更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/css-select-base-adapter/test/data.js

@@ -0,0 +1,34 @@
+'use strict'
+
+const walk = ( node, parent, cb ) => {
+  cb( node, parent )
+
+  if( Array.isArray( node.children ) )
+    node.children.forEach( child => walk( child, node, cb ) )
+}
+
+const data = {
+  name: 'div',
+  attribs: {
+    id: 'container',
+    class: 'message'
+  },
+  children: [
+    {
+      name: 'strong',
+      attribs: {
+        class: 'message'
+      },
+      children: [
+        { text: 'Hello' }
+      ]
+    },
+    { text: ', World!' }
+  ]
+}
+
+walk( data, null, ( node, parent ) => {
+  if( parent ) node.parent = parent
+})
+
+module.exports = [ data ]