titbit-toolkit/extends/mixlogger.js

titbit框架的工具集，包括跨域、静态资源处理，权限过滤，请求计时，cookie，session，jwt等大量中间件

'use strict'

const cluster = require('node:cluster')

class MixLogger {

  constructor(options = {}) {
    this.logHandle = (w, msg, handle) => {
      return true
    }

    this.quiet = true

    for (let k in options) {
      switch(k) {
        case 'logHandle':
          if (typeof options[k] === 'function') {
            this.logHandle = options[k]
          }
          break

        case 'quiet':
          this.quiet = !!options[k]
          break
      }
    }

  }

  init(app) {
    if (cluster.isWorker) {
      return
    }

    //版本兼容
    let mse = app.daeMsgEvent ? app.daeMsgEvent : app.msgEvent

    if (mse['_log'] === undefined) {
      if (!this.quiet) {
        return console.error(`Warning: mixlogger must be running in daemon mode`)
      }
      return
    }

    let self = this

    let org_log = mse['_log'].callback

    let log_handle = (w, msg, handle) => {
      if (false === self.logHandle(w, msg, handle) ) {
        return
      }

      org_log(w, msg, handle)
    }

    app.setMsgEvent('_log', log_handle)
  }

}

module.exports = MixLogger