.eslintrc.json

{
  "root": true,
  "extends": ["./node_modules/sanctuary-style/eslint-es6.json"],
  "parserOptions": {"ecmaVersion": 2020, "sourceType": "module"},
  "env": {"node": true},
  "rules": {
    "comma-dangle": ["error", {"arrays": "always-multiline", "objects": "always-multiline", "imports": "always-multiline", "exports": "always-multiline", "functions": "never"}]
  },
  "overrides": [
    {
      "files": ["README.md"],
      "globals": {"doctest": "readonly"},
      "rules": {
        "no-extra-semi": ["off"],
        "no-unused-vars": ["error", {"varsIgnorePattern": "^(toFahrenheit)$"}]
      }
    },
    {
      "files": ["bin/doctest"],
      "parserOptions": {"sourceType": "script"}
    },
    {
      "files": ["lib/doctest.js"],
      "rules": {
        "no-multiple-empty-lines": ["error", {"max": 2, "maxEOF": 0}],
        "spaced-comment": ["error", "always", {"markers": ["/"]}]
      }
    },
    {
      "files": ["test/commonjs/**/index.js"],
      "parserOptions": {"sourceType": "script"}
    }
  ]
}