.eslintrc.js

const path = require('path');

module.exports = {
  parser: '@typescript-eslint/parser', // Specifies the ESLint parser
  extends: [
    'plugin:@typescript-eslint/recommended', // Uses the recommended rules from @typescript-eslint/eslint-plugin
    'plugin:prettier/recommended', // Disables rules that conflict with Prettier.
  ],
  plugins: ['prettier'], // Extends ESLint with rules and reports differences as individual ESLint issues
  parserOptions: {
    project: path.resolve('tsconfig.lint.json'),
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
  },
  rules: {
    /* Important */
    'prettier/prettier': 'warn',
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    /* General */
    'lines-between-class-members': ['warn', 'always', { exceptAfterSingleLine: true }],
    /* TypeScript */
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-empty-interface': 'off',
    '@typescript-eslint/no-unused-vars': [
      'warn',
      {
        vars: 'all',
        args: 'after-used',
        ignoreRestSiblings: false,
        argsIgnorePattern: '^_',
      },
    ],
  },
  overrides: [
    {
      files: ['*.js', '*.jsx'],
      rules: {
        '@typescript-eslint/no-var-requires': 'off',
      },
    },
  ],
};