@thi.ng/server/interceptors/x-origin-resource.js

Minimal HTTP server with declarative routing, static file serving and freely extensible via pre/post interceptors

const crossOriginResourcePolicy = (policy = "same-origin") => ({
  pre: (ctx) => (ctx.res.setHeader("cross-origin-resource-policy", policy), true)
});
export {
  crossOriginResourcePolicy
};