Use uglify and cssnano

package.json

@@ -21,6 +21,7 @@
     "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-transform-object-assign": "^6.22.0",
     "babel-preset-env": "^1.7.0",
+    "cssnano": "^3.10.0",
     "cypress": "^2.1.0",
     "live-server": "tapio/live-server#master",
     "node-sass": "^4.9.0",
@@ -29,7 +30,8 @@
     "rollup-plugin-babel": "^3.0.4",
     "rollup-plugin-commonjs": "^9.1.3",
     "rollup-plugin-node-resolve": "^3.3.0",
-    "rollup-plugin-postcss": "^1.6.1"
+    "rollup-plugin-postcss": "^1.6.1",
+    "rollup-plugin-uglify": "^3.0.0"
   },
   "dependencies": {
     "classlist-polyfill": "^1.2.0",

rollup.config.js

@@ -2,13 +2,16 @@ import resolve from 'rollup-plugin-node-resolve';
 import commonjs from 'rollup-plugin-commonjs';
 import babel from 'rollup-plugin-babel';
 import postcss from 'rollup-plugin-postcss';
+import uglify from 'rollup-plugin-uglify';
 import autoprefixer from 'autoprefixer';
+import cssnano from 'cssnano';
 import pkg from './package.json';
 
 const transformStyles = postcss({
   extract: 'dist/aos.css',
   plugins: [
-    autoprefixer
+    autoprefixer,
+    cssnano,
   ]
 });
 
@@ -29,6 +32,7 @@ export default [
 			babel({
         exclude: ['node_modules/**']
       }),
+      uglify(),
 		],
 	},
 	{
@@ -42,7 +46,7 @@ export default [
       transformStyles,
 			babel({
 				exclude: ['node_modules/**']
-			}),
+      }),
 		],
 	},
 ];

yarn.lock

@@ -1057,6 +1057,10 @@ commander@^2.9.0:
   version "2.15.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
 
+commander@~2.13.0:
+  version "2.13.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
+
 [email protected]:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.4.0.tgz#1187be4f3d4cf0c0427d43f74eef1f73501614c0"
@@ -3615,6 +3619,12 @@ rollup-plugin-postcss@^1.6.1:
     rollup-pluginutils "^2.0.1"
     style-inject "^0.3.0"
 
+rollup-plugin-uglify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-uglify/-/rollup-plugin-uglify-3.0.0.tgz#a34eca24617709c6bf1778e9653baafa06099b86"
+  dependencies:
+    uglify-es "^3.3.7"
+
 rollup-pluginutils@^1.5.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
@@ -3789,7 +3799,7 @@ source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-source-map@^0.6.1:
+source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -4051,6 +4061,13 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
+uglify-es@^3.3.7:
+  version "3.3.9"
+  resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"
+  dependencies:
+    commander "~2.13.0"
+    source-map "~0.6.1"
+
 uniq@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"