@atlaskit/editor-plugin-toolbar/dist/es2019/ui/utils/toolbar.js

Toolbar plugin for @atlaskit/editor-core

export const isEventInContainer = (event, containerSelector) => {
  const target = event.target instanceof Element ? event.target : null;
  if (!target) {
    return false;
  }
  return !!target.closest(containerSelector);
};
export const isShortcutToFocusToolbar = event => {
  return event.altKey && event.key === 'F10';
};
export const getFocusableElements = rootNode => {
  if (!rootNode) {
    return [];
  }
  const focusableElements = rootNode.querySelectorAll('a[href], button:not([disabled]), textarea, input, select, div[tabindex="-1"], div[tabindex="0"]') || [];
  const focusableElementsArray = Array.from(focusableElements);

  // filter out focusable elements from child components such as dropdown menus / popups
  return focusableElementsArray.filter(elm => {
    const style = window.getComputedStyle(elm);

    // filter out invisible elements
    return style.visibility !== 'hidden' && style.display !== 'none';
  });
};