Updated API + all streams/tasks are back in 1 file to make loading fast

.npmignore

@@ -4,6 +4,7 @@
 .jscsrc
 .jshintrc
 
+.maelstrom.yml
 .travis.yml
 appveyor.yml
 gulpfile.js

lib/index.js

@@ -13,32 +13,112 @@
  */
 'use strict';
 
+const _                = require('underscore');
+const GulpAutoprefixer = require('gulp-autoprefixer');
+const GulpConcat       = require('gulp-concat');
+const GulpCssNano      = require('gulp-cssnano');
+const GulpIf           = require('gulp-if');
+
 // // // // // // // // // // // // // // // // // // // // // // // // // // //
 
 module.exports = function()
 {
-    let $plugin = new this.Plugin(__filename, 'css',
+    const Maelstrom = this;
+    const Config    = Maelstrom.config;
+    const Gulp      = Maelstrom.gulp;
+    const Utils     = Maelstrom.utils;
+
+    // -------------------------------------------------------------------------
+
+    let $plugin = new Maelstrom.Plugin(__filename, 'css',
     {
         /**
          * Return the location of the Sass source files.
          */
         src: function($src)
         {
-            let $defaultSrc = this.maelstrom.config.src.css + '/**/*.css';
-            return this.maelstrom.utils.extendArgs($src, $defaultSrc);
+            let $defaultSrc = Config.src.css + '/**/*.css';
+            return Utils.extendArgs($src, $defaultSrc);
         },
 
         /**
          * Return the location of the CSS output folder.
          */
         dest: function()
         {
-            return this.maelstrom.config.dest.css;
+            return Config.dest.css;
+        }
+    });
+
+    // -------------------------------------------------------------------------
+
+    /**
+     * Concatenate CSS files, autoprefix and minify the result when not `--dev`.
+     */
+    $plugin.addStream('concat', function($destFile, $isProd)
+    {
+        // make sure the dest filename has a js file extension
+        if ($destFile && $destFile.substr($destFile.length - 4) !== '.css')
+        {
+            $destFile += '.css';
         }
+
+        let $stream = GulpConcat($destFile);
+        $stream.pipe( $plugin.stream('css', [$isProd]) );
+
+        return $stream;
     });
 
-    $plugin.readStreams();
-    $plugin.readTasks();
+    /**
+     * Autoprefix and further minify the result when not `--dev`.
+     */
+    $plugin.addStream('css', function($isProd)
+    {
+        let $stream = GulpAutoprefixer(Config.css.autoprefixer);
+
+        // minify when in production mode
+        $stream.pipe( GulpIf(Utils.isProd() || $isProd, GulpCssNano()) );
+
+        return $stream;
+    });
+
+    // -------------------------------------------------------------------------
+
+    /**
+     *
+     */
+    $plugin.addTask('css', function()
+    {
+        let $concat = Config.css.concat;
+
+        if (!_.isEmpty($concat))
+        {
+            for (let $destFile in $concat)
+            {
+                if (!$concat.hasOwnProperty($destFile))
+                {
+                    continue;
+                }
+
+                let $srcFiles = $concat[$destFile];
+
+                Gulp.src($srcFiles)
+                    .pipe( Maelstrom.stream('plumber') )
+                    .pipe( self.stream('concat', [$destFile]) )
+                    // .pipe( GulpSize(Config.main.size) )
+                    .pipe( Maelstrom.stream('size') )
+                    .pipe( Gulp.dest(self.dest()) );
+            }
+        }
+    });
+
+    /**
+     * Clean the CSS output dir from all excess files.
+     */
+    $plugin.addTask('css:clean', function()
+    {
+        Maelstrom.stream('clean', Config.dest.css);
+    });
 
     return $plugin;
 };