fix(tooltip): add missing rxjs import (#2288)

2026-09-14 13:54:52 +08:00 · 2016-12-20 10:48:32 -08:00
parent 5cfbb17122
commit ba7053fbe1
1 changed files with 2 additions and 0 deletions
@@ -30,6 +30,8 @@ import {MdTooltipInvalidPositionError} from './tooltip-errors';
 import {Observable} from 'rxjs/Observable';
 import {Subject} from 'rxjs/Subject';
 import {Dir} from '../core/rtl/dir';
+import 'rxjs/add/operator/first';
+

 export type TooltipPosition = 'left' | 'right' | 'above' | 'below' | 'before' | 'after';