All files / src/scripts find-us-badge.ts

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96.15% Branches 25/26
100% Functions 8/8
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// /find-us-badge copy buttons and the light/dark badge toggle.
//
// One delegated click listener on document, bound once at module load, so it
// survives ClientRouter view-transition navigations without per-page wiring
// (same pattern as pro-signup-cta.ts). Every copy click fires a GA4
// `badge_copy` event via GTM — see apps/marketplace/CLAUDE.md §Analytics.
 
import { pushDataLayerEvent } from "../lib/gtm";
 
const ROOT = "[data-find-us-badge]";
const FLASH_MS = 2000;
const flashTimers = new WeakMap<HTMLElement, ReturnType<typeof setTimeout>>();
 
/** Clipboard API first; a hidden-textarea execCommand copy as the fallback. */
export async function copyText(text: string): Promise<boolean> {
	try {
		if (navigator.clipboard?.writeText) {
			await navigator.clipboard.writeText(text);
			return true;
		}
	} catch {
		// Denied or unavailable (insecure context, older WebViews) — fall back.
	}
	return legacyCopy(text);
}
 
function legacyCopy(text: string): boolean {
	const textarea = document.createElement("textarea");
	textarea.value = text;
	// readonly keeps the iOS keyboard closed; 16px stops iOS zooming in.
	textarea.setAttribute("readonly", "");
	textarea.style.cssText =
		"position:fixed;top:0;left:-9999px;opacity:0;font-size:16px";
	document.body.appendChild(textarea);
	textarea.select();
	textarea.setSelectionRange(0, text.length);
	let ok = false;
	try {
		ok = document.execCommand("copy");
	} catch {
		ok = false;
	}
	textarea.remove();
	return ok;
}
 
function closestInRoot<T extends HTMLElement>(
	target: EventTarget | null,
	selector: string,
): T | null {
	if (!(target instanceof Element)) return null;
	const el = target.closest<T>(selector);
	return el?.closest(ROOT) ? el : null;
}
 
function flash(button: HTMLElement, message: string): void {
	const label =
		button.querySelector<HTMLElement>("[data-copy-label]") ?? button;
	// Remember the resting label once, so rapid repeat clicks restore it.
	label.dataset.label ??= label.textContent ?? "";
	const original = label.dataset.label;
	label.textContent = message;
	const status = document.querySelector<HTMLElement>(
		`${ROOT} [data-copy-status]`,
	);
	if (status) status.textContent = message;
 
	clearTimeout(flashTimers.get(button));
	flashTimers.set(
		button,
		setTimeout(() => {
			label.textContent = original;
			if (status) status.textContent = "";
		}, FLASH_MS),
	);
}
 
export async function handleCopy(button: HTMLElement): Promise<void> {
	const root = button.closest<HTMLElement>(ROOT);
	pushDataLayerEvent("badge_copy", {
		snippet_type: button.dataset.snippetType,
		pro_slug: root?.dataset.proSlug || "none",
		page_path: window.location.pathname,
	});
	const ok = await copyText(button.dataset.copyText ?? "");
	flash(button, ok ? "Copied" : "Couldn't copy");
}
 
export function selectBadgeTheme(button: HTMLElement): void {
	const theme = button.dataset.badgeTheme;
	const section = button.closest<HTMLElement>("[data-badge-section]");
	if (!section) return;
	for (const b of section.querySelectorAll("[data-badge-theme]")) {
		b.setAttribute("aria-pressed", String(b === button));
	}
	for (const panel of section.querySelectorAll<HTMLElement>(
		"[data-badge-panel]",
	)) {
		panel.hidden = panel.dataset.badgePanel !== theme;
	}
}
 
export function handleClick(e: MouseEvent): void {
	const copyButton = closestInRoot(e.target, "button[data-copy-text]");
	if (copyButton) {
		void handleCopy(copyButton);
		return;
	}
	const themeButton = closestInRoot(e.target, "button[data-badge-theme]");
	if (themeButton) selectBadgeTheme(themeButton);
}
 
document.addEventListener("click", handleClick);