Method getNodeByIndex

src/data/Graph.ts:94–97

* Get node by data index

(dataIndex: number)

     * Get node by data index
     */
    getNodeByIndex(dataIndex: number): GraphNode {
        const rawIdx = this.data.getRawIndex(dataIndex);
        return this.nodes[rawIdx];
    };
    /**
     * Get node by id
     */