just-another-http-api/src/cors.js

A framework built on top of fastify aimed at removing the need for any network or server configuration.

exports.addCustomCors = ( handlerConfig ) => ( req, reply, done ) => {

    Object.entries ( handlerConfig.cors ).forEach ( ( [ key, value ] ) => {
        reply.header ( key, value );
    } );

    done ();

};