A websocket remote for use with Fulcro 3.0.0-beta-1+ applications.
1. Usage
Add the proper dependencies to your project. You’ll need sente, some Ring bits, and of course Fulcro 3.
1.1. Server
The server setup is mostly just standard Ring fare.
(ns my-app.websocket-server
(:require
[com.fulcrologic.fulcro.server.api-middleware :refer [not-found-handler]]
[com.fulcrologic.fulcro.networking.websockets :as fws]
[immutant.web :as web]
[ring.middleware.content-type :refer [wrap-content-type]]
[ring.middleware.not-modified :refer [wrap-not-modified]]
[ring.middleware.resource :refer [wrap-resource]]
[ring.middleware.params :refer [wrap-params]]
[ring.middleware.keyword-params :refer [wrap-keyword-params]]
[ring.util.response :refer [response file-response resource-response]]
[taoensso.sente.server-adapters.immutant :refer [get-sch-adapter]]))
(def server (atom nil))
(defn query-parser
""
[query]
;; call out to something like a pathom parser. See Fulcro Developers Guide
)
(defn http-server []
(let [websockets (fws/start! (fws/make-websockets
query-parser
{:http-server-adapter (get-sch-adapter)
;; See Sente for CSRF instructions
:sente-options {:csrf-token-fn nil}}))
middleware (-> not-found-handler
(fws/wrap-api websockets)
wrap-keyword-params
wrap-params
(wrap-resource "public")
wrap-content-type
wrap-not-modified)
result (web/run middleware {:host "0.0.0.0"
:port 3000})]
(reset! server
(fn []
(fws/stop! websockets)
(web/stop result)))))
(comment
;; start the server
(http-server)
;; stop the server
(@server))1.2. Client
The client setup is even simpler. Just add the websocket remote as one of your remotes:
(ns my-app.client-main
(:require
[com.fulcrologic.fulcro.networking.websockets :as fws]
[com.fulcrologic.fulcro.application :as app]))
(defonce app (app/fulcro-app {:remotes {:remote (fws/fulcro-websocket-remote {})}}))
