@bigmi/core/dist/cjs/utils/lru.js

TypeScript library for Bitcoin apps.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LruMap = void 0;
class LruMap extends Map {
    constructor(size) {
        super();
        this.maxSize = size;
    }
    get(key) {
        const value = super.get(key);
        if (super.has(key) && value !== undefined) {
            this.delete(key);
            super.set(key, value);
        }
        return value;
    }
    set(key, value) {
        super.set(key, value);
        if (this.maxSize && this.size > this.maxSize) {
            const firstKey = this.keys().next().value;
            if (firstKey) {
                this.delete(firstKey);
            }
        }
        return this;
    }
}
exports.LruMap = LruMap;
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