JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="my_textarea"></textarea>

CSS

#my_textarea {
  resize: none;
  overflow: hidden;
}

JavaScript

$(document).on("change keyup keydown paste cut",function() {
  $("#my_textarea").css("height", "initial");
  $("#my_textarea").height($("#my_textarea")[0].scrollHeight - 4);
});