---
url: /reference/Function.stringifyModuleId.md
---
# Function: stringifyModuleId()

* **Exported from**: `rolldown/utils`
* **Type**: (`rawId`: `string`, `attributes?`: `Record`<`string`, `string`>) => `string`

Builds the module id of `rawId` imported with `attributes`. Without attributes it is `rawId`
itself.

## Parameters

### rawId

`string`

### attributes?

`Record`<`string`, `string`>

## Returns

`string`

## Example

```js
stringifyModuleId('/src/a.json', { type: 'json' });
// → '/src/a.json?attributes=%7B%22type%22%3A%22json%22%7D'
```