73 lines
1.9 KiB
TypeScript
73 lines
1.9 KiB
TypeScript
type ToastOptions = { message: string; duration?: number; variant?: "default" | "destructive" };
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/** Return the toast container element. */
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const toastContainer = (): HTMLElement | null => document.querySelector("#toast-container");
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/** Show a toast notification with optional auto-dismiss. Exposed globally via window.showToast. */
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const showToast = ({ message, duration = 3000, variant = "default" }: ToastOptions): void => {
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const container = toastContainer();
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const template = document.querySelector("#toast-template") as HTMLTemplateElement | null;
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if (!container || !template) {
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return;
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}
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const toast = (template.content.cloneNode(true) as DocumentFragment)
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.firstElementChild as HTMLElement;
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if (!toast) {
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return;
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}
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toast.dataset.variant = variant;
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toast.setAttribute("role", "status");
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toast.setAttribute("aria-live", "polite");
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const messageEl = toast.querySelector(".toast-message");
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const closeBtn = toast.querySelector(".toast-close");
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if (messageEl) {
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messageEl.textContent = message;
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}
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let removed = false;
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let dismissTimeout: number | undefined;
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let removeTimeout: number | undefined;
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const remove = (): void => {
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if (removed) {
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return;
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}
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removed = true;
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if (typeof dismissTimeout === "number") {
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window.clearTimeout(dismissTimeout);
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}
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if (typeof removeTimeout === "number") {
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window.clearTimeout(removeTimeout);
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}
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toast.remove();
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};
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closeBtn?.addEventListener("click", remove);
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container.append(toast);
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// trigger entrance animation
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requestAnimationFrame(() => {
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toast.classList.remove("translate-y-2", "opacity-0");
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});
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// auto-dismiss with exit animation
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dismissTimeout = window.setTimeout(() => {
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toast.classList.add("translate-y-2", "opacity-0");
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removeTimeout = window.setTimeout(remove, 300);
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}, duration);
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};
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declare global {
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interface Window {
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showToast: typeof showToast;
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}
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}
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window.showToast = showToast;
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export {};
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