onions-node/lib/init_logger.js

onions-node backend

const {logger} = require('@razor-node/core')
const path = require('path')
const fs = require('fs')

module.exports = (app, loggerOptions) => {

  const logPath = loggerOptions.logDir
  const pathArray = logPath.split('/')

  if (!path.isAbsolute(logPath)) {
    throw new Error('logPath need by a absolute path!')
  }

  const mkdir = (p) => {
    if (!fs.existsSync(p)) {
      fs.mkdirSync(p)
    }
  }

  const recursiveMkLogPath = (parent = '', index = 0) => {
    const current = pathArray[index]
    const p = path.join(parent, current)
    if (current) {
      mkdir(p)
    }
    if (index >= pathArray.length - 1) {
      return
    }
    recursiveMkLogPath(p, index+1)
  }

  recursiveMkLogPath()

  const clsLogger = logger.getClsLoggerInstance(loggerOptions)

  app.use(logger.clsLoggerMiddleware(loggerOptions))

  global.logger = clsLogger

  return clsLogger
}