js-format/eslint.config.js

import js from '@eslint/js';
import globals from 'globals';
import mochaPlugin from 'eslint-plugin-mocha';
import chaiExpectPlugin from 'eslint-plugin-chai-expect';
import eslintConfigPrettier from 'eslint-config-prettier';

export default [
  {
    languageOptions: {
      ecmaVersion: 13,
      sourceType: 'module',
      globals: {
        ...globals.node,
        ...globals.es2021,
        ...globals.mocha,
      },
    },
    plugins: {
      'mocha': mochaPlugin,
      'chai-expect': chaiExpectPlugin,
    },
    rules: {
      ...js.configs.recommended.rules,
      ...eslintConfigPrettier.rules,
      ...mochaPlugin.configs.flat.recommended.rules,
      ...chaiExpectPlugin.configs['recommended-flat'].rules,
    },
    files: ['src/**/*.js'],
  },
];