Update Travis CI and NPM configuration

To be compatible with their newest versions.

.travis.yml

@@ -1,8 +1,7 @@
 language: node_js
 node_js:
-- '0.10'
-before_script:
-- npm install -g gulp
+- 0.12
+- 4
 deploy:
   provider: releases
   api_key:
@@ -13,5 +12,4 @@ deploy:
     branch: master
     tags: true
 before_deploy:
-- gulp
-- gulp compress
+- npm run before-deploy

gulpfile.js

@@ -2,14 +2,17 @@
 
 var gulp = require('gulp')
   , browserify = require('browserify')
+  , buffer = require('vinyl-buffer')
   , bump = require('gulp-bump')
   , connect = require('gulp-connect')
+  , del = require('del')
   , eslint = require('gulp-eslint')
   , insert = require('gulp-insert')
+  , path = require('path')
   , rename = require('gulp-rename')
-  , rimraf = require('gulp-rimraf')
   , sass = require('gulp-sass')
-  , transform = require('vinyl-transform')
+  , source = require('vinyl-source-stream')
+  , stream = require('event-stream')
   , uglify = require('gulp-uglify')
   , zip = require('gulp-zip');
 
@@ -23,25 +26,23 @@ gulp.task('lint', function () {
 });
 
 gulp.task('clean:js', function () {
-  return gulp.src('./dist/js/*.js', {read: false})
-    .pipe(rimraf());
+  return del(['./dist/js/*.js']);
 });
 
 gulp.task('clean:js:min', function () {
-  return gulp.src('./dist/js/min/*.js', {read: false})
-    .pipe(rimraf());
+  return del(['./dist/js/min/*.js']);
 });
 
-function browserified() {
-  return transform(function (filename) {
-    var b = browserify(filename);
-    return b.bundle();
-  });
-}
+var jsEntries = [
+  './src/js/adaptor/global.js',
+  './src/js/adaptor/jquery.js'
+];
 
 gulp.task('js', ['clean:js'], function () {
-  return gulp.src('./src/js/adaptor/*.js')
-    .pipe(browserified())
+  var tasks = jsEntries.map(function (src) {
+    return browserify([src]).bundle()
+      .pipe(source(path.basename(src)))
+      .pipe(buffer())
       .pipe(insert.prepend(version))
       .pipe(rename(function (path) {
         if (path.basename === 'global') {
@@ -52,34 +53,39 @@ gulp.task('js', ['clean:js'], function () {
       }))
       .pipe(gulp.dest('./dist/js'))
       .pipe(connect.reload());
+  });
+  return stream.merge.apply(null, tasks);
 });
 
 gulp.task('js:min', ['clean:js:min'], function () {
-  return gulp.src('./src/js/adaptor/*.js')
-    .pipe(browserified())
+  var tasks = jsEntries.map(function (src) {
+    return browserify([src]).bundle()
+      .pipe(source(path.basename(src)))
+      .pipe(buffer())
       .pipe(uglify())
       .pipe(insert.prepend(version))
       .pipe(rename(function (path) {
         if (path.basename === 'global') {
-        path.basename = 'perfect-scrollbar.min';
+          path.basename = 'perfect-scrollbar';
         } else {
-        path.basename = 'perfect-scrollbar.' + path.basename + '.min';
+          path.basename = 'perfect-scrollbar.' + path.basename;
         }
       }))
-    .pipe(gulp.dest('./dist/js/min'));
+      .pipe(gulp.dest('./dist/js/min'))
+      .pipe(connect.reload());
+  });
+  return stream.merge.apply(null, tasks);
 });
 
 gulp.task('clean:css', function () {
-  return gulp.src('./dist/css/perfect-scrollbar.css', {read: false})
-    .pipe(rimraf());
+  return del(['./dist/css/perfect-scrollbar.css']);
 });
 
 gulp.task('clean:css:min', function () {
-  return gulp.src('./dist/css/perfect-scrollbar.min.css', {read: false})
-    .pipe(rimraf());
+  return del(['./dist/css/perfect-scrollbar.min.css']);
 });
 
-gulp.task('sass', ['clean:css'], function () {
+gulp.task('css', ['clean:css'], function () {
   return gulp.src('./src/css/main.scss')
     .pipe(sass())
     .pipe(insert.prepend(version))
@@ -88,7 +94,7 @@ gulp.task('sass', ['clean:css'], function () {
     .pipe(connect.reload());
 });
 
-gulp.task('sass:min', ['clean:css:min'], function () {
+gulp.task('css:min', ['clean:css:min'], function () {
   return gulp.src('./src/css/main.scss')
     .pipe(sass({outputStyle: 'compressed'}))
     .pipe(insert.prepend(version))
@@ -114,7 +120,7 @@ gulp.task('bump', function () {
 
 gulp.task('release', ['bump', 'build']);
 
-gulp.task('build', ['js', 'js:min', 'sass', 'sass:min']);
+gulp.task('build', ['js', 'js:min', 'css', 'css:min']);
 
 gulp.task('connect', ['build'], function () {
   connect.server({
@@ -125,7 +131,7 @@ gulp.task('connect', ['build'], function () {
 
 gulp.task('watch', function () {
   gulp.watch(['src/js/**/*'], ['js']);
-  gulp.watch(['src/css/**/*'], ['sass']);
+  gulp.watch(['src/css/**/*'], ['css']);
 });
 
 gulp.task('serve', ['connect', 'watch']);

package.json

@@ -24,24 +24,27 @@
     "scrollbar"
   ],
   "engines": {
-    "node": ">= 0.8.0"
+    "node": ">= 0.12.0"
   },
   "devDependencies": {
-    "browserify": "^8.1.1",
-    "gulp": "^3.8.10",
-    "gulp-bump": "^0.1.11",
+    "browserify": "^11.2.0",
+    "del": "^2.0.2",
+    "event-stream": "^3.3.1",
+    "gulp": "^3.9.0",
+    "gulp-bump": "^1.0.0",
     "gulp-connect": "^2.2.0",
-    "gulp-eslint": "^0.2.0",
-    "gulp-insert": "^0.4.0",
-    "gulp-rename": "^1.2.0",
-    "gulp-rimraf": "^0.1.1",
-    "gulp-sass": "^1.3.1",
-    "gulp-uglify": "^1.0.2",
-    "gulp-zip": "^2.0.2",
-    "vinyl-transform": "^1.0.0"
+    "gulp-eslint": "^1.0.0",
+    "gulp-insert": "^0.5.0",
+    "gulp-rename": "^1.2.2",
+    "gulp-sass": "^2.0.4",
+    "gulp-uglify": "^1.4.1",
+    "gulp-zip": "^3.0.2",
+    "vinyl-buffer": "^1.0.0",
+    "vinyl-source-stream": "^1.1.0"
   },
   "scripts": {
-    "test": "gulp"
+    "test": "gulp",
+    "before-deploy": "gulp && gulp compress"
   },
   "license": "MIT"
 }