Every new change

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

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+import { Subscriber } from '../Subscriber';
+import { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';
+export function skipLast(count) {
+    return (source) => source.lift(new SkipLastOperator(count));
+}
+class SkipLastOperator {
+    constructor(_skipCount) {
+        this._skipCount = _skipCount;
+        if (this._skipCount < 0) {
+            throw new ArgumentOutOfRangeError;
+        }
+    }
+    call(subscriber, source) {
+        if (this._skipCount === 0) {
+            return source.subscribe(new Subscriber(subscriber));
+        }
+        else {
+            return source.subscribe(new SkipLastSubscriber(subscriber, this._skipCount));
+        }
+    }
+}
+class SkipLastSubscriber extends Subscriber {
+    constructor(destination, _skipCount) {
+        super(destination);
+        this._skipCount = _skipCount;
+        this._count = 0;
+        this._ring = new Array(_skipCount);
+    }
+    _next(value) {
+        const skipCount = this._skipCount;
+        const count = this._count++;
+        if (count < skipCount) {
+            this._ring[count] = value;
+        }
+        else {
+            const currentIndex = count % skipCount;
+            const ring = this._ring;
+            const oldValue = ring[currentIndex];
+            ring[currentIndex] = value;
+            this.destination.next(oldValue);
+        }
+    }
+}
+//# sourceMappingURL=skipLast.js.map