Spaces synchronized messages server for node js.
$ git clone https://github.com/technomada/spaces-server.git
$ cd spaces-server
$ npm i
$ npm start
where abc = messge set filter.
http://localhost:3000/about/abc
{"since":12,"series":"d2797f09-dc40-45e5-bf22-15ebf3dd9576","stats":false}
http://localhost:3000/put/abc?body=hello
{"item":25,"series":"d2797f09-dc40-45e5-bf22-15ebf3dd9576"}
http://localhost:3000/get/abc
{"list":["hi"],"since":1,"series":"d2797f09-dc40-45e5-bf22-15ebf3dd9576"}
http://localhost:3000/get/abc/1
{"list":["hi"],"since":2,"series":"d2797f09-dc40-45e5-bf22-15ebf3dd9576"}