@praha/envelop-request-cache/dist/esm/index.js

This plugin caches arbitrary values within the request scope to optimize execution flow

import { AsyncLocalStorage } from "node:async_hooks";
const createRequestCachePlugin = (options = {})=>{
    const storage = options.storage ?? new AsyncLocalStorage();
    return {
        cache: (callback, keys)=>(...args)=>{
                const store = storage.getStore();
                if (!store) throw new Error('Request cache is not available. Make sure to use the "useRequestCache" plugin during execution.');
                const key = `${callback.toString()}-${JSON.stringify(args)}${keys ? `-[${keys.join(',')}]` : ''}`;
                const cached = store[key];
                if (cached) return cached;
                const result = callback(...args);
                store[key] = result;
                return result;
            },
        evict: ()=>{
            const store = storage.getStore();
            if (!store) throw new Error('Request cache is not available. Make sure to use the "useRequestCache" plugin during execution.');
            Object.keys(store).forEach((key)=>{
                delete store[key];
            });
        },
        useRequestCache: ()=>({
                onExecute: ({ executeFn, setExecuteFn })=>{
                    setExecuteFn(async (arguments_)=>storage.run({}, async ()=>await executeFn(arguments_)));
                }
            })
    };
};
const { cache, evict, useRequestCache } = createRequestCachePlugin();
export { cache, createRequestCachePlugin, evict, useRequestCache };