64 lines
2.1 KiB
TypeScript
64 lines
2.1 KiB
TypeScript
const SidebarToggler = (): void => {
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const sidebar = document.querySelector(
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"aside[data-sidebar-toggler='sidebar']"
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) as HTMLElement;
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const toggler = document.querySelector(
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"button[data-sidebar-toggler='toggler']"
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) as HTMLButtonElement;
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const sidebarBackdrop = document.querySelector(
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"div[data-sidebar-toggler='backdrop']"
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) as HTMLDivElement;
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if (typeof sidebar.dataset.toggleClass !== "undefined") {
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const setAriaExpanded = (isExpanded: "true" | "false") => {
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toggler.setAttribute("aria-expanded", isExpanded);
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sidebarBackdrop.setAttribute("aria-expanded", isExpanded);
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};
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const hideSidebar = () => {
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setAriaExpanded("false");
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sidebar.classList.add(sidebar.dataset.toggleClass as string);
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sidebarBackdrop.classList.add("hidden");
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toggler.classList.add(toggler.dataset.toggleClass as string);
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};
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const showSidebar = () => {
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setAriaExpanded("true");
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sidebar.classList.remove(sidebar.dataset.toggleClass as string);
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sidebarBackdrop.classList.remove("hidden");
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toggler.classList.remove(toggler.dataset.toggleClass as string);
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};
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toggler.addEventListener("click", () => {
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if (sidebar.classList.contains(sidebar.dataset.hideClass as string)) {
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showSidebar();
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} else {
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hideSidebar();
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}
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});
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sidebarBackdrop.addEventListener("click", () => {
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if (!sidebar.classList.contains(sidebar.dataset.hideClass as string)) {
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hideSidebar();
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}
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});
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const setAriaExpandedOnWindowEvent = () => {
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const isExpanded =
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!sidebar.classList.contains(sidebar.dataset.hideClass as string) ||
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window.innerWidth >= 768;
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const ariaExpanded = toggler.getAttribute("aria-expanded");
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if (isExpanded && (!ariaExpanded || ariaExpanded === "false")) {
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setAriaExpanded("true");
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} else if (!isExpanded && (!ariaExpanded || ariaExpanded === "true")) {
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setAriaExpanded("false");
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}
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};
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window.addEventListener("load", setAriaExpandedOnWindowEvent);
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window.addEventListener("resize", setAriaExpandedOnWindowEvent);
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}
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};
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export default SidebarToggler;
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