.eslintrc.js

'use strict';

module.exports = {
  root: true,
  parser: '@babel/eslint-parser',
  parserOptions: {
    ecmaVersion: 'latest',
    sourceType: 'module',
    requireConfigFile: false,
    babelOptions: {
      plugins: [
        ['@babel/plugin-proposal-decorators', { decoratorsBeforeExport: true }],
      ],
    },
  },
  plugins: ['ember'],
  extends: [
    'eslint:recommended',
    'plugin:ember/recommended',
    'plugin:prettier/recommended',
  ],
  env: {
    browser: true,
  },
  rules: {},
  overrides: [
    // node files
    {
      files: [
        '.eslintrc.js',
        '.prettierrc.js',
        '.template-lintrc.js',
        'ember-cli-build.js',
        'ember-addon-main.js',
        'jest.config.js',
        'testem.js',
        'blueprints/*/index.js',
        'config/**/*.js',
        'tests/dummy/config/**/*.js',
        'lib/**/*.js',
        'src/**/*.js',
        'tests-babel/**/*.js',
      ],
      excludedFiles: [
        'addon/**',
        'addon-test-support/**',
        'app/**',
        'tests/dummy/app/**',
      ],
      parserOptions: {
        sourceType: 'script',
      },
      env: {
        browser: false,
        node: true,
      },
      plugins: ['n'],
      extends: ['plugin:n/recommended'],
    },
    {
      files: ['tests-babel/**/*.js'],
      parserOptions: {
        sourceType: 'module',
      },
    },
    {
      files: ['*.ts'],
      parser: '@typescript-eslint/parser',
      plugins: ['@typescript-eslint'],
      extends: ['plugin:@typescript-eslint/recommended'],
    },
  ],
};