javascript - How do I reactively subscribe to something based on user info in Meteor with React? -

i'm having huge problem meteor.user(), (i believe) since i'm running server side rendering.

i want subscribe based on user's email, don't know how. here's how subscribe:

const mycomponent = react.createclass({       mixins: [reactmeteordata],      getmeteordata() {         let data = {}         let handle = meteor.subscribe('keypairs', this.props._id)         if (handle.ready()) {             data.keypair = keypairs.findone()             // add data.currentuser = meteor.user() here if need later         }     }, }) 

but do if want subscribe based on meteor.user(), i.e. let handle = meteor.subscribe('keypairs', meteor.user().emails[0].address) (will not work)?

you should never pass user information client method or subscription since server knows user is!

just do:

meteor.subscribe('keypairs'); 

and on server:

meteor.publish('keypairs',function(){   const user = meteor.users.findone(this.userid);   if ( user ){     const email = user.emails[0].address;     ... thing     return keypairs.find(query,options);   }   this.ready(); });