ggit/src/parse-file-status.js

Local promise-returning git command wrappers

var la = require('lazy-ass')
var check = require('check-more-types')
var log = require('debug')('ggit')
var _ = require('lodash')
var R = require('ramda')

function parseLine (line) {
  var parts = line.trim().split(/\s+/)
  var diff = parts[0]
  if (diff === 'AM') {
    diff = 'A'
  }
  return {
    diff: diff,
    name: parts[1]
  }
}

function parseOutput (data) {
  data = data.trim()

  var lines = data.split('\n')
  var modifications = lines
    .filter(function (filename) {
      return filename.length
    })
    .map(parseLine)

  return modifications
}

function ensureUniq (list) {
  la(check.array(list), 'expected list', list)
  return _.uniqBy(list, 'name')
}

function groupByModification (parsedLines) {
  return _.groupBy(parsedLines, 'diff')
}

function logFoundFiles (files) {
  log('found changed files')
  log(files)
}

function logGroupedFiles (grouped) {
  log('grouped by modification')
  log(grouped)
}

var stdoutToGrouped = R.pipe(
  parseOutput,
  ensureUniq,
  R.tap(logFoundFiles),
  groupByModification,
  R.tap(logGroupedFiles)
)

module.exports = stdoutToGrouped