Add production dependencies

node_modules/rxjs/_esm2015/internal/operators/expand.js

@@ -0,0 +1,88 @@
+import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
+export function expand(project, concurrent = Number.POSITIVE_INFINITY, scheduler) {
+    concurrent = (concurrent || 0) < 1 ? Number.POSITIVE_INFINITY : concurrent;
+    return (source) => source.lift(new ExpandOperator(project, concurrent, scheduler));
+}
+export class ExpandOperator {
+    constructor(project, concurrent, scheduler) {
+        this.project = project;
+        this.concurrent = concurrent;
+        this.scheduler = scheduler;
+    }
+    call(subscriber, source) {
+        return source.subscribe(new ExpandSubscriber(subscriber, this.project, this.concurrent, this.scheduler));
+    }
+}
+export class ExpandSubscriber extends SimpleOuterSubscriber {
+    constructor(destination, project, concurrent, scheduler) {
+        super(destination);
+        this.project = project;
+        this.concurrent = concurrent;
+        this.scheduler = scheduler;
+        this.index = 0;
+        this.active = 0;
+        this.hasCompleted = false;
+        if (concurrent < Number.POSITIVE_INFINITY) {
+            this.buffer = [];
+        }
+    }
+    static dispatch(arg) {
+        const { subscriber, result, value, index } = arg;
+        subscriber.subscribeToProjection(result, value, index);
+    }
+    _next(value) {
+        const destination = this.destination;
+        if (destination.closed) {
+            this._complete();
+            return;
+        }
+        const index = this.index++;
+        if (this.active < this.concurrent) {
+            destination.next(value);
+            try {
+                const { project } = this;
+                const result = project(value, index);
+                if (!this.scheduler) {
+                    this.subscribeToProjection(result, value, index);
+                }
+                else {
+                    const state = { subscriber: this, result, value, index };
+                    const destination = this.destination;
+                    destination.add(this.scheduler.schedule(ExpandSubscriber.dispatch, 0, state));
+                }
+            }
+            catch (e) {
+                destination.error(e);
+            }
+        }
+        else {
+            this.buffer.push(value);
+        }
+    }
+    subscribeToProjection(result, value, index) {
+        this.active++;
+        const destination = this.destination;
+        destination.add(innerSubscribe(result, new SimpleInnerSubscriber(this)));
+    }
+    _complete() {
+        this.hasCompleted = true;
+        if (this.hasCompleted && this.active === 0) {
+            this.destination.complete();
+        }
+        this.unsubscribe();
+    }
+    notifyNext(innerValue) {
+        this._next(innerValue);
+    }
+    notifyComplete() {
+        const buffer = this.buffer;
+        this.active--;
+        if (buffer && buffer.length > 0) {
+            this._next(buffer.shift());
+        }
+        if (this.hasCompleted && this.active === 0) {
+            this.destination.complete();
+        }
+    }
+}
+//# sourceMappingURL=expand.js.map