keycloak(feat): add recipes for client management

keycloak/scripts/client-exists.ts

@@ -0,0 +1,42 @@
+#!/usr/bin/env tsx
+
+import KcAdminClient from "@keycloak/keycloak-admin-client";
+import invariant from "tiny-invariant";
+
+async function main() {
+  const kcAdminClient = new KcAdminClient({
+    baseUrl: `https://${process.env.KEYCLOAK_HOST}`,
+    realmName: "master",
+  });
+
+  await kcAdminClient.auth({
+    username: process.env.KEYCLOAK_ADMIN_USER!,
+    password: process.env.KEYCLOAK_ADMIN_PASSWORD!,
+    grantType: "password",
+    clientId: "admin-cli",
+  });
+
+  const realm = process.env.KEYCLOAK_REALM!;
+  const clientId = process.env.KEYCLOAK_CLIENT_ID!;
+
+  invariant(realm, "KEYCLOAK_REALM is required");
+  invariant(clientId, "KEYCLOAK_CLIENT_ID is required");
+
+  try {
+    // Find the client by clientId
+    const clients = await kcAdminClient.clients.find({ realm, clientId });
+
+    if (clients.length > 0) {
+      console.log(`Client '${clientId}' exists in realm '${realm}'`);
+      process.exit(0); // Success - client exists
+    } else {
+      console.log(`Client '${clientId}' does not exist in realm '${realm}'`);
+      process.exit(1); // Client doesn't exist
+    }
+  } catch (error) {
+    console.error(`Error checking client existence: ${error}`);
+    process.exit(1);
+  }
+}
+
+main().catch(console.error);