71 lines
1.4 KiB
TypeScript
71 lines
1.4 KiB
TypeScript
import * as plugins from './classes.plugins.js';
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export class LimitedArray<T> {
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array: T[] = [];
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arrayLimit: number;
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constructor(limitArg: number) {
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this.arrayLimit = limitArg;
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}
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public get length(): number {
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return this.array.length;
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}
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addOne(objectArg: T) {
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this.array.unshift(objectArg);
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if (this.array.length > this.arrayLimit) {
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this.array.length = this.arrayLimit;
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}
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}
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addMany(objectArrayArg: T[]) {
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for (let objectArg of objectArrayArg) {
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this.addOne(objectArg);
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}
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}
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setLimit(limitArg: number) {
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this.arrayLimit = limitArg;
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if (this.array.length > this.arrayLimit) {
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this.array.length = this.arrayLimit;
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}
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}
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getAverage(): number {
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if (this.array.length === 0) {
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return 0;
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}
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if (typeof this.array[0] === 'number') {
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let sum = 0;
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for (let localNumber of this.array) {
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let localNumberAny: any = localNumber;
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sum = sum + localNumberAny;
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}
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return sum / this.array.length;
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} else {
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return null;
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}
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}
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remove(item: T): boolean {
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const idx = this.array.indexOf(item);
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if (idx !== -1) {
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this.array.splice(idx, 1);
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return true;
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}
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return false;
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}
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clear(): void {
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this.array.length = 0;
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}
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getArray(): T[] {
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return [...this.array];
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}
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public [Symbol.iterator](): Iterator<T> {
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return this.array[Symbol.iterator]();
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}
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}
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