Note

Installation

for koa v0.x & v1.x

$ npm i --save koa-log4@1

for koa v2.x

$ npm i --save koa-log4@2

$ npm i --save koa-log4

Usage

Normal log4js way

constlog4js=require('koa-log4')constlog=log4js.getLogger('index')log.info('index do some awesome things')

Koa-middleware way

constlog4js=require('koa-log4')app.use(log4js.koaLogger(log4js.getLogger("http"),{level:'auto'}))

constlog4js=require("koa-log4")app.use(log4js.koaLogger(// the logger to log tolog4js.getLogger("http"),// the options object{// select the level all access logs will be set to, or use "auto" to choose depending on the status code (see next option)level:"auto",// if `level` is set to "auto" the default rule will map 200-299 to INFO, 300-399 to WARN and 400-599 to ERROR.// you can override this behavior by setting your own custom levelMapper.// (the example is the default implementation, do not copy unless you want to modify it)levelMapper:function(statusCode){if(statusCode>=400)returnlevels.ERRORif(statusCode>=300)returnlevels.WARNreturnlevels.INFO}}))

Full Example

Others