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node_modules/rxjs/_esm5/observable/IfObservable.js

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+/** PURE_IMPORTS_START .._Observable,.._util_subscribeToResult,.._OuterSubscriber PURE_IMPORTS_END */
+var __extends = (this && this.__extends) || function (d, b) {
+    for (var p in b)
+        if (b.hasOwnProperty(p))
+            d[p] = b[p];
+    function __() { this.constructor = d; }
+    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+};
+import { Observable } from '../Observable';
+import { subscribeToResult } from '../util/subscribeToResult';
+import { OuterSubscriber } from '../OuterSubscriber';
+/**
+ * We need this JSDoc comment for affecting ESDoc.
+ * @extends {Ignored}
+ * @hide true
+ */
+export var IfObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
+    __extends(IfObservable, _super);
+    function IfObservable(condition, thenSource, elseSource) {
+        _super.call(this);
+        this.condition = condition;
+        this.thenSource = thenSource;
+        this.elseSource = elseSource;
+    }
+    IfObservable.create = function (condition, thenSource, elseSource) {
+        return new IfObservable(condition, thenSource, elseSource);
+    };
+    /** @deprecated internal use only */ IfObservable.prototype._subscribe = function (subscriber) {
+        var _a = this, condition = _a.condition, thenSource = _a.thenSource, elseSource = _a.elseSource;
+        return new IfSubscriber(subscriber, condition, thenSource, elseSource);
+    };
+    return IfObservable;
+}(Observable));
+var IfSubscriber = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
+    __extends(IfSubscriber, _super);
+    function IfSubscriber(destination, condition, thenSource, elseSource) {
+        _super.call(this, destination);
+        this.condition = condition;
+        this.thenSource = thenSource;
+        this.elseSource = elseSource;
+        this.tryIf();
+    }
+    IfSubscriber.prototype.tryIf = function () {
+        var _a = this, condition = _a.condition, thenSource = _a.thenSource, elseSource = _a.elseSource;
+        var result;
+        try {
+            result = condition();
+            var source = result ? thenSource : elseSource;
+            if (source) {
+                this.add(subscribeToResult(this, source));
+            }
+            else {
+                this._complete();
+            }
+        }
+        catch (err) {
+            this._error(err);
+        }
+    };
+    return IfSubscriber;
+}(OuterSubscriber));
+//# sourceMappingURL=IfObservable.js.map