82 lines
2.2 KiB
TypeScript
82 lines
2.2 KiB
TypeScript
export {};
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interface ToastOptions {
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message: string;
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duration?: number;
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}
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/** Lazily create and return the toast container element. */
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const toastContainer = (): HTMLElement => {
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let container = document.getElementById('toast-container');
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if (!container) {
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container = document.createElement('div');
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container.id = 'toast-container';
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container.className = 'fixed bottom-4 right-4 z-[100] flex flex-col gap-2';
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container.setAttribute('role', 'status');
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container.setAttribute('aria-live', 'polite');
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container.setAttribute('aria-relevant', 'additions');
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document.body.appendChild(container);
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}
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return container;
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};
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/**
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* Show a toast notification with optional auto-dismiss.
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* Exposed globally via window.showToast.
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*/
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const showToast = ({ message, duration = 3000 }: ToastOptions): void => {
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const container = toastContainer();
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const template = document.getElementById('toast-template') as HTMLTemplateElement | null;
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if (!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) return;
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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) return;
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removed = true;
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if (typeof dismissTimeout === 'number') window.clearTimeout(dismissTimeout);
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if (typeof removeTimeout === 'number') window.clearTimeout(removeTimeout);
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toast.remove();
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};
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closeBtn?.addEventListener('click', remove);
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container.appendChild(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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