[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/jsx-ast-utils/lib/values/JSXElement.js

@@ -0,0 +1,23 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = extractValueFromJSXElement;
+/**
+ * Extractor function for a JSXElement type value node.
+ *
+ * Returns self-closing element with correct name.
+ */
+function extractValueFromJSXElement(value) {
+  // eslint-disable-next-line global-require
+  var getValue = require('.').default;
+
+  var Tag = value.openingElement.name.name;
+  if (value.openingElement.selfClosing) {
+    return '<' + Tag + ' />';
+  }
+  return '<' + Tag + '>' + [].concat(value.children).map(function (x) {
+    return getValue(x);
+  }).join('') + '</' + Tag + '>';
+}