level-time:LevelUP 操作时间记录器

概要 操作时间记录器 用法 var levelTime = require ( 'level-time' ) ; var time = levelTime ( db ) ; // Attach event handler to run on levelup operation start time . on ( 'start' , function ( op ) { console . log ( op ) ; /* { name: 'createReadStream', args: [], chunksCount: 0, firstChunkTime: Infinity, totalTime: Infinity, start: Fri Nov 14 2014 16:46:33 GMT+0200 (EET),