load api base url from env;

vite.config.ts

@@ -1,10 +1,14 @@
-import { defineConfig } from 'vite'
+import { defineConfig, loadEnv } from 'vite'
 import { svelte } from '@sveltejs/vite-plugin-svelte'
 
 import purgecss from '@fullhuman/postcss-purgecss'
 
 // https://vitejs.dev/config/
 export default defineConfig(({ command, mode, ssrBuild }) => {
+  // Load env file based on `mode` in the current working directory.
+  const env = loadEnv(mode, process.cwd())
+  // Set default api base url
+  env.VITE_API_BASE = 'https://api.openai.com'
   // Only run PurgeCSS in production builds
   if (command === 'build') {
     return {