-export const DEFAULT_CIRCULAR_ARRAY_SIZE = 2000;
+// Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
-/** Array with a maximum length shifting items when full. */
+const DEFAULT_CIRCULAR_ARRAY_SIZE = 1024;
+
+/**
+ * Array with a maximum length and shifting items when full.
+ */
export class CircularArray<T> extends Array<T> {
public size: number;
}
public concat(...items: (T | ConcatArray<T>)[]): CircularArray<T> {
- const concatenatedCircularArray = super.concat(
- items as T[]
- ) as CircularArray<T>;
+ const concatenatedCircularArray = super.concat(items as T[]) as CircularArray<T>;
concatenatedCircularArray.size = this.size;
if (concatenatedCircularArray.length > concatenatedCircularArray.size) {
concatenatedCircularArray.splice(
0,
- concatenatedCircularArray.length - concatenatedCircularArray.size
+ concatenatedCircularArray.length - concatenatedCircularArray.size,
);
}
return concatenatedCircularArray;
public splice(start: number, deleteCount?: number, ...items: T[]): T[] {
let itemsRemoved: T[];
- if (arguments.length >= 3 && typeof deleteCount !== 'undefined') {
+ if (arguments.length >= 3 && deleteCount !== undefined) {
itemsRemoved = super.splice(start, deleteCount);
// FIXME: that makes the items insert not in place
this.push(...items);
return this.length === this.size;
}
- private checkSize(size: number) {
+ private checkSize(size: number): void {
+ if (!Number.isSafeInteger(size)) {
+ throw new TypeError(`Invalid circular array size: ${size} is not a safe integer`);
+ }
if (size < 0) {
- throw new RangeError('Invalid circular array size');
+ throw new RangeError(`Invalid circular array size: ${size} < 0`);
}
}
}