---
url: https://lit-ui-router.dev/api/ui-router-server/ssr/type-aliases/JsonValue.md
---
[ui-router-server](../../index.md) / [ssr](../index.md) / JsonValue

# Type Alias: JsonValue

```ts
type JsonValue = 
  | null
  | boolean
  | number
  | string
  | readonly JsonValue[]
  | {
[key: string]: JsonValue;
};
```

Defined in: [resolve-payload.ts:9](https://github.com/simshanith/lit-ui-router/blob/1cd954559604dabdcb4d0a419ac42b07b38f0fba/packages/ui-router-server/src/resolve-payload.ts#L9)

Plain JSON data: a value `JSON.stringify` and `JSON.parse` hand back
unchanged.