source: trip-planner-front/node_modules/rxjs/_esm5/internal/observable/fromEventPattern.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */
2import { Observable } from '../Observable';
3import { isArray } from '../util/isArray';
4import { isFunction } from '../util/isFunction';
5import { map } from '../operators/map';
6export function fromEventPattern(addHandler, removeHandler, resultSelector) {
7 if (resultSelector) {
8 return fromEventPattern(addHandler, removeHandler).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));
9 }
10 return new Observable(function (subscriber) {
11 var handler = function () {
12 var e = [];
13 for (var _i = 0; _i < arguments.length; _i++) {
14 e[_i] = arguments[_i];
15 }
16 return subscriber.next(e.length === 1 ? e[0] : e);
17 };
18 var retValue;
19 try {
20 retValue = addHandler(handler);
21 }
22 catch (err) {
23 subscriber.error(err);
24 return undefined;
25 }
26 if (!isFunction(removeHandler)) {
27 return undefined;
28 }
29 return function () { return removeHandler(handler, retValue); };
30 });
31}
32//# sourceMappingURL=fromEventPattern.js.map
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