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Docs: babel-preset-react-app opts of @babel/plugin-transform-runtime #8259

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Docs: babel-preset-react-app opts of @babel/plugin-transform-runtime
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@aixfox
aixfox authored Dec 30, 2019
commit fb1d085dffce9beb50027c59d908d2d26c3a4a20
24 changes: 24 additions & 0 deletions packages/babel-preset-react-app/README.md
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Expand Up @@ -51,3 +51,27 @@ Make sure you have a `tsconfig.json` file at the root directory. You can also us
"presets": [["react-app", { "flow": false, "typescript": true }]]
}
```

## Opts of @babel/plugin-transform-runtime

### opts.useESModules
`boolean`, defaults to `isEnvDevelopment || isEnvProduction`

```javascript
const env = process.env.BABEL_ENV || process.env.NODE_ENV;
var isEnvDevelopment = env === 'development';
var isEnvProduction = env === 'production';
```

### opts.helpers
`boolean`, defaults to `true`

### opts.absoluteRuntime
`boolean`, defaults to `true`

```javascript
// node_modules/babel-preset-react-app/create.js
absoluteRuntimePath = path.dirname(
require.resolve('@babel/runtime/package.json')
);
```