_classCallCheck‘.问题修复

babel.config.js

 module.exports = {
-  presets: ['module:metro-react-native-babel-preset'],
+  presets: [
+    [
+      'module:metro-react-native-babel-preset',
+      {unstable_disableES6Transforms: true},
+    ],
+  ],
   plugins: [
     ['@babel/plugin-proposal-decorators', {legacy: true}],
     ['import', {libraryName: 'antd-mobile'}],

package.json

@@ -46,7 +46,7 @@
     "babel-plugin-transform-decorators-legacy": "1.3.5",
     "eslint": "6.5.1",
     "jest": "24.9.0",
-    "metro-react-native-babel-preset": "^0.58.0",
+    "metro-react-native-babel-preset": "0.58.0",
     "pre-commit": "1.2.2",
     "react-test-renderer": "16.11.0"
   },