1 files changed, 40 insertions, 0 deletions

diff --git a/node_modules/rxjs/dist/esm5/internal/operators/sequenceEqual.js b/node_modules/rxjs/dist/esm5/internal/operators/sequenceEqual.js
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+++ b/node_modules/rxjs/dist/esm5/internal/operators/sequenceEqual.js
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+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { innerFrom } from '../observable/innerFrom';
+export function sequenceEqual(compareTo, comparator) {
+    if (comparator === void 0) { comparator = function (a, b) { return a === b; }; }
+    return operate(function (source, subscriber) {
+        var aState = createState();
+        var bState = createState();
+        var emit = function (isEqual) {
+            subscriber.next(isEqual);
+            subscriber.complete();
+        };
+        var createSubscriber = function (selfState, otherState) {
+            var sequenceEqualSubscriber = createOperatorSubscriber(subscriber, function (a) {
+                var buffer = otherState.buffer, complete = otherState.complete;
+                if (buffer.length === 0) {
+                    complete ? emit(false) : selfState.buffer.push(a);
+                }
+                else {
+                    !comparator(a, buffer.shift()) && emit(false);
+                }
+            }, function () {
+                selfState.complete = true;
+                var complete = otherState.complete, buffer = otherState.buffer;
+                complete && emit(buffer.length === 0);
+                sequenceEqualSubscriber === null || sequenceEqualSubscriber === void 0 ? void 0 : sequenceEqualSubscriber.unsubscribe();
+            });
+            return sequenceEqualSubscriber;
+        };
+        source.subscribe(createSubscriber(aState, bState));
+        innerFrom(compareTo).subscribe(createSubscriber(bState, aState));
+    });
+}
+function createState() {
+    return {
+        buffer: [],
+        complete: false,
+    };
+}
+//# sourceMappingURL=sequenceEqual.js.map
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