@aws-amplify/analytics/lib/vendor/dom-utils/closest.js

Analytics category of aws-amplify

"use strict";
/**
 * Copyright (c) 2017, Philip Walton <philip@philipwalton.com>
 */
Object.defineProperty(exports, "__esModule", { value: true });
var matches_1 = require("./matches");
var parents_1 = require("./parents");
/**
 * Gets the closest parent element that matches the passed selector.
 * @param {Element} element The element whose parents to check.
 * @param {string} selector The CSS selector to match against.
 * @param {boolean=} shouldCheckSelf True if the selector should test against
 *     the passed element itself.
 * @return {Element|undefined} The matching element or undefined.
 */
function closest(element, selector, shouldCheckSelf) {
    if (shouldCheckSelf === void 0) { shouldCheckSelf = false; }
    if (!(element && element.nodeType === 1 && selector))
        return;
    var parentElements = (shouldCheckSelf ? [element] : []).concat(parents_1.parents(element));
    for (var i = 0, parent_1; (parent_1 = parentElements[i]); i++) {
        if (matches_1.matches(parent_1, selector))
            return parent_1;
    }
}
exports.closest = closest;
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