koa-external-logger
Logging middleware for koa that exposes the log
Last updated 25 days ago by sedenardi .
MIT · Repository · Bugs · Original npm · Tarball
$ cnpm install koa-external-logger 
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koa-external-logger

Fork of koa-logger that exposes the logging information for storage and/or processing.

Notice: koa-external-logger@2 supports koa@2; if you want to use this module with koa@1, please use koa-external-logger@1.

<-- GET /
--> GET / 200 835ms 746b
<-- GET /
--> GET / 200 960ms 1.9kb
<-- GET /users
--> GET /users 200 357ms 922b
<-- GET /users?page=2
--> GET /users?page=2 200 466ms 4.66kb

Installation

$ npm install koa-external-logger

Example

const logger = require('koa-external-logger')
const Koa = require('koa')

const app = new Koa()
app.use(logger({
  externalLogger: async function(logObj) {
    //perform some action or await to another promise
  },
  consoleEnabled: process.env.NODE_ENV !== 'production'
}))

Options

  • externalLogger - optional - Async function/promise that takes a logging object as a parameter.
  • consoleEnabled - optional, default: true - If set to false, nothing will be sent to console.log.
  • truncateUrlQuery - optional, default: false - If set, the query portion of the URL sent to console.log will be truncated to the first 20 characters (to not pollute the console).

Log Object

  • time - Unix time in ms of the start of the request.
  • originalUrl - Requested URL.
  • status - HTTP status code.
  • duration - Duration of request in ms.
  • length - Length of response in bytes. This will be 0 if it's an error.
  • context - koa context object reference.
  • error - Error object.

Notes

Recommended that you .use() this middleware near the top to "wrap" all subsequent middleware.

License

MIT

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