Same-origin Packages

Checks if two URLs pass the "same origin"-policy (RFC 6454)

Validate URLs for sane values

Check if two URLs are same origin, for Node and the browser

The PWA launcher for react-declarative

The PWA CI/CD build server for react-declarative

HTTP cross-origin resource policy(CORP) middleware

HTTP cross-origin resource sharing(CORS) middleware

Secure and powerful promise-based messaging with iframes

A same-origin storage for cross-domain access using Session Storage.