tsconfig.json

{
  "extends": "@tsconfig/svelte/tsconfig.json",
  "compilerOptions": {
    "target": "ESNext",
    "isolatedModules": true,
    "resolveJsonModule": true,
    /**
     * To have warnings / errors of the Svelte compiler at the
     * correct position, enable source maps by default.
     */
    "forceConsistentCasingInFileNames": true,
    "baseUrl": ".",
    /**
     * 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,
    "moduleDetection": "force",
    "types": ["vite-plugin-pwa/client"]
  },
  /**
   * Use global.d.ts instead of compilerOptions.types
   * to avoid limiting type declarations.
   */
  "include": ["src/**/*.d.ts", "src/**/*.ts", "src/**/*.js", "src/**/*.svelte"]
}