@astrojs/vercel/dist/vite-plugin-config.js

Deploy your site to Vercel

const VIRTUAL_CONFIG_ID = "virtual:astro-vercel:config";
const RESOLVED_VIRTUAL_CONFIG_ID = "\0" + VIRTUAL_CONFIG_ID;
function createConfigPlugin(config) {
  return {
    name: VIRTUAL_CONFIG_ID,
    resolveId: {
      filter: {
        id: new RegExp(`^${VIRTUAL_CONFIG_ID}$`)
      },
      handler() {
        return RESOLVED_VIRTUAL_CONFIG_ID;
      }
    },
    load: {
      filter: {
        id: new RegExp(`^${RESOLVED_VIRTUAL_CONFIG_ID}$`)
      },
      handler() {
        return Object.entries(config).map(([k, v]) => `export const ${k} = ${JSON.stringify(v)};`).join("\n");
      }
    }
  };
}
export {
  createConfigPlugin
};