/** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n element: '[x-arrow]',\n },\n\n /**\n * Modifier used to flip the popper's placement when it starts to overlap its\n * reference element.\n *\n * Requires the `preventOverflow` modifier before it in order to work.\n *\n * **NOTE:** this modifier will interrupt the current update cycle and will\n * restart it if it detects the need to flip the placement.\n * @memberof modifiers\n * @inner\n...

a shadow root\n if (!element.parentNode) {\n return null\n }\n\n return Util.findShadowRoot(element.parentNode)\n },\n\n jQueryDetection() {\n if (typeof $ === 'undefined') {\n throw new TypeError('Bootstrap\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\'s JavaScript.')\n }\n\n const version = $.fn.jquery.split(' ')[0].split('.')\n const minMajor = 1\n const ltMajor = 2\n const minMinor = 9\n const minPatch = 1\n const maxMajor...

a shadow root\n if (!element.parentNode) {\n return null\n }\n\n return Util.findShadowRoot(element.parentNode)\n },\n\n jQueryDetection() {\n if (typeof $ === 'undefined') {\n throw new TypeError('Bootstrap\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\'s JavaScript.')\n }\n\n const version = $.fn.jquery.split(' ')[0].split('.')\n const minMajor = 1\n const ltMajor = 2\n const minMinor = 9\n const minPatch = 1\n const maxMajor...