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lacolaco wants to merge 2 commits into from
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feat(core): Add QueryList#forEach #6341

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d8341c4
feat(core): Add `QueryList#forEach`
Jan 8, 2016
ef22fd4
feat(core): Add `QueryList.forEach` to public api.
Feb 11, 2016
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5 changes: 5 additions & 0 deletions modules/angular2/src/core/linker/query_list.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,11 @@ export class QueryList<T> {
*/
reduce<U>(fn: (acc: U, item: T) => U, init: U): U { return this._results.reduce(fn, init); }

/**
* executes function for each element in a query.
*/
forEach(fn: (item: T) => void): void { this._results.forEach(fn); }

/**
* converts QueryList into an array
*/
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7 changes: 7 additions & 0 deletions modules/angular2/test/core/linker/query_list_spec.ts
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Expand Up @@ -50,6 +50,13 @@ export function main() {
expect(queryList.map((x) => x)).toEqual(['one', 'two']);
});

it('should support forEach', () => {
queryList.reset(['one', 'two']);
let join = '';
queryList.forEach((x) => join = join + x);
expect(join).toEqual('onetwo');
});

if (!IS_DART) {
it('should support filter', () => {
queryList.reset(['one', 'two']);
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1 change: 1 addition & 0 deletions tools/public_api_guard/public_api_spec.ts
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Expand Up @@ -342,6 +342,7 @@ const CORE = [
'QueryList.changes:Observable<any>',
'QueryList.filter(fn:(item: T) => boolean):T[]',
'QueryList.first:T',
'QueryList.forEach(fn:(item: T) => void):void',
'QueryList.last:T',
'QueryList.length:number',
'QueryList.map(fn:(item: T) => U):U[]',
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