defer-until:将函数调用推迟到以后的实用程序

推迟到 推迟方法调用的实用程序 安装 从npm安装软件包 npm install defer-until --save 并在您的项目中需要该模块 var defer = require ( 'defer-until' ) ; 对于急躁的人 // lets imagine 'socket.send' throws if used before it's ready var defer = require ( 'defer-until' ) ; // Waiting for a signal to be emitted defer ( socket , 'send' ) . until ( socket ) . emits ( 'ready' ) ; socket . send ( 'Hello' ) ; // deferred until 'ready' is emitted // Tes