update

node_modules/rxjs/_esm5/scheduler/AsyncScheduler.js

@@ -0,0 +1,52 @@
+/** PURE_IMPORTS_START .._Scheduler 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 { Scheduler } from '../Scheduler';
+export var AsyncScheduler = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
+    __extends(AsyncScheduler, _super);
+    function AsyncScheduler() {
+        _super.apply(this, arguments);
+        this.actions = [];
+        /**
+         * A flag to indicate whether the Scheduler is currently executing a batch of
+         * queued actions.
+         * @type {boolean}
+         */
+        this.active = false;
+        /**
+         * An internal ID used to track the latest asynchronous task such as those
+         * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and
+         * others.
+         * @type {any}
+         */
+        this.scheduled = undefined;
+    }
+    AsyncScheduler.prototype.flush = function (action) {
+        var actions = this.actions;
+        if (this.active) {
+            actions.push(action);
+            return;
+        }
+        var error;
+        this.active = true;
+        do {
+            if (error = action.execute(action.state, action.delay)) {
+                break;
+            }
+        } while (action = actions.shift()); // exhaust the scheduler queue
+        this.active = false;
+        if (error) {
+            while (action = actions.shift()) {
+                action.unsubscribe();
+            }
+            throw error;
+        }
+    };
+    return AsyncScheduler;
+}(Scheduler));
+//# sourceMappingURL=AsyncScheduler.js.map