tsconfig.app.json

{
  "extends": "@tsconfig/svelte/tsconfig.json",
  "compilerOptions": {
    "target": "ES2022",
    "useDefineForClassFields": true,
    "module": "ESNext",
    "resolveJsonModule": true,

    /**
     * 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",
    "baseUrl": ".",

    /**
     * To fix `src/lib/helpers/throttle.ts`
     */
    "noImplicitThis": false,

    /**
     * handles "@/..." imports
     */
    "paths": {
      "@/*": ["./src/*"]
    }
  },
  "include": ["src/**/*.ts", "src/**/*.js", "src/**/*.svelte"]
}