fix: skip module for nuxt build (fixes #74)

Author: pi0

lib/module.js

@@ -5,6 +5,13 @@ const logger = require('./logger')
 logger.info = logger.debug
 
 function proxyModule (options) {
+  const { nuxt } = this
+
+  // Skip module for `nuxt build` (#74)
+  if (!nuxt.options.server) {
+    return
+  }
+
   if (!this.options.proxy) {
     // No proxy defined
     logger.warn('No proxy defined on top level.')