.eslintrc.json

{
    "env": {
        "browser": true,
        "jest": true
    },
    "globals": {
      "_": false
    },
    "extends": "airbnb",
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "rules": {
        "comma-dangle": "warn",
        "no-unused-vars":[
          "error",
          {
            "vars": "local",
            "args": "none"
          }
        ],
        "consistent-return" : "warn",
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ],
        "camelcase": [
          "warn",
          {
            "properties": "never",
            "ignoreDestructuring": true
          }
        ],
        "max-len": "warn",
        "no-shadow" : "off",
        "no-else-return" : ["error",{ "allowElseIf": true }],
        "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
        "react/destructuring-assignment": ["warn","always"],
        "react/sort-comp": ["warn"],
        "react/no-array-index-key": ["warn"],
        "jsx-a11y/anchor-is-valid":"off"
    }
}