.eslintrc.json

{
    "env": {
        "browser": 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"
        }
    ],
    "rules": {
        "indent": [
            "error",
            4,
            { "SwitchCase": 1 }
        ],
        "linebreak-style": [
            "error",
            "windows"
        ],
        "quotes": [
            "error",
            "double"
        ],
        "semi": [
            "error",
            "always"
        ],
        "@typescript-eslint/no-explicit-any": 0,
        "@typescript-eslint/no-non-null-assertion": 0
    },
    "settings": {
        "svelte3/typescript": true
    }
}