tsconfig.json

{
  "extends": "@tsconfig/svelte/tsconfig.json",
  "compilerOptions": {
    "target": "esnext",
    "useDefineForClassFields": true,
    "module": "esnext",
    "resolveJsonModule": 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,
    "strict": true,
    "paths": {
      "$assets/*": ["./src/assets/*"],
      "$components/*": ["./src/components/*"],
      "$containers/*": ["./src/containers/*"],
      "$lib/*": ["./src/lib/*"],
      "$styles/*": ["./src/styles/*"]
    }
  },
  "include": ["src/**/*.d.ts", "src/**/*.ts", "src/**/*.js", "src/**/*.svelte"]
}