initial commit: scaffolding

1 files changed, 39 insertions, 0 deletions

diff --git a/node_modules/rxjs/dist/esm/internal/operators/sequenceEqual.js b/node_modules/rxjs/dist/esm/internal/operators/sequenceEqual.js
new file mode 100644
index 0000000..9b9f177
--- /dev/null
+++ b/node_modules/rxjs/dist/esm/internal/operators/sequenceEqual.js
@@ -0,0 +1,39 @@
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { innerFrom } from '../observable/innerFrom';
+export function sequenceEqual(compareTo, comparator = (a, b) => a === b) {
+    return operate((source, subscriber) => {
+        const aState = createState();
+        const bState = createState();
+        const emit = (isEqual) => {
+            subscriber.next(isEqual);
+            subscriber.complete();
+        };
+        const createSubscriber = (selfState, otherState) => {
+            const sequenceEqualSubscriber = createOperatorSubscriber(subscriber, (a) => {
+                const { buffer, complete } = otherState;
+                if (buffer.length === 0) {
+                    complete ? emit(false) : selfState.buffer.push(a);
+                }
+                else {
+                    !comparator(a, buffer.shift()) && emit(false);
+                }
+            }, () => {
+                selfState.complete = true;
+                const { complete, buffer } = otherState;
+                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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