.eslintrc.json

{
    "extends": ["eslint:recommended"],
    "parserOptions": {
        "sourceType": "module",
        "ecmaVersion": 2022
    },
    "env": {
        "browser": true,
        "es6": true
    },
    "rules": {
        "no-undef": ["error"],
        "no-restricted-globals": ["error", "event", "self"],
        "no-const-assign": ["error"],
        "no-debugger": ["error"],
        "no-dupe-class-members": ["error"],
        "no-dupe-keys": ["error"],
        "no-dupe-args": ["error"],
        "no-dupe-else-if": ["error"],
        "no-unsafe-negation": ["error"],
        "no-duplicate-imports": ["error"],
        "valid-typeof": ["error"],
        "no-unused-vars": ["error", { "vars": "all", "args": "none", "ignoreRestSiblings": false, "caughtErrors": "all" }],
        "curly": ["error", "all"],
        "no-restricted-syntax": ["error", "PrivateIdentifier"],
        "prefer-const": ["error", {
            "destructuring": "all",
            "ignoreReadBeforeAssign": true
        }],
        "no-console": ["warn"],
        "no-var": ["error"],
        "arrow-body-style": ["error", "as-needed"],
        "arrow-parens": ["error"],
        "brace-style": ["error"],
        "object-curly-spacing": ["error", "always"],
        "array-bracket-spacing": ["error"],
        "comma-dangle": ["error", "always-multiline"],
        "semi": ["error", "always"],
        "quotes": ["error", "double"],
        "indent": ["error", 4, { "SwitchCase": 1 }],
        "eol-last": ["error"],
        "no-multiple-empty-lines": ["error"],
        "no-trailing-spaces": ["error"]
    },
    "globals": {
        "diff_match_patch": "readonly",
        "$": "readonly",
        "jQuery": "readonly",
        "Chart": "readonly"
    }
}