fix: don't throw on missing process.env.NUXT_WP_URL

wp-content/themes/headless/nuxt.config.ts

@@ -1,12 +1,5 @@
 import { version } from "./package.json";
 
-// WordPress backend URL (required)
-const wpUrl = process.env.NUXT_WP_URL;
-if (!wpUrl) {
-  throw new Error("NUXT_WP_URL environment variable is not set");
-}
-console.log(`${wpUrl}/graphql`);
-
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
   modules: ["@lewebsimple/nuxt-graphql", "@nuxt/ui", "nuxt-svgo"],
@@ -23,6 +16,10 @@ export default defineNuxtConfig({
   },
   ui: { colorMode: false },
 
+  runtimeConfig: {
+    wpUrl: "",
+  },
+
   graphql: {
     client: {
       cache: {
@@ -30,7 +27,7 @@ export default defineNuxtConfig({
       },
     },
     server: {
-      schema: [{ type: "remote", endpoint: `${wpUrl}/graphql` }],
+      schema: [{ type: "remote", endpoint: `${process.env.NUXT_WP_URL}/graphql` }],
     },
   },