.eslintrc.json

{
    "env": {
        "browser": true,
        "node": true,
        "es2021": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": "latest",
        "sourceType": "module"
    },
    "plugins": [
        "svelte3",
        "@typescript-eslint"
    ],
    "overrides": [
        {
          "files": ["*.svelte"],
          "processor": "svelte3/svelte3"
        }
    ],
    "settings": {
        "svelte3/typescript": true
    },
    "rules": {
        "indent": [
            "error",
            4
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "never"
        ],
        "no-multiple-empty-lines": [
            "error",
            { "max": 2 }
        ],
        "no-multi-spaces": [
            "error"
        ],
        "no-trailing-spaces": [
            "error"
        ],
        "max-params": [
            "error", 4
        ],
        "no-alert": "error",
        "new-cap": [
            "error",
            {
                "newIsCap": true,
                "properties": false
            }
        ],
        "no-else-return": "error",
        "no-empty": "error",
        "no-array-constructor": "error",
        "no-eq-null": "error",
        "no-eval": "error",
        "no-unused-vars": "off",
        "@typescript-eslint/no-unused-vars": ["error"],
        "@typescript-eslint/ban-ts-comment": "off"
    }
}