@empathyco/x-components/docs/API-reference/api/x-components.basexpriorityqueue._constructor_.md

Empathy X Components

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[Home](./index.md) &gt; [@empathyco/x-components](./x-components.md) &gt; [BaseXPriorityQueue](./x-components.basexpriorityqueue.md) &gt; [(constructor)](./x-components.basexpriorityqueue._constructor_.md)

## BaseXPriorityQueue.(constructor)

Creates a new [XPriorityQueue](./x-components.xpriorityqueue.md)<!-- -->.

**Signature:**

```typescript
constructor(comparatorFn?: NumberComparatorFn);
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

comparatorFn


</td><td>

[NumberComparatorFn](./x-components.numbercomparatorfn.md)


</td><td>

_(Optional)_ Comparator - the comparator that will be used to order this queue. By default, the elements will be sorted in descending order (an element with priority 1 will be higher in the queue than another with priority 0).


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