ggit/src/tracked-source-files.js

var log = require('debug')('ggit')
var la = require('lazy-ass')
var check = require('check-more-types')
var glob = require('glob')
var q = require('q')
var folder = require('chdir-promise')
var isTracked = require('./is-file-tracked')
var R = require('ramda')

la(check.fn(glob), 'missing glob')
la(check.fn(isTracked), 'missing is tracked')

function is3rdParty (filename) {
  return /node_modules/.test(filename) || /bower_components/.test(filename)
}

function isGitFile (filename) {
  return filename === '.git' || /^\.git\//.test(filename)
}

function findFiles (pattern, options) {
  pattern = pattern || '**/*.js'
  var allFiles = glob.sync(pattern, options)
  var appFiles = allFiles.filter(R.not(isGitFile)).filter(R.not(is3rdParty))
  log('found files\n' + appFiles.join('\n'))
  return q(appFiles)
}

function leaveTracked (filenames) {
  la(check.arrayOfStrings(filenames), 'expected list of filenames', filenames)
  return q
    .all(filenames.map(isTracked))
    .then(R.zipObj(filenames))
    .then(R.pickBy(R.eq(true)))
    .then(R.keys)
}

function sourceFiles (folderName, pattern, options) {
  if (folderName) {
    return folder
      .to(folderName)
      .then(findFiles.bind(null, pattern, options))
      .then(leaveTracked)
      .tap(folder.back)
  }
  return findFiles(pattern, options).then(leaveTracked)
}

module.exports = check.defend(
  sourceFiles,
  check.maybe.unemptyString,
  'expected folder name',
  check.maybe.unemptyString,
  'expected glob pattern',
  check.maybe.object,
  'expected glob options'
)

if (!module.parent) {
  sourceFiles('.', '**', { dot: true })
    .then(console.log.bind(console))
    .catch(console.error.bind(console))
}