e86a1d3441
Turns on the `strict` compiler flag and resolves the compilation errors in the various AIO examples. PR Close #41999
44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
// TODO: Add unit tests for this file.
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import { Observable } from 'rxjs';
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// #docregion
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// Create an Observable that will start listening to geolocation updates
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// when a consumer subscribes.
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const locations = new Observable((observer) => {
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let watchId: number;
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// Simple geolocation API check provides values to publish
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if ('geolocation' in navigator) {
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watchId = navigator.geolocation.watchPosition((position: GeolocationPosition) => {
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observer.next(position);
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}, (error: GeolocationPositionError) => {
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observer.error(error);
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});
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} else {
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observer.error('Geolocation not available');
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}
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// When the consumer unsubscribes, clean up data ready for next subscription.
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return {
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unsubscribe() {
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navigator.geolocation.clearWatch(watchId);
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}
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};
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});
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// Call subscribe() to start listening for updates.
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const locationsSubscription = locations.subscribe({
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next(position) {
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console.log('Current Position: ', position);
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},
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error(msg) {
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console.log('Error Getting Location: ', msg);
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}
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});
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// Stop listening for location after 10 seconds
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setTimeout(() => {
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locationsSubscription.unsubscribe();
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}, 10000);
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// #enddocregion
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