Function next

sdk/node/src/shared.js:175–202

()

          let item

          const next = () => {
            if (index >= page.items.length) {
              if (page.lastPage) {
                done()
              } else {
                nextParams = page.next
                nextPage()
              }
              return
            }

            item = page.items[index]
            index++

            // Pass the next item to the processor, as well as two loop
            // operations:
            //
            // - next(): Continue to next item
            // - done(err): Then terminate the loop by fulfilling the outer promise
            //
            // The process can also terminate the loop by returning a promise
            // that will reject.

            let res = processor(item, next, done)
            if (res && typeof res.catch === 'function') {
              res.catch(reject)
            }
          }

          next()
        }).catch(reject) // fail processor loop on query failure