add command set-figwheel-port

- used to set custom figwheel port in config.cljs
- fixes #151

re-natal.coffee

@@ -901,6 +901,13 @@ autoRequire = (enabled, globally = false) ->
   else
     log "Auto-Require feature is disabled in use-figwheel command"
 
+setFigwheelPort = (port, globally = false) ->
+  configFile = if globally then '.re-natal' else '.re-natal.local'
+  config = merge(readConfig(configFile, false), figwheelPort: port)
+  writeConfig(config, configFile)
+  log "Figwheel port is set to #{port}"
+  log "Please run: re-natal use-figwheel to take effect."
+
 cli._name = 're-natal'
 cli.version pkgJson.version
 
@@ -989,6 +996,12 @@ cli.command 'enable-source-maps'
   .action () ->
     patchReactNativePackager()
 
+cli.command 'set-figwheel-port <port>'
+  .description 'configures the port of figwheel server (port 3449 is default)'
+  .option '-g --global', 'use global .re-natal config instead of .re-natal.local'
+  .action (port, cmd) ->
+    setFigwheelPort(port, cmd.global)
+
 cli.command 'enable-auto-require'
   .description 'enables source scanning for automatic required module resolution in use-figwheel command.'
   .option '-g --global', 'use global .re-natal config instead of .re-natal.local'

resources/config.cljs

@@ -2,6 +2,6 @@
 
 (def figwheel-urls {
                     {{#each platforms}}
-                    :{{@key}} "ws://{{this.host}}:3449/figwheel-ws"
+                    :{{@key}} "ws://{{this.host}}:{{#if ../figwheelPort}}{{../figwheelPort}}{{else}}3449{{/if}}/figwheel-ws"
                     {{/each}}
                     })