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feat(platform-browser): do not throw error when Hammer.js not loaded (#22257)

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closes #16992

PR Close #22257
This commit is contained in:
Trotyl
2018-02-17 21:00:05 +08:00
committed by Victor Berchet
parent 7c45db3a19
commit 991300b86c
2 changed files with 20 additions and 5 deletions
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8
packages/platform-browser/src/dom/events/hammer_gestures.ts
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@ -6,7 +6,7 @@
* found in the LICENSE file at https://angular.io/license
*/
import {Inject, Injectable, InjectionToken} from '@angular/core';
import {Inject, Injectable, InjectionToken, ɵConsole as Console} from '@angular/core';
import {DOCUMENT} from '../dom_tokens';
@ -99,7 +99,8 @@ export class HammerGestureConfig {
export class HammerGesturesPlugin extends EventManagerPlugin {
constructor(
@Inject(DOCUMENT) doc: any,
@Inject(HAMMER_GESTURE_CONFIG) private _config: HammerGestureConfig) {
@Inject(HAMMER_GESTURE_CONFIG) private _config: HammerGestureConfig,
private console: Console) {
super(doc);
}
@ -109,7 +110,8 @@ export class HammerGesturesPlugin extends EventManagerPlugin {
}
if (!(window as any).Hammer) {
throw new Error(`Hammer.js is not loaded, can not bind ${eventName} event`);
this.console.warn(`Hammer.js is not loaded, can not bind '${eventName}' event.`);
return false;
}
return true;