gradient/Jakefile.js

A class for generating gradients.

/*
  Turns CommonJS package into a browser file and minifies.

  uses node-jake http://github.com/mde/node-jake
  install jake with `npm install jake -g`

  run with `jake [build|minify|clean]`
*/

var fs = require('fs'),
    path = require('path'),
    browserify = require('browserify');

var pkg = JSON.parse(fs.readFileSync('package.json'));
var prefix = pkg.name;

task('build', [], function (dest) {
  console.log('building...');
  dest = dest || prefix + '.js';

  var source = browserify.bundle({
    require: [path.join(__dirname, 'lib', pkg.main)],
  });
  source = '/* MIT license */\nvar Color = (function() {' + source + ' return require("/color")})();'
  fs.writeFileSync(dest, source);
  console.log('> ' + dest);
});

task('minify', [], function (file, dest) {
  file = file || prefix + '.js';
  dest = dest || prefix + '.min.js';

  var minified = minify(fs.readFileSync(file, 'utf-8'));
  fs.writeFileSync(dest, minified, 'utf-8');
  console.log('> ' + dest)
});

task('clean', [], function () {
  fs.unlink(prefix + '.js');
  fs.unlink(prefix + '.min.js');
});

function minify(code) {
  var uglifyjs = require('uglify-js'),
      parser = uglifyjs.parser,
      uglify = uglifyjs.uglify;

  var ast = parser.parse(code);
  ast = uglify.ast_mangle(ast);
  ast = uglify.ast_squeeze(ast);
  return uglify.gen_code(ast);
}