Using `configs.recommended` In Eslint-cdk-plugin Results In A Parser Error

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Introduction

The eslint-cdk-plugin is a popular plugin for ESLint that provides a set of rules and configurations for AWS CDK projects. However, when using the configs.recommended property in the eslint.config.mjs file, it can result in a parser error. In this article, we will explore the issue, its causes, and possible solutions.

Describe the bug

Using cdkPlugin.configs.recommended in eslint.config.mjs gives the following error:

Parsing error: //eslint.config.mjs was not found by the project service. Consider either including it in the tsconfig.json or including it in allowDefaultProject.eslint

Config file (eslint.config.mjs)

import eslint from '@eslint/js';
import stylistic from '@stylistic/eslint-plugin';
import cdkPlugin from 'eslint-cdk-plugin';
import importPlugin from 'eslint-plugin-import';
import globals from 'globals';
import tsEslint from 'typescript-eslint';

export default tsEslint.config(
  eslint.configs.recommended,
  cdkPlugin.configs.recommended,
  ...tsEslint.configs.strictTypeChecked,
  {
    files: ['**/*.ts', '**/*.tsx'],
    languageOptions: {
      globals: {
        ...globals.node,
      },
      parser: tsEslint.parser,
      parserOptions: {
        ecmaVersion: 2018,
        sourceType: 'module',
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
  },
);

Expected Behavior

The expected behavior is that the eslint.config.mjs file should be parsed correctly and the configs.recommended property should be used without any issues.

Current Behavior

The current behavior is that the eslint.config.mjs file is not parsed correctly and the configs.recommended property results in a parser error.

eslint-cdk-plugin Version

The version of eslint-cdk-plugin used is 2.0.1.

Node.js Version

The version of Node.js used is 22.11.0.

Language

The language used is TypeScript.

Language Version

The language version used is not specified.

Additional Context

No additional context is provided.

Checklist

  • [ ] I have searched for similar issues before creating this one
  • [ ] I have provided all the necessary information to reproduce the issue
  • [ ] I have verified this issue is related to eslint-cdk-plugin and not another dependency

Possible Solutions

  1. Update eslint-cdk-plugin: Try updating eslint-cdk-plugin to the latest version to see if the issue is resolved.
  2. Check tsconfig.json: Make sure that the tsconfig.json file is correctly configured and includes the eslint.config.mjs file.
  3. Check allowDefaultProject.eslint: Make sure that the allowDefaultProject.eslint file is correctly configured and includes the eslint.config.mjs file.
  4. Use a different configuration: Try using a different configuration, such as eslint.config.js instead of eslint.config.mjs.

Conclusion

In conclusion, using configs.recommended in eslint.config.mjs can result in a parser error when using eslint-cdk-plugin. The possible solutions include updating eslint-cdk-plugin, checking tsconfig.json, checking allowDefaultProject.eslint, and using a different configuration. By following these steps, you should be able to resolve the issue and use configs.recommended without any problems.

Troubleshooting Tips

  • Make sure that the eslint.config.mjs file is correctly configured and includes the necessary imports.
  • Check the tsconfig.json file to ensure that it includes the eslint.config.mjs file.
  • Check the allowDefaultProject.eslint file to ensure that it includes the eslint.config.mjs file.
  • Try using a different configuration, such as eslint.config.js instead of eslint.config.mjs.
  • Update eslint-cdk-plugin to the latest version to see if the issue is resolved.

Related Issues

API Documentation

License

Q: What is the issue with using configs.recommended in eslint-cdk-plugin?

A: The issue is that using configs.recommended in eslint.config.mjs results in a parser error. This error occurs because the eslint.config.mjs file is not being parsed correctly by the project service.

Q: What are the possible causes of this issue?

A: The possible causes of this issue include:

  • The tsconfig.json file is not correctly configured to include the eslint.config.mjs file.
  • The allowDefaultProject.eslint file is not correctly configured to include the eslint.config.mjs file.
  • The eslint-cdk-plugin version is outdated and needs to be updated.
  • The eslint.config.mjs file is not correctly configured and includes the necessary imports.

Q: How can I troubleshoot this issue?

A: To troubleshoot this issue, you can try the following steps:

  • Check the tsconfig.json file to ensure that it includes the eslint.config.mjs file.
  • Check the allowDefaultProject.eslint file to ensure that it includes the eslint.config.mjs file.
  • Try using a different configuration, such as eslint.config.js instead of eslint.config.mjs.
  • Update eslint-cdk-plugin to the latest version to see if the issue is resolved.

Q: What are the possible solutions to this issue?

A: The possible solutions to this issue include:

  • Updating eslint-cdk-plugin to the latest version.
  • Checking and correcting the tsconfig.json file to include the eslint.config.mjs file.
  • Checking and correcting the allowDefaultProject.eslint file to include the eslint.config.mjs file.
  • Using a different configuration, such as eslint.config.js instead of eslint.config.mjs.

Q: How can I prevent this issue from occurring in the future?

A: To prevent this issue from occurring in the future, you can:

  • Regularly update eslint-cdk-plugin to the latest version.
  • Ensure that the tsconfig.json file is correctly configured to include the eslint.config.mjs file.
  • Ensure that the allowDefaultProject.eslint file is correctly configured to include the eslint.config.mjs file.
  • Use a different configuration, such as eslint.config.js instead of eslint.config.mjs.

Q: What are the best practices for using configs.recommended in eslint-cdk-plugin?

A: The best practices for using configs.recommended in eslint-cdk-plugin include:

  • Regularly updating eslint-cdk-plugin to the latest version.
  • Ensuring that the tsconfig.json file is correctly configured to include the eslint.config.mjs file.
  • Ensuring that the allowDefaultProject.eslint file is correctly configured to include the eslint.config.mjs file.
  • Using a different configuration, such as eslint.config.js instead of eslint.config.mjs.

Q: Where can I find more information about this issue?

A: You can find more information about this issue on the following resources:

Q: What is the license for this article?

A: This article is licensed under the MIT License.