Function getTokenExpiry

Retrieves the token expiration timestamp

Gets the expiration time for the current access token. Dynamically imports the token module to avoid circular dependencies.

This function:

• Attempts to retrieve expiry from memory state first
• Falls back to secure storage if not in memory
• Rehydrates memory state from storage when needed
• Returns null if no expiry information exists
• Provides time in milliseconds since epoch format

// Check if token expires soon and needs refresh
const expiry = await getTokenExpiry();
if (expiry) {
  const timeUntilExpiry = expiry - Date.now();
  if (timeUntilExpiry < 300000) { // Less than 5 minutes
    await refreshAccessToken();
  }
}
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export async function getTokenExpiry(): Promise<number | null> {
  const mod = await import("./storage/token-operations");
  return mod.getTokenExpiry();
}
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