tsconfig.json

{
  "extends": "./.svelte-kit/tsconfig.json",
  "compilerOptions": {
    "module": "es2020",
    "allowJs": true,
    "checkJs": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "rootDir": "/",
    "paths": {
      "$lib": ["./src/lib"],
      "$lib/*": ["./src/lib/*"],
      "@tests/*": ["./tests/*"],
    },
  },
  // Path aliases are handled by https://kit.svelte.dev/docs/configuration#alias
  //
  // If you want to overwrite includes/excludes, make sure to copy over the relevant includes/excludes
  // from the referenced tsconfig.json - TypeScript does not merge them in
  "include": [
    "global.d.ts",

    // copied from "./.svelte-kit/tsconfig.json"
    "./.svelte-kit/ambient.d.ts",
    "./.svelte-kit/types/**/$types.d.ts",
    "./vite.config.ts",
    "./src/**/*.js",
    "./src/**/*.ts",
    "./src/**/*.svelte",
    "./tests/**/*.js",
    "./tests/**/*.ts",
    "./tests/**/*.svelte",
  ],
}