From b1d29ef1bcac282a8e9742494ab84a54b5467d75 Mon Sep 17 00:00:00 2001
From: Mohammad Younes <myounes@gmail.com>
Date: Fri, 2 Jan 2015 23:57:08 +0200
Subject: [PATCH] RTL Gulp Task

---
 gulpfile.js            | 59 ++++++++++++++++++++++++++++++++++++++++--
 package.json           |  1 +
 tasks/gulp-settings.js |  3 ++-
 3 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index 107de64a0..7c2d82c85 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -39,6 +39,7 @@ var
   prompt       = require('gulp-prompt'),
   rename       = require('gulp-rename'),
   replace      = require('gulp-replace'),
+  rtlcss       = require('gulp-rtlcss'),
   sourcemaps   = require('gulp-sourcemaps'),
   uglify       = require('gulp-uglify'),
   util         = require('gulp-util'),
@@ -406,6 +407,40 @@ gulp.task('build', 'Builds all files from source', function(callback) {
 
 });
 
+gulp.task('build-rtl', 'Builds rtl css from release files', function (callback) {
+  var
+    stream
+  ;
+
+  console.info('Building Semantic RTL');
+
+  // unified css stream
+  stream = gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map|*.rtl).css')
+    .pipe(plumber())
+    .pipe(rtlcss())
+    .pipe(rename(settings.rename.rtlCSS))
+    .pipe(gulp.dest(output.uncompressed))
+    .pipe(print(log.created))
+    .on('end', function () {
+      gulp.start('package uncompressed rtl css');
+    })
+  ;
+
+  stream
+    .pipe(plumber())
+    .pipe(clone())
+    .pipe(minifyCSS(settings.minify))
+    .pipe(rename(settings.rename.minCSS))
+    .pipe(gulp.dest(output.compressed))
+    .pipe(print(log.created))
+    .on('end', function () {
+      callback();
+      gulp.start('package compressed rtl css');
+    })
+  ;
+
+});
+
 // cleans distribution files
 gulp.task('clean', 'Clean dist folder', function(callback) {
   return del([clean], settings.del, callback);
@@ -420,7 +455,7 @@ gulp.task('version', 'Displays current version of Semantic', function(callback)
 ---------------*/
 
 gulp.task('package uncompressed css', false, function() {
-  return gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map).css')
+  return gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map|*.rtl).css')
     .pipe(plumber())
     .pipe(replace(assetPaths.uncompressed, assetPaths.packaged))
     .pipe(concatCSS('semantic.css'))
@@ -429,8 +464,17 @@ gulp.task('package uncompressed css', false, function() {
   ;
 });
 
+gulp.task('package uncompressed rtl css', false, function () {
+  return gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map).rtl.css')
+    .pipe(replace(assetPaths.uncompressed, assetPaths.packaged))
+    .pipe(concatCSS('semantic.rtl.css'))
+      .pipe(gulp.dest(output.packaged))
+      .pipe(print(log.created))
+  ;
+});
+
 gulp.task('package compressed css', false, function() {
-  return gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map).css')
+  return gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map|*.rtl).css')
     .pipe(plumber())
     .pipe(replace(assetPaths.uncompressed, assetPaths.packaged))
     .pipe(concatCSS('semantic.min.css'))
@@ -441,6 +485,17 @@ gulp.task('package compressed css', false, function() {
   ;
 });
 
+gulp.task('package compressed rtl css', false, function () {
+  return gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map).rtl.css')
+    .pipe(replace(assetPaths.uncompressed, assetPaths.packaged))
+    .pipe(concatCSS('semantic.rtl.min.css'))
+      .pipe(minifyCSS(settings.minify))
+      .pipe(header(banner, settings.header))
+      .pipe(gulp.dest(output.packaged))
+      .pipe(print(log.created))
+  ;
+});
+
 gulp.task('package uncompressed js', false, function() {
   return gulp.src(output.uncompressed + '**/' + componentGlob + '!(*.min|*.map).js')
     .pipe(plumber())
diff --git a/package.json b/package.json
index 500d8e412..525098f43 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "gulp-prompt": "^0.1.1",
     "gulp-rename": "^1.2.0",
     "gulp-replace": "^0.5.0",
+    "gulp-rtlcss": "^0.1.2",
     "gulp-sourcemaps": "^1.2.8",
     "gulp-uglify": "^1.0.1",
     "gulp-util": "^3.0.1",
diff --git a/tasks/gulp-settings.js b/tasks/gulp-settings.js
index a7f6a82fc..3d89c8fb5 100644
--- a/tasks/gulp-settings.js
+++ b/tasks/gulp-settings.js
@@ -39,7 +39,8 @@ module.exports = {
   rename: {
     json   : { extname : '.json' },
     minJS  : { extname : '.min.js' },
-    minCSS : { extname : '.min.css' }
+    minCSS : { extname : '.min.css' },
+    rtlCSS : { extname : '.rtl.css' },
   },
   wrench: {
     recursive: {