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feat(QueryList): support index in callbacks

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Closes #9278
This commit is contained in:
Pawel Kozlowski
2016-06-17 15:38:52 +02:00
committed by Victor Berchet
parent 6c389ed32f
commit 5fe60759f9
3 changed files with 37 additions and 15 deletions
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34
modules/@angular/core/test/linker/query_list_spec.ts
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@ -40,6 +40,11 @@ export function main() {
expect(queryList.map((x) => x)).toEqual(['one', 'two']);
});
it('should support map with index', () => {
queryList.reset(['one', 'two']);
expect(queryList.map((x, i) => `${x}_${i}`)).toEqual(['one_0', 'two_1']);
});
it('should support forEach', () => {
queryList.reset(['one', 'two']);
let join = '';
@ -47,25 +52,40 @@ export function main() {
expect(join).toEqual('onetwo');
});
it('should support forEach with index', () => {
queryList.reset(['one', 'two']);
let join = '';
queryList.forEach((x, i) => join = join + x + i);
expect(join).toEqual('one0two1');
});
if (!IS_DART) {
it('should support filter', () => {
queryList.reset(['one', 'two']);
expect((<_JsQueryList>queryList).filter((x: any /** TODO #9100 */) => x == 'one')).toEqual([
'one'
]);
expect((<_JsQueryList>queryList).filter((x: string) => x == 'one')).toEqual(['one']);
});
it('should support filter with index', () => {
queryList.reset(['one', 'two']);
expect((<_JsQueryList>queryList).filter((x: string, i: number) => i == 0)).toEqual(['one']);
});
it('should support reduce', () => {
queryList.reset(['one', 'two']);
expect((<_JsQueryList>queryList)
.reduce((a: any /** TODO #9100 */, x: any /** TODO #9100 */) => a + x, 'start:'))
expect((<_JsQueryList>queryList).reduce((a: string, x: string) => a + x, 'start:'))
.toEqual('start:onetwo');
});
it('should support reduce with index', () => {
queryList.reset(['one', 'two']);
expect((<_JsQueryList>queryList)
.reduce((a: string, x: string, i: number) => a + x + i, 'start:'))
.toEqual('start:one0two1');
});
it('should support toArray', () => {
queryList.reset(['one', 'two']);
expect((<_JsQueryList>queryList)
.reduce((a: any /** TODO #9100 */, x: any /** TODO #9100 */) => a + x, 'start:'))
expect((<_JsQueryList>queryList).reduce((a: string, x: string) => a + x, 'start:'))
.toEqual('start:onetwo');
});