toosoon-utils/lib/dom.js

Utility functions & classes

const DOCUMENT_NODE_TYPE = 9;
/**
 * Find the closest parent that matches a selector
 *
 * @param {Element|null} element Target element
 * @param {Element|null|string} selector Selector or parent to match
 * @returns {Element|null}
 */
export function closest(element, selector) {
    let current = element;
    while (current && current.nodeType !== DOCUMENT_NODE_TYPE) {
        if ((typeof selector === 'string' && current.matches(selector)) || current === selector) {
            return current;
        }
        current = current.parentElement;
    }
    return current;
}