textarea highlight text code example
Example: highlight textarea
function Demo() { const highlight = [ { highlight: 'blue', enhancement: MultiColor, className: 'blue', }, { highlight: /[^ ]*berry/gi, enhancement: ToolTip, className: 'yellow', }, ] function ToolTip(props) { const content = ( < style={{ whiteSpace: "pre", overflow: "hidden", textOverflow: "ellipsis" }}> {JSON.stringify(props.data, 0, 1)} </> ) const overlayStyle = { position: "absolute", height: "50%", width: "100%", background: "transparent", zIndex: 1, } return ( <mark style={{position: "relative"}}> <Tippy content={content} maxWidth="400px"> <mark style={overlayStyle}></mark> </Tippy> <props.MarkView /> </mark> ) } function MultiColor(props) { const [color, setColor] = useState(0xff8800); const colorText = `#${color.toString(16)}` useEffect(() => { const timer = setInterval(() => setColor(0x808080 | (color + 0x081018) % 0xFFFFFF), 200) return () => clearInterval(timer) }) return <props.MarkView style={{backgroundColor: colorText}} /> }; return <HighlightWithinTextarea highlight={highlight} />;}