4

I trying to add a router react native navigation v2 to this starter project on react-native, but I have a problem that is connected with babel package (probably). When I run 

react-native run-android

I have this error in Metro Bundler:

loading dependency graph, done. : bundling failed: Error: [BABEL] D:\react—native\projecti\index.js: .overr ides is not allowed in preset options

at Object.keys.forEach.key (D:\react—native\projecti\node_modules\metro\node odules\Obabel\core\lib\config\validation\options.js:71:13) at Array.forEach () at validate (D:\react—native\projecti\node_modules\metro\node_modules\nabel core\lib\config\validation\options.js:69:21) at instantiatePreset (D:\react—native\projecti\node_modules\metro\node_modul s\l@babel\core\lib\config\full.js:242:36) at cachedFunction (D:\react—native\projecti\node_modules\metro\node_modules\ babel\core\lib\config\caching.js:42:19) at loadPresetDescriptor (D:\react—native\projecti\node_modules\metro\node_mo Iules\ftabel\core\lib\config\full.js:233:45) at config.presets.map.descriptor (D:\react—native\projecti\node_modules\metr I\node_modules\ftabel\core\lib\config\full.js:68:19) at Array.map () at recurseDescriptors (D:\react—native\projecti\node_modules\metro\node_modu les\Obabel\core\lib\config\full.js:66:38)

Building in console ended successfully.

My package.json

{
  "name": "project1",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start",
    "test": "jest",
    "android": "cd ./android && ./gradlew app:assembleDebug && ./gradlew installDebug"
  },
  "dependencies": {
    "@babel/runtime": "^7.1.2",
    "react": "16.5.0",
    "react-native": "0.56",
    "react-native-navigation": "^2.0.2569"
  },
  "devDependencies": {
    "@babel/core": "^7.1.0",
    "@babel/preset-env": "^7.1.0",
    "babel-eslint": "^9.0.0",
    "babel-jest": "^23",
    "babel-preset-react-native": "^5",
    "jest": "23.6.0",
    "metro-react-native-babel-preset": "0.47.0",
    "react-test-renderer": "16.5.0"
  },
  "jest": {
    "preset": "react-native"
  }
}

.babelrc

{
  "presets": [
    "@babel/preset-env",
    "module:metro-react-native-babel-preset"
  ]
}
Greenonline
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Kirill Cherkalov
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1 Answers1

6

It seems that you have RN 0.56 which used some beta versions of babel.

I see you have 2 solutions:

1) Keep RN 0.56 and set correct babel deps

For RN 0.56 you need to ensure all the @babel/* deps are fixed at version 7.0.0-beta.47 (Please see the change log of 0.56 for those)

2) Upgrade your project to RN 0.57

To be able to use latest babel 7 dependencies you will have to migrate your project to RN 0.57.

This is what I have for a 0.57.1 project:

"dependencies": {
    "react": "16.5.0",
    "react-native": "0.57.1",
    .......
  }

  "devDependencies": {
    "@babel/core": "^7.0.0",
    "@babel/plugin-proposal-class-properties": "^7.0.0",
    "@babel/plugin-proposal-decorators": "^7.0.0",
    "@babel/plugin-proposal-do-expressions": "^7.0.0",
    "@babel/plugin-proposal-export-default-from": "^7.0.0",
    "@babel/plugin-proposal-export-namespace-from": "^7.0.0",
    "@babel/plugin-proposal-function-bind": "^7.0.0",
    "@babel/plugin-proposal-function-sent": "^7.0.0",
    "@babel/plugin-proposal-json-strings": "^7.0.0",
    "@babel/plugin-proposal-logical-assignment-operators": "^7.0.0",
    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.0.0",
    "@babel/plugin-proposal-numeric-separator": "^7.0.0",
    "@babel/plugin-proposal-object-rest-spread": "^7.0.0",
    "@babel/plugin-proposal-optional-chaining": "^7.0.0",
    "@babel/plugin-proposal-pipeline-operator": "^7.0.0",
    "@babel/plugin-proposal-throw-expressions": "^7.0.0",
    "@babel/plugin-syntax-dynamic-import": "^7.0.0",
    "@babel/plugin-syntax-import-meta": "^7.0.0",
    "@babel/plugin-syntax-object-rest-spread": "^7.0.0",
    "@babel/plugin-transform-runtime": "^7.0.0",
    "@babel/preset-env": "^7.0.0",
    "@babel/preset-flow": "^7.0.0",
    "@babel/register": "^7.0.0",
    "babel-core": "^7.0.0-bridge.0",
    "babel-preset-react-native-stage-0": "^1.0.1",
    .....

}

Important: update .babelrc configuration to:

{
    "presets": ["module:metro-react-native-babel-preset"]
}

More info about RN 0.56, 0.57 change log here:

https://github.com/react-native-community/react-native-releases/blob/master/CHANGELOG.md

More info about babel 7 deps here:

https://new.babeljs.io/docs/en/next/v7-migration.html#versioning-dependencies-blog-2017-12-27-nearing-the-70-releasehtml-peer-dependencies-integrations https://github.com/babel/babel-upgrade

More info about upgrading a RN project to babel 7 here:

React native upgrade from babel 6 to babel 7

Note: make sure you remove all node_modules and re-install them and clean local cache after babel versions modifications.

rm -rf $TMPDIR/react-*; rm -rf $TMPDIR/haste-*; rm -rf $TMPDIR/metro-*; watchman watch-del-all

Florin Dobre
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