add :use-ssl sugar for setting up ssl support

src/figwheel/main.cljc

@@ -844,7 +844,7 @@ classpath. Classpath-relative paths have prefix of @ or @/")
             (apply io/file)
             (.getPath)))
 
-     (defn auto-bundle [{:keys [options ::config] :as cfg}]
+     (defn config-auto-bundle [{:keys [options ::config] :as cfg}]
        ;; we only support webpack right now
        (if (:auto-bundle config)
          (cond-> cfg
@@ -986,6 +986,18 @@ classpath. Classpath-relative paths have prefix of @ or @/")
             "figwheel-main.edn is valid \\(ツ)/"))
          (process-main-config main-edn)))
 
+     (defn config-use-ssl [{:keys [::config] :as cfg}]
+       (if (:use-ssl config)
+         (let [ssl-port (get-in config [:ring-server-options :ssl-port] figwheel.repl/default-ssl-port)]
+           (-> cfg
+               (assoc-in  [::config :ring-server-options :ssl-port] ssl-port)
+               (update-in [::config :ring-server-options :ssl?] (fnil identity true))
+               (update-in [::config :connect-url]
+                          (fnil identity (format "wss://[[config-hostname]]:%d/figwheel-connect" ssl-port)))
+               (update-in [::config :open-url]
+                          (fnil identity (format "https://[[server-hostname]]:%d" ssl-port)))))
+         cfg))
+
 ;; use tools reader read-string for better error messages
      #_(redn/read-string)
      (defn fetch-figwheel-main-edn [cfg]
@@ -1300,7 +1312,7 @@ I.E. {:closure-defines {cljs.core/*global* \"window\" ...}}"))
                          (:auto-testing (meta build-edn))
                          (update :extra-main-files assoc :auto-testing true)) }
              (merge {::build {:id build-id}})
-             auto-bundle
+             config-auto-bundle
              config-default-dirs
              config-default-final-output-to
              config-clean-outputs!)))
@@ -1716,7 +1728,8 @@ I.E. {:closure-defines {cljs.core/*global* \"window\" ...}}"))
             config-update-watch-dirs
             config-ensure-watch-dirs-on-classpath
             config-figwheel-mode?
-            auto-bundle
+            config-auto-bundle
+            config-use-ssl
             config-default-dirs
             config-default-final-output-to
             validate-output-paths-relationship!

src/figwheel/main/schema/config.clj

@@ -751,6 +751,30 @@ Default value is nil
     :clean-outputs true"
   :group :common)
 
+(s/def ::use-ssl boolean?)
+
+(def-spec-meta ::use-ssl
+  :doc "Takes a boolean value that if true indicates that
+figwheel.main should configure its server to use https.
+
+This mainly adds default `:ring-server-options` for
+
+    :ssl? true
+    :ssl-port 9533
+
+This also changes the default `:connect-url` to
+`wss://[[config-hostname]]:<ssl-port>/figwheel-connect` and the
+default `:open-url` to `https://[[server-hostname]]:<ssl-port>` where
+`<ssl-port>` is replaced with the `:ssl-port` from
+`:ring-server-options`.
+
+To complete your SSL configuration you will need to provide a
+certificate and keys to options to `:ring-server-options` via a Java
+KeyStore.
+
+    :keystore <path to java keystore>
+    :password <password to the java keystore>"
+  :group :common)
 
 ;; ------ Uncommon options ----------------------------------
 
@@ -939,6 +963,7 @@ be useful for certain docker environments.
      ::final-output-to
      ::auto-bundle
      ::clean-outputs
+     ::use-ssl
 
      ::cljsjs-resources