CodeMirror component for React. Demo Preview: @uiwjs.github.io/react-codemirror
Features:
🚀 Quickly and easily configure the API.
🌱 Versions after @uiw/react-codemirror@v4
use codemirror 6. #88.
⚛️ Support the features of React Hook(requires React 16.8+).
📚 Use Typescript to write, better code hints.
🌐 The bundled version supports use directly in the browser #267.
🌎 There are better sample previews.
Not dependent on uiw.
npm install @uiw/react-codemirror --save
import React from 'react';
import CodeMirror from '@uiw/react-codemirror';
import { javascript } from '@codemirror/lang-javascript';
function App() {
return (
<CodeMirror
value="console.log('hello world!');"
height="200px"
extensions={[javascript({ jsx: true })]}
onChange={(value, viewUpdate) => {
console.log('value:', value);
}}
/>
);
}
export default App;
import CodeMirror from '@uiw/react-codemirror';
import { StreamLanguage } from '@codemirror/language';
import { go } from '@codemirror/legacy-modes/mode/go';
const goLang = `package main
import "fmt"
func main() {
fmt.Println("Hello, 世界")
}`;
export default function App() {
return (
<CodeMirror
value={goLang}
height="200px"
extensions={[StreamLanguage.define(go)]}
onChange={(value, viewUpdate) => {
console.log('value:', value);
}}
/>
);
}
=>@codemirror/legacy-modes/mode/cpp
@codemirror/lang-cpp
=>@codemirror/legacy-modes/mode/html
@codemirror/lang-html
=>@codemirror/legacy-modes/mode/java
@codemirror/lang-java
=>@codemirror/legacy-modes/mode/javascript
@codemirror/lang-javascript
=>@codemirror/legacy-modes/mode/json
@codemirror/lang-json
=>@codemirror/legacy-modes/mode/lezer
@codemirror/lang-lezer
=>@codemirror/legacy-modes/mode/markdown
@codemirror/lang-markdown
=>@codemirror/legacy-modes/mode/php
@codemirror/lang-php
=>@codemirror/legacy-modes/mode/python
@codemirror/lang-python
=>@codemirror/legacy-modes/mode/rust
@codemirror/lang-rust
=>@codemirror/legacy-modes/mode/sql
@codemirror/lang-sql
=>@codemirror/legacy-modes/mode/xml
@codemirror/lang-xml
Markdown language code is automatically highlighted.
import CodeMirror from '@uiw/react-codemirror';
import { markdown, markdownLanguage } from '@codemirror/lang-markdown';
import { languages } from '@codemirror/language-data';
const code = `## Title
\`\`\`jsx
function Demo() {
return <div>demo</div>
}
\`\`\`
\`\`\`bash
# Not dependent on uiw.
npm install @codemirror/lang-markdown --save
npm install @codemirror/language-data --save
\`\`\`
[weisit ulr](https://uiwjs.github.io/react-codemirror/)
\`\`\`go
package main
import "fmt"
func main() {
fmt.Println("Hello, 世界")
}
\`\`\`
`;
export default function App() {
return <CodeMirror value={code} extensions={[markdown({ base: markdownLanguage, codeLanguages: languages })]} />;
}
import { useEffect, useRef } from 'react';
import { useCodeMirror } from '@uiw/react-codemirror';
import { javascript } from '@codemirror/lang-javascript';
const code = "console.log('hello world!');\n\n\n";
export default function App() {
const editor = useRef();
const { setContainer } = useCodeMirror({
container: editor.current,
extensions: [javascript()],
value: code,
});
useEffect(() => {
if (editor.current) {
setContainer(editor.current);
}
}, [editor.current]);
return <div ref={editor} />;
}
import { oneDark } from '@codemirror/theme-one-dark';
import CodeMirror from '@uiw/react-codemirror';
import { javascript } from '@codemirror/lang-javascript';
export default function App() {
return (
<CodeMirror
value="console.log('hello world!');"
height="100%"
theme={oneDark}
extensions={[javascript({ jsx: true })]}
onChange={(value, viewUpdate) => {
console.log('value:', value);
}}
/>
);
}
value?: string
value of the auto created model in the editor.width?: string
width of editor. Defaults toauto
.height?: string
height of editor. Defaults toauto
.theme?
:'light'
/'dark'
/Extension
Defaults to'light'
.
import React from 'react';
import { EditorState, EditorStateConfig, Extension } from '@codemirror/state';
import { EditorView, ViewUpdate } from '@codemirror/view';
export * from '@codemirror/view';
export * from '@codemirror/basic-setup';
export * from '@codemirror/state';
export interface UseCodeMirror extends ReactCodeMirrorProps {
container?: HTMLDivElement | null;
}
export declare function useCodeMirror(props: UseCodeMirror): {
state: EditorState | undefined;
setState: import('react').Dispatch<import('react').SetStateAction<EditorState | undefined>>;
view: EditorView | undefined;
setView: import('react').Dispatch<import('react').SetStateAction<EditorView | undefined>>;
container: HTMLDivElement | null | undefined;
setContainer: import('react').Dispatch<import('react').SetStateAction<HTMLDivElement | null | undefined>>;
};
export interface ReactCodeMirrorProps
extends Omit<EditorStateConfig, 'doc' | 'extensions'>,
Omit<React.HTMLAttributes<HTMLDivElement>, 'onChange' | 'placeholder'> {
/** value of the auto created model in the editor. */
value?: string;
height?: string;
minHeight?: string;
maxHeight?: string;
width?: string;
minWidth?: string;
maxWidth?: string;
/** focus on the editor. */
autoFocus?: boolean;
/** Enables a placeholder—a piece of example content to show when the editor is empty. */
placeholder?: string | HTMLElement;
/**
* `light` / `dark` / `Extension` Defaults to `light`.
* @default light
*/
theme?: 'light' | 'dark' | Extension;
/**
* Whether to optional basicSetup by default
* @default true
*/
basicSetup?: boolean;
/**
* This disables editing of the editor content by the user.
* @default true
*/
editable?: boolean;
/**
* This disables editing of the editor content by the user.
* @default false
*/
readOnly?: boolean;
/**
* Whether to optional basicSetup by default
* @default true
*/
indentWithTab?: boolean;
/** Fired whenever a change occurs to the document. */
onChange?(value: string, viewUpdate: ViewUpdate): void;
/** Fired whenever a change occurs to the document. There is a certain difference with `onChange`. */
onUpdate?(viewUpdate: ViewUpdate): void;
/**
* Extension values can be [provided](https://codemirror.net/6/docs/ref/#state.EditorStateConfig.extensions) when creating a state to attach various kinds of configuration and behavior information.
* They can either be built-in extension-providing objects,
* such as [state fields](https://codemirror.net/6/docs/ref/#state.StateField) or [facet providers](https://codemirror.net/6/docs/ref/#state.Facet.of),
* or objects with an extension in its `extension` property. Extensions can be nested in arrays arbitrarily deep—they will be flattened when processed.
*/
extensions?: Extension[];
/**
* If the view is going to be mounted in a shadow root or document other than the one held by the global variable document (the default), you should pass it here.
* Originally from the [config of EditorView](https://codemirror.net/6/docs/ref/#view.EditorView.constructor%5Econfig.root)
*/
root?: ShadowRoot | Document;
}
export interface ReactCodeMirrorRef {
editor?: HTMLDivElement | null;
state?: EditorState;
view?: EditorView;
}
declare const ReactCodeMirror: React.ForwardRefExoticComponent<
ReactCodeMirrorProps & React.RefAttributes<ReactCodeMirrorRef>
>;
export default ReactCodeMirror;
- @uiw/react-textarea-code-editor: A simple code editor with syntax highlighting.
- @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.
- Online JSON Viewer Online JSON Viewer, JSON Beautifier to beautify and tree view of JSON data - It works as JSON Pretty Print to pretty print JSON data.
As always, thanks to our amazing contributors!
Made with github-action-contributors.
Licensed under the MIT License.