switch out grunt for gulp

.gitignore

@@ -2,3 +2,4 @@ components/
 bower_components/
 node_modules/
 build/
+**/fonts/

bower.json

@@ -36,6 +36,7 @@
     "tests",
     "changelog.md",
     "Gruntfile.js",
+    "gulpfile.js",
     "package.json",
     "sandbox"
   ]

gulpfile.js

@@ -0,0 +1,148 @@
+/*jshint node: true, strict: false */
+
+var fs = require('fs');
+var gulp = require('gulp');
+
+// ----- lint ----- //
+
+var jshint = require('gulp-jshint');
+
+gulp.task( 'lint-js', function() {
+  return gulp.src('draggabilly.js')
+    .pipe( jshint() )
+    .pipe( jshint.reporter('default') );
+});
+
+gulp.task( 'lint-test', function() {
+  return gulp.src('test/unit/*.js')
+    .pipe( jshint() )
+    .pipe( jshint.reporter('default') );
+});
+
+gulp.task( 'lint-task', function() {
+  return gulp.src('gulpfile.js')
+    .pipe( jshint() )
+    .pipe( jshint.reporter('default') );
+});
+
+var jsonlint = require('gulp-json-lint');
+
+gulp.task( 'lint-json', function() {
+  return gulp.src( '*.json' )
+    .pipe( jsonlint() )
+    .pipe( jsonlint.report('verbose') );
+});
+
+gulp.task( 'lint', [ 'lint-js', 'lint-test', 'lint-task', 'lint-json' ] );
+
+// -------------------------- dist -------------------------- //
+// RequireJS makes pkgd
+
+// refactored from gulp-requirejs-optimize
+// https://www.npmjs.com/package/gulp-requirejs-optimize/
+
+var gutil = require('gulp-util');
+var through2 = require('through2');
+var requirejs = require('requirejs');
+
+function rjsOptimize( options ) {
+  var stream;
+
+  requirejs.define( 'node/print', [], function() {
+    return function(msg) {
+      gutil.log( msg );
+    };
+  });
+
+  options = options || {};
+
+  stream = through2.obj( function ( file, enc, cb ) {
+    if ( file.isNull() ) {
+      this.push( file );
+      return cb();
+    }
+
+    options.logLevel = 2;
+
+    options.out = function( text ) {
+      var outFile = new gutil.File({
+        path: file.relative,
+        contents: new Buffer( text )
+      });
+      cb( null, outFile );
+    };
+
+    gutil.log('RequireJS optimizing');
+    requirejs.optimize( options, null, function( err ) {
+      var gulpError = new gutil.PluginError( 'requirejsOptimize', err.message );
+      stream.emit( 'error', gulpError );
+    });
+  });
+
+  return stream;
+}
+
+// regex for banner comment
+var reBannerComment = new RegExp('^\\s*(?:\\/\\*[\\s\\S]*?\\*\\/)\\s*');
+
+function getBanner() {
+  var src = fs.readFileSync( 'draggabilly.js', 'utf8' );
+  var matches = src.match( reBannerComment );
+  var banner = matches[0].replace( 'Draggabilly', 'Draggabilly PACKAGED' );
+  return banner;
+}
+
+var replace = require('gulp-replace');
+var rename = require('gulp-rename');
+
+function addBanner( str ) {
+  return replace( /^/, str );
+}
+
+gulp.task( 'requirejs', function() {
+  var banner = getBanner();
+  // HACK src is not needed
+  // should refactor rjsOptimize to produce src
+  return gulp.src('draggabilly.js')
+    .pipe( rjsOptimize({
+      baseUrl: 'bower_components',
+      optimize: 'none',
+      include: [
+        'jquery-bridget/jquery.bridget',
+        'draggabilly/draggabilly'
+      ],
+      paths: {
+        draggabilly: '../',
+        jquery: 'empty:'
+      }
+    }) )
+    // add banner
+    .pipe( addBanner( banner ) )
+    .pipe( rename('draggabilly.pkgd.js') )
+    .pipe( gulp.dest('dist') );
+});
+
+// ----- uglify ----- //
+
+var uglify = require('gulp-uglify');
+
+gulp.task( 'uglify', function() {
+  var banner = getBanner();
+  return gulp.src('dist/draggabilly.pkgd.js')
+    .pipe( uglify() )
+    // add banner
+    .pipe( addBanner( banner ) )
+    .pipe( rename('draggabilly.pkgd.min.js') )
+    .pipe( gulp.dest('dist') );
+});
+
+// ----- dist ----- //
+
+gulp.task( 'dist', [ 'requirejs', 'uglify' ] );
+
+// ----- default ----- //
+
+gulp.task( 'default', [
+  'lint',
+  'dist'
+]);

package.json

@@ -11,14 +11,17 @@
     "unidragger": "~1.1.0"
   },
   "devDependencies": {
-    "grunt": "^0.4.5",
-    "grunt-cli": "^0.1.13",
-    "grunt-contrib-jshint": "^0.10.0",
-    "grunt-contrib-uglify": "^0.5.0",
-    "grunt-requirejs": "^0.4.2"
+    "gulp": "^3.8.11",
+    "through2": "^0.6.3",
+    "gulp-replace": "^0.5.3",
+    "gulp-uglify": "^1.1.0",
+    "requirejs": "^2.1.16",
+    "gulp-jshint": "^1.9.2",
+    "gulp-json-lint": "^0.1.0",
+    "gulp-rename": "^1.2.0",
+    "gulp-util": "^3.0.4"
   },
   "scripts": {
-    "test": "grunt travis"
   },
   "repository": {
     "type": "git",