tsconfig.json

{
  "extends": "./.svelte-kit/tsconfig.json",
  "compilerOptions": {
    "strict": true,
    "moduleResolution": "bundler",
    "target": "es2018",
    /**
			svelte-preprocess cannot figure out whether you have a value or a type, so tell TypeScript
			to enforce using \`import type\` instead of \`import\` for Types.
			*/
    "isolatedModules": true,
    /**
			To have warnings/errors of the Svelte compiler at the correct position,
			enable source maps by default.
			*/
    "sourceMap": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,
    "baseUrl": ".",
    "allowJs": true,
    "checkJs": true,
    "paths": {
      "$app/*": [".svelte/dev/runtime/app/*", ".svelte/build/runtime/app/*"],
      "$lib":["./src/lib"],
      "$lib/*":["./src/lib/*"]
    }
  },
  "include": ["src/**/*.ts", "src/**/*.svelte"]
}