Rakefile

# Rakefile for VexFlow
# Copyright 2013 Mohit Cheppudira <mohit@muthanna.com>

require 'bundler/setup'
require 'fileutils'
require 'rake/testtask'
require 'time'
require 'erb'
require 'uglifier'

DIR = File.dirname(__FILE__)
TARGET_DIR = "build/vexflow"
TARGET = "#{TARGET_DIR}/vexflow-min.js"
TARGET_RAW = "#{TARGET_DIR}/vexflow-debug.js"

BUILD_VERSION = "1.2 Custom"
BUILD_PREFIX = "0xFE"
BUILD_DATE = Time.now()
BUILD_COMMIT = `git rev-list --max-count=1 HEAD`.chomp

JSHINT = "./node_modules/jshint/bin/jshint"
DOCCO = "./node_modules/.bin/docco"

directory TARGET_DIR
directory 'build/tests'
directory 'build/tests/support'

# Ordered list of Vexflow source files. If you have dependencies
# between files, order them here.
base_sources = [
  "src/vex.js",
  "src/flow.js",
  "src/fraction.js",
  "src/tables.js",
  "src/fonts/vexflow_font.js",
  "src/glyph.js",
  "src/stave.js",
  "src/staveconnector.js",
  "src/tabstave.js",
  "src/tickcontext.js",
  "src/tickable.js",
  "src/note.js",
  "src/notehead.js",
  "src/stem.js",
  "src/stemmablenote.js",
  "src/stavenote.js",
  "src/tabnote.js",
  "src/ghostnote.js",
  "src/clefnote.js",
  "src/timesignote.js",
  "src/beam.js",
  "src/voice.js",
  "src/voicegroup.js",
  "src/modifier.js",
  "src/modifiercontext.js",
  "src/accidental.js",
  "src/dot.js",
  "src/formatter.js",
  "src/stavetie.js",
  "src/tabtie.js",
  "src/tabslide.js",
  "src/bend.js",
  "src/vibrato.js",
  "src/annotation.js",
  "src/articulation.js",
  "src/tuning.js",
  "src/stavemodifier.js",
  "src/keysignature.js",
  "src/timesignature.js",
  "src/clef.js",
  "src/music.js",
  "src/keymanager.js",
  "src/renderer.js",
  "src/raphaelcontext.js",
  "src/canvascontext.js",
  "src/stavebarline.js",
  "src/stavehairpin.js",
  "src/stavevolta.js",
  "src/staverepetition.js",
  "src/stavesection.js",
  "src/stavetempo.js",
  "src/stavetext.js",
  "src/barnote.js",
  "src/tremolo.js",
  "src/tuplet.js",
  "src/boundingbox.js",
  "src/textnote.js",
  "src/frethandfinger.js",
  "src/stringnumber.js",
  "src/strokes.js",
  "src/curve.js",
  "src/staveline.js",
  "src/crescendo.js",

  # MusicXML files
  "src/measure.js",
  "src/musicxml.js",
  "src/document.js",
  "src/documentformatter.js"
]

# Don't minify these files.
reject = [
  "src/header.js",
  "src/container.js"
]

# Catch other missing JS files
js_files = Dir.glob('src/*.js')
js_files.reject! {|file| base_sources.include?(file)}
js_files.reject! {|file| reject.include?(file)}
vexflow_sources = base_sources + js_files

# Creates a rake task named "name" to copy files
# from "path_glob" to "dest_dir"
def copy_path(path_glob, dest_dir, name)
  FileList[path_glob].each do |source|
    target = "#{dest_dir}/#{File.basename(source)}"
    file target => [source, dest_dir] do
      if not File.directory? source
        cp source, target, :verbose => true
      end
    end

    desc "Copy data in: #{path_glob}"
    task name => target
  end
end

# Rake task to compile and minify VexFlow.
file TARGET => vexflow_sources  do
  # Fill fields in header
  header = ERB.new(File.read("src/header.js")).result(binding)
  raw_file = File.open(TARGET_RAW, "w")
  min_file = File.open(TARGET, "w")

  raw_file.write header
  min_file.write header

  vexflow_sources.each do |file|
    puts "Minifying: " + file
    contents = File.read(file)
    min = Uglifier.new(
      {:output =>
        {:comments => :none}
      }).compile(contents)
    raw_file.write(contents)
    min_file.write(min)
  end

  raw_file.close()
  min_file.close()
  puts "Generated: " + TARGET
  puts "Unminified: " + TARGET_RAW
end

copy_path("tests/*", "build/tests", :build_copy)
copy_path("tests/support/*", "build/tests/support", :build_copy)

task :clean do
  sh 'rm -rf build'
end

task :lint do
  # Requires JSHint to be installed
  puts "Checking VexFlow sources for lint errors..."
  system "#{JSHINT} --show-non-errors --config jshintrc src/*.js"
end

task :docs do
  # Requires JSHint to be installed
  puts "Generating documentation..."
  system "#{DOCCO} -l linear src/*.js"
end

task :make => [:build_copy, TARGET_DIR, TARGET]

task :default => [:make]