Added gulpfile.js

Author: lcdsantos

.gitignore

@@ -1,5 +1,4 @@
 package.json
-gulpfile.js
 node_modules
 .npm-debug.log
 tmp

gulpfile.js

@@ -0,0 +1,119 @@
+var gulp   = require('gulp'),
+    uglify = require('gulp-uglify'),
+    rename = require('gulp-rename'),
+    header = require('gulp-header'),
+    bump   = require('gulp-bump'),
+    prefix = require('gulp-autoprefixer');
+
+var pkg = require('./package.json');
+
+gulp.task('js', function(){
+  var banner = [
+    '/*!',
+    ' *         ,/',
+    ' *       ,\'/',
+    ' *     ,\' /',
+    ' *   ,\'  /_____,',
+    ' * .\'____    ,\'',
+    ' *      /  ,\'',
+    ' *     / ,\'',
+    ' *    /,\'',
+    ' *   /\'',
+    ' *',
+    ' * Selectric \u03DE v<%= pkg.version %> (<%= new Date().toJSON().slice(0,10) %>) - http://lcdsantos.github.io/jQuery-Selectric/',
+    ' *',
+    ' * Copyright (c) <%= new Date().getFullYear() %> Leonardo Santos; Dual licensed: MIT\/GPL',
+    ' *',
+    ' */\n\n'
+  ].join('\n');
+
+  gulp.src('src/jquery.selectric.js')
+    .pipe(header(banner, { pkg: pkg }))
+    .pipe(gulp.dest('./dist'));
+});
+
+gulp.task('js-min', function(){
+  gulp.src('src/jquery.selectric.js')
+    .pipe(uglify())
+    .pipe(header('/*! Selectric ϟ v<%= pkg.version %> (<%= new Date().toJSON().slice(0,10) %>) - git.io/tjl9sQ - Copyright (c) <%= new Date().getFullYear() %> Leonardo Santos - Dual licensed: MIT/GPL */\n', { pkg: pkg }))
+    .pipe(rename({
+      suffix: '.min'
+    }))
+    .pipe(gulp.dest('./dist'));
+});
+
+var sass = function(options){
+  var through = require('through2'),
+      gutil   = require('gulp-util'),
+      spawn   = require('win-spawn'),
+      exec    = require('child_process').exec,
+      path    = require('path');
+
+  var options   = options || {},
+      style     = options.style || 'expanded',
+      sourcemap = options.sourcemap || 'none';
+
+  function changeFile(file, newExt, newContent, context, callback){
+    file.path = gutil.replaceExtension( file.path, newExt );
+
+    file.contents = newContent;
+    context.push(file);
+
+    callback();
+  }
+
+  return through.obj(function(file, enc, cb) {
+    var _this = this,
+        args = ['--style', style, '--sourcemap=' + sourcemap, file.path];
+
+    if (file.isBuffer()) {
+      exec(['sass'].concat(args).join(' '), function(error, stdout, stderr){
+
+        if ( stderr ){
+          gutil.log('stderr: ' + stderr);
+        }
+
+        if (error !== null) {
+          gutil.log('exec error: ' + error);
+        }
+
+        changeFile(file, '.css', new Buffer(stdout), _this, cb);
+      });
+    }
+
+    if (file.isStream()) {
+      var cmd = spawn('sass', args);
+
+      cmd.stdout.on('data', function (data) {
+        changeFile(file, '.css', data, _this, cb);
+      });
+
+      cmd.stderr.setEncoding('utf8');
+      cmd.stderr.on('data', function (data) {
+        gutil.log(data);
+      });
+    }
+  });
+}
+
+module.exports = sass;
+
+gulp.task('css', function(){
+  gulp.src('./src/*.scss')
+    .pipe(sass())
+    .pipe(prefix('last 2 versions', '> 1%', 'ie 8', 'ie 7'))
+    .pipe(gulp.dest('./dist'));
+});
+
+gulp.task('bump', function(){
+  var gutil = require('gulp-util'),
+      newVersion = gutil.env.bump || pkg.version;
+
+  gulp.src(['./package.json', './bower.json', './selectric.jquery.json'])
+    .pipe(bump({
+      version: newVersion
+    }))
+    .pipe(gulp.dest('./'));
+});
+
+gulp.task('default', ['js', 'js-min', 'css', 'bump']);