.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
    node: true,
  },
  parser: '@typescript-eslint/parser',
  extends: [
    'airbnb',
    'plugin:react/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier',
    'plugin:@next/next/recommended',
  ],
  parserOptions: {
    ecmaVersion: 12,
    sourceType: 'module',
    ecmaFeatures: {
      jsx: true,
    },
  },
  plugins: ['@typescript-eslint', 'prettier', 'react'],
  rules: {
    'consistent-return': 1,
    'import/no-extraneous-dependencies': 0,
    'import/no-unresolved': 1,
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    'linebreak-style': 0,
    'no-nested-ternary': 0,
    'no-return-assign': [1, 'except-parens'],
    'no-unused-expressions': [
      1,
      { allowTernary: true, allowShortCircuit: true },
    ],
    radix: ['error', 'as-needed'],
    'react/prop-types': 0,
    'react/jsx-filename-extension': [
      1,
      { extensions: ['.js', '.jsx', '.ts', '.tsx'] },
    ],
    'react/jsx-props-no-spreading': 0,
    'react/react-in-jsx-scope': 0,
    'react/no-array-index-key': 0,
    'react/require-default-props': 0,
    'react/function-component-definition': 0,
    'jsx-a11y/anchor-is-valid': 0,
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
      },
    },
  },
};