vue cli3 改造完成

src/assets/icons/index.js

@@ -0,0 +1,9 @@
+import Vue from 'vue'
+import SvgIcon from '@/components/SvgIcon'// svg component
+
+// register globally
+Vue.component('svg-icon', SvgIcon)
+
+const req = require.context('./svg', false, /\.svg$/)
+const requireAll = requireContext => requireContext.keys().map(requireContext)
+requireAll(req)