Method eachEdge

src/data/Graph.ts:198–212

* Iterate all edges

(
        cb: (this: Ctx, edge: GraphEdge, idx: number) => void,
        context?: Ctx
    )

     * Iterate all edges
     */
    eachEdge<Ctx>(
        cb: (this: Ctx, edge: GraphEdge, idx: number) => void,
        context?: Ctx
    ) {
        const edges = this.edges;
        const len = edges.length;
        for (let i = 0; i < len; i++) {
            if (edges[i].dataIndex >= 0
                && edges[i].node1.dataIndex >= 0
                && edges[i].node2.dataIndex >= 0
            ) {
                cb.call(context, edges[i], i);
            }
        }
    };

    /**
     * Breadth first traverse