feat: initial commit

node_modules/rxjs/internal/operators/switchMap.js

@@ -0,0 +1,89 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var map_1 = require("./map");
+var from_1 = require("../observable/from");
+var innerSubscribe_1 = require("../innerSubscribe");
+function switchMap(project, resultSelector) {
+    if (typeof resultSelector === 'function') {
+        return function (source) { return source.pipe(switchMap(function (a, i) { return from_1.from(project(a, i)).pipe(map_1.map(function (b, ii) { return resultSelector(a, b, i, ii); })); })); };
+    }
+    return function (source) { return source.lift(new SwitchMapOperator(project)); };
+}
+exports.switchMap = switchMap;
+var SwitchMapOperator = (function () {
+    function SwitchMapOperator(project) {
+        this.project = project;
+    }
+    SwitchMapOperator.prototype.call = function (subscriber, source) {
+        return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));
+    };
+    return SwitchMapOperator;
+}());
+var SwitchMapSubscriber = (function (_super) {
+    __extends(SwitchMapSubscriber, _super);
+    function SwitchMapSubscriber(destination, project) {
+        var _this = _super.call(this, destination) || this;
+        _this.project = project;
+        _this.index = 0;
+        return _this;
+    }
+    SwitchMapSubscriber.prototype._next = function (value) {
+        var result;
+        var index = this.index++;
+        try {
+            result = this.project(value, index);
+        }
+        catch (error) {
+            this.destination.error(error);
+            return;
+        }
+        this._innerSub(result);
+    };
+    SwitchMapSubscriber.prototype._innerSub = function (result) {
+        var innerSubscription = this.innerSubscription;
+        if (innerSubscription) {
+            innerSubscription.unsubscribe();
+        }
+        var innerSubscriber = new innerSubscribe_1.SimpleInnerSubscriber(this);
+        var destination = this.destination;
+        destination.add(innerSubscriber);
+        this.innerSubscription = innerSubscribe_1.innerSubscribe(result, innerSubscriber);
+        if (this.innerSubscription !== innerSubscriber) {
+            destination.add(this.innerSubscription);
+        }
+    };
+    SwitchMapSubscriber.prototype._complete = function () {
+        var innerSubscription = this.innerSubscription;
+        if (!innerSubscription || innerSubscription.closed) {
+            _super.prototype._complete.call(this);
+        }
+        this.unsubscribe();
+    };
+    SwitchMapSubscriber.prototype._unsubscribe = function () {
+        this.innerSubscription = undefined;
+    };
+    SwitchMapSubscriber.prototype.notifyComplete = function () {
+        this.innerSubscription = undefined;
+        if (this.isStopped) {
+            _super.prototype._complete.call(this);
+        }
+    };
+    SwitchMapSubscriber.prototype.notifyNext = function (innerValue) {
+        this.destination.next(innerValue);
+    };
+    return SwitchMapSubscriber;
+}(innerSubscribe_1.SimpleOuterSubscriber));
+//# sourceMappingURL=switchMap.js.map