cache-debounce:使用哈希函数和可选的超时来缓存和去抖动同时进行的异步调用

缓存反跳 仅在请求同时到达时才启动“按需”缓存。 var cacheOnDemand = require ( 'cache-debounce' ) ; // Find all the things related to a URL. // Let's just say this is a slow operation. function getTheStuff ( url , callback ) { return myDatabase . find ( { url : url } ) . toArray ( callback ) ; } // Create a new function with on-demand caching. var cachedGetTheStuff = cacheOnDemand ( getTheStuff , function ( url ) {