Nakefile

/**
 * The 'nake' util taks
 *
 * Copyright (C) 2011 Nikolay Nemshilov
 */

var // the build constants
BUILD_DIRECTORY = 'build',
BUILD_PREFIX    = 'right',
BUILD_EXCLUDE   = [];      // the don't build list

var // importing the Nake tools
on_npm          = process.argv[1].match(/nake$/),
Nake            = require(on_npm ? 'nake' : './util/nake'),
task            = Nake.task,
namespace       = Nake.namespace;

Nake.Default    = 'build'; // making the build by default


var // sources processing tools
Source          = require('./util/source').Source,
builds          = {}; // global build reference


////////////////////////////////////////////////////////////////
// Parsing the options
////////////////////////////////////////////////////////////////
var fs      = require('fs');
var options = Nake.ARGS.OPTIONS ? Nake.ARGS.OPTIONS.split(',') : [];
var widgets = fs.readdirSync('dist').filter(function(filename) {
  return filename.match(/^[a-z_]+$/) && options.empty() ?
    !BUILD_EXCLUDE.includes(filename) :
    options.include(filename);
});


////////////////////////////////////////////////////////////////
// Cleaning up the build directory
////////////////////////////////////////////////////////////////
task('clean', 'Clean up the build directory', function() {
  try {
    this.step("Deleting an old directory");

    fs.readdirSync(BUILD_DIRECTORY).each(function(file) {
      fs.unlinkSync(BUILD_DIRECTORY + '/' + file);
    });
    fs.rmdirSync(BUILD_DIRECTORY);
  } catch(e) {}

  this.step("Creating the build directory");
  fs.mkdirSync(BUILD_DIRECTORY, 0755);
});


////////////////////////////////////////////////////////////////
// Paking the widgets into single source files
////////////////////////////////////////////////////////////////
task('pack', 'Pack up the source code', function() {
  Nake.run('clean', 'Cleaning up the build directory');

  this.step('Packing up the widgets');
  widgets.each(function(name) {
    this.step('\b\b  - '+ name.capitalize());

    var init   = fs.readFileSync('src/'+ name + '/__init__.js')+'';
    var files  = ['lib/widget.js'];
    var styles = [];

    // hooking up the shared files
    init.replace(/include_shared_js\(([^\)]+)\)(;*)/mg, function(m, content) {
      content.replace(/('|")([\w\d\_\-\/]+)\1/g, function(m, q, filename) {
        files.push("lib/"+ filename + ".js");
      });
    });

    // parsing out the widget's own files
    files.push('src/' + name + '/__init__.js');
    init.replace(/include_module_files\(([^\)]+)\)(;*)/mg, function(m, content) {
      content.replace(/('|")([\w\d\_\-\/]+)\1/g, function(m, q, filename) {
        files.push("src/"+ name + "/"+ filename + ".js");
      });
    });

    // parsing out the shared css-files list
    init.replace(/include_shared_css\(([^\)]+)\)(;*)/mg, function(m, content) {
      content.replace(/('|")([\w\d\_\-\/]+)\1/g, function(m, q, filename) {
        styles.push('lib/css/' + filename + ".css");
      });
    });

    // adding the widget's own styles
    styles.push('src/'+ name + '/'+ name + '.css');

    var source = new Source({
      files:  files,
      styles: styles,
      header: 'dist/'+ name +'/header.js',
      layout: 'dist/'+ name +'/layout.js'
    });

    source.patch(function(source) {
      return source
        .replace(/include_shared_js\(([^\)]+)\)(;*)/mg,  '')
        .replace(/include_shared_css\(([^\)]+)\)(;*)/mg, '')
        .replace(/include_module_files\([^\)]+\)(;*)/mg, '');
    });

    source.write(BUILD_DIRECTORY + '/' + BUILD_PREFIX + "-" + name.replace('_', '-'));

    builds[name] = source;
  }, this);
});


////////////////////////////////////////////////////////////////
// Checking the widgets with JSLint
////////////////////////////////////////////////////////////////
task('check', 'Check the source builds with JSLint', function() {
  Nake.run('pack', 'Packing the widget source files');

  this.step('Running JSLint on widgets')
  for (var name in builds) {
    var linter = builds[name].linter('dist/'+ name + '/lint.js');
    linter.run();

    if (linter.failed) {
      linter.report();
      break;
    } else {
      while (name.length < 32) name += ' ';
      this.step('\b\b  - '+ name.capitalize() + '\u001B[32mOK\u001B[0m');
    }
  }
});

////////////////////////////////////////////////////////////////
// Minifying the widgets
////////////////////////////////////////////////////////////////
task('build', 'Pack and minify the widgets', function() {
  Nake.run('pack', 'Packing the widget source files');

  this.step('Minifying the source files');
  for (var name in builds) {
    this.step('\b\b  - '+ name.capitalize());
    builds[name].compress();
  }
});


// manual kick-in in case the thing was called without 'nake'
if (!on_npm) {
  Nake.start();
}