angular-cn/packages/compiler-cli/test/compliance/r3_view_compiler_styling_sp...

2100 lines
71 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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} from '@angular/compiler/src/core';
import {setup} from '@angular/compiler/test/aot/test_util';
import {compile, expectEmit} from './mock_compile';
describe('compiler compliance: styling', () => {
const angularFiles = setup({
compileAngular: false,
compileFakeCore: true,
compileAnimations: false,
});
describe('@Component.styles', () => {
it('should pass in the component metadata styles into the component definition and shim them using style encapsulation',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: "my-component",
styles: ["div.foo { color: red; }", ":host p:nth-child(even) { --webkit-transition: 1s linear all; }"],
template: "..."
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template =
'styles: ["div.foo[_ngcontent-%COMP%] { color: red; }", "[_nghost-%COMP%] p[_ngcontent-%COMP%]:nth-child(even) { --webkit-transition: 1s linear all; }"]';
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should pass in styles, but skip shimming the styles if the view encapsulation signals not to',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, ViewEncapsulation} from '@angular/core';
@Component({
selector: "my-component",
encapsulation: ViewEncapsulation.None,
styles: ["div.tall { height: 123px; }", ":host.small p { height:5px; }"],
template: "..."
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = 'div.tall { height: 123px; }", ":host.small p { height:5px; }';
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should pass in the component metadata styles into the component definition but skip shimming when style encapsulation is set to shadow dom',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, ViewEncapsulation} from '@angular/core';
@Component({
encapsulation: ViewEncapsulation.ShadowDom,
selector: "my-component",
styles: ["div.cool { color: blue; }", ":host.nice p { color: gold; }"],
template: "..."
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
styles: ["div.cool { color: blue; }", ":host.nice p { color: gold; }"],
encapsulation: 3
})
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
});
describe('@Component.animations', () => {
it('should pass in the component metadata animations into the component definition', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: "my-component",
animations: [{name: 'foo123'}, {name: 'trigger123'}],
template: ""
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
type: MyComponent,
selectors:[["my-component"]],
decls: 0,
vars: 0,
template: function MyComponent_Template(rf, $ctx$) {
},
encapsulation: 2,
data: {
animation: [{name: 'foo123'}, {name: 'trigger123'}]
}
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should include animations even if the provided array is empty', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: "my-component",
animations: [],
template: ""
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
type: MyComponent,
selectors:[["my-component"]],
decls: 0,
vars: 0,
template: function MyComponent_Template(rf, $ctx$) {
},
encapsulation: 2,
data: {
animation: []
}
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should generate any animation triggers into the component template', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: "my-component",
template: \`
<div [@foo]='exp'></div>
<div @bar></div>
<div [@baz]></div>\`,
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
decls: 3,
vars: 3,
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
$r3$.ɵɵelement(1, "div");
$r3$.ɵɵelement(2, "div");
}
if (rf & 2) {
$r3$.ɵɵproperty("@foo", ctx.exp);
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("@bar", undefined);
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("@baz", undefined);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should generate animation listeners', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-cmp',
template: \`
<div [@myAnimation]="exp"
(@myAnimation.start)="onStart($event)"
(@myAnimation.done)="onDone($event)"></div>
\`,
animations: [trigger(
'myAnimation',
[transition(
'* => state',
[style({'opacity': '0'}), animate(500, style({'opacity': '1'}))])])],
})
class MyComponent {
exp: any;
startEvent: any;
doneEvent: any;
onStart(event: any) { this.startEvent = event; }
onDone(event: any) { this.doneEvent = event; }
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
decls: 1,
vars: 1,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵlistener("@myAnimation.start", function MyComponent_Template_div_animation_myAnimation_start_0_listener($event) { return ctx.onStart($event); })("@myAnimation.done", function MyComponent_Template_div_animation_myAnimation_done_0_listener($event) { return ctx.onDone($event); });
$r3$.ɵɵelementEnd();
} if (rf & 2) {
$r3$.ɵɵproperty("@myAnimation", ctx.exp);
}
},
encapsulation: 2,
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should generate animation host binding and listener code for directives', () => {
const files = {
app: {
'spec.ts': `
import {Directive, Component, NgModule} from '@angular/core';
@Directive({
selector: '[my-anim-dir]',
animations: [
{name: 'myAnim'}
],
host: {
'[@myAnim]': 'myAnimState',
'(@myAnim.start)': 'onStart()',
'(@myAnim.done)': 'onDone()'
}
})
class MyAnimDir {
onStart() {}
onDone() {}
myAnimState = '123';
}
@Component({
selector: 'my-cmp',
template: \`
<div my-anim-dir></div>
\`
})
class MyComponent {
}
@NgModule({declarations: [MyComponent, MyAnimDir]})
export class MyModule {}
`
}
};
const template = `
MyAnimDir.ɵdir = $r3$.ɵɵdefineDirective({
hostVars: 1,
hostBindings: function MyAnimDir_HostBindings(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵsyntheticHostListener("@myAnim.start", function MyAnimDir_animation_myAnim_start_HostBindingHandler() { return ctx.onStart(); })("@myAnim.done", function MyAnimDir_animation_myAnim_done_HostBindingHandler() { return ctx.onDone(); });
}
if (rf & 2) {
$r3$.ɵɵsyntheticHostProperty("@myAnim", ctx.myAnimState);
}
}
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
});
describe('[style] and [style.prop]', () => {
it('should create style instructions on the element', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [style]="myStyleExp"></div>\`
})
export class MyComponent {
myStyleExp = [{color:'red'}, {color:'blue', duration:1000}]
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵstyleMap($ctx$.myStyleExp);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should correctly count the total slots required when style/class bindings include interpolation',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component-with-interpolation',
template: \`
<div class="foo foo-{{ fooId }}"></div>
\`
})
export class MyComponentWithInterpolation {
fooId = '123';
}
@Component({
selector: 'my-component-with-muchos-interpolation',
template: \`
<div class="foo foo-{{ fooId }}-{{ fooUsername }}"></div>
\`
})
export class MyComponentWithMuchosInterpolation {
fooId = '123';
fooUsername = 'superfoo';
}
@Component({
selector: 'my-component-without-interpolation',
template: \`
<div [class]="exp"></div>
\`
})
export class MyComponentWithoutInterpolation {
exp = 'bar';
}
@NgModule({declarations: [MyComponentWithInterpolation, MyComponentWithMuchosInterpolation, MyComponentWithoutInterpolation]})
export class MyModule {}
`
}
};
const template = `
decls: 1,
vars: 3,
template: function MyComponentWithInterpolation_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵclassMapInterpolate1("foo foo-", $ctx$.fooId, "");
}
}
decls: 1,
vars: 4,
template: function MyComponentWithMuchosInterpolation_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵclassMapInterpolate2("foo foo-", $ctx$.fooId, "-", $ctx$.fooUsername, "");
}
}
decls: 1,
vars: 2,
template: function MyComponentWithoutInterpolation_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵclassMap($ctx$.exp);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should place initial, multi, singular and application followed by attribute style instructions in the template code in that order',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div style="opacity:1"
[attr.style]="'border-width: 10px'"
[style.width]="myWidth"
[style]="myStyleExp"
[style.height]="myHeight"></div>\`
})
export class MyComponent {
myStyleExp = [{color:'red'}, {color:'blue', duration:1000}]
myWidth = '100px';
myHeight = '100px';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
type: MyComponent,
selectors:[["my-component"]],
decls: 1,
vars: 7,
consts: [[${AttributeMarker.Styles}, "opacity", "1"]],
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div", 0);
}
if (rf & 2) {
$r3$.ɵɵstyleMap($ctx$.myStyleExp);
$r3$.ɵɵstyleProp("width", $ctx$.myWidth)("height", $ctx$.myHeight);
$r3$.ɵɵattribute("style", "border-width: 10px", $r3$.ɵɵsanitizeStyle);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should assign a sanitizer instance to the element style allocation instruction if any url-based properties are detected',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [style.background-image]="myImage">\`
})
export class MyComponent {
myImage = 'url(foo.jpg)';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
decls: 1,
vars: 2,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵstyleProp("background-image", ctx.myImage);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should support [style.foo.suffix] style bindings with a suffix', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [style.font-size.px]="12">\`
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵstyleProp("font-size", 12, "px");
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should not create instructions for empty style bindings', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [style.color]></div>\`
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const result = compile(files, angularFiles);
expect(result.source).not.toContain('styling');
});
});
describe('[class]', () => {
it('should create class styling instructions on the element', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [class]="myClassExp"></div>\`
})
export class MyComponent {
myClassExp = {'foo':true}
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵclassMap($ctx$.myClassExp);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should place initial, multi, singular and application followed by attribute class instructions in the template code in that order',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div class="grape"
[attr.class]="'banana'"
[class.apple]="yesToApple"
[class]="myClassExp"
[class.orange]="yesToOrange"></div>\`
})
export class MyComponent {
myClassExp = {a:true, b:true};
yesToApple = true;
yesToOrange = true;
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
type: MyComponent,
selectors:[["my-component"]],
decls: 1,
vars: 7,
consts: [[${AttributeMarker.Classes}, "grape"]],
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div", 0);
}
if (rf & 2) {
$r3$.ɵɵclassMap($ctx$.myClassExp);
$r3$.ɵɵclassProp("apple", $ctx$.yesToApple)("orange", $ctx$.yesToOrange);
$r3$.ɵɵattribute("class", "banana");
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should not generate the styling apply instruction if there are only static style/class attributes',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div class=" foo "
style="width:100px"
[attr.class]="'round'"
[attr.style]="'height:100px'"></div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
type: MyComponent,
selectors:[["my-component"]],
decls: 1,
vars: 2,
consts: [[${AttributeMarker.Classes}, "foo", ${
AttributeMarker.Styles}, "width", "100px"]],
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div", 0);
}
if (rf & 2) {
$r3$.ɵɵattribute("class", "round")("style", "height:100px", $r3$.ɵɵsanitizeStyle);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should not create instructions for empty class bindings', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [class.is-open]></div>\`
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const result = compile(files, angularFiles);
expect(result.source).not.toContain('styling');
});
});
describe('[style] mixed with [class]', () => {
it('should split [style] and [class] bindings into a separate instructions', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [style]="myStyleExp" [class]="myClassExp"></div>\`
})
export class MyComponent {
myStyleExp = [{color:'red'}, {color:'blue', duration:1000}]
myClassExp = 'foo bar apple';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵstyleMap($ctx$.myStyleExp);
$r3$.ɵɵclassMap($ctx$.myClassExp);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should stamp out pipe definitions in the creation block if used by styling bindings',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [style]="myStyleExp | stylePipe" [class]="myClassExp | classPipe"></div>\`
})
export class MyComponent {
myStyleExp = [{color:'red'}, {color:'blue', duration:1000}]
myClassExp = 'foo bar apple';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵpipe(1, "stylePipe");
$r3$.ɵɵpipe(2, "classPipe");
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵstyleMap($r3$.ɵɵpipeBind1(1, 4, $ctx$.myStyleExp));
$r3$.ɵɵclassMap($r3$.ɵɵpipeBind1(2, 6, $ctx$.myClassExp));
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should properly offset multiple style pipe references for styling bindings', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<div [class]="{}"
[class.foo]="fooExp | pipe:2000"
[style]="myStyleExp | pipe:1000"
[style.bar]="barExp | pipe:3000"
[style.baz]="bazExp | pipe:4000">
{{ item }}</div>\`
})
export class MyComponent {
myStyleExp = {};
fooExp = 'foo';
barExp = 'bar';
bazExp = 'baz';
items = [1,2,3];
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵpipe(1, "pipe");
$r3$.ɵɵpipe(2, "pipe");
$r3$.ɵɵpipe(3, "pipe");
$r3$.ɵɵpipe(4, "pipe");
$r3$.ɵɵtext(5);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵstyleMap($r3$.ɵɵpipeBind2(1, 11, $ctx$.myStyleExp, 1000));
$r3$.ɵɵclassMap($r3$.ɵɵpureFunction0(23, _c0));
$r3$.ɵɵstyleProp("bar", $r3$.ɵɵpipeBind2(2, 14, $ctx$.barExp, 3000))("baz", $r3$.ɵɵpipeBind2(3, 17, $ctx$.bazExp, 4000));
$r3$.ɵɵclassProp("foo", $r3$.ɵɵpipeBind2(4, 20, $ctx$.fooExp, 2000));
$r3$.ɵɵadvance(5);
$r3$.ɵɵtextInterpolate1(" ", $ctx$.item, "");
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should always generate select() statements before any styling instructions', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<div [style.width]="w1"></div>
<div [style.height]="h1"></div>
<div [class.active]="a1"></div>
<div [class.removed]="r1"></div>
\`
})
export class MyComponent {
w1 = '100px';
h1 = '100px';
a1 = true;
r1 = true;
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstyleProp("width", $ctx$.w1);
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleProp("height", $ctx$.h1);
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassProp("active", $ctx$.a1);
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassProp("removed", $ctx$.r1);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
});
describe('@Component host styles/classes', () => {
it('should generate style/class instructions for a host component creation definition', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, HostBinding} from '@angular/core';
@Component({
selector: 'my-component',
template: '',
host: {
'style': 'width:200px; height:500px',
'class': 'foo baz'
}
})
export class MyComponent {
@HostBinding('style')
myStyle = {width:'100px'};
@HostBinding('class')
myClass = {bar:false};
@HostBinding('style.color')
myColorProp = 'red';
@HostBinding('class.foo')
myFooClass = 'red';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
hostAttrs: [${AttributeMarker.Classes}, "foo", "baz", ${
AttributeMarker.Styles}, "width", "200px", "height", "500px"],
hostVars: 8,
hostBindings: function MyComponent_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵstyleMap(ctx.myStyle);
$r3$.ɵɵclassMap(ctx.myClass);
$r3$.ɵɵstyleProp("color", ctx.myColorProp);
$r3$.ɵɵclassProp("foo", ctx.myFooClass);
}
},
decls: 0,
vars: 0,
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should generate style/class instructions for multiple host binding definitions', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, HostBinding} from '@angular/core';
@Component({
selector: 'my-component',
template: '',
host: {
'[style.height.pt]': 'myHeightProp',
'[class.bar]': 'myBarClass'
}
})
export class MyComponent {
myHeightProp = 20;
myBarClass = true;
@HostBinding('style')
myStyle = {};
@HostBinding('style.width')
myWidthProp = '500px';
@HostBinding('class.foo')
myFooClass = true;
@HostBinding('class')
myClasses = {a:true, b:true};
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
hostVars: 12,
hostBindings: function MyComponent_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵstyleMap(ctx.myStyle);
$r3$.ɵɵclassMap(ctx.myClasses);
$r3$.ɵɵstyleProp("height", ctx.myHeightProp, "pt")("width", ctx.myWidthProp);
$r3$.ɵɵclassProp("bar", ctx.myBarClass)("foo", ctx.myFooClass);
}
},
decls: 0,
vars: 0,
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should generate override instructions for only single-level styling bindings when !important is present',
() => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, HostBinding} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<div [style!important]="myStyleExp"
[class!important]="myClassExp"
[style.height!important]="myHeightExp"
[class.bar!important]="myBarClassExp"></div>
\`,
host: {
'[style!important]': 'myStyleExp',
'[class!important]': 'myClassExp'
}
})
export class MyComponent {
@HostBinding('class.foo!important')
myFooClassExp = true;
@HostBinding('style.width!important')
myWidthExp = '100px';
myBarClassExp = true;
myHeightExp = '200px';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
}
if (rf & 2) {
$r3$.ɵɵstyleMap(ctx.myStyleExp);
$r3$.ɵɵclassMap(ctx.myClassExp);
$r3$.ɵɵstyleProp("height", ctx.myHeightExp);
$r3$.ɵɵclassProp("bar", ctx.myBarClassExp);
}
},
`;
const hostBindings = `
hostVars: 8,
hostBindings: function MyComponent_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵstyleMap(ctx.myStyleExp);
$r3$.ɵɵclassMap(ctx.myClassExp);
$r3$.ɵɵstyleProp("width", ctx.myWidthExp);
$r3$.ɵɵclassProp("foo", ctx.myFooClassExp);
}
},
`;
const result = compile(files, angularFiles);
expectEmit(result.source, hostBindings, 'Incorrect template');
expectEmit(result.source, template, 'Incorrect template');
});
it('should support class interpolation', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, HostBinding} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<div class="A{{p1}}B"></div>
<div class="A{{p1}}B{{p2}}C"></div>
<div class="A{{p1}}B{{p2}}C{{p3}}D"></div>
<div class="A{{p1}}B{{p2}}C{{p3}}D{{p4}}E"></div>
<div class="A{{p1}}B{{p2}}C{{p3}}D{{p4}}E{{p5}}F"></div>
<div class="A{{p1}}B{{p2}}C{{p3}}D{{p4}}E{{p5}}F{{p6}}G"></div>
<div class="A{{p1}}B{{p2}}C{{p3}}D{{p4}}E{{p5}}F{{p6}}G{{p7}}H"></div>
<div class="A{{p1}}B{{p2}}C{{p3}}D{{p4}}E{{p5}}F{{p6}}G{{p7}}H{{p8}}I"></div>
<div class="A{{p1}}B{{p2}}C{{p3}}D{{p4}}E{{p5}}F{{p6}}G{{p7}}H{{p8}}I{{p9}}J"></div>
\`,
})
export class MyComponent {
p1 = 100;
p2 = 100;
p3 = 100;
p4 = 100;
p5 = 100;
p6 = 100;
p6 = 100;
p7 = 100;
p8 = 100;
p9 = 100;
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
function MyComponent_Template(rf, ctx) {
if (rf & 1) {
}
if (rf & 2) {
$r3$.ɵɵclassMapInterpolate1("A", ctx.p1, "B");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate2("A", ctx.p1, "B", ctx.p2, "C");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate3("A", ctx.p1, "B", ctx.p2, "C", ctx.p3, "D");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate4("A", ctx.p1, "B", ctx.p2, "C", ctx.p3, "D", ctx.p4, "E");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate5("A", ctx.p1, "B", ctx.p2, "C", ctx.p3, "D", ctx.p4, "E", ctx.p5, "F");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate6("A", ctx.p1, "B", ctx.p2, "C", ctx.p3, "D", ctx.p4, "E", ctx.p5, "F", ctx.p6, "G");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate7("A", ctx.p1, "B", ctx.p2, "C", ctx.p3, "D", ctx.p4, "E", ctx.p5, "F", ctx.p6, "G", ctx.p7, "H");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate8("A", ctx.p1, "B", ctx.p2, "C", ctx.p3, "D", ctx.p4, "E", ctx.p5, "F", ctx.p6, "G", ctx.p7, "H", ctx.p8, "I");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolateV(["A", ctx.p1, "B", ctx.p2, "C", ctx.p3, "D", ctx.p4, "E", ctx.p5, "F", ctx.p6, "G", ctx.p7, "H", ctx.p8, "I", ctx.p9, "J"]);
}
},
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should support style interpolation', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, HostBinding} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<div style="p1:{{p1}};"></div>
<div style="p1:{{p1}};p2:{{p2}};"></div>
<div style="p1:{{p1}};p2:{{p2}};p3:{{p3}};"></div>
<div style="p1:{{p1}};p2:{{p2}};p3:{{p3}};p4:{{p4}};"></div>
<div style="p1:{{p1}};p2:{{p2}};p3:{{p3}};p4:{{p4}};p5:{{p5}};"></div>
<div style="p1:{{p1}};p2:{{p2}};p3:{{p3}};p4:{{p4}};p5:{{p5}};p6:{{p6}};"></div>
<div style="p1:{{p1}};p2:{{p2}};p3:{{p3}};p4:{{p4}};p5:{{p5}};p6:{{p6}};p7:{{p7}};"></div>
<div style="p1:{{p1}};p2:{{p2}};p3:{{p3}};p4:{{p4}};p5:{{p5}};p6:{{p6}};p7:{{p7}};p8:{{p8}};"></div>
<div style="p1:{{p1}};p2:{{p2}};p3:{{p3}};p4:{{p4}};p5:{{p5}};p6:{{p6}};p7:{{p7}};p8:{{p8}};p9:{{p9}};"></div>
\`,
})
export class MyComponent {
p1 = 100;
p2 = 100;
p3 = 100;
p4 = 100;
p5 = 100;
p6 = 100;
p6 = 100;
p7 = 100;
p8 = 100;
p9 = 100;
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
function MyComponent_Template(rf, ctx) {
if (rf & 1) {
}
if (rf & 2) {
$r3$.ɵɵstyleMapInterpolate1("p1:", ctx.p1, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolate2("p1:", ctx.p1, ";p2:", ctx.p2, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolate3("p1:", ctx.p1, ";p2:", ctx.p2, ";p3:", ctx.p3, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolate4("p1:", ctx.p1, ";p2:", ctx.p2, ";p3:", ctx.p3, ";p4:", ctx.p4, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolate5("p1:", ctx.p1, ";p2:", ctx.p2, ";p3:", ctx.p3, ";p4:", ctx.p4, ";p5:", ctx.p5, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolate6("p1:", ctx.p1, ";p2:", ctx.p2, ";p3:", ctx.p3, ";p4:", ctx.p4, ";p5:", ctx.p5, ";p6:", ctx.p6, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolate7("p1:", ctx.p1, ";p2:", ctx.p2, ";p3:", ctx.p3, ";p4:", ctx.p4, ";p5:", ctx.p5, ";p6:", ctx.p6, ";p7:", ctx.p7, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolate8("p1:", ctx.p1, ";p2:", ctx.p2, ";p3:", ctx.p3, ";p4:", ctx.p4, ";p5:", ctx.p5, ";p6:", ctx.p6, ";p7:", ctx.p7, ";p8:", ctx.p8, ";");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleMapInterpolateV(["p1:", ctx.p1, ";p2:", ctx.p2, ";p3:", ctx.p3, ";p4:", ctx.p4, ";p5:", ctx.p5, ";p6:", ctx.p6, ";p7:", ctx.p7, ";p8:", ctx.p8, ";p9:", ctx.p9, ";"]);
}
},
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should generate styling instructions for multiple directives that contain host binding definitions',
() => {
const files = {
app: {
'spec.ts': `
import {Directive, Component, NgModule, HostBinding} from '@angular/core';
@Directive({selector: '[myClassDir]'})
export class ClassDirective {
@HostBinding('class')
myClassMap = {red: true};
}
@Directive({selector: '[myWidthDir]'})
export class WidthDirective {
@HostBinding('style.width')
myWidth = 200;
@HostBinding('class.foo')
myFooClass = true;
}
@Directive({selector: '[myHeightDir]'})
export class HeightDirective {
@HostBinding('style.height')
myHeight = 200;
@HostBinding('class.bar')
myBarClass = true;
}
@Component({
selector: 'my-component',
template: '<div myWidthDir myHeightDir myClassDir></div>',
})
export class MyComponent {
}
@NgModule({declarations: [MyComponent, WidthDirective, HeightDirective, ClassDirective]})
export class MyModule {}
`
}
};
// NOTE: IF YOU ARE CHANGING THIS COMPILER SPEC, YOU MAY NEED TO CHANGE THE DIRECTIVE
// DEF THAT'S HARD-CODED IN `ng_class.ts`.
const template = `
hostVars: 2,
hostBindings: function ClassDirective_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵclassMap(ctx.myClassMap);
}
}
hostVars: 4,
hostBindings: function WidthDirective_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵstyleProp("width", ctx.myWidth);
$r3$.ɵɵclassProp("foo", ctx.myFooClass);
}
}
hostVars: 4,
hostBindings: function HeightDirective_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵstyleProp("height", ctx.myHeight);
$r3$.ɵɵclassProp("bar", ctx.myBarClass);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
});
describe('interpolations', () => {
it('should generate the proper update instructions for interpolated classes', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<div class="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g{{seven}}h{{eight}}i{{nine}}j"></div>
<div class="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g{{seven}}h{{eight}}i"></div>
<div class="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g{{seven}}h"></div>
<div class="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g"></div>
<div class="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f"></div>
<div class="a{{one}}b{{two}}c{{three}}d{{four}}e"></div>
<div class="a{{one}}b{{two}}c{{three}}d"></div>
<div class="a{{one}}b{{two}}c"></div>
<div class="a{{one}}b"></div>
<div class="{{one}}"></div>
\`
})
export class MyComponent {
}
`
}
};
const template = `
if (rf & 2) {
$r3$.ɵɵclassMapInterpolateV(["a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g", ctx.seven, "h", ctx.eight, "i", ctx.nine, "j"]);
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate8("a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g", ctx.seven, "h", ctx.eight, "i");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate7("a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g", ctx.seven, "h");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate6("a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate5("a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate4("a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate3("a", ctx.one, "b", ctx.two, "c", ctx.three, "d");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate2("a", ctx.one, "b", ctx.two, "c");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMapInterpolate1("a", ctx.one, "b");
$r3$.ɵɵadvance(1);
$r3$.ɵɵclassMap(ctx.one);
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect handling of interpolated classes');
});
it('should throw for interpolations inside individual class bindings', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: '<div class.something="{{isEnabled}}"></div>'
})
export class MyComponent {
}
`
}
};
expect(() => compile(files, angularFiles)).toThrowError(/Unexpected interpolation/);
});
it('should generate the proper update instructions for interpolated style properties', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<div style.color="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g{{seven}}h{{eight}}i{{nine}}j"></div>
<div style.color="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g{{seven}}h{{eight}}i"></div>
<div style.color="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g{{seven}}h"></div>
<div style.color="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f{{six}}g"></div>
<div style.color="a{{one}}b{{two}}c{{three}}d{{four}}e{{five}}f"></div>
<div style.color="a{{one}}b{{two}}c{{three}}d{{four}}e"></div>
<div style.color="a{{one}}b{{two}}c{{three}}d"></div>
<div style.color="a{{one}}b{{two}}c"></div>
<div style.color="a{{one}}b"></div>
<div style.color="{{one}}"></div>
\`
})
export class MyComponent {
}
`
}
};
const template = `
if (rf & 2) {
$r3$.ɵɵstylePropInterpolateV("color", ["a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g", ctx.seven, "h", ctx.eight, "i", ctx.nine, "j"]);
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate8("color", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g", ctx.seven, "h", ctx.eight, "i");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate7("color", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g", ctx.seven, "h");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate6("color", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f", ctx.six, "g");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate5("color", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e", ctx.five, "f");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate4("color", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d", ctx.four, "e");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate3("color", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate2("color", "a", ctx.one, "b", ctx.two, "c");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstylePropInterpolate1("color", "a", ctx.one, "b");
$r3$.ɵɵadvance(1);
$r3$.ɵɵstyleProp("color", ctx.one);
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect handling of interpolated style properties');
});
it('should generate update instructions for interpolated style properties with a suffix',
() => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<div style.width.px="a{{one}}b{{two}}c"></div>
\`
})
export class MyComponent {
}
`
}
};
const template = `
if (rf & 2) {
$r3$.ɵɵstylePropInterpolate2("width", "a", ctx.one, "b", ctx.two, "c", "px");
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect handling of interpolated style properties');
});
it('should generate update instructions for interpolated style properties with a sanitizer',
() => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<div style.background="url({{ myUrl1 }})"
style.borderImage="url({{ myUrl2 }}) {{ myRepeat }} auto"
style.boxShadow="{{ myBoxX }} {{ myBoxY }} {{ myBoxWidth }} black"></div>
\`
})
export class MyComponent {
myUrl1 = '...';
myUrl2 = '...';
myBoxX = '0px';
myBoxY = '0px';
myBoxWidth = '100px';
myRepeat = 'no-repeat';
}
`
}
};
const template = `
if (rf & 2) {
$r3$.ɵɵstylePropInterpolate1("background", "url(", ctx.myUrl1, ")");
$r3$.ɵɵstylePropInterpolate2("border-image", "url(", ctx.myUrl2, ") ", ctx.myRepeat, " auto");
$r3$.ɵɵstylePropInterpolate3("box-shadow", "", ctx.myBoxX, " ", ctx.myBoxY, " ", ctx.myBoxWidth, " black");
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect handling of interpolated style properties');
});
it('should generate update instructions for interpolated style properties with !important',
() => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<div style.width!important="a{{one}}b{{two}}c"></div>
\`
})
export class MyComponent {
}
`
}
};
const template = `
if (rf & 2) {
$r3$.ɵɵstylePropInterpolate2("width", "a", ctx.one, "b", ctx.two, "c");
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect handling of interpolated style properties');
});
});
describe('instruction chaining', () => {
it('should chain classProp instruction calls', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`<div [class.apple]="yesToApple"
[class.orange]="yesToOrange"
[class.tomato]="yesToTomato"></div>\`
})
export class MyComponent {
yesToApple = true;
yesToOrange = true;
tesToTomato = false;
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵclassProp("apple", $ctx$.yesToApple)("orange", $ctx$.yesToOrange)("tomato", $ctx$.yesToTomato);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain styleProp instruction calls', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`<div [style.color]="color"
[style.border]="border"
[style.transition]="transition"></div>\`
})
export class MyComponent {
color = 'red';
border = '1px solid purple';
transition = 'all 1337ms ease';
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstyleProp("color", $ctx$.color)("border", $ctx$.border)("transition", $ctx$.transition);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain mixed styleProp and classProp calls', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`<div
[class.apple]="yesToApple"
[style.color]="color"
[class.orange]="yesToOrange"
[style.border]="border"
[class.tomato]="yesToTomato"
[style.transition]="transition"></div>\`
})
export class MyComponent {
color = 'red';
border = '1px solid purple';
transition = 'all 1337ms ease';
yesToApple = true;
yesToOrange = true;
tesToTomato = false;
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstyleProp("color", $ctx$.color)("border", $ctx$.border)("transition", $ctx$.transition);
$r3$.ɵɵclassProp("apple", $ctx$.yesToApple)("orange", $ctx$.yesToOrange)("tomato", $ctx$.yesToTomato);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain style interpolations of the same kind', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`<div
style.color="a{{one}}b"
style.border="a{{one}}b"
style.transition="a{{one}}b"></div>\`
})
export class MyComponent {
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstylePropInterpolate1("color", "a", ctx.one, "b")("border", "a", ctx.one, "b")("transition", "a", ctx.one, "b");
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain style interpolations of multiple kinds', () => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`<div
style.color="a{{one}}b"
style.border="a{{one}}b"
style.transition="a{{one}}b{{two}}c"
style.width="a{{one}}b{{two}}c"
style.height="a{{one}}b{{two}}c{{three}}d"
style.top="a{{one}}b{{two}}c{{three}}d"></div>\`
})
export class MyComponent {
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstylePropInterpolate1("color", "a", ctx.one, "b")("border", "a", ctx.one, "b");
$r3$.ɵɵstylePropInterpolate2("transition", "a", ctx.one, "b", ctx.two, "c")("width", "a", ctx.one, "b", ctx.two, "c");
$r3$.ɵɵstylePropInterpolate3("height", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d")("top", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d");
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should break into multiple chains if there are other styling instructions in between',
() => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`<div
style.color="a{{one}}b"
style.border="a{{one}}b"
[class.apple]="yesToApple"
[style.transition]="transition"
[class.orange]="yesToOrange"
[style.width]="width"
style.height="a{{one}}b"
style.top="a{{one}}b"></div>\`
})
export class MyComponent {
transition = 'all 1337ms ease';
width = '42px';
yesToApple = true;
yesToOrange = true;
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstylePropInterpolate1("color", "a", ctx.one, "b")("border", "a", ctx.one, "b");
$r3$.ɵɵstyleProp("transition", ctx.transition)("width", ctx.width);
$r3$.ɵɵstylePropInterpolate1("height", "a", ctx.one, "b")("top", "a", ctx.one, "b");
$r3$.ɵɵclassProp("apple", ctx.yesToApple)("orange", ctx.yesToOrange);
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should break into multiple chains if there are other styling interpolation instructions in between',
() => {
const files = {
app: {
'spec.ts': `
import {Component} from '@angular/core';
@Component({
template: \`<div
style.color="a{{one}}b"
style.border="a{{one}}b"
style.transition="a{{one}}b{{two}}c"
style.width="a{{one}}b{{two}}c{{three}}d"
style.height="a{{one}}b"
style.top="a{{one}}b"></div>\`
})
export class MyComponent {
transition = 'all 1337ms ease';
width = '42px';
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
template: function MyComponent_Template(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstylePropInterpolate1("color", "a", ctx.one, "b")("border", "a", ctx.one, "b");
$r3$.ɵɵstylePropInterpolate2("transition", "a", ctx.one, "b", ctx.two, "c");
$r3$.ɵɵstylePropInterpolate3("width", "a", ctx.one, "b", ctx.two, "c", ctx.three, "d");
$r3$.ɵɵstylePropInterpolate1("height", "a", ctx.one, "b")("top", "a", ctx.one, "b");
}
},
encapsulation: 2
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain styling instructions inside host bindings', () => {
const files = {
app: {
'spec.ts': `
import {Component, HostBinding} from '@angular/core';
@Component({
template: '',
host: {
'[class.apple]': 'yesToApple',
'[style.color]': 'color',
'[class.tomato]': 'yesToTomato',
'[style.transition]': 'transition'
}
})
export class MyComponent {
color = 'red';
transition = 'all 1337ms ease';
yesToApple = true;
tesToTomato = false;
@HostBinding('style.border')
border = '1px solid purple';
@HostBinding('class.orange')
yesToOrange = true;
}
`
}
};
const template = `
MyComponent.ɵcmp = $r3$.ɵɵdefineComponent({
hostBindings: function MyComponent_HostBindings(rf, $ctx$) {
if (rf & 2) {
$r3$.ɵɵstyleProp("color", $ctx$.color)("transition", $ctx$.transition)("border", $ctx$.border);
$r3$.ɵɵclassProp("apple", $ctx$.yesToApple)("tomato", $ctx$.yesToTomato)("orange", $ctx$.yesToOrange);
}
},
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
});
it('should count only non-style and non-class host bindings on Components', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, HostBinding} from '@angular/core';
@Component({
selector: 'my-component',
template: '',
host: {
'style': 'width:200px; height:500px',
'class': 'foo baz',
'title': 'foo title'
}
})
export class MyComponent {
@HostBinding('style')
myStyle = {width:'100px'};
@HostBinding('class')
myClass = {bar:false};
@HostBinding('id')
id = 'some id';
@HostBinding('title')
title = 'some title';
@Input('name')
name = '';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
hostAttrs: ["title", "foo title", ${AttributeMarker.Classes}, "foo", "baz", ${
AttributeMarker.Styles}, "width", "200px", "height", "500px"],
hostVars: 6,
hostBindings: function MyComponent_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵhostProperty("id", ctx.id)("title", ctx.title);
$r3$.ɵɵstyleMap(ctx.myStyle);
$r3$.ɵɵclassMap(ctx.myClass);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should count only non-style and non-class host bindings on Directives', () => {
const files = {
app: {
'spec.ts': `
import {Directive, Component, NgModule, HostBinding} from '@angular/core';
@Directive({selector: '[myWidthDir]'})
export class WidthDirective {
@HostBinding('style.width')
myWidth = 200;
@HostBinding('class.foo')
myFooClass = true;
@HostBinding('id')
id = 'some id';
@HostBinding('title')
title = 'some title';
}
`
}
};
const template = `
hostVars: 6,
hostBindings: function WidthDirective_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵhostProperty("id", ctx.id)("title", ctx.title);
$r3$.ɵɵstyleProp("width", ctx.myWidth);
$r3$.ɵɵclassProp("foo", ctx.myFooClass);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
describe('new styling refactor', () => {
it('should generate the correct amount of host bindings when styling is present', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule} from '@angular/core';
@Directive({
selector: '[my-dir]',
host: {
'[title]': 'title',
'[class.foo]': 'foo',
'[@anim]': \`{
value: _animValue,
params: {
param1: _animParam1,
param2: _animParam2
}
}\`
}
})
export class MyDir {
title = '';
foo = true;
_animValue = null;
_animParam1 = null;
_animParam2 = null;
}
@Component({
selector: 'my-app',
template: \`
<div my-dir></div>
\`
})
export class MyAppComp {}
@NgModule({declarations: [MyAppComp, MyDir]})
export class MyModule {}
`
}
};
const template = `
hostVars: 10,
hostBindings: function MyDir_HostBindings(rf, ctx) {
if (rf & 2) {
$r3$.ɵɵhostProperty("title", ctx.title);
$r3$.ɵɵsyntheticHostProperty("@anim",
$r3$.ɵɵpureFunction2(7, _c1, ctx._animValue,
$r3$.ɵɵpureFunction2(4, _c0, ctx._animParam1, ctx._animParam2)));
$r3$.ɵɵclassProp("foo", ctx.foo);
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
});
});