27 lines
633 B
TypeScript
27 lines
633 B
TypeScript
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import { Observable } from 'rxjs/Observable';
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import 'rxjs/add/observable/of';
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// #docregion
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import { ajax } from 'rxjs/observable/dom/ajax';
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import { map, catchError } from 'rxjs/operators';
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// Return "response" from the API. If an error happens,
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// return an empty array.
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const apiData = ajax('/api/data').pipe(
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map(res => {
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if (!res.response) {
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throw new Error('Value expected!');
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}
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return res.response;
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}),
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catchError(err => Observable.of([]))
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);
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apiData.subscribe({
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next(x) { console.log('data: ', x); },
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error(err) { console.log('errors already caught... will not run'); }
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});
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// #enddocregion
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