# settings

FILE_ENCODING = 'utf-8'

EOL = '\n'

fs = require 'fs'

coffee = require 'coffee-script'

async = require 'async'

glob = require 'glob'

path = require 'path'

module.exports = utils = {}

utils.compile = (pattern, dest, callback) ->

glob pattern, {nosort: true}, (err, matches) ->

return callback err if err

async.map matches, (filePath, cb) ->

fs.readFile filePath, FILE_ENCODING, cb

, (err, fileContents) ->

return callback err if err

coffeeSource = fileContents.join(EOL)

try

jsSource = coffee.compile coffeeSource, {bare: yes}

catch err

useColors = process.stdout.isTTY and !process.env.NODE_DISABLE_COLORS;

message = coffee.helpers.prettyErrorMessage err, '[COMBINED]', coffeeSource, useColors

return callback new SyntaxError(message)

fs.writeFile dest, jsSource, FILE_ENCODING, (err) ->

return callback err if err

console.log "Concat #{matches.join(', ')} -> #{dest}"

callback()

utils.globCopy = (pattern, destDir, callback) ->

glob pattern, (err, matches) ->

return callback err if err

async.each matches, (filePath, cb) ->

name = path.basename filePath

utils.copyFile filePath, path.join(destDir, name), cb

, callback

utils.copyFile = (src, dest, callback) ->

try

fs.createReadStream(src).on('end', ->

console.log "Copied #{src} -> #{dest}"

callback()

).on('error', (err) ->

callback(err)

).pipe(fs.createWriteStream(dest))

catch err

callback(err)

utils.globRm = (pattern, callback) ->

glob pattern, (err, matches) ->

return callback err if err

async.each matches, (filePath, cb) ->

fs.unlink filePath, (err) ->

return cb err if err

console.log "Removed #{filePath}"

cb()

, callback

# eventally switch to this: https://npmjs.org/package/mkdirp

utils.mkdirRecursive = (dir, mode, callback) ->

dir = path.normalize(dir)

if typeof mode is 'function'

callback = mode

mode = null

mode = 0o777 unless mode

mkdirRecursiveHelper dir, mode, (err) ->

return callback err if err

console.log "Created #{dir}"

callback()

mkdirRecursiveHelper = (dir, mode, callback) ->

fs.mkdir dir, mode, (err) ->

if err

if err.code is "ENOENT"

parentDir = path.dirname dir

mkdirRecursiveHelper parentDir, mode, (err) ->

return callback err if err

mkdirRecursiveHelper dir, mode, callback

else if err.code is "EEXIST"

callback()

else

callback err

else

callback()