.

node_modules/rxjs/dist/esm5/internal/operators/windowCount.js

@@ -0,0 +1,53 @@
+import { __values } from "tslib";
+import { Subject } from '../Subject';
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+export function windowCount(windowSize, startWindowEvery) {
+    if (startWindowEvery === void 0) { startWindowEvery = 0; }
+    var startEvery = startWindowEvery > 0 ? startWindowEvery : windowSize;
+    return operate(function (source, subscriber) {
+        var windows = [new Subject()];
+        var starts = [];
+        var count = 0;
+        subscriber.next(windows[0].asObservable());
+        source.subscribe(createOperatorSubscriber(subscriber, function (value) {
+            var e_1, _a;
+            try {
+                for (var windows_1 = __values(windows), windows_1_1 = windows_1.next(); !windows_1_1.done; windows_1_1 = windows_1.next()) {
+                    var window_1 = windows_1_1.value;
+                    window_1.next(value);
+                }
+            }
+            catch (e_1_1) { e_1 = { error: e_1_1 }; }
+            finally {
+                try {
+                    if (windows_1_1 && !windows_1_1.done && (_a = windows_1.return)) _a.call(windows_1);
+                }
+                finally { if (e_1) throw e_1.error; }
+            }
+            var c = count - windowSize + 1;
+            if (c >= 0 && c % startEvery === 0) {
+                windows.shift().complete();
+            }
+            if (++count % startEvery === 0) {
+                var window_2 = new Subject();
+                windows.push(window_2);
+                subscriber.next(window_2.asObservable());
+            }
+        }, function () {
+            while (windows.length > 0) {
+                windows.shift().complete();
+            }
+            subscriber.complete();
+        }, function (err) {
+            while (windows.length > 0) {
+                windows.shift().error(err);
+            }
+            subscriber.error(err);
+        }, function () {
+            starts = null;
+            windows = null;
+        }));
+    });
+}
+//# sourceMappingURL=windowCount.js.map