Add web front-end and fix API issues

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

@@ -0,0 +1,14 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.expand = void 0;
+var lift_1 = require("../util/lift");
+var mergeInternals_1 = require("./mergeInternals");
+function expand(project, concurrent, scheduler) {
+    if (concurrent === void 0) { concurrent = Infinity; }
+    concurrent = (concurrent || 0) < 1 ? Infinity : concurrent;
+    return lift_1.operate(function (source, subscriber) {
+        return mergeInternals_1.mergeInternals(source, subscriber, project, concurrent, undefined, true, scheduler);
+    });
+}
+exports.expand = expand;
+//# sourceMappingURL=expand.js.map