Phpcs coding standard issue

FILE: /home/drupal/d9-open/scroll_top_button/js/scroll.top.button.js
------------------------------------------------------------------------------------------------
FOUND 12 ERRORS AFFECTING 12 LINES
------------------------------------------------------------------------------------------------
  5 | ERROR | [x] Whitespace found at end of line
 12 | ERROR | [x] Functions must not contain multiple empty lines in a row; found 2 empty lines
 13 | ERROR | [x] Whitespace found at end of line
 16 | ERROR | [x] Whitespace found at end of line
 25 | ERROR | [x] Whitespace found at end of line
 31 | ERROR | [x] TRUE, FALSE and NULL must be uppercase; expected "FALSE" but found "false"
 39 | ERROR | [x] Whitespace found at end of line
 50 | ERROR | [x] TRUE, FALSE and NULL must be uppercase; expected "TRUE" but found "true"
 55 | ERROR | [x] TRUE, FALSE and NULL must be uppercase; expected "FALSE" but found "false"
 66 | ERROR | [x] Whitespace found at end of line
 69 | ERROR | [x] Whitespace found at end of line
 70 | ERROR | [x] Expected 1 newline at end of file; 0 found
------------------------------------------------------------------------------------------------