eslint.config.mjs

import {defineConfig, globalIgnores} from 'eslint/config'
import jest from 'eslint-plugin-jest'
import stylistic from '@stylistic/eslint-plugin'
import globals from 'globals'
import tsParser from '@typescript-eslint/parser'
import github from 'eslint-plugin-github'

export default defineConfig([
  globalIgnores(['**/coverage/', '**/dist/', '**/lib/', '**/node_modules/']),

  ...github.getFlatConfigs().typescript,
  github.getFlatConfigs().recommended,

  {
    plugins: {
      jest,
      stylistic
    },

    languageOptions: {
      globals: {
        ...globals.node,
        ...jest.environments.globals.globals
      },

      parser: tsParser,
      ecmaVersion: 'latest',
      sourceType: 'module',

      parserOptions: {
        projectService: {
          allowDefaultProject: [
            'eslint.config.mjs',
            'jest.config.js',
            'rollup.config.ts'
          ]
        },
        tsconfigRootDir: import.meta.dirname
      }
    },

    rules: {
      'i18n-text/no-en': 'off',
      'eslint-comments/no-use': 'off',
      'import/no-namespace': 'off',
      'import/no-unresolved': 'off',
      'no-unused-vars': 'off',
      'func-call-spacing': ['error', 'never'],
      semi: ['error', 'never'],

      'stylistic/type-annotation-spacing': 'error',

      '@typescript-eslint/no-unused-vars': 'error',
      '@typescript-eslint/explicit-member-accessibility': [
        'error',
        {
          accessibility: 'no-public'
        }
      ],
      '@typescript-eslint/no-require-imports': 'error',
      '@typescript-eslint/array-type': 'error',
      '@typescript-eslint/await-thenable': 'error',
      '@typescript-eslint/ban-ts-comment': 'error',
      camelcase: 'off',
      '@typescript-eslint/consistent-type-assertions': 'error',
      '@typescript-eslint/explicit-function-return-type': [
        'error',
        {
          allowExpressions: true
        }
      ],
      '@typescript-eslint/no-array-constructor': 'error',
      '@typescript-eslint/no-empty-interface': 'error',
      '@typescript-eslint/no-explicit-any': 'error',
      '@typescript-eslint/no-extraneous-class': 'error',
      '@typescript-eslint/no-for-in-array': 'error',
      '@typescript-eslint/no-inferrable-types': 'error',
      '@typescript-eslint/no-misused-new': 'error',
      '@typescript-eslint/no-namespace': 'error',
      '@typescript-eslint/no-non-null-assertion': 'warn',
      '@typescript-eslint/no-unnecessary-qualifier': 'error',
      '@typescript-eslint/no-unnecessary-type-assertion': 'error',
      '@typescript-eslint/no-useless-constructor': 'error',
      '@typescript-eslint/no-var-requires': 'error',
      '@typescript-eslint/prefer-for-of': 'warn',
      '@typescript-eslint/prefer-function-type': 'warn',
      '@typescript-eslint/prefer-includes': 'error',
      '@typescript-eslint/prefer-string-starts-ends-with': 'error',
      '@typescript-eslint/promise-function-async': 'error',
      '@typescript-eslint/require-array-sort-compare': 'error',
      '@typescript-eslint/restrict-plus-operands': 'error',
      '@typescript-eslint/unbound-method': 'error'
    }
  },
  {
    files: ['__tests__/**/*.ts'],
    rules: {
      'no-console': 'off'
    }
  }
])