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October 2, 2018 14:19
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React Native 0.57 + Babel 7 + Typescript + Jest
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// babel.config.js | |
module.exports = { | |
"presets": [ | |
"module:metro-react-native-babel-preset", | |
], | |
"plugins": [ | |
["module-resolver", { | |
"root": ["./src"], | |
"extensions": [".js", ".ts", ".tsx", ".ios.js", ".android.js"] | |
}], | |
"@babel/plugin-transform-runtime", | |
], | |
"env": { | |
"production": { | |
"plugins": ["transform-remove-console"] | |
}, | |
} | |
} | |
// jest.config.js | |
module.exports = { | |
"preset": "react-native", | |
"moduleFileExtensions": [ | |
"ts", | |
"tsx", | |
"js", | |
"jsx", | |
"json" | |
], | |
"testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(js|ts)x?$", | |
"transform": { | |
"^.+\\.(js|tsx?)$": "<rootDir>/node_modules/react-native/jest/preprocessor.js", | |
}, | |
"testPathIgnorePatterns": [ | |
"\\.snap$", | |
"<rootDir>/node_modules/" | |
], | |
"cacheDirectory": ".jest/cache", | |
"transformIgnorePatterns": [ | |
"node_modules/(?!(react-native|react-navigation|react-navigation-tabs|react-navigation-redux-helpers|react-native-safari-view|react-native-linear-gradient|react-native-blur|react-native-animatable|react-native-wkwebview-reborn|react-native-safe-area-view|react-native-popup-menu|redux-persist)/)" | |
], | |
"setupFiles": [ | |
"./__mocks__/react-native.js" | |
], | |
}; | |
// package.json | |
{ | |
"name": "rn-app", | |
"version": "0.0.1", | |
"private": true, | |
"dependencies": { | |
"react": "16.5.1", | |
"react-native": "^0.57.1" | |
}, | |
"devDependencies": { | |
"jest": "^23.6.0", | |
"metro-react-native-babel-preset": "^0.47.0", | |
"@babel/plugin-transform-runtime": "^7.1.0", | |
"babel-plugin-module-resolver": "^3.1.1", | |
"babel-plugin-transform-remove-console": "^6.9.4", | |
"react-native-mock-render": "^0.1.2", | |
"typescript": "^3.0.1" | |
} | |
} | |
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Can anyone explain how this sits into Metro? I want to see my type / lint errors inside the metro terminal, just like how expo does it.