Office Whisperer

import { ProviderError } from "./ProviderError"; export const chain = (...providers) => async () => { if (providers.length === 0) { throw new ProviderError("No providers in chain"); } let lastProviderError; for (const provider of providers) { try { const credentials = await provider(); return credentials; } catch (err) { lastProviderError = err; if (err?.tryNextLink) { continue; } throw err; } } throw lastProviderError; };