Tips for customizing babel's preset plugin configurations

I've integrated babel-preset-react-app into my project with the following .babelrc configuration:

{
  "presets": ["react-app"],
  "plugins": [
    "transform-es2015-modules-commonjs",
    "transform-async-generator-functions"
  ]
}

Currently, I'm facing a challenge in customizing the options for babel-plugin-transform-runtime. Despite my attempts to install the plugin and modify the .babelrc as shown below:

{
  "presets": ["react-app"],
  "plugins": [
    ["babel-plugin-transform-runtime", {
      "helpers": false,
      "polyfill": false,
      "regenerator": false
    }],
    "transform-es2015-modules-commonjs",
    "transform-async-generator-functions"
  ]
}

This approach doesn't seem to be effective for me.

Is there an alternative method I can explore without having to manually copy and paste the entire preset into my .babelrc file?

javascriptwebpackbabeljscreate-react-appbabel-plugin

Answer №1

It appears that the current version of Babel does not have built-in support for these types of overrides as discussed in this GitHub issue. Fortunately, a workaround has been discovered specifically for the babel-preset-react-app. An undocumented option called useESModules can be utilized:

['react-app', { useESModules: false }]

Below is a configuration using babel-plugin-react-app that functions effectively with node.js:


    presets: [
        ['react-app', { useESModules: false }],
        [
            '@babel/preset-env',
            {
                modules: 'commonjs',
                targets: {
                    node: 'current',
                },
            },
        ],
    ],

It is recommended to stick with using babel-preset-react-app if you are utilizing create-react-app for your client-side bundling. However, if you are not using create-react-app, then simply consider using @babel/preset-react directly, eliminating the need for overriding the useESModules setting.

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