Prettified all files.

gulpfile.js

@@ -3,6 +3,7 @@ const uglify = require('gulp-uglify')
 const rename = require('gulp-rename')
 const concat = require('gulp-concat')
 const replace = require('gulp-replace')
+const prettier = require('gulp-prettier')
 
 function vendors() {
     return src(
@@ -52,4 +53,28 @@ function preload() {
         .pipe(dest('dist', { sourcemaps: false }))
 }
 
+function prettify() {
+    return src(
+        [
+            './lib/*.js',
+            './lib/card/*.js',
+            './lib/pixi/*.js',
+            '!./lib/bootstrap.babel.js'
+        ],
+        {
+            base: './lib'
+        }
+    )
+        .pipe(
+            prettier({
+                singleQuote: true,
+                jsxSingleQuote: true,
+                tabWidth: 4,
+                semi: false
+            })
+        )
+        .pipe(dest('./lib'))
+}
+
+exports.prettify = prettify
 exports.default = parallel(vendors, preload)