feat(core): add the find method to QueryList

2016-10-26 16:14:34 -07:00
parent a318b57257
commit 7c16ef942e
3 changed files with 17 additions and 0 deletions
--- a/modules/@angular/core/src/linker/query_list.ts
+++ b/modules/@angular/core/src/linker/query_list.ts
@ -57,6 +57,12 @@ export class QueryList<T>/* implements Iterable<T> */ {
    return this._results.filter(fn);
  }

+  /**
+   * See
+   * [Array.find](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find)
+   */
+  find(fn: (item: T, index: number, array: T[]) => boolean): T { return this._results.find(fn); }
+
  /**
   * See
   * [Array.reduce](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce)