1.0.0 • Public • Published

JS Semistandard 4I Style

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One Semicolon for the Dark Lord on his dark throne

All the goodness of JS Standard Style with semicolons and 4 spaces indentation.


npm install semistandard-4i




Use this in one of your projects? Include one of these badges in your readme to let people know that your code is using this code style.




The easiest way to use this code style to check your code is to install it globally as a Node command line program. To do so, simply run the following command in your terminal (flag -g installs semistandard-4i globally on your system, omit it if you want to install in the current working directory):

npm install semistandard-4i -g

After you've done that you should be able to use the semistandard-4i program. The simplest use case would be checking the style of all JavaScript files in the current working directory:

$ semistandard-4i
Error: Use JS Semistandard 4I Style
  lib/torrent.js:950:11: Expected '===' and instead saw '=='.

What you might do if you're clever

  1. Add it to package.json
  "name": "my-cool-package",
  "devDependencies": {
    "semistandard-4i": "*"
  "scripts": {
    "test": "semistandard-4i && node file-with-this-style.js"
  1. Check style automatically when you run npm test
$ npm test
Error: Code style check failed:
  lib/torrent.js:950:11: Expected '===' and instead saw '=='.
  1. Never give style feedback on a pull request again! (unless it's about semicolons)

Custom Parser

To use a custom parser, install it from npm (example: npm install babel-eslint) and add this to your package.json:

  "semistandard-4i": {
    "parser": "babel-eslint"


Install Syntastic and add these lines to .vimrc:

let g:syntastic_javascript_checkers=['standard']
let g:syntastic_javascript_standard_exec = 'semistandard-4i'

For automatic formatting on save, add these two lines to .vimrc:

autocmd bufwritepost *.js silent !semistandard-4i % --fix
set autoread

Ignoring files

Just like in standard, the paths node_modules/**, *.min.js, bundle.js, coverage/**, hidden files/folders (beginning with .) and all patterns in a project's root .gitignore file are automatically excluded when looking for .js files to check.

Sometimes you need to ignore additional folders or specific minfied files. To do that, add a semistandard-4i.ignore property to package.json:

  "ignore": [

Make it look snazzy

If you want prettier output, just install the snazzy package and pipe semistandard-4i to it:

$ semistandard --verbose | snazzy

Future work

  • Add tests with files following this code style.

Useful links

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npm i semistandard-4i

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