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Simple Lua text editor using Hightlight.js
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="content-type" content="text/html; charset=UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>Lua editor with Syntax highlighting</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.2.0/umd/react.production.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.2.0/umd/react-dom.production.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/languages/lua.min.js"></script> | |
| <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/solarized-dark.min.css"> | |
| <style> | |
| .editor__input-area { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| outline: 0; | |
| margin: 0; | |
| border: 0; | |
| border-radius: 0; | |
| padding: 0; | |
| width: 100%; | |
| height: 100%; | |
| font-family: monospace; | |
| font-size: 24px; | |
| color: #fff; | |
| -webkit-text-fill-color: transparent; | |
| white-space: nowrap; | |
| overflow: auto; | |
| background-color: #002b36; | |
| } | |
| .editor__output-area { | |
| position: absolute; | |
| overflow: hidden; | |
| top: 0; | |
| left: 0; | |
| width: 100%; | |
| height: 100%; | |
| pointer-events: none; | |
| } | |
| .editor__output-area-wrapper { | |
| position: absolute; | |
| left: 0; | |
| width: 100%; | |
| height: 100%; | |
| margin: 0; | |
| padding: 0; | |
| } | |
| .editor__output-area-body { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| width: 100%; | |
| height: 100%; | |
| margin: 0; | |
| padding: 0; | |
| font-size: 24px; | |
| background: transparent; | |
| overflow: visible; | |
| } | |
| </style> | |
| </head> | |
| <script type="text/babel" data-presets="es2017,react"> | |
| hljs.initHighlightingOnLoad(); | |
| class Editor extends React.PureComponent { | |
| state = { | |
| text: '', | |
| scrollTop: 0, | |
| scrollLeft: 0, | |
| }; | |
| highlight = () => { | |
| if (this.codeElement) { | |
| hljs.highlightBlock(this.codeElement); | |
| } | |
| }; | |
| onChangeText = ({target}) => { | |
| this.setState({text: target.value}, this.highlight); | |
| }; | |
| onScroll = ({target}) => { | |
| this.setState({ | |
| scrollTop: target.scrollTop, | |
| scrollLeft: target.scrollLeft, | |
| }); | |
| }; | |
| setCodeElement = (element) => { | |
| this.codeElement = element; | |
| } | |
| render() { | |
| return ( | |
| <React.Fragment> | |
| <textarea | |
| className="editor__input-area" | |
| spellCheck={false} | |
| autoComplete="off" | |
| autoCorrect="off" | |
| autoCapitalize="none" | |
| value={this.state.text} | |
| onChange={this.onChangeText} | |
| onScroll={this.onScroll} | |
| /> | |
| <div className="editor__output-area"> | |
| <pre | |
| className="editor__output-area-wrapper" | |
| style={{ | |
| top: -this.state.scrollTop, | |
| left: -this.state.scrollLeft, | |
| }} | |
| > | |
| <code | |
| ref={this.setCodeElement} | |
| className="editor__output-area-body lua" | |
| > | |
| {this.state.text} | |
| </code> | |
| </pre> | |
| </div> | |
| </React.Fragment> | |
| ); | |
| } | |
| } | |
| ReactDOM.render( | |
| <Editor />, | |
| document.getElementById('container') | |
| ); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="container"></div> | |
| </body> | |
| </html> |
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