[**graphtransliterator-ts**](../README.md)

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[graphtransliterator-ts](../README.md) / hasNode

# Function: hasNode()

> **hasNode**\<`T`, `N`, `E`\>(`graph`, `id`): `boolean`

Defined in: [Graphs.ts:141](https://github.com/seanpue/graphtransliterator/blob/83f4eb8e6b7957664bb77a2ded02cf6a46ce9fff/packages/graphtransliterator-ts/src/Graphs.ts#L141)

Validates the existence of a custom structural vertex point.

## Type Parameters

### T

`T`

### N

`N`

### E

`E`

## Parameters

### graph

[`DirectedGraph`](../interfaces/DirectedGraph.md)\<`T`, `N`, `E`\>

### id

`number`

## Returns

`boolean`