tsconfig.json

{
    "extends": "@tsconfig/svelte/tsconfig.json",
    "compilerOptions": {
        "target": "ES6",
        "useDefineForClassFields": true,
        "module": "ESNext",
        "resolveJsonModule": true,
        "lib": ["ES2022", "DOM.Iterable", "DOM"],
        /**
     * Typecheck JS in `.svelte` and `.js` files by default.
     * Disable checkJs if you'd like to use dynamic types in JS.
     * Note that setting allowJs false does not prevent the use
     * of JS in `.svelte` files.
     */
        "allowJs": true,
        "checkJs": true,
        "isolatedModules": true,
        "moduleDetection": "force",
        "noImplicitAny": false,
        "typeRoots": [
            "./node_modules/@types",
            "./node_modules/@figma"
        ],
        "types": [
            "vite/client",
            "svelte",
            "@figma/plugin-typings"
        ]
    },
    "include": [
        "src",
        "src/**/*.ts",
        "src/**/*.js",
        "src/**/*.svelte"
    ]
}