if (rf & 1) { $r3$.ɵnamespaceSVG(); $r3$.ɵelementStart(0,"svg"); $r3$.ɵtemplate(1, MyComponent__svg_g_Template_1, 2, 0, null, $t1_attrs$); $r3$.ɵelementEnd(); } if (rf & 2) { $r3$.ɵelementProperty(1,"forOf",$r3$.ɵbind(ctx.items)); } }, directives: function() { return [ForOfDirective]; }, encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; // TODO(benlesh): Enforce this when the directives are specified // expectEmit(source, ForDirectiveDefinition, 'Invalid directive definition'); expectEmit(source, MyComponentDefinition, 'Invalid component definition'); }); it('should support a let variable and reference', () => { const files = { app: { ...shared, 'spec.ts': ` import {Component, NgModule} from '@angular/core'; import {ForOfDirective} from './shared/for_of'; @Component({ selector: 'my-component', template: \`
  • {{item.name}}
\` }) export class MyComponent { items = [{name: 'one'}, {name: 'two'}]; } @NgModule({ declarations: [MyComponent, ForOfDirective] }) export class MyModule {} ` } }; // TODO(chuckj): Enforce this when the directives are specified const ForDirectiveDefinition = ` ForOfDirective.ngDirectiveDef = $r3$.ɵdefineDirective({ type: ForOfDirective, selectors: [["", "forOf", ""]], factory: function ForOfDirective_Factory(t) { return new (t || ForOfDirective)($r3$.ɵdirectiveInject(ViewContainerRef), $r3$.ɵdirectiveInject(TemplateRef)); }, features: [$r3$.ɵNgOnChangesFeature], inputs: {forOf: "forOf"} }); `; const MyComponentDefinition = ` const $t1_attrs$ = ["for", "", ${AttributeMarker.SelectOnly}, "forOf"]; function MyComponent_li_Template_1(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "li"); $r3$.ɵtext(1); $r3$.ɵelementEnd(); } if (rf & 2) { const $item$ = ctx.$implicit; $r3$.ɵtextBinding(1, $r3$.ɵinterpolation1("", $item$.name, "")); } } … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }, consts: 2, vars: 1, template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "ul"); $r3$.ɵtemplate(1, MyComponent_li_Template_1, 2, 1, null, $t1_attrs$); $r3$.ɵelementEnd(); } if (rf & 2) { $r3$.ɵelementProperty(1, "forOf", $r3$.ɵbind(ctx.items)); } }, directives: function() { return [ForOfDirective]; }, encapsulation: 2 }); `; const result = compile(files, angularFiles); const source = result.source; // TODO(chuckj): Enforce this when the directives are specified // expectEmit(source, ForDirectiveDefinition, 'Invalid directive definition'); expectEmit(source, MyComponentDefinition, 'Invalid component definition'); }); it('should support accessing parent template variables', () => { const files = { app: { ...shared, 'spec.ts': ` import {Component, NgModule} from '@angular/core'; import {ForOfDirective} from './shared/for_of'; @Component({ selector: 'my-component', template: \`
  • {{item.name}}
    • {{item.name}}: {{info.description}}
\` }) export class MyComponent { items = [ {name: 'one', infos: [{description: '11'}, {description: '12'}]}, {name: 'two', infos: [{description: '21'}, {description: '22'}]} ]; } @NgModule({ declarations: [MyComponent, ForOfDirective] }) export class MyModule {} ` } }; const MyComponentDefinition = ` const $t4_attrs$ = ["for", "", ${AttributeMarker.SelectOnly}, "forOf"]; function MyComponent_li_li_Template_4(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "li"); $r3$.ɵtext(1); $r3$.ɵelementEnd(); } if (rf & 2) { const $info$ = ctx.$implicit; const $item$ = $r3$.ɵnextContext().$implicit; $r3$.ɵtextBinding(1, $r3$.ɵinterpolation2(" ", $item$.name, ": ", $info$.description, " ")); } } function MyComponent_li_Template_1(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "li"); $r3$.ɵelementStart(1, "div"); $r3$.ɵtext(2); $r3$.ɵelementEnd(); $r3$.ɵelementStart(3, "ul"); $r3$.ɵtemplate(4, MyComponent_li_li_Template_4, 2, 2, null, $t4_attrs$); $r3$.ɵelementEnd(); $r3$.ɵelementEnd(); } if (rf & 2) { const $item$ = ctx.$implicit; $r3$.ɵtextBinding(2, $r3$.ɵinterpolation1("", IDENT.name, "")); $r3$.ɵelementProperty(4, "forOf", $r3$.ɵbind(IDENT.infos)); } } … MyComponent.ngComponentDef = $r3$.ɵdefineComponent({ type: MyComponent, selectors: [["my-component"]], factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }, consts: 2, vars: 1, template: function MyComponent_Template(rf, ctx) { if (rf & 1) { $r3$.ɵelementStart(0, "ul"); $r3$.ɵtemplate(1, MyComponent_li_Template_1, 5, 2, null, $c1$); $r3$.ɵelementEnd(); } if (rf & 2) { $r3$.ɵelementProperty(1, "forOf", $r3$.ɵbind(ctx.items)); } }, directives: function () { return [ForOfDirective]; }, encapsulation: 2 });`; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyComponentDefinition, 'Invalid component definition'); }); }); it('should instantiate directives in a closure when they are forward referenced', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Directive} from '@angular/core'; @Component({ selector: 'host-binding-comp', template: \` \` }) export class HostBindingComp { } @Directive({ selector: 'my-forward-directive' }) class MyForwardDirective {} @NgModule({declarations: [HostBindingComp, MyForwardDirective]}) export class MyModule {} ` } }; const MyAppDefinition = ` … directives: function () { return [MyForwardDirective]; } … `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyAppDefinition, 'Invalid component definition'); }); it('should instantiate pipes in a closure when they are forward referenced', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Pipe} from '@angular/core'; @Component({ selector: 'host-binding-comp', template: \`
...
\` }) export class HostBindingComp { } @Pipe({ name: 'my_forward_pipe' }) class MyForwardPipe {} @NgModule({declarations: [HostBindingComp, MyForwardPipe]}) export class MyModule {} ` } }; const MyAppDefinition = ` … pipes: function () { return [MyForwardPipe]; } … `; const result = compile(files, angularFiles); const source = result.source; expectEmit(source, MyAppDefinition, 'Invalid component definition'); }); }); describe('inherited base classes', () => { it('should add ngBaseDef if one or more @Input is present', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Input} from '@angular/core'; export class BaseClass { @Input() input1 = 'test'; @Input('alias2') input2 = 'whatever'; } @Component({ selector: 'my-component', template: \`
{{input1}} {{input2}}
\` }) export class MyComponent extends BaseClass { } @NgModule({ declarations: [MyComponent] }) export class MyModule {} ` } }; const expectedOutput = ` // ... BaseClass.ngBaseDef = i0.ɵdefineBase({ inputs: { input1: "input1", input2: ["alias2", "input2"] } }); // ... `; const result = compile(files, angularFiles); expectEmit(result.source, expectedOutput, 'Invalid base definition'); }); it('should add ngBaseDef if one or more @Output is present', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Output, EventEmitter} from '@angular/core'; export class BaseClass { @Output() output1 = new EventEmitter(); @Output() output2 = new EventEmitter(); clicked() { this.output1.emit('test'); this.output2.emit('test'); } } @Component({ selector: 'my-component', template: \`\` }) export class MyComponent extends BaseClass { } @NgModule({ declarations: [MyComponent] }) export class MyModule {} ` } }; const expectedOutput = ` // ... BaseClass.ngBaseDef = i0.ɵdefineBase({ outputs: { output1: "output1", output2: "output2" } }); // ... `; const result = compile(files, angularFiles); expectEmit(result.source, expectedOutput, 'Invalid base definition'); }); it('should add ngBaseDef if a mixture of @Input and @Output props are present', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Input, Output, EventEmitter} from '@angular/core'; export class BaseClass { @Output() output1 = new EventEmitter(); @Output() output2 = new EventEmitter(); @Input() input1 = 'test'; @Input('whatever') input2 = 'blah'; clicked() { this.output1.emit('test'); this.output2.emit('test'); } } @Component({ selector: 'my-component', template: \`\` }) export class MyComponent extends BaseClass { } @NgModule({ declarations: [MyComponent] }) export class MyModule {} ` } }; const expectedOutput = ` // ... BaseClass.ngBaseDef = i0.ɵdefineBase({ inputs: { input1: "input1", input2: ["whatever", "input2"] }, outputs: { output1: "output1", output2: "output2" } }); // ... `; const result = compile(files, angularFiles); expectEmit(result.source, expectedOutput, 'Invalid base definition'); }); it('should NOT add ngBaseDef if @Component is present', () => { const files = { app: { 'spec.ts': ` import {Component, NgModule, Output, EventEmitter} from '@angular/core'; @Component({ selector: 'whatever', template: '' }) export class BaseClass { @Output() output1 = new EventEmitter(); @Input() input1 = 'whatever'; clicked() { this.output1.emit('test'); } } @Component({ selector: 'my-component', template: \`
What is this developer doing?
\` }) export class MyComponent extends BaseClass { } @NgModule({ declarations: [MyComponent] }) export class MyModule {} ` } }; const result = compile(files, angularFiles); expect(result.source).not.toContain('ngBaseDef'); }); it('should NOT add ngBaseDef if @Directive is present', () => { const files = { app: { 'spec.ts': ` import {Component, Directive, NgModule, Output, EventEmitter} from '@angular/core'; @Directive({ selector: 'whatever', }) export class BaseClass { @Output() output1 = new EventEmitter(); @Input() input1 = 'whatever'; clicked() { this.output1.emit('test'); } } @Component({ selector: 'my-component', template: '' }) export class MyComponent extends BaseClass { } @NgModule({ declarations: [MyComponent] }) export class MyModule {} ` } }; const result = compile(files, angularFiles); expect(result.source).not.toContain('ngBaseDef'); }); }); });