Move clean-css to npm scripts.

Gruntfile.js

@@ -147,36 +147,6 @@ module.exports = function (grunt) {
     },
 
     // CSS build configuration
-    cssmin: {
-      options: {
-        sourceMap: true,
-        // sourceMapInlineSources: true,
-        advanced: false
-      },
-      core: {
-        files: [
-          {
-            expand: true,
-            cwd: 'dist/css',
-            src: ['*.css', '!*.min.css'],
-            dest: 'dist/css',
-            ext: '.min.css'
-          }
-        ]
-      },
-      docs: {
-        files: [
-          {
-            expand: true,
-            cwd: 'docs/assets/css',
-            src: ['*.css', '!*.min.css'],
-            dest: 'docs/assets/css',
-            ext: '.min.css'
-          }
-        ]
-      }
-    },
-
     copy: {
       docs: {
         expand: true,
@@ -260,6 +230,12 @@ module.exports = function (grunt) {
     },
 
     exec: {
+      'clean-css': {
+        command: 'npm run clean-css'
+      },
+      'clean-css-docs': {
+        command: 'npm run clean-css-docs'
+      },
       postcss: {
         command: 'npm run postcss'
       },
@@ -371,7 +347,7 @@ module.exports = function (grunt) {
   // grunt.registerTask('sass-compile', ['sass:core', 'sass:extras', 'sass:docs']);
   grunt.registerTask('sass-compile', ['sass:core', 'sass:extras', 'sass:docs']);
 
-  grunt.registerTask('dist-css', ['sass-compile', 'exec:postcss', 'cssmin:core', 'cssmin:docs']);
+  grunt.registerTask('dist-css', ['sass-compile', 'exec:postcss', 'exec:clean-css', 'exec:clean-css-docs']);
 
   // Full distribution task.
   grunt.registerTask('dist', ['clean:dist', 'dist-css', 'dist-js']);
@@ -380,7 +356,7 @@ module.exports = function (grunt) {
   grunt.registerTask('default', ['clean:dist', 'test']);
 
   // Docs task.
-  grunt.registerTask('docs-css', ['cssmin:docs', 'exec:postcss-docs']);
+  grunt.registerTask('docs-css', ['exec:clean-css-docs', 'exec:postcss-docs']);
   grunt.registerTask('lint-docs-css', ['exec:scss-lint-docs']);
   grunt.registerTask('docs-js', ['uglify:docsJs']);
   grunt.registerTask('docs', ['lint-docs-css', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs']);

grunt/npm-shrinkwrap.json

@@ -55,9 +55,9 @@
       "dev": true
     },
     "ajv-keywords": {
-      "version": "1.2.0",
+      "version": "1.3.0",
       "from": "ajv-keywords@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.3.0.tgz",
       "dev": true
     },
     "align-text": {
@@ -570,18 +570,10 @@
       "optional": true
     },
     "bl": {
-      "version": "1.1.2",
+      "version": "1.2.0",
       "from": "bl@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-1.1.2.tgz",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.0.tgz",
-      "dev": true,
+      "dev": true
-      "dependencies": {
-        "readable-stream": {
-          "version": "2.0.6",
-          "from": "readable-stream@>=2.0.5 <2.1.0",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
-          "dev": true
-        }
-      }
     },
     "block-stream": {
       "version": "0.0.9",
@@ -590,9 +582,9 @@
       "dev": true
     },
     "bluebird": {
-      "version": "3.4.6",
+      "version": "3.4.7",
       "from": "bluebird@>=3.0.6 <4.0.0",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.4.6.tgz",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.4.7.tgz",
       "dev": true
     },
     "body-parser": {
@@ -759,7 +751,7 @@
     },
     "clean-css": {
       "version": "3.4.23",
-      "from": "clean-css@>=3.4.2 <3.5.0",
+      "from": "clean-css@>=3.4.23 <4.0.0",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-3.4.23.tgz",
       "dev": true,
       "dependencies": {
@@ -1777,12 +1769,6 @@
       "resolved": "https://registry.npmjs.org/grunt-contrib-copy/-/grunt-contrib-copy-1.0.0.tgz",
       "dev": true
     },
-    "grunt-contrib-cssmin": {
-      "version": "1.0.2",
-      "from": "grunt-contrib-cssmin@>=1.0.2 <2.0.0",
-      "resolved": "https://registry.npmjs.org/grunt-contrib-cssmin/-/grunt-contrib-cssmin-1.0.2.tgz",
-      "dev": true
-    },
     "grunt-contrib-qunit": {
       "version": "1.2.0",
       "from": "grunt-contrib-qunit@>=1.2.0 <2.0.0",
@@ -2518,9 +2504,9 @@
       "dev": true
     },
     "jsonpointer": {
-      "version": "4.0.0",
+      "version": "4.0.1",
       "from": "jsonpointer@>=4.0.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/jsonpointer/-/jsonpointer-4.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/jsonpointer/-/jsonpointer-4.0.1.tgz",
       "dev": true
     },
     "jsprim": {
@@ -2773,9 +2759,9 @@
       "dev": true
     },
     "nan": {
-      "version": "2.4.0",
+      "version": "2.5.0",
       "from": "nan@>=2.3.2 <3.0.0",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.5.0.tgz",
       "dev": true
     },
     "natural-compare": {
@@ -3682,9 +3668,9 @@
       "dev": true
     },
     "source-map-support": {
-      "version": "0.4.6",
+      "version": "0.4.7",
       "from": "source-map-support@>=0.4.2 <0.5.0",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.6.tgz",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.7.tgz",
       "dev": true
     },
     "spdx-correct": {

package.json

@@ -18,6 +18,8 @@
   ],
   "scripts": {
     "change-version": "node grunt/change-version.js",
+    "clean-css": "cleancss --skip-advanced --source-map --output dist/css/bootstrap.min.css dist/css/bootstrap.css && cleancss --skip-advanced --source-map --output dist/css/bootstrap-grid.min.css dist/css/bootstrap-grid.css && cleancss --skip-advanced --source-map --output dist/css/bootstrap-reboot.min.css dist/css/bootstrap-reboot.css",
+    "clean-css-docs": "cleancss --skip-advanced --source-map --output docs/assets/css/docs.min.css docs/assets/css/docs.min.css",
     "eslint": "eslint --ignore-path .eslintignore js",
     "jscs": "jscs --config=js/.jscsrc js/src js/tests/unit docs/assets/js/src grunt Gruntfile.js docs/assets/js/ie-emulation-modes-warning.js docs/assets/js/ie10-viewport-bug-workaround.js",
     "htmlhint": "htmlhint --config docs/.htmlhintrc _gh_pages/",
@@ -48,6 +50,7 @@
     "babel-eslint": "^7.0.0",
     "babel-plugin-transform-es2015-modules-strip": "^0.1.0",
     "babel-preset-es2015": "^6.16.0",
+    "clean-css": "^3.4.23",
     "eslint": "^3.7.1",
     "grunt": "^1.0.1",
     "grunt-babel": "^6.0.0",
@@ -57,7 +60,6 @@
     "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-connect": "^1.0.2",
     "grunt-contrib-copy": "^1.0.0",
-    "grunt-contrib-cssmin": "^1.0.2",
     "grunt-contrib-qunit": "^1.2.0",
     "grunt-contrib-sass": "^1.0.0",
     "grunt-contrib-uglify": "^2.0.0",