update

node_modules/rxjs/_esm2015/scheduler/AsyncScheduler.js

@@ -0,0 +1,42 @@
+import { Scheduler } from '../Scheduler';
+export class AsyncScheduler extends Scheduler {
+    constructor() {
+        super(...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;
+    }
+    flush(action) {
+        const { actions } = this;
+        if (this.active) {
+            actions.push(action);
+            return;
+        }
+        let 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;
+        }
+    }
+}
+//# sourceMappingURL=AsyncScheduler.js.map