src/js/extensions/mark/mark.js
function getHelper() {
    let helper;

    if (editor.isViewer()) {
      helper = vmh;
    } else if (editor.isWysiwygMode()) {
      helper = wmh;
    } else {
      helper = mmh;
    }

    return helper;
  }
function getHelper() {
    let helper;

    if (editor.isViewer()) {
      helper = vmh;
    } else if (editor.isWysiwygMode()) {
      helper = wmh;
    } else {
      helper = mmh;
    }

    return helper;
  }
function getHelper ( ) { let helper ; if ( editor . isViewer ( ) ) { helper = vmh ; } else if ( editor . isWysiwygMode ( ) ) { helper = wmh ; } else { helper = mmh ; } return helper ; }
getHelper
Get helper for current situation
@returns {object} helper
getHelper Get helper for current situation