webNfcPermissionState

webNfcPermissionState(
  windowRef?: () => WebNfcWindow | undefined,
): Promise<WebNfcPermissionState>

type WebNfcPermissionState = "granted" | "prompt" | "denied" | "unsupported"

import { webNfcPermissionState } from "@endstate-sdk/web";

const state = await webNfcPermissionState();
if (state === "unsupported") {
  // No in-page scanner here; rely on the redirect source.
} else if (state === "denied") {
  // Only the browser's site settings can re-enable it.
} else {
  // "granted" or "prompt": offer the scan from a control the user presses.
}