Standardize exit codes (#7055)

packages/core/src/code_assist/oauth2.ts

@@ -18,7 +18,7 @@ import open from 'open';
 import path from 'node:path';
 import { promises as fs } from 'node:fs';
 import type { Config } from '../config/config.js';
-import { getErrorMessage } from '../utils/errors.js';
+import { getErrorMessage, FatalAuthenticationError } from '../utils/errors.js';
 import { UserAccountManager } from '../utils/userAccountManager.js';
 import { AuthType } from '../core/contentGenerator.js';
 import readline from 'node:readline';
@@ -142,7 +142,9 @@ async function initOauthClient(
       }
     }
     if (!success) {
-      process.exit(1);
+      throw new FatalAuthenticationError(
+        'Failed to authenticate with user code.',
+      );
     }
   } else {
     const webLogin = await authWithWeb(client);
@@ -166,7 +168,7 @@ async function initOauthClient(
         console.error(
           'Failed to open browser automatically. Please try running again with NO_BROWSER=true set.',
         );
-        process.exit(1);
+        throw new FatalAuthenticationError('Failed to open browser.');
       });
     } catch (err) {
       console.error(
@@ -174,7 +176,7 @@ async function initOauthClient(
         err,
         '\nPlease try running again with NO_BROWSER=true set.',
       );
-      process.exit(1);
+      throw new FatalAuthenticationError('Failed to open browser.');
     }
     console.log('Waiting for authentication...');
 

packages/core/src/utils/errors.ts

@@ -25,6 +25,41 @@ export function getErrorMessage(error: unknown): string {
   }
 }
 
+export class FatalError extends Error {
+  constructor(
+    message: string,
+    readonly exitCode: number,
+  ) {
+    super(message);
+  }
+}
+
+export class FatalAuthenticationError extends FatalError {
+  constructor(message: string) {
+    super(message, 41);
+  }
+}
+export class FatalInputError extends FatalError {
+  constructor(message: string) {
+    super(message, 42);
+  }
+}
+export class FatalSandboxError extends FatalError {
+  constructor(message: string) {
+    super(message, 44);
+  }
+}
+export class FatalConfigError extends FatalError {
+  constructor(message: string) {
+    super(message, 52);
+  }
+}
+export class FatalTurnLimitedError extends FatalError {
+  constructor(message: string) {
+    super(message, 53);
+  }
+}
+
 export class ForbiddenError extends Error {}
 export class UnauthorizedError extends Error {}
 export class BadRequestError extends Error {}