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perf(ivy): chain multiple attribute instructions (#31152)

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Similarly to what we did in #31078, these changes implement chaining for the `attribute` instruction.

This PR resolves FW-1390.

PR Close #31152
This commit is contained in:
crisbeto
2019-06-24 20:24:32 +02:00
committed by Kara Erickson
parent fcb03abc72
commit 23c017121e
6 changed files with 335 additions and 28 deletions
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208
packages/compiler-cli/test/compliance/r3_view_compiler_binding_spec.ts
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@ -229,9 +229,9 @@ describe('compiler compliance: bindings', () => {
template: function MyComponent_Template(rf, ctx) {
…
if (rf & 2) {
$r3$.ɵɵattribute("id", 2);
$r3$.ɵɵpropertyInterpolate("aria-label", 1 + 3);
$r3$.ɵɵproperty("title", 1)("tabindex", 3);
$r3$.ɵɵattribute("id", 2);
}
}
`;
@ -408,6 +408,212 @@ describe('compiler compliance: bindings', () => {
});
describe('attribute bindings', () => {
it('should chain multiple attribute bindings into a single instruction', () => {
const files = {
app: {
'example.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<button [attr.title]="myTitle" attr.id="{{buttonId}}" [attr.tabindex]="1"></button>
\`
})
export class MyComponent {
myTitle = 'hello';
buttonId = 'special-button';
}`
}
};
const result = compile(files, angularFiles);
const template = `
…
template: function MyComponent_Template(rf, ctx) {
…
if (rf & 2) {
$r3$.ɵɵattribute("title", ctx.myTitle)("id", ctx.buttonId)("tabindex", 1);
}
}
`;
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain multiple single-interpolation attribute bindings into one instruction', () => {
const files = {
app: {
'example.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<button attr.title="{{myTitle}}" attr.id="{{buttonId}}" attr.tabindex="{{1}}"></button>
\`
})
export class MyComponent {
myTitle = 'hello';
buttonId = 'special-button';
}`
}
};
const result = compile(files, angularFiles);
const template = `
…
template: function MyComponent_Template(rf, ctx) {
…
if (rf & 2) {
$r3$.ɵɵattribute("title", ctx.myTitle)("id", ctx.buttonId)("tabindex", 1);
}
}
`;
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain attribute bindings in the presence of other instructions', () => {
const files = {
app: {
'example.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<button [attr.title]="1" [id]="2" [attr.tabindex]="3" attr.aria-label="prefix-{{1 + 3}}">
</button>
\`
})
export class MyComponent {}`
}
};
const result = compile(files, angularFiles);
const template = `
…
template: function MyComponent_Template(rf, ctx) {
…
if (rf & 2) {
$r3$.ɵɵattributeInterpolate1("aria-label", "prefix-", 1 + 3, "");
$r3$.ɵɵproperty("id", 2);
$r3$.ɵɵattribute("title", 1)("tabindex", 3);
}
}
`;
expectEmit(result.source, template, 'Incorrect template');
});
it('should not add interpolated attributes to the attribute instruction chain', () => {
const files = {
app: {
'example.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<button
[attr.title]="1"
[attr.id]="2"
attr.tabindex="prefix-{{0 + 3}}"
attr.aria-label="hello-{{1 + 3}}-{{2 + 3}}"></button>\`
})
export class MyComponent {}`
}
};
const result = compile(files, angularFiles);
const template = `
…
template: function MyComponent_Template(rf, ctx) {
…
if (rf & 2) {
$r3$.ɵɵattributeInterpolate1("tabindex", "prefix-", 0 + 3, "");
$r3$.ɵɵattributeInterpolate2("aria-label", "hello-", 1 + 3, "-", 2 + 3, "");
$r3$.ɵɵattribute("title", 1)("id", 2);
}
}
`;
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain multiple attribute bindings when there are multiple elements', () => {
const files = {
app: {
'example.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<button [attr.title]="myTitle" [attr.id]="buttonId" [attr.tabindex]="1"></button>
<span [attr.id]="1" [attr.title]="'hello'" [attr.some-attr]="1 + 2"></span>
<custom-element [attr.some-attr]="'one'" [attr.some-other-attr]="2"></custom-element>
\`
})
export class MyComponent {
myTitle = 'hello';
buttonId = 'special-button';
}`
}
};
const result = compile(files, angularFiles);
const template = `
…
template: function MyComponent_Template(rf, ctx) {
…
if (rf & 2) {
$r3$.ɵɵattribute("title", ctx.myTitle)("id", ctx.buttonId)("tabindex", 1);
$r3$.ɵɵselect(1);
$r3$.ɵɵattribute("id", 1)("title", "hello")("some-attr", 1 + 2);
$r3$.ɵɵselect(2);
$r3$.ɵɵattribute("some-attr", "one")("some-other-attr", 2);
}
}
`;
expectEmit(result.source, template, 'Incorrect template');
});
it('should chain multiple attribute bindings when there are child elements', () => {
const files = {
app: {
'example.ts': `
import {Component} from '@angular/core';
@Component({
template: \`
<button [attr.title]="myTitle" [attr.id]="buttonId" [attr.tabindex]="1">
<span [attr.id]="1" [attr.title]="'hello'" [attr.some-attr]="1 + 2"></span>
</button>\`
})
export class MyComponent {
myTitle = 'hello';
buttonId = 'special-button';
}`
}
};
const result = compile(files, angularFiles);
const template = `
…
template: function MyComponent_Template(rf, ctx) {
…
if (rf & 2) {
$r3$.ɵɵattribute("title", ctx.myTitle)("id", ctx.buttonId)("tabindex", 1);
$r3$.ɵɵselect(1);
$r3$.ɵɵattribute("id", 1)("title", "hello")("some-attr", 1 + 2);
}
}
`;
expectEmit(result.source, template, 'Incorrect template');
});
});
describe('host bindings', () => {
it('should support host bindings', () => {
const files = {