Add web front-end and fix API issues

node_modules/rxjs/dist/cjs/internal/operators/sample.js

@@ -0,0 +1,27 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.sample = void 0;
+var innerFrom_1 = require("../observable/innerFrom");
+var lift_1 = require("../util/lift");
+var noop_1 = require("../util/noop");
+var OperatorSubscriber_1 = require("./OperatorSubscriber");
+function sample(notifier) {
+    return lift_1.operate(function (source, subscriber) {
+        var hasValue = false;
+        var lastValue = null;
+        source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
+            hasValue = true;
+            lastValue = value;
+        }));
+        innerFrom_1.innerFrom(notifier).subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function () {
+            if (hasValue) {
+                hasValue = false;
+                var value = lastValue;
+                lastValue = null;
+                subscriber.next(value);
+            }
+        }, noop_1.noop));
+    });
+}
+exports.sample = sample;
+//# sourceMappingURL=sample.js.map