1 | "use strict";
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2 | var __extends = (this && this.__extends) || (function () {
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3 | var extendStatics = function (d, b) {
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4 | extendStatics = Object.setPrototypeOf ||
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5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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7 | return extendStatics(d, b);
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8 | }
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9 | return function (d, b) {
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10 | extendStatics(d, b);
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11 | function __() { this.constructor = d; }
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12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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13 | };
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14 | })();
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15 | Object.defineProperty(exports, "__esModule", { value: true });
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16 | var Subscriber_1 = require("../Subscriber");
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17 | function find(predicate, thisArg) {
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18 | if (typeof predicate !== 'function') {
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19 | throw new TypeError('predicate is not a function');
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20 | }
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21 | return function (source) { return source.lift(new FindValueOperator(predicate, source, false, thisArg)); };
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22 | }
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23 | exports.find = find;
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24 | var FindValueOperator = (function () {
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25 | function FindValueOperator(predicate, source, yieldIndex, thisArg) {
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26 | this.predicate = predicate;
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27 | this.source = source;
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28 | this.yieldIndex = yieldIndex;
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29 | this.thisArg = thisArg;
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30 | }
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31 | FindValueOperator.prototype.call = function (observer, source) {
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32 | return source.subscribe(new FindValueSubscriber(observer, this.predicate, this.source, this.yieldIndex, this.thisArg));
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33 | };
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34 | return FindValueOperator;
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35 | }());
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36 | exports.FindValueOperator = FindValueOperator;
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37 | var FindValueSubscriber = (function (_super) {
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38 | __extends(FindValueSubscriber, _super);
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39 | function FindValueSubscriber(destination, predicate, source, yieldIndex, thisArg) {
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40 | var _this = _super.call(this, destination) || this;
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41 | _this.predicate = predicate;
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42 | _this.source = source;
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43 | _this.yieldIndex = yieldIndex;
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44 | _this.thisArg = thisArg;
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45 | _this.index = 0;
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46 | return _this;
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47 | }
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48 | FindValueSubscriber.prototype.notifyComplete = function (value) {
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49 | var destination = this.destination;
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50 | destination.next(value);
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51 | destination.complete();
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52 | this.unsubscribe();
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53 | };
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54 | FindValueSubscriber.prototype._next = function (value) {
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55 | var _a = this, predicate = _a.predicate, thisArg = _a.thisArg;
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56 | var index = this.index++;
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57 | try {
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58 | var result = predicate.call(thisArg || this, value, index, this.source);
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59 | if (result) {
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60 | this.notifyComplete(this.yieldIndex ? index : value);
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61 | }
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62 | }
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63 | catch (err) {
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64 | this.destination.error(err);
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65 | }
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66 | };
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67 | FindValueSubscriber.prototype._complete = function () {
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68 | this.notifyComplete(this.yieldIndex ? -1 : undefined);
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69 | };
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70 | return FindValueSubscriber;
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71 | }(Subscriber_1.Subscriber));
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72 | exports.FindValueSubscriber = FindValueSubscriber;
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73 | //# sourceMappingURL=find.js.map |
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