File size: 1,714 Bytes
187ef74 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | // Header dropdown menus (Help Center, account avatar) and the browse-place
// autosubmit. Progressive enhancement over real links: without JS every
// trigger is an ordinary <a href> and the location picker submits through
// its fallback button.
(function () {
"use strict";
var openMenu = null;
function setOpen(menu, open) {
menu.classList.toggle("is-open", open);
var trigger = menu.querySelector("[data-menu-trigger]");
if (trigger) trigger.setAttribute("aria-expanded", open ? "true" : "false");
openMenu = open ? menu : null;
}
document.querySelectorAll("[data-menu]").forEach(function (menu) {
var trigger = menu.querySelector("[data-menu-trigger]");
if (!trigger) return;
trigger.addEventListener("click", function (event) {
event.preventDefault();
var isOpen = menu.classList.contains("is-open");
if (openMenu && openMenu !== menu) setOpen(openMenu, false);
setOpen(menu, !isOpen);
});
});
document.addEventListener("click", function (event) {
if (openMenu && !openMenu.contains(event.target)) setOpen(openMenu, false);
});
document.addEventListener("keydown", function (event) {
if (event.key === "Escape" && openMenu) {
var menu = openMenu;
var trigger = menu.querySelector("[data-menu-trigger]");
setOpen(menu, false);
if (trigger) trigger.focus();
}
});
// Browsing-place <select>: submit the surrounding GET form on change so
// picking a city navigates like the source's location picker.
document.querySelectorAll("select[data-autosubmit]").forEach(function (sel) {
sel.addEventListener("change", function () {
if (sel.form) sel.form.submit();
});
});
})();
|