node_modules

node_modules/rxjs/internal/observable/defer.js

@@ -0,0 +1,21 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Observable_1 = require("../Observable");
+var from_1 = require("./from");
+var empty_1 = require("./empty");
+function defer(observableFactory) {
+    return new Observable_1.Observable(function (subscriber) {
+        var input;
+        try {
+            input = observableFactory();
+        }
+        catch (err) {
+            subscriber.error(err);
+            return undefined;
+        }
+        var source = input ? from_1.from(input) : empty_1.empty();
+        return source.subscribe(subscriber);
+    });
+}
+exports.defer = defer;
+//# sourceMappingURL=defer.js.map