.eslintrc.prettier.json

{
  // https://eslint.org/docs/user-guide/configuring#extending-configuration-files
  "extends": [
    ".eslintrc.config.json",
    // https://www.npmjs.com/package/eslint-config-prettier
    // https://github.com/prettier/eslint-config-prettier/blob/master/index.js#L14
    "prettier",
    // https://github.com/prettier/eslint-config-prettier/blob/master/flowtype.js
    // @TODO
    // "prettier/flowtype",
    // https://github.com/prettier/eslint-config-prettier/blob/master/react.js
    "prettier/react"
  ],
  "rules": {
    // https://github.com/prettier/eslint-config-prettier#curly
    "curly": "error",
    // https://github.com/prettier/eslint-config-prettier#max-len
    "max-len": [
      "error",
      {
        "code": 80,
        "tabWidth": 4,
        "ignoreComments": true,
        "ignoreTrailingComments": false,
        "ignoreUrls": true,
        "ignoreStrings": true,
        "ignoreTemplateLiterals": true,
        "ignoreRegExpLiterals": true
      }
    ],
    // https://github.com/prettier/eslint-config-prettier#no-confusing-arrow
    "no-confusing-arrow": "off",
    // https://github.com/prettier/eslint-config-prettier#no-mixed-operators
    "no-mixed-operators": "off",
    // https://github.com/prettier/eslint-config-prettier#no-tabs
    "no-tabs": "error",
    // https://github.com/prettier/eslint-config-prettier#quotes
    "quotes": [
      "error",
      "single",
      {
        "avoidEscape": true,
        "allowTemplateLiterals": true
      }
    ]
  }
}