index.js

import importPlugin from 'eslint-plugin-import';
import globals from 'globals';
import eslintJs from '@eslint/js';

const languageOptions = {
    globals: {
        ...globals.es2021,
    },
    ecmaVersion: 2023,
    sourceType: 'module',
};

const rules = {
    'array-bracket-newline': ['error', 'consistent'],
    'array-bracket-spacing': 'error',
    'array-element-newline': ['error', 'consistent'],
    'arrow-body-style': ['error', 'always'],
    'arrow-parens': ['error', 'always'],
    'arrow-spacing': 'error',
    'block-scoped-var': 'error',
    'block-spacing': ['error', 'never'],
    'brace-style': ['error', '1tbs', {'allowSingleLine': true}],
    'comma-dangle': ['error', 'always-multiline'],
    'comma-spacing': 'error',
    'comma-style': 'error',
    'computed-property-spacing': 'error',
    'consistent-return': 'error',
    'curly': ['error', 'all'],
    'dot-location': ['error', 'property'],
    'eol-last': 'error',
    'eqeqeq': 'error',
    'func-call-spacing': 'error',
    'function-paren-newline': ['error', 'consistent'],
    'import/first': 'error',
    'indent': ['error', 4],
    'key-spacing': 'error',
    'keyword-spacing': 'error',
    'linebreak-style': ['error', 'unix'],
    'lines-between-class-members': 'error',
    'max-len': ['error', {'code': 160}],
    'new-parens': 'error',
    'no-array-constructor': 'error',
    'no-caller': 'error',
    'no-duplicate-imports': 'error',
    'no-else-return': 'error',
    'no-eval': 'error',
    'no-floating-decimal': 'error',
    'no-implied-eval': 'error',
    'no-multi-assign': 'error',
    'no-multi-spaces': 'error',
    'no-multi-str': 'error',
    'no-new': 'error',
    'no-new-func': 'error',
    'no-new-object': 'error',
    'no-proto': 'error',
    'no-return-assign': ['error', 'always'],
    'no-script-url': 'error',
    'no-self-compare': 'error',
    'no-shadow-restricted-names': 'error',
    'no-throw-literal': 'error',
    'no-trailing-spaces': 'error',
    'no-unneeded-ternary': 'error',
    'no-unused-expressions': 'error',
    'no-var': 'error',
    'no-whitespace-before-property': 'error',
    'object-curly-newline': 'error',
    'object-curly-spacing': 'error',
    'object-shorthand': 'error',
    'operator-linebreak': ['error', 'before'],
    'quotes': ['error', 'single', {'avoidEscape': true}],
    'radix': 'error',
    'require-unicode-regexp': 'error',
    'rest-spread-spacing': 'error',
    'semi': ['error', 'always'],
    'semi-spacing': 'error',
    'semi-style': 'error',
    'space-before-function-paren': ['error', {'anonymous': 'always', 'named': 'never', 'asyncArrow': 'always'}],
    'space-in-parens': 'error',
    'space-unary-ops': 'error',
    'switch-colon-spacing': 'error',
    'unicode-bom': 'error',
    'yoda': ['error', 'never', {'onlyEquality': true}],
};

export default {
    default: [
        eslintJs.configs.recommended,
        importPlugin.flatConfigs.errors,
        importPlugin.flatConfigs.warnings,
        {
            name: 'nepada/default',
            languageOptions,
            rules,
        },
    ],
};