React
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import React, { useEffect, useRef, useState} from "react";
const defaultStyle = {
display: "block",
overflow: "hidden",
resize: "none",
width: "100%",
backgroundColor: "mediumSpringGreen"
};
const AutoHeightTextarea = ({ style = defaultStyle, ...etc }) => {
const textareaRef = useRef(null);
const [currentValue, setCurrentValue ] = useState("");
useEffect(() => {
textareaRef.current.style.height = "0px";
const scrollHeight = textareaRef.current.scrollHeight;
textareaRef.current.style.height = scrollHeight + "px";
}, [currentValue]);
return (
<textarea
ref={textareaRef}
style={style}
{...etc}
value={currentValue}
onChange={e=>setCurrentValue(e.target.value)}
/>
);
};
export default AutoHeightTextarea;