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feat(common): support as syntax in template/* bindings (#15025)

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* feat(common): support `as` syntax in template/* bindings

Closes #15020

Showing the new and the equivalent old syntax.
- `*ngIf="exp as var1”`
   => `*ngIf="exp; let var1 = ngIf”`
- `*ngFor="var item of itemsStream |async as items”`
   => `*ngFor="var item of itemsStream |async; let items = ngForOf”`

* feat(common): convert ngIf to use `*ngIf="exp as local“` syntax

* feat(common): convert ngForOf to use `*ngFor=“let i of exp as local“` syntax

* feat(common): expose NgForOfContext and NgIfContext
This commit is contained in:
Miško Hevery
2017-03-14 20:46:29 -07:00
committed by Chuck Jazdzewski
parent 5fe2d8fd80
commit c10c060d20
12 changed files with 137 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
packages/common/src/directives/index.ts
View File

@ -10,8 +10,8 @@ import {Provider} from '@angular/core';
import {NgClass} from './ng_class';
import {NgComponentOutlet} from './ng_component_outlet';
import {NgFor, NgForOf} from './ng_for_of';
import {NgIf} from './ng_if';
import {NgFor, NgForOf, NgForOfContext} from './ng_for_of';
import {NgIf, NgIfContext} from './ng_if';
import {NgPlural, NgPluralCase} from './ng_plural';
import {NgStyle} from './ng_style';
import {NgSwitch, NgSwitchCase, NgSwitchDefault} from './ng_switch';
@ -22,7 +22,9 @@ export {
NgComponentOutlet,
NgFor,
NgForOf,
NgForOfContext,
NgIf,
NgIfContext,
NgPlural,
NgPluralCase,
NgStyle,
@ -55,4 +57,4 @@ export const COMMON_DIRECTIVES: Provider[] = [
/**
* A colletion of deprecated directives that are no longer part of the core module.
*/
export const COMMON_DEPRECATED_DIRECTIVES: Provider[] = [NgFor];
export const COMMON_DEPRECATED_DIRECTIVES: Provider[] = [NgFor];