Concurrency about patlas HOT 4 CLOSED

          // setup concurrency

          const queue = async.queue(addAllNodes, 10)

          queue.drain = () => {
            console.log("finished")
            // after getting all nodes, setup another concurrency for all links
            const queue2 = async.queue(addAllLinks, 10)

            queue2.drain = () => {
              console.log("finished 2")
              renderGraph()
            }
            // attempting to queue json.links, which are the links to be added to the graph AFTER adding the nodes to the graph
            queue2.push(json.links)
          }
          // attempting to queue json.nodes which are basically the nodes I want to add first to the graph
          queue.push(json.nodes)