sloc

Create stats of your source code:

• physical lines
• lines of code (source)
• lines with comments
• lines with single-line comments
• lines with block comments
• lines mixed up with source and comments
• empty lines within block comments
• empty lines
• lines with TODO's

Supported outputs

In addition to the default terminal output (see examples below), sloc provides an alternative set of output formatters:

• CSV
• JSON
• Command line table

Install

To use sloc as an application install it globally:

sudo npm install -g sloc

If you're going to use it as a Node.js module within your project:

npm install --save sloc

Browser

You can also use sloc within your browser application.

Link sloc.js in your HTML file:

<script src="lib/sloc.js"></script>

Usage

CLI

sloc [option] <file>|<directory>

Options:

-h, --help                  output usage information
-V, --version               output the version number
-e, --exclude <regex>       regular expression to exclude files and folders
-i, --include <regex>       regular expression to include files and folders
-f, --format <format>       format output: json, csv, cli-table
    --format-option [value] add formatter option
-k, --keys <keys>           report only numbers of the given keys
-d, --details               report stats of each analyzed file
-a, --alias <custom ext>=<standard ext> alias custom ext to act like standard ext (eg. php5=php,less=css)

e.g.:

$ sloc src/

---------- Result ------------

            Physical :  1202
              Source :  751
             Comment :  322
 Single-line comment :  299
       Block comment :  23
               Mixed :  116
               Empty :  245

Number of files read :  10

------------------------------

or

$ sloc --details \
       --format cli-table \
       --keys total,source,comment \
       --exclude i18n*.\.coffee \
       --format-option no-head src/

┌─────────────────────────────────┬──────────┬────────┬─────────┐
│ src/cli.coffee                  │ 98       │ 74     │ 7       │
├─────────────────────────────────┼──────────┼────────┼─────────┤
│ src/helpers.coffee              │ 26       │ 20     │ 0       │
├─────────────────────────────────┼──────────┼────────┼─────────┤
│ src/sloc.coffee                 │ 196      │ 142    │ 20      │
├─────────────────────────────────┼──────────┼────────┼─────────┤
│ src/formatters/simple.coffee    │ 44       │ 28     │ 7       │
├─────────────────────────────────┼──────────┼────────┼─────────┤
│ src/formatters/csv.coffee       │ 25       │ 14     │ 5       │
├─────────────────────────────────┼──────────┼────────┼─────────┤
│ src/formatters/cli-table.coffee │ 22       │ 13     │ 0       │
└─────────────────────────────────┴──────────┴────────┴─────────┘

Node.js

Or use it in your own node module

var fs    = require('fs');
var sloc  = require('sloc');

fs.readFile("mySourceFile.coffee", "utf8", function(err, code){

  if(err){ console.error(err); }
  else{
    var stats = sloc(code,"coffee");
    for(i in sloc.keys){
      var k = sloc.keys[i];
      console.log(k + " : " + stats[k]);
    }
  }
});

Browser usage

var sourceCode = "foo();\n /* bar */\n baz();";

var stats = window.sloc(sourceCode,"javascript");

Contribute an new formatter

1. Fork this repo

2. add the new formatter into src/formatters/ that exports a method with three arguments:

   1. results (object)
   2. global options (object)
   3. formatter specific options (array)

3. add the formatter in src/cli.coffee

4. open a pull request

sloc adapters

• Grunt

  • grunt-sloc.
  • grunt-sloccount
  • grunt-maxlines
  • grunt-file-sloc

• Gulp

  • gulp-sloc:
  • gulp-sloc2

• Atom

  • atom-sloc
  • line-count

• Jenkins

  • sloc-for-jenkins
  • sloccount

• Istanbul

  • istanbul-reporter-clover-limits

• Codemetrics

  • codemetrics-process-sloc

Supported languages

• Assembly
• Agda
• Brightscript
• C / C++
• C#
• Clojure / ClojureScript
• CoffeeScript / IcedCoffeeScript
• Crystal
• CSS / SCSS / SASS / LESS / Stylus
• Dart
• Elixir
• Erlang
• F#
• Fortran
• Go
• Groovy
• Handlebars
• Haskell
• Haxe
• Hilbert
• HTML
• hy
• Jade
• Java
• JavaScript
• JSX
• Julia
• Kotlin
• LaTeX
• LilyPond
• LiveScript
• Lua
• MJS
• Mochi
• Monkey
• Mustache
• Nim
• Nix
• Objective-C / Objective-C++
• OCaml
• Perl 5
• PHP
• PRQL
• Pug
• Python
• R
• Racket
• Ren'Py
• Ruby
• Rust
• Scala
• Squirrel
• SVG
• Swift
• Typescript
• Visual Basic
• XML
• Yaml
• Zig

Run tests

npm test

Build

npm run prepublish

Changelog

see CHANGELOG.md

License

sloc is licensed under the MIT license