25 lines
501 B
TypeScript
25 lines
501 B
TypeScript
/**
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* Limit Queue
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* The first element will be removed when the length exceeds the limit
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*/
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export class LimitQueue<T> extends Array<T> {
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__limit;
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__onExceed = null;
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constructor(limit: number) {
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super();
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this.__limit = limit;
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}
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push(value : T) {
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super.push(value);
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if (this.length > this.__limit) {
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const item = this.shift();
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if (this.__onExceed) {
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this.__onExceed(item);
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}
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}
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}
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}
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