exchange-2.0/resources/assets/vue/general/directives/closable.js

let handleOutsideClick;

export const closable = {
    bind (el, binding, vnode) {
        handleOutsideClick = (e) => {

            e.stopPropagation();

            const { handler, exclude } = binding.value;

            let clickedOnExcludedEl = false;

            exclude.forEach(refName => {
                if (!clickedOnExcludedEl) {
                    const excludedEl = vnode.context.$refs[refName];


                    if (excludedEl) {
                        clickedOnExcludedEl = excludedEl.contains(e.target)
                    }

                }
            });

            if (!el.contains(e.target) && !clickedOnExcludedEl) {
                vnode.context[handler]()
            }
        };
        document.addEventListener('click', handleOutsideClick);
        document.addEventListener('touchstart', handleOutsideClick)
    },
    unbind () {
        document.removeEventListener('click', handleOutsideClick);
        document.removeEventListener('touchstart', handleOutsideClick)
    }
};

export default { closable }