.eslintrc

{
    "rules": {
        "no-console"              : ["error", { "allow": ["warn", "error"] }],
        "no-mixed-spaces-and-tabs": [2, "smart-tabs"],
        "block-spacing"           : [2, "always"],
        "comma-style"             : [2, "last"],
        "no-debugger"             : [1],
        "no-alert"                : [1],
        "indent"                  : [1, 4, {"SwitchCase":1}],
        "strict"                  : 0,
        "no-undef"                : 1,
        "no-dupe-args"            : 2,
        "no-const-assign"         : 2,
        "no-extra-semi"           : 2,
        "no-dupe-class-members"   : 2,
        "no-dupe-else-if"         : 2,
        "no-dupe-keys"            : 2,
        "no-invalid-regexp"       : 2,
        "valid-typeof"            : 2
    },
    "parserOptions": {
        "ecmaVersion" : 2020,
        "sourceType": "module",
        "ecmaFeatures": {
            "modules": true,
            "sourceType": "module"
        }
    },
    "env": {
        "es6": true,
        "browser": true,
        "node": true
    },
    "globals": {
        "jQuery": "readonly"
    }
}