[英]Invariant Violation: Element type is invalid on login page react-native
[英][React-Native]Invariant Violation: Element type is invalid
當我運行一些開玩笑的測試用例時,發生了此錯誤,並且似乎是內部的node_module
錯誤,如何解決此問題?
它似乎與react-test-renderer
和fbjs
。
不變違規:元素類型無效:預期為字符串(對於內置組件)或類/函數(對於復合組件),但得到:對象。 您可能忘記了從定義文件中導出組件。
at invariant (node_modules/fbjs/lib/invariant.js:44:7)
at ReactCompositeComponentWrapper.instantiateReactComponent [as _instantiateReactComponent] (node_modules/react-test-renderer/lib/instantiateReactComponent.js:77:44)
at ReactCompositeComponentWrapper.performInitialMount (node_modules/react-test-renderer/lib/ReactCompositeComponent.js:367:16)
at ReactCompositeComponentWrapper.mountComponent (node_modules/react-test-renderer/lib/ReactCompositeComponent.js:258:13)
at Object.mountComponent (node_modules/react-test-renderer/lib/ReactReconciler.js:46:29)
at mountComponentIntoNode (node_modules/react-test-renderer/lib/ReactTestMount.js:55:27)
at ReactTestReconcileTransaction.perform (node_modules/react-test-renderer/lib/Transaction.js:140:12)
at batchedMountComponentIntoNode (node_modules/react-test-renderer/lib/ReactTestMount.js:69:23)
at ReactDefaultBatchingStrategyTransaction.perform (node_modules/react-test-renderer/lib/Transaction.js:140:12)
at Object.batchedUpdates (node_modules/react-test-renderer/lib/ReactDefaultBatchingStrategy.js:62:20)
{
"private": true,
"scripts": {
"web": "roadhog server",
"build-web": "cross-env NODE_ENV=production roadhog build",
"start": "react-native start",
"ios": "cross-env NODE_ENV=development node themes/theme.rn.config.js && react-native run-ios",
"android": "cross-env NODE_ENV=development node theme/theme.rn.config.js && react-native run-android",
"lint": "eslint --ext .js src test",
"precommit": "npm run lint && npm run test",
"test": "cross-env NODE_ENV=test jest --config .jest.config.json --no-cache --debug"
},
"engines": {
"install-node": "6.9.2"
},
"theme": "./themes/theme.web.config.js",
"dependencies": {
"antd-mobile": "^1.0.8",
"babel-runtime": "^6.9.2",
"dva": "^1.2.1",
"lodash": "^4.17.4",
"moment": "^2.18.1",
"rc-form": "^1.3.0",
"react": "15.4.2",
"react-dom": "15.4.2",
"react-native": "0.42.3",
"react-native-chart": "^1.0.8-beta",
"react-native-gesture-password": "^0.2.0",
"react-native-scrollable-tab-view": "^0.7.4",
"react-native-smart-gesture-password": "^2.1.0",
"react-navigation": "^1.0.0-beta.7",
"recharts": "^0.21.2",
"socket.io-client": "^1.7.3"
},
"devDependencies": {
"babel-eslint": "^7.1.1",
"babel-jest": "^19.0.0",
"babel-plugin-dva-hmr": "^0.3.2",
"babel-plugin-import": "^1.1.1",
"babel-plugin-transform-runtime": "^6.9.0",
"babel-preset-react-native": "^1.9.1",
"cross-env": "^4.0.0",
"eslint": "^3.12.2",
"eslint-config-airbnb": "^13.0.0",
"eslint-plugin-import": "^2.2.0",
"eslint-plugin-jsx-a11y": "^2.2.3",
"eslint-plugin-react": "^6.8.0",
"expect": "^1.20.2",
"husky": "^0.13.3",
"jest": "^19.0.2",
"less-vars-to-js": "^1.1.2",
"postcss-pxtorem": "^4.0.0",
"react-test-renderer": "15.4.2",
"redbox-react": "^1.3.2",
"roadhog": "^0.6.0-beta1"
}
}
我花了好一會兒才知道這一點……太明顯了。 我正在使用react-test-renderer
來測試index.ios.js渲染正確。 但是在我的index.ios.js中,我實際上沒有導出任何React組件,所以...
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