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

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+import { __values } from "tslib";
+import { Subscription } from '../Subscription';
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { arrRemove } from '../util/arrRemove';
+import { asyncScheduler } from '../scheduler/async';
+import { popScheduler } from '../util/args';
+import { executeSchedule } from '../util/executeSchedule';
+export function bufferTime(bufferTimeSpan) {
+    var _a, _b;
+    var otherArgs = [];
+    for (var _i = 1; _i < arguments.length; _i++) {
+        otherArgs[_i - 1] = arguments[_i];
+    }
+    var scheduler = (_a = popScheduler(otherArgs)) !== null && _a !== void 0 ? _a : asyncScheduler;
+    var bufferCreationInterval = (_b = otherArgs[0]) !== null && _b !== void 0 ? _b : null;
+    var maxBufferSize = otherArgs[1] || Infinity;
+    return operate(function (source, subscriber) {
+        var bufferRecords = [];
+        var restartOnEmit = false;
+        var emit = function (record) {
+            var buffer = record.buffer, subs = record.subs;
+            subs.unsubscribe();
+            arrRemove(bufferRecords, record);
+            subscriber.next(buffer);
+            restartOnEmit && startBuffer();
+        };
+        var startBuffer = function () {
+            if (bufferRecords) {
+                var subs = new Subscription();
+                subscriber.add(subs);
+                var buffer = [];
+                var record_1 = {
+                    buffer: buffer,
+                    subs: subs,
+                };
+                bufferRecords.push(record_1);
+                executeSchedule(subs, scheduler, function () { return emit(record_1); }, bufferTimeSpan);
+            }
+        };
+        if (bufferCreationInterval !== null && bufferCreationInterval >= 0) {
+            executeSchedule(subscriber, scheduler, startBuffer, bufferCreationInterval, true);
+        }
+        else {
+            restartOnEmit = true;
+        }
+        startBuffer();
+        var bufferTimeSubscriber = createOperatorSubscriber(subscriber, function (value) {
+            var e_1, _a;
+            var recordsCopy = bufferRecords.slice();
+            try {
+                for (var recordsCopy_1 = __values(recordsCopy), recordsCopy_1_1 = recordsCopy_1.next(); !recordsCopy_1_1.done; recordsCopy_1_1 = recordsCopy_1.next()) {
+                    var record = recordsCopy_1_1.value;
+                    var buffer = record.buffer;
+                    buffer.push(value);
+                    maxBufferSize <= buffer.length && emit(record);
+                }
+            }
+            catch (e_1_1) { e_1 = { error: e_1_1 }; }
+            finally {
+                try {
+                    if (recordsCopy_1_1 && !recordsCopy_1_1.done && (_a = recordsCopy_1.return)) _a.call(recordsCopy_1);
+                }
+                finally { if (e_1) throw e_1.error; }
+            }
+        }, function () {
+            while (bufferRecords === null || bufferRecords === void 0 ? void 0 : bufferRecords.length) {
+                subscriber.next(bufferRecords.shift().buffer);
+            }
+            bufferTimeSubscriber === null || bufferTimeSubscriber === void 0 ? void 0 : bufferTimeSubscriber.unsubscribe();
+            subscriber.complete();
+            subscriber.unsubscribe();
+        }, undefined, function () { return (bufferRecords = null); });
+        source.subscribe(bufferTimeSubscriber);
+    });
+}
+//# sourceMappingURL=bufferTime.js.map