.eslintrc.json

{
    "root": true,
    "parserOptions": {
        "ecmaVersion": 2020,
        "sourceType": "module",
        "ecmaFeatures": {
            "impliedStrict": true
        }
    },
    "env": {
        "browser": true,
        "es6": true,
        "node": true,
        "mocha": true,
        "webextensions": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended"
    ],
    "rules": {
        "no-mixed-spaces-and-tabs": [ "off" ],
        "no-unused-vars": [ "warn", { "argsIgnorePattern": "^_" } ],

        "eqeqeq": ["error", "always", {"null": "ignore"}],
        "block-scoped-var": [ "warn" ],
        "default-case": [ "warn" ],
        "dot-notation": [ "warn" ],
        "no-throw-literal": [ "error" ],
        "no-constant-condition": [ "error", { "checkLoops": false } ],
        "react/prop-types": 0,
        "react/jsx-no-undef": [2, { "allowGlobals": true }]
    },
    "settings": {
        "react": {
            "version": "detect"
        }
    },
    "plugins": [
        "react"
    ]
}