Office Whisperer

export const memoize = (provider, isExpired, requiresRefresh) => { let resolved; let pending; let hasResult; let isConstant = false; const coalesceProvider = async () => { if (!pending) { pending = provider(); } try { resolved = await pending; hasResult = true; isConstant = false; } finally { pending = undefined; } return resolved; }; if (isExpired === undefined) { return async (options) => { if (!hasResult || options?.forceRefresh) { resolved = await coalesceProvider(); } return resolved; }; } return async (options) => { if (!hasResult || options?.forceRefresh) { resolved = await coalesceProvider(); } if (isConstant) { return resolved; } if (requiresRefresh && !requiresRefresh(resolved)) { isConstant = true; return resolved; } if (isExpired(resolved)) { await coalesceProvider(); return resolved; } return resolved; }; };