Swizz / identity-log

A 400 bytes console.{log,info,warn,error,...} that return its last argument

Identity-log

A 400 bytes console.{log,info,warn,...} that return its last argument

Table of Contents

Table of Contents

• Getting started
• Usage
• Misc

Getting started

• 1. To use identity-log you need to download it thanks to your favorite JavaScript Package Manager.

  yarn add identity-log

  npm install --save identity-log

• 2. Then you are free to import all the exported logging functions.

  import { error, log, warn } from 'identity-log'

• 3. You can use them directly by surrounding the returned value without worrying.

  const add = (a, b) => log(a + b)
  
  add(1, 2) // => 3

Usage

Identity-log aim to be less impacting as possible on the function, less bytes and better perf ; and handle all the console api.

• assert
• dir
• error
• info
• log
• trace
• warn

tap

Identity-log also provide a tap function that allow you to create your own transformation from a function that return void to a function that return its last argument.

The tap function can be used for function composition too.

tap(console.log, 1, 2, 3) // => 3


const log = tap(console.log)
log(1, 2, 3) // => 3

Misc

• Identity-log follows the Compatible Versioning: major.minor only convention.
• Release notes are Keep a Changelog compliants.