.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es2021": true,
        "jest": true,
        "node": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaVersion": "latest",
        "impliedStrict": true
    },
    "rules": {
        "indent": [
            "error",
            2
        ],
        "semi": [
            "error",
            "always"
        ],
        "no-unused-vars": [
            "error",
            {
                "vars": "all",
                "args": "after-used",
                "ignoreRestSiblings": false
            }
        ],
        "no-multiple-empty-lines": [
            1,
            {
                "max": 1,
                "maxEOF": 0
            }
        ],
        "no-console": [
            "warn",
            {
                "allow": [
                    "clear",
                    "info",
                    "error",
                    "dir",
                    "trace",
                    "warn"
                ]
            }
        ]
    },
    "overrides": [
        { 
            "files": [
                "public/js/*.js"
            ], // Or *.test.js
            "rules": {
                "no-console": [
                    "warn",
                    {
                        "allow": [
                            "clear",
                            "info",
                            "error",
                            "dir",
                            "trace",
                            "warn"
                        ]
                    }
                ]  , 
                "no-unused-vars": "off",
                "no-undef": "off"
            }, 
             
              "env": {
                "es6": true
               
            }
        }
    ]
}