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[Home](./index.md) &gt; [@csstools/media-query-list-parser](./media-query-list-parser.md) &gt; [matchesRatioExactly](./media-query-list-parser.matchesratioexactly.md)

## matchesRatioExactly() function

**Signature:**

```typescript
export declare function matchesRatioExactly(componentValues: Array<ComponentValue>): -1 | [number, number];
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

componentValues


</td><td>

Array&lt;ComponentValue&gt;


</td><td>


</td></tr>
</tbody></table>

**Returns:**

-1 \| \[number, number\]

