ts-ioc-container/cjm/utils/shallowCache.js

Fast, lightweight TypeScript dependency injection container with a clean API, scoped lifecycles, decorators, tokens, hooks, lazy injection, customizable providers, and no global container objects.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.shallowCache = void 0;
const shallowCache = (getKeyByArgs) => (target, propertyKey, descriptor) => {
    const originalMethod = descriptor.value;
    const cacheMap = new WeakMap();
    descriptor.value = function (...args) {
        let cache = cacheMap.get(this);
        if (cache === undefined) {
            cache = new Map();
            cacheMap.set(this, cache);
        }
        const key = getKeyByArgs(...args);
        if (cache.has(key)) {
            return cache.get(key);
        }
        const result = originalMethod.apply(this, args);
        cache.set(key, result);
        return result;
    };
    return descriptor;
};
exports.shallowCache = shallowCache;