如何防止每次输入后触发 select 事件？

Question

I'm trying to create a custom text editor in React, thus I've created a div which has a contentEditable attribute. Now I want to perform some action when the user selects a part of the inputted text. To do that I'm using the select event as onSelect attribute on my div. The problem is that, select event runs not only when selecting the text, but also when I click on the input box, or after any input. How can I prevent it, so that it gets fired only when the text is selected?

Component:

function EditorBody(props) {
  return (
    <div className="editor-body">
      <div
        className="text-section"
        contentEditable
        role="textbox"
        placeholder="Text goes here ..."
        onSelect={() => window.alert("You've selected a text")} // Runs after every input, not only when the text is selected
      ></div>
    </div>
  );
}

export default EditorBody;

Answer 1

You can change the logic in your onSelect to be able to determine whether or not to execute the selected logic.

onSelect={(event) => {
  if (document.getSelection().toString().length > 0) {
     // your selection logic
     window.alert(document.getSelection().toString());
  }
}} 

This way the logic will be executed only if the user is selecting something and not on other primary events that might set off the secondary select event (focus, keypress, etc).