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use handleEvent in History so we don't have to bind

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This commit is contained in:
Bruno Windels 2020-10-19 12:55:10 +02:00
parent 3e34ccb7e1
commit fb273782bf
1 changed files with 7 additions and 12 deletions
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19
src/ui/web/dom/History.js
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@ -17,14 +17,11 @@ limitations under the License.
import {BaseObservableValue} from "../../../observable/ObservableValue.js"; import {BaseObservableValue} from "../../../observable/ObservableValue.js";
export class History extends BaseObservableValue { export class History extends BaseObservableValue {
constructor() { handleEvent(event) {
super(); if (event.type === "hashchange") {
this._boundOnHashChange = null; this.emit(this.get());
} this._storeHash(this.get());
}
_onHashChange() {
this.emit(this.get());
this._storeHash(this.get());
} }
get() { get() {
@ -60,13 +57,11 @@ export class History extends BaseObservableValue {
} }
onSubscribeFirst() { onSubscribeFirst() {
this._boundOnHashChange = this._onHashChange.bind(this); window.addEventListener('hashchange', this);
window.addEventListener('hashchange', this._boundOnHashChange);
} }
onUnsubscribeLast() { onUnsubscribeLast() {
window.removeEventListener('hashchange', this._boundOnHashChange); window.removeEventListener('hashchange', this);
this._boundOnHashChange = null;
} }
_storeHash(hash) { _storeHash(hash) {