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当我遵循其他类似的报告时，无论我尝试安装什么（babel wise），都会不断收到此错误。这是堆栈跟踪：
> error: bundling failed: Error: Requires Babel "^7.0.0-0", but was > loaded with "6.26.3". If you are sure you have a compatible version of > @babel/core, it is likely that something in your build process is > loading the wrong version. Inspect the stack trace of this error to > look for the first entry that doesn't mention "@babel/core" or > "babel-core" to see what is calling Babel. (While processing preset: > "C:\\Users\\Admin-ESS\\Absent\\node_modules\\@babel\\preset-env\\lib\\index.js") > at throwVersionError (C:\Users\Admin-ESS\Absent\node_modules\@babel\preset-env\node_modules\@babel\helper-plugin-utils\lib\index.js:65:11) > at Object.assertVersion (C:\Users\Admin-ESS\Absent\node_modules\@babel\preset-env\node_modules\@babel\helper-plugin-utils\lib\index.js:13:11) > at _default (C:\Users\Admin-ESS\Absent\node_modules\@babel\preset-env\lib\index.js:150:7) > at C:\Users\Admin-ESS\Absent\node_modules\@babel\preset-env\node_modules\@babel\helper-plugin-utils\lib\index.js:19:12 > at C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\file\options\option-manager.js:317:46 > at Array.map (<anonymous>) > at OptionManager.resolvePresets (C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\file\options\option-manager.js:275:20) > at OptionManager.mergePresets (C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\file\options\option-manager.js:264:10) > at OptionManager.mergeOptions (C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\file\options\option-manager.js:249:14) > at OptionManager.init (C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\file\options\option-manager.js:368:12) > at File.initOptions (C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\file\index.js:212:65) > at new File (C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\file\index.js:135:24) > at Pipeline.transform (C:\Users\Admin-ESS\Absent\node_modules\metro\node_modules\babel-core\lib\transformation\pipeline.js:46:16) > at Object.transform (C:\Users\Admin-ESS\Absent\node_modules\metro\src\transformer.js:135:5) > at Object.transformCode [as transform] (C:\Users\Admin-ESS\Absent\node_modules\metro\src\JSTransformer\worker\index.js:253:15) > at execMethod (C:\Users\Admin-ESS\Absent\node_modules\jest-worker\build\child.js:92:29) > at process.on (C:\Users\Admin-ESS\Absent\node_modules\jest-worker\build\child.js:42:7) > at process.emit (events.js:180:13) > at emit (internal/child_process.js:783:12) > > ``` 和我的 package.json：{ “name”: “Absent”, “version”: “0.1.0”, “private”: true, “devDependencies”: { “babel-preset-react-native-stage-0”: “^1.0.1”, “jest”: “^23.5.0”, “jest-react-native”: “^18.0.0”, “react-test-renderer”: “16.3.1” }, “scripts”: { “start”: “react-native start”, “android”: “react-native run-android”, “ios”: “react-native run-ios”, “test”: “jest” }, “jest”: { “preset”: “react-native” }, “dependencies”: { “@babel/core”: “^7.0.0-rc.1”, “@babel/preset-env”: “^7.0.0-rc.1”, “@babel/preset-react”: “^7.0.0-rc.1”, “jail-monkey”: “^1.0.0”, “prop-types”: “^15.6.2”, “react”: “16.3.1”, “react-native”: “^0.55.4”, “react-native-device-info”: “^0.22.4”, “react-native-elements”: “^0.19.1”, “react-native-firebase”: “^4.3.8”, “react-native-modal”: “^6.5.0”, “react-native-router-flux”: “^4.0.1”, “react-native-size-matters”: “^0.1.2”, “react-native-vector-icons”: “^5.0.0”, “react-redux”: “^5.0.7”, “redux”: “^4.0.0”, “redux-thunk”: “^2.3.0” }, “rnpm”: { “assets”: [ “./assets/fonts/” ] } }
”`
任何指针将不胜感激在这里…
原文由 Ray Jonathan 发布，翻译遵循 CC BY-SA 4.0 许可协议
看起来您需要安装
babel-core正如文档建议的那样： https ://jestjs.io/docs/en/getting-started#using-babelyarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime