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VSCode Glean

The extension provides refactoring tools for your React codebase

The extension provides refactoring tools for your React codebase: extract JSX into a new component, convert Class Components to Functional Components, wrapping with Hooks and more!

Highlights

• Allows extracting JSX into new component
• Allows converting Class Components to Functional Components and vice-verse
• Allows wrapping JSX with conditional
• Allows renaming state variables and their setters simultaneously.
• Allows wrapping code with useMemo, useCallback or useEffect
• Moving code between files
• Typescript support
• ES2015 modules support
• CommonJS modules support

Installation

Go to the link below and click Install.

Visual Studio Code Market Place: Glean

Features

Extracting JSX into a new Component

Glean allows easy extraction of JSX into new React components (in the same or other file). Just select the JSX to extract, and Glean will handle all the rest:

• Generate Class or Functional Component, such that the extracted JSX will continue to function.
• It will identify all inputs to the newly created component.
• Replace extracted JSX with newly created component, while providing it with all the props.

Converting Class Component to Functional Component

Glean seamlesly automates convertion of class components to functional component, while take care of all the complexity:

• Converts setState calls to useState
• Converts componentDidMount and componentWillUnmount to useEffect
• Converts class properties to useRef
• Wraps call non-Lifecycle methods with useCallback

WARNING!!! If You are using React version older than 16.8.0, This refactoring will delete all Lifecycle methods and setState calls!

Converting Functional Component to Class Component

Rename State Variable

Rename any state variable and let Glean rename its setter accordingly for You!

Wrap with Hook (useMemo, useCallback or useEffect)

Render Conditionally

Extract to file

Select text and either VSCode's code suggestion (aka "Lightbulb") or Command Pallet ('Extract to File' command) to extract the text.

Configuration Options

glean.jsModuleSystem (Default: 'esm')

Determines how the selected code will be exported/imported. Valid options are 'esm' and 'commonjs'.

glean.jsFilesExtensions (Default: [ "js", "jsx", "ts", "tsx" ])

List of extensions of files that should be treated as javascript files. This determines whether or not the snippet will be exported and imported. The snippet will be treated as javascript only if the extension of both origin and target files appears in this list.

glean.switchToTarget (Default: false)

Determines whether VSCode should switch to target file after extracting.

glean.experiments (Default: [])

A list of enabled experimental features. Available experimental features:

glean.showConversionWarning (Default: true)

Determines whether VSCode should show conversion warning when converting Class Component to Functional Component.

Contribute

Feel free to open issues or PRs!

Getting started

In order to start working all you need to do is:

$ git clone git@github.com:wix/vscode-glean.git
$ cd vscode-glean
$ npm install
$ code .

Running Extension

• Go to VSCode debug sidebar
• Select Extension from the dropdown
• Hit F5

Running Tests

• Go to VSCode debug sidebar
• Select Extension Tests from the dropdown
• Hit F5

Commit messages

Please refer to to the following guide.