Function cloneAdjacency

packages/effect/src/Graph.ts:232–238

(adjacency: Map<NodeIndex, Array<EdgeIndex>>)

/** @internal */
const cloneAdjacency = (adjacency: Map<NodeIndex, Array<EdgeIndex>>): Map<NodeIndex, Array<EdgeIndex>> => {
  const cloned = new Map<NodeIndex, Array<EdgeIndex>>()
  for (const [nodeIndex, edges] of adjacency) {
    cloned.set(nodeIndex, [...edges])
  }
  return cloned
}

/**
 * Immutable graph type for source-to-target relationships.