index.js

module.exports = {
  // mostly good stuff
  extends: "eslint:recommended",

  parserOptions: {
    ecmaVersion: 2020,
    sourceType: "module",
  },
  env: {
    node: true,
    browser: true,
    es2020: true,
  },

  plugins: ["import"],

  rules: {
    // cancel some restrictive recommended stuff
    "no-console": 0,

    // no styles rules (=> prettier)
    "prefer-const": 2,
    "one-var": [2, "never"],
    "no-var": 2,
    "no-bitwise": 2,

    "import/default": 2,
    "import/export": 2,
    "import/first": 2,
    "import/max-dependencies": 2,
    "import/named": 2,
    "import/namespace": 2,
    "import/newline-after-import": 2,
    "import/no-absolute-path": 2,
    "import/no-amd": 2,
    // Intended for temporary use when migrating to pure ES6 modules.
    "import/no-deprecated": 2,
    "import/no-duplicates": 2,
    "import/no-extraneous-dependencies": 2,
    "import/no-mutable-exports": 2,
    "import/no-named-as-default-member": 2,
    "import/no-named-as-default": 2,
    "import/no-named-default": 2,
    "import/no-namespace": 2,
    "import/no-restricted-paths": 2,
    "import/no-unresolved": [2, { commonjs: true }],
    "import/no-webpack-loader-syntax": 2, // because it's gross
    "import/order": [2, { "newlines-between": "always" }],
    "import/no-self-import": 2,
    "import/no-useless-path-segments": 2,
  },

  settings: {
    "import/ignore": [
      "node_modules", // mostly CommonJS (ignored by default)
      ".json$", // import plugin does not seems to like json
      ".(css|scss|less)$", // can't parse unprocessed CSS
      ".(jpg|png|gif|svg|html|txt|md|woff|woff2|ttf|eot)$", // webpack !
    ],
  },
};