@neondatabase/vite-plugin-postgres/dist/index.js

This Vite plugin instantly provisions a Postgres instance (via Neon) and injects the connection string into your `.env` file, so you can start developing immediately.

import { note, intro, outro } from '@clack/prompts';
import { instantNeon } from 'neondb/launchpad';
import { resolve } from 'path';
import { loadEnv } from 'vite';

const DEFAULTS = {
  dotEnvFile: ".env",
  dotEnvKey: "DATABASE_URL",
  referrer: "unknown",
  seed: void 0
};
let claimProcessStarted = false;
function postgresPlugin(options) {
  const {
    dotEnvFile: envPath,
    dotEnvKey: envKey,
    referrer,
    seed
  } = {
    ...DEFAULTS,
    ...options
  };
  return {
    name: "@neondatabase/vite-plugin-postgres",
    enforce: "pre",
    async config({ root, envDir }, { mode }) {
      if (mode === "production" || claimProcessStarted) return;
      const resolvedRoot = resolve(root ?? process.cwd());
      envDir = envDir ? resolve(resolvedRoot, envDir) : resolvedRoot;
      const resolvedEnvPath = resolve(
        envDir,
        envPath || DEFAULTS.dotEnvFile
      );
      const envVars = loadEnv(mode, envDir, envKey);
      if (Object.keys(envVars).length > 0) {
        const envVar = envVars[envKey];
        if (!envVar) {
          note(
            `Environment variable ${envKey} not found in ${resolvedEnvPath}. We will create one for you.`
          );
        } else {
          note(
            `Environment variable ${envKey} found in ${resolvedEnvPath}. If you wish to create a new Neon database, please remove the existing variable.`
          );
          return;
        }
      }
      claimProcessStarted = true;
      intro("Setting up your project with a Neon database.");
      await instantNeon({
        dotEnvFile: envPath,
        dotEnvKey: envKey,
        referrer: `npm:@neondatabase/vite-plugin-postgres|${referrer}`,
        seed
      });
      outro("Neon database created successfully.");
    }
  };
}

export { postgresPlugin as default };