| 1 | /** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */
|
|---|
| 2 | import * as tslib_1 from "tslib";
|
|---|
| 3 | import { Subscriber } from '../Subscriber';
|
|---|
| 4 | export function find(predicate, thisArg) {
|
|---|
| 5 | if (typeof predicate !== 'function') {
|
|---|
| 6 | throw new TypeError('predicate is not a function');
|
|---|
| 7 | }
|
|---|
| 8 | return function (source) { return source.lift(new FindValueOperator(predicate, source, false, thisArg)); };
|
|---|
| 9 | }
|
|---|
| 10 | var FindValueOperator = /*@__PURE__*/ (function () {
|
|---|
| 11 | function FindValueOperator(predicate, source, yieldIndex, thisArg) {
|
|---|
| 12 | this.predicate = predicate;
|
|---|
| 13 | this.source = source;
|
|---|
| 14 | this.yieldIndex = yieldIndex;
|
|---|
| 15 | this.thisArg = thisArg;
|
|---|
| 16 | }
|
|---|
| 17 | FindValueOperator.prototype.call = function (observer, source) {
|
|---|
| 18 | return source.subscribe(new FindValueSubscriber(observer, this.predicate, this.source, this.yieldIndex, this.thisArg));
|
|---|
| 19 | };
|
|---|
| 20 | return FindValueOperator;
|
|---|
| 21 | }());
|
|---|
| 22 | export { FindValueOperator };
|
|---|
| 23 | var FindValueSubscriber = /*@__PURE__*/ (function (_super) {
|
|---|
| 24 | tslib_1.__extends(FindValueSubscriber, _super);
|
|---|
| 25 | function FindValueSubscriber(destination, predicate, source, yieldIndex, thisArg) {
|
|---|
| 26 | var _this = _super.call(this, destination) || this;
|
|---|
| 27 | _this.predicate = predicate;
|
|---|
| 28 | _this.source = source;
|
|---|
| 29 | _this.yieldIndex = yieldIndex;
|
|---|
| 30 | _this.thisArg = thisArg;
|
|---|
| 31 | _this.index = 0;
|
|---|
| 32 | return _this;
|
|---|
| 33 | }
|
|---|
| 34 | FindValueSubscriber.prototype.notifyComplete = function (value) {
|
|---|
| 35 | var destination = this.destination;
|
|---|
| 36 | destination.next(value);
|
|---|
| 37 | destination.complete();
|
|---|
| 38 | this.unsubscribe();
|
|---|
| 39 | };
|
|---|
| 40 | FindValueSubscriber.prototype._next = function (value) {
|
|---|
| 41 | var _a = this, predicate = _a.predicate, thisArg = _a.thisArg;
|
|---|
| 42 | var index = this.index++;
|
|---|
| 43 | try {
|
|---|
| 44 | var result = predicate.call(thisArg || this, value, index, this.source);
|
|---|
| 45 | if (result) {
|
|---|
| 46 | this.notifyComplete(this.yieldIndex ? index : value);
|
|---|
| 47 | }
|
|---|
| 48 | }
|
|---|
| 49 | catch (err) {
|
|---|
| 50 | this.destination.error(err);
|
|---|
| 51 | }
|
|---|
| 52 | };
|
|---|
| 53 | FindValueSubscriber.prototype._complete = function () {
|
|---|
| 54 | this.notifyComplete(this.yieldIndex ? -1 : undefined);
|
|---|
| 55 | };
|
|---|
| 56 | return FindValueSubscriber;
|
|---|
| 57 | }(Subscriber));
|
|---|
| 58 | export { FindValueSubscriber };
|
|---|
| 59 | //# sourceMappingURL=find.js.map
|
|---|
