Generate keywords from existing documents about mongoose-keywords HOT 3 OPEN

async function up () {
  const cursor = MyModel.find().cursor()
  
  // same transform as mongoose-keywords
  const transform = (value) => _.kebabCase(value).replace(/-/g, ' ')

  for (let doc = await cursor.next(); doc != null; doc = await cursor.next()) {
    doc.keywords.addToSet(transform(doc.fieldIWannaSearchOn))
    doc.keywords.addToSet(transform(doc.someOtherField))
    await doc.save()
    console.log(doc.id)
  }
}```