refactor build

build/vue-loader.conf.js

@@ -1,12 +1,22 @@
-var utils = require('./utils')
-var config = require('../config')
-var isProduction = process.env.NODE_ENV === 'production'
+'use strict'
+const utils = require('./utils')
+const config = require('../config')
+const isProduction = process.env.NODE_ENV === 'production'
+const sourceMapEnabled = isProduction
+  ? config.build.productionSourceMap
+  : config.dev.cssSourceMap
 
 module.exports = {
   loaders: utils.cssLoaders({
-    sourceMap: isProduction
-      ? config.build.productionSourceMap
-      : config.dev.cssSourceMap,
+    sourceMap: sourceMapEnabled,
     extract: isProduction
-  })
+  }),
+  cssSourceMap: sourceMapEnabled,
+  cacheBusting: config.dev.cacheBusting,
+  transformToRequire: {
+    video: ['src', 'poster'],
+    source: 'src',
+    img: 'src',
+    image: 'xlink:href'
+  }
 }