@beenotung/tslib/counted-cache.js

utils library in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CountedCache = void 0;
class CountedCache {
    caches = {};
    count = 0;
    get length() {
        return this.count;
    }
    // return Array<[key, {count: number, data: T}]>
    getAll() {
        return Object.keys(this.caches).map(key => [key, this.caches[key]]);
    }
    clear() {
        this.caches = {};
    }
    has(key) {
        return key in this.caches;
    }
    set(key, value) {
        const item = this.caches[key];
        if (item) {
            item.count++;
            item.data = value;
        }
        else {
            this.caches[key] = {
                count: 1,
                data: value,
            };
            this.count++;
        }
    }
    get(key) {
        const item = this.caches[key];
        if (item) {
            item.count++;
            return item.data;
        }
        return null;
    }
    remove(key) {
        if (key in this.caches) {
            delete this.caches[key];
            this.count--;
        }
    }
}
exports.CountedCache = CountedCache;