React Textarea Code Editor

A simple code editor with syntax highlighting. This library aims to provide a simple code editor with syntax highlighting support without any of the extra features, perfect for simple embeds and forms where users can submit code.

Features:

• ☕️ Automatic syntax highlighting.
• 🐲 Automatic indent on new lines.
• 🩲 Indent line or selected text by pressing tab key, with customizable indentation.
• 🌸 Wrap selected text in parens, [], (), <>, {}, "", '', "", ``
• 💡 Support next.js, Use examples in next.js.

Install

$ npm i @uiw/react-textarea-code-editor

Usage

import CodeEditor from '@uiw/react-textarea-code-editor';

function App() {
  const [code, setCode] = React.useState(
    `function add(a, b) {\n  return a + b;\n}`
  );
  return (
    <CodeEditor
      value={code}
      language="js"
      placeholder="Please enter JS code."
      onChange={(evn) => setCode(evn.target.value)}
      padding={15}
      style={{
        fontSize: 12,
        backgroundColor: "#f5f5f5",
        fontFamily: 'ui-monospace,SFMono-Regular,SF Mono,Consolas,Liberation Mono,Menlo,monospace',
      }}
    />
  );
}

Support Nextjs

Use examples in nextjs. #31

npm install next-remove-imports
npm install @uiw/[email protected]

// next.config.js
const removeImports = require("next-remove-imports")();
module.exports = removeImports({
  experimental: { esmExternals: true }
});

import React from "react";
import dynamic from "next/dynamic";
import "@uiw/react-textarea-code-editor/dist.css";

const CodeEditor = dynamic(
  () => import("@uiw/react-textarea-code-editor").then((mod) => mod.default),
  { ssr: false }
);

function HomePage() {
  const [code, setCode] = React.useState(
    `function add(a, b) {\n  return a + b;\n}`
  );
  return (
    <div>
      <CodeEditor
        value={code}
        language="js"
        placeholder="Please enter JS code."
        onChange={(evn) => setCode(evn.target.value)}
        padding={15}
        style={{
          fontSize: 12,
          backgroundColor: "#f5f5f5",
          fontFamily:
            "ui-monospace,SFMono-Regular,SF Mono,Consolas,Liberation Mono,Menlo,monospace"
        }}
      />
    </div>
  );
}

export default HomePage;

Props

interface TextareaCodeEditorProps extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {
  prefixCls?: string;
  /**
   * Set what programming language the code belongs to.
   */
  language?: string;
  /**
   * Optional padding for code. Default: `10`.
   */
  padding?: number;
  /**
   * rehypePlugins (Array.<Plugin>, default: `[[rehypePrism, { ignoreMissing: true }]]`)  
   * List of [rehype plugins](https://github.com/rehypejs/rehype/blob/main/doc/plugins.md#list-of-plugins) to use. See the next section for examples on how to pass options
   */
  rehypePlugins?: PluggableList;
  /**
   * The minimum height of the editor. Default: `16`.
   */
  minHeight?: number;
  onKeyDown?: (event: React.KeyboardEvent<HTMLTextAreaElement>) => void | boolean;
}

List of supported languages can be found here

Demo

https://uiwjs.github.io/react-textarea-code-editor/

Development

Runs the project in development mode.

# Step 1, run first, listen to the component compile and output the .js file
# listen for compilation output type .d.ts file
npm run watch
# Step 2, development mode, listen to compile preview website instance
npm run start

production

Builds the app for production to the build folder.

npm run build

The build is minified and the filenames include the hashes. Your app is ready to be deployed!

See Also

• @uiw/react-codemirror: CodeMirror component for React.
• @uiw/react-md-editor: A simple markdown editor with preview, implemented with React.js and TypeScript.
• @uiw/react-monacoeditor: Monaco Editor component for React.
• @uiw/react-markdown-editor: A markdown editor with preview, implemented with React.js and TypeScript.
• @uiw/react-markdown-preview: React component preview markdown text in web browser.

Contributors

As always, thanks to our amazing contributors!

Made with github-action-contributors.

License

Licensed under the MIT License.