@testing-library/user-event/dist/esm/utils/focus/focus.js

Fire events the same way the user does

import { eventWrapper } from '../misc/eventWrapper.js';
import { findClosest } from '../misc/findClosest.js';
import { getActiveElement } from './getActiveElement.js';
import { isFocusable } from './isFocusable.js';
import { updateSelectionOnFocus } from './selection.js';

/**
 * Focus closest focusable element.
 */ function focus(element) {
    const target = findClosest(element, isFocusable);
    const activeElement = getActiveElement(element.ownerDocument);
    if ((target !== null && target !== void 0 ? target : element.ownerDocument.body) === activeElement) {
        return;
    } else if (target) {
        eventWrapper(()=>target.focus());
    } else {
        eventWrapper(()=>{
            var ref;
            return (ref = activeElement) === null || ref === void 0 ? void 0 : ref.blur();
        });
    }
    updateSelectionOnFocus(target !== null && target !== void 0 ? target : element.ownerDocument.body);
}

export { focus };