hooks useInputFieldFocusListener.tsx

6.66% Statements 1/15

0% Branches 0/6

0% Functions 0/5

8.33% Lines 1/12

Press n or j to go to the next uncovered block, b, p or k for the previous block.


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33  
 
3x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  import { RefObject, useEffect } from "react";
 
const useInputFieldFocusListener = ({
  inputRef,
  onFocus,
  autofocus,
}: {
  inputRef: RefObject<HTMLInputElement>;
  onFocus?: (isFocused: boolean) => void;
  autofocus?: boolean;
}) => {
  useEffect(() => {
    const inputElement = inputRef.current;
 
    if (inputElement && onFocus) {
      const focusCb = () => onFocus(true);
      const blurCb = () => onFocus(false);
 
      inputElement.addEventListener("focus", focusCb);
      inputElement.addEventListener("blur", blurCb);
 
      if (autofocus) focusCb();
 
      return () => {
        inputElement.removeEventListener("focus", focusCb);
        inputElement.removeEventListener("blur", blurCb);
      };
    }
  }, []);
};
 
export default useInputFieldFocusListener;