README.md

flatter

flatter is a command-line tool for determining a source file's "indentedness", which provides a rough indication of how well factored the code is.

$ flatter src

flatter

#!/usr/bin/env coffee

fs = require 'fs'
{resolve} = require 'path'


identity = (x) -> x

analyze = (path) ->
  lines = fs.readFileSync(path, 'utf8').split(/\r\n|\r|\n/)
  significantLines = lines.filter identity
  indents = significantLines.map (line) -> /^[ \t]*/.exec(line)[0].length
  indents = indents.reduce (sum = 0, n) -> sum + n

  path: path
  lines: lines.length
  indents:
    total: indents
    average: indents / significantLines.length

log = (stats) ->
  console.log """

  #{stats.path}
    lines: #{stats.lines}
    average indent: #{stats.indents.average.toFixed 1}
  """

walk = (path) ->
  if fs.statSync(path).isDirectory()
    walk resolve path, p for p in fs.readdirSync path
  else
    log analyze path

walk resolve process.cwd(), p for p in process.argv[2..]