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node_modules/rxjs/operators/dematerialize.js

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+"use strict";
+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 __());
+};
+var Subscriber_1 = require('../Subscriber');
+/**
+ * Converts an Observable of {@link Notification} objects into the emissions
+ * that they represent.
+ *
+ * <span class="informal">Unwraps {@link Notification} objects as actual `next`,
+ * `error` and `complete` emissions. The opposite of {@link materialize}.</span>
+ *
+ * <img src="./img/dematerialize.png" width="100%">
+ *
+ * `dematerialize` is assumed to operate an Observable that only emits
+ * {@link Notification} objects as `next` emissions, and does not emit any
+ * `error`. Such Observable is the output of a `materialize` operation. Those
+ * notifications are then unwrapped using the metadata they contain, and emitted
+ * as `next`, `error`, and `complete` on the output Observable.
+ *
+ * Use this operator in conjunction with {@link materialize}.
+ *
+ * @example <caption>Convert an Observable of Notifications to an actual Observable</caption>
+ * var notifA = new Rx.Notification('N', 'A');
+ * var notifB = new Rx.Notification('N', 'B');
+ * var notifE = new Rx.Notification('E', void 0,
+ *   new TypeError('x.toUpperCase is not a function')
+ * );
+ * var materialized = Rx.Observable.of(notifA, notifB, notifE);
+ * var upperCase = materialized.dematerialize();
+ * upperCase.subscribe(x => console.log(x), e => console.error(e));
+ *
+ * // Results in:
+ * // A
+ * // B
+ * // TypeError: x.toUpperCase is not a function
+ *
+ * @see {@link Notification}
+ * @see {@link materialize}
+ *
+ * @return {Observable} An Observable that emits items and notifications
+ * embedded in Notification objects emitted by the source Observable.
+ * @method dematerialize
+ * @owner Observable
+ */
+function dematerialize() {
+    return function dematerializeOperatorFunction(source) {
+        return source.lift(new DeMaterializeOperator());
+    };
+}
+exports.dematerialize = dematerialize;
+var DeMaterializeOperator = (function () {
+    function DeMaterializeOperator() {
+    }
+    DeMaterializeOperator.prototype.call = function (subscriber, source) {
+        return source.subscribe(new DeMaterializeSubscriber(subscriber));
+    };
+    return DeMaterializeOperator;
+}());
+/**
+ * We need this JSDoc comment for affecting ESDoc.
+ * @ignore
+ * @extends {Ignored}
+ */
+var DeMaterializeSubscriber = (function (_super) {
+    __extends(DeMaterializeSubscriber, _super);
+    function DeMaterializeSubscriber(destination) {
+        _super.call(this, destination);
+    }
+    DeMaterializeSubscriber.prototype._next = function (value) {
+        value.observe(this.destination);
+    };
+    return DeMaterializeSubscriber;
+}(Subscriber_1.Subscriber));
+//# sourceMappingURL=dematerialize.js.map