.eslintrc.js

module.exports = {
    extends: [
        'plugin:react/recommended',
        // Disable ESLint rules that would conflict with Prettier
        'prettier',
        'plugin:prettier/recommended',
        'next/core-web-vitals',
    ],
    env: {
        node: true,
        commonjs: true,
        es6: true,
    },
    parser: '@babel/eslint-parser',
    parserOptions: {
        ecmaVersion: 2018,
        requireConfigFile: false,
        sourceType: 'module',
        ecmaFeatures: {
            impliedStrict: true,
            jsx: true,
        },
    },
    settings: {
        react: {
            version: 'detect',
        },
        polyfills: ['promises'],
        'import/resolver': {
            node: {
                moduleDirectory: 'node_modules',
            },
        },
    },
    rules: {
        'no-mixed-spaces-and-tabs': 'off',
        'arrow-body-style': ['warn', 'as-needed'],
        'arrow-parens': 'off',
        'class-methods-use-this': 'off',
        'comma-dangle': ['error', 'always-multiline'],
        'consistent-return': 'off',
        curly: ['warn', 'multi-or-nest'],
        'dot-notation': 'warn',
        eqeqeq: ['warn', 'smart'],
        'global-require': 'off',
        'import/extensions': 'off',
        'import/first': 'off',
        'import/no-named-as-default': 'off',
        'import/no-named-as-default-member': 'off',
        'import/prefer-default-export': 'off',
        'import/no-default-export': 'off',
        'key-spacing': [
            'warn',
            {
                beforeColon: false,
                afterColon: true,
            },
        ],
        'keyword-spacing': [
            'warn',
            {
                before: true,
                after: true,
            },
        ],
        'linebreak-style': ['error', 'unix'],
        'max-len': 'off',
        'multiline-comment-style': ['warn', 'separate-lines'],
        'newline-per-chained-call': ['off'],
        'no-alert': 'off',
        'no-console': 'off',
        'no-const-assign': 'error',
        'no-debugger': process.env.ENV === 'production' ? 'error' : 'off',
        'no-extra-parens': 'off',
        'no-lonely-if': 'warn',
        'no-mixed-operators': 'off',
        'no-multiple-empty-lines': 'warn',
        'no-multi-spaces': 'warn',
        'no-prototype-builtins': 'off',
        'no-param-reassign': 'off',
        'no-plusplus': 'off',
        'no-restricted-syntax': 'off',
        'no-return-assign': 'off',
        'no-template-curly-in-string': 'off',
        'no-underscore-dangle': 'off',
        'no-useless-catch': 'warn',
        'no-useless-escape': 'warn',
        'no-whitespace-before-property': 'warn',
        'object-curly-spacing': ['warn', 'always'],
        'padded-blocks': ['warn', 'never'],
        'prefer-destructuring': 'off',
        'prefer-spread': 'off',
        'prefer-template': 'warn',
        'prettier/prettier': 'off',
        'quote-props': ['warn', 'as-needed'],
        quotes: [
            'warn',
            'single',
            {
                allowTemplateLiterals: true,
                avoidEscape: true,
            },
        ],
        semi: [
            'error',
            'always',
        ],
        'space-before-function-paren': 'off',
        'space-in-parens': ['warn', 'never'],
        'space-infix-ops': [
            'warn',
            {
                int32Hint: false,
            },
        ],
        'spaced-comment': ['warn', 'always'],
        'switch-colon-spacing': 'warn',
        yoda: 'error',
        'react/react-in-jsx-scope': 'off',
        'react/prop-types': 0,
    },
};