FileTransform

yaml

type: "io.kestra.plugin.scripts.nashorn.FileTransform"

Transform ion format file from Kestra's internal storage with a Nashorn (JavaScript) script.

Examples

Transform with file from internal storage

yaml

id: nashorn_file_transform
namespace: company.team

tasks:
  - id: file_transform
    type: io.kestra.plugin.scripts.nashorn.FileTransform
    from: "{{ outputs['avro-to-gcs'] }}"
    script: |
      logger.info('row: {}', row)

      if (row['name'] === 'richard') {
        row = null
      } else {
        row['email'] = row['name'] + '@kestra.io'
      }

Create multiple rows from one row.

yaml

id: nashorn_file_transform
namespace: company.team

inputs:
  - id: file
    type: FILE

tasks:
  - id: file_transform
    type: io.kestra.plugin.scripts.nashorn.FileTransform
    from: "{{ inputs.file }}"
    script: |
      logger.info('row: {}', row)
      rows = [{"action": "insert"}, row]

Transform JSON string input with a Nashorn script.

yaml

id: nashorn_file_transform
namespace: company.team

tasks:
  - id: file_transform
    type: io.kestra.plugin.scripts.nashorn.FileTransform
    from: "[{"name":"jane"}, {"name":"richard"}]"
    script: |
      logger.info('row: {}', row)

      if (row['name'] === 'richard') {
        row = null
      } else {
        row['email'] = row['name'] + '@kestra.io'
      }