gistfile1.txt

352206041550260006745506400012822013044218431,aasdsad, asdsad, asda, ACP559, 94.6
352206041550260006745506400012822013044218431,aasdsad, asdsad, asda, ART9614, 131.05


find - Mongo

lines = []
for (const nfe of nfes) {
    // const dets = findAll det (nfe._id)

    for (const det of dets) {
      lines.push({
          id: nfe._id,
          s,
          det
      })
    }

}


https://www.mongodb.com/docs/upcoming/reference/operator/aggregation/lookup/#pipe._S_lookup