feat(cli): add auth command

Author: maxprilutskiy

demo/next/package.json

@@ -5,6 +5,7 @@
   "scripts": {
     "dev": "next dev",
     "build": "next build",
+    "i18n": "replexica i18n",
     "start": "next start",
     "lint": "next lint"
   },

packages/cli/src/auth.ts

@@ -0,0 +1,17 @@
+import { Command } from "commander";
+
+export default new Command()
+  .command("auth")
+  .description("Authenticate with Replexica")
+  .helpOption("-h, --help", "Show help")
+  .action(async () => {
+    const message = `
+To obtain Replexica API key, please follow the following link:
+
+https://replexica.com/app/settings
+
+Once you have your API key, please save it in the .env file in the root of your project.
+          `.trim();
+
+    console.log(message);
+  });

packages/cli/src/index.ts

@@ -2,6 +2,7 @@ import dotenv from 'dotenv';
 import { Command } from 'commander';
 
 import i18nCmd from './i18n.js';
+import authCmd from './auth.js';
 
 dotenv.config();
 
@@ -10,4 +11,5 @@ export default new Command()
   .description('Replexica CLI')
   .helpOption('-h, --help', 'Show help')
   .addCommand(i18nCmd)
+  .addCommand(authCmd)
   .parse(process.argv);

packages/cli/src/services/env.ts

@@ -6,5 +6,22 @@ const EnvSchema = Z.object({
 });
 
 export function getEnv() {
-  return EnvSchema.parse(process.env);
-}
+  try {
+    return EnvSchema.parse(process.env);
+  } catch (error) {
+    if (error instanceof Z.ZodError) {
+      // handle missing api key
+      if (
+        error.errors.some((err) => err.path.find((p) => p === 'REPLEXICA_API_KEY') &&
+          err.message.toLowerCase().includes('required'))
+      ) {
+        console.log(`REPLEXICA_API_KEY is missing in env variables. Did you forget to run 'replexica auth'?`);
+        return process.exit(1);
+      } else {
+        throw error;
+      }
+    } else {
+      throw error;
+    }
+  }
+}