@stnekroman/tstools/dist/caching/LoadingCache.js

Set of handy tools for TypeScript development

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LoadingCache = void 0;
const MemoryDictionary_1 = require("./MemoryDictionary");
class LoadingCache {
    constructor(mapImpl = new MemoryDictionary_1.MemoryDictionary()) {
        this.map = mapImpl;
    }
    uniqueKey(...args) {
        return args[0];
    }
    get(...args) {
        const cacheKey = this.uniqueKey(...args);
        if (this.map.has(cacheKey)) {
            return this.map.get(cacheKey);
        }
        const promise = this.load(...args);
        this.map.set(cacheKey, promise);
        return promise;
    }
    has(...args) {
        const cacheKey = this.uniqueKey(...args);
        return this.map.has(cacheKey);
    }
    put(...[data, ...args]) {
        const cacheKey = this.uniqueKey(...args);
        this.map.set(cacheKey, Promise.resolve(data));
    }
    clear() {
        this.map.clear();
    }
}
exports.LoadingCache = LoadingCache;