Function filterEdges

packages/effect/src/Graph.ts:2192–2212

(
  mutable: MutableGraph<N, E, T>,
  predicate: (data: E) => boolean
)

 * @since 3.18.0
 */
export const filterEdges = <N, E, T extends Kind = "directed">(
  mutable: MutableGraph<N, E, T>,
  predicate: (data: E) => boolean
): void => {
  assertMutable(mutable)
  const impl = graphImpl(mutable)

  const edgesToRemove: Array<EdgeIndex> = []

  // Identify edges to remove
  for (const [index, edgeData] of impl.edges) {
    if (!predicate(edgeData.data)) {
      edgesToRemove.push(index)
    }
  }

  // Remove filtered out edges
  for (const edgeIndex of edgesToRemove) {
    removeEdge(mutable, edgeIndex)
  }
}

// =============================================================================
// Cycle Flag Management (Internal)