Function nextMapped

packages/effect/src/Graph.ts:3275–3302

()

      const discovered = new Set<NodeIndex>()

      const nextMapped = () => {
        while (stack.length > 0) {
          const current = stack.pop()!

          if (discovered.has(current)) {
            continue
          }

          discovered.add(current)

          const nodeDataOption = graph.nodes.get(current)
          if (nodeDataOption === undefined) {
            continue
          }

          const neighbors = getTraversalNeighbors(graph, current, direction)
          for (let i = neighbors.length - 1; i >= 0; i--) {
            const neighbor = neighbors[i]
            if (!discovered.has(neighbor)) {
              stack.push(neighbor)
            }
          }

          return { done: false, value: f(current, nodeDataOption) }
        }

        return { done: true, value: undefined } as const
      }

      return { next: nextMapped }
    }