.eslintrc.json

{
  "extends": ["standard", "prettier", "prettier/standard"],
  "plugins": ["prettier", "standard", "mocha"],
  "parserOptions": {
    "sourceType": "module"
  },
  "env": {
    "es6": true,
    "node": true,
    "mocha": true
  },
  "rules": {
    "prettier/prettier": ["error", { "singleQuote": true, "semi": false }]
  }
}