Microsoft Entra ID (Azure AD) authentication for React SPAs with MSAL.js and Cloudflare Workers JWT validation using jose library. Full-stack pattern with Authorization Code Flow + PKCE. Prevents 8 documented errors. Use when: implementing Microsoft SSO, troubleshooting AADSTS50058 loops, AADSTS700084 refresh token errors, React Router redirects, setActiveAccount re-render issues, or validating Entra ID tokens in Workers.
azure-auth 0.1.0 - Initial release providing Microsoft Entra ID (Azure AD) authentication for React SPAs and JWT validation in Cloudflare Workers. - Implements Authorization Code Flow with PKCE using @azure/msal-react v5 and the jose library (Cloudflare Workers compatible). - Offers mitigation guidance for 8 common MSAL/Azure AD errors, including SSO issues and token refresh problems. - Includes quick-start setup for both frontend (React) and backend (Cloudflare Workers). - Documents key breaking changes: MSAL v4→v5 migration, Azure AD B2C and ADAL retirements. - Provides step-by-step configuration, recommended patterns, and architecture overview.