Merge pull request #333 from developmentseed/fix/vercel-url

Check if Vercel URL is available before adding protocol

Author: vgeorge

next.config.js

@@ -1,5 +1,9 @@
 require('dotenv').config()
 
+const vercelUrl =
+  process.env.NEXT_PUBLIC_VERCEL_URL &&
+  `https://${process.env.NEXT_PUBLIC_VERCEL_URL}`
+
 module.exports = {
   serverRuntimeConfig: {
     NODE_ENV: process.env.NODE_ENV || 'development',
@@ -20,10 +24,7 @@ module.exports = {
   },
   basePath: process.env.BASE_PATH || '',
   env: {
-    APP_URL:
-      process.env.APP_URL ||
-      `https://${process.env.NEXT_PUBLIC_VERCEL_URL}` ||
-      'http://127.0.0.1:3000',
+    APP_URL: process.env.APP_URL || vercelUrl || 'http://127.0.0.1:3000',
     OSM_NAME: process.env.OSM_NAME || 'OSM',
     BASE_PATH: process.env.BASE_PATH || '',
   },