.eslintrc.js

"use strict";

module.exports = {
  root: true,
  parser: "@babel/eslint-parser",
  parserOptions: {
    ecmaVersion: 2018,
    requireConfigFile: false,
    sourceType: "module",
    ecmaFeatures: {
      legacyDecorators: true,
    },
    babelOptions: {
      // eslint-disable-next-line node/no-extraneous-require
      plugins: [[require.resolve("@babel/plugin-proposal-decorators"), { legacy: 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",
        "./index.js",
        "./testem.js",
        "./blueprints/*/index.js",
        "./config/**/*.js",
        "./tests/dummy/config/**/*.js",
      ],
      parserOptions: {
        sourceType: "script",
      },
      env: {
        browser: false,
        node: true,
      },
      plugins: ["node"],
      extends: ["plugin:node/recommended"],
    },
    {
      // Test files:
      files: ["tests/**/*-test.{js,ts}"],
      extends: ["plugin:qunit/recommended"],
    },
  ],
};