Activate prefer-amplify-errors (#1986)

* activated prefer-amplify-errors in some packages

* updated prefer-amplify-errors to ignore non-throw statements

* ignore violation in backend-deployer

* added changeset

* reverted prefer-amplify-errors, added inline ignores to backend-auth and -ai

* updated changeset

---------

Co-authored-by: Vieltojarvi <[email protected]>

Author: ShadowCat567

.changeset/eight-beers-stare.md

@@ -0,0 +1,8 @@
+---
+'@aws-amplify/backend-deployer': patch
+'create-amplify': patch
+'@aws-amplify/backend-auth': patch
+'@aws-amplify/backend-ai': patch
+---
+
+updated packages to fix violations of prefer-amplify-errors rule

packages/backend-ai/src/conversation/factory.ts

@@ -143,4 +143,5 @@ export type DefineConversationHandlerFunctionProps = {
 export const defineConversationHandlerFunction = (
   props: DefineConversationHandlerFunctionProps
 ): ConstructFactory<ResourceProvider<FunctionResources>> =>
+  // eslint-disable-next-line amplify-backend-rules/prefer-amplify-errors
   new ConversationHandlerFunctionFactory(props, new Error().stack);

packages/backend-auth/src/factory.ts

@@ -79,6 +79,7 @@ export class AmplifyAuthFactory implements ConstructFactory<BackendAuth> {
    */
   constructor(
     private readonly props: AmplifyAuthProps,
+    // eslint-disable-next-line amplify-backend-rules/prefer-amplify-errors
     private readonly importStack = new Error().stack
   ) {
     if (AmplifyAuthFactory.factoryCount > 0) {
@@ -235,4 +236,5 @@ const roleNameIsAuthRoleName = (roleName: string): roleName is AuthRoleName => {
 export const defineAuth = (
   props: AmplifyAuthProps
 ): ConstructFactory<BackendAuth> =>
+  // eslint-disable-next-line amplify-backend-rules/prefer-amplify-errors
   new AmplifyAuthFactory(props, new Error().stack);

packages/backend-deployer/src/cdk_deployer.ts

@@ -199,6 +199,7 @@ export class CDKDeployer implements BackendDeployer {
       // However if the cdk process didn't run or produced no output, then we have nothing to go on with. So we throw
       // this error to aid in some debugging.
       if (aggregatedStderr.trim()) {
+        // eslint-disable-next-line amplify-backend-rules/prefer-amplify-errors
         throw new Error(aggregatedStderr);
       } else {
         throw error;

packages/create-amplify/src/project_root_validator.ts

@@ -1,3 +1,4 @@
+import { AmplifyUserError } from '@aws-amplify/platform-core';
 import { existsSync } from 'fs';
 import * as path from 'path';
 
@@ -22,9 +23,10 @@ export class ProjectRootValidator {
   validate = async (): Promise<void> => {
     const testPath = path.resolve(this.projectRoot, 'amplify');
     if (this.exists(testPath)) {
-      throw new Error(
-        `An amplify directory already exists at ${testPath}. If you are trying to run an Amplify Gen 2 command inside an Amplify Gen 1 project we recommend creating the project in another directory. Learn more about AWS Amplify Gen 2: ${amplifyLearnMoreUrl}`
-      );
+      throw new AmplifyUserError('AmplifyDirectoryAlreadyExistsError', {
+        message: `An amplify directory already exists at ${testPath}.`,
+        resolution: `If you are trying to run an Amplify Gen 2 command inside an Amplify Gen 1 project we recommend creating the project in another directory. Learn more about AWS Amplify Gen 2: ${amplifyLearnMoreUrl}`,
+      });
     }
   };
 }

packages/eslint-rules/src/index.ts

@@ -21,10 +21,16 @@ export const configs = {
     },
     overrides: [
       {
-        files: ['packages/cli/src/**'],
+        files: [
+          'packages/sandbox/src/**',
+          'packages/backend-ai/src/**',
+          'packages/backend-auth/src/**',
+          'packages/backend-deployer/src/**',
+          'packages/create-amplify/src/**',
+        ],
         excludedFiles: ['**/*.test.ts'],
         rules: {
-          'amplify-backend-rules/prefer-amplify-errors': 'off', //will be changed to 'error' in the future
+          'amplify-backend-rules/prefer-amplify-errors': 'error',
         },
       },
       {