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Overview

webpack-react-component-name is a Webpack plugin that makes your custom React components visible within React Dev Tools and accessible by the React selector logic built into Reflect.

Note: This branch contains the version of this plugin that is compatible with Webpack 5. For support for Webpack 4, see version 4.x of this plugin in our Releases list.

Normally React component names are minified during compilation. This plugin makes these component names available in production bundles by hooking into Webpack's compilation process, traversing the AST looking for React component definitions, and updating the emitted source code to populate the displayName property. This is the property that, when populated, is used by the React Dev Tools extension to determine the name of a component.

Since we emit a displayName property value for each React component definition (critically, not every React component instance), using this plugin will result in a small size increase to your production bundles.

Installation

  1. Install via npm:
npm install webpack-react-component-name -save-dev
  1. Add the plugin to your Webpack configuration:
  plugins: [
    new WebpackReactComponentNamePlugin()
  ],

Options

{
  "parseDependencies": false,
  "include": [],
  "exclude": []
}

parseDependencies

Type: boolean Default: false

If set true, the plugin will name the components exported from node_modules.

include

Type: (string | RegExp | (path: string) => boolean)[] Default: []

If the path matches any of the elements in this array, it will be included if it isn't explicitly excluded.

If the item is a string, it will use standard glob syntax. If the item is a Regular Expression, the path will be tested against it. If the item is a function, the path will be passed into it for testing.

exclude

Type: (string | RegExp | (path: string) => boolean)[] Default: []

If the path matches any of the elements in this array, it will be excluded.

If the item is a string, it will use standard glob syntax. If the item is a Regular Expression, the path will be tested against it. If the item is a function, the path will be passed into it for testing.

A truthy result will be excluded.

Troubleshooting

As you probably know, there is more than one way to define a React component. This plugin attempts to detect every possible way of defining a component, but there may be some we've missed. See the /examples directory and the unit tests for examples of the different permutations of React component definitions that we currently support.

If we are not detecting one of your components, please either file an Issue containing example source for a component which is not detected, or feel free to open a PR with the fix.

License

This project is licensed under the terms of the MIT license.

About

Webpack plugin that makes your custom React components visible within React Dev Tools and accessible by the React selector logic built into Reflect

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