id: d6_url_alias
label: URL aliases
migration_tags:
  - Drupal 6
  - Content
source:
  plugin: d6_url_alias
  constants:
    slash: '/'
process:
  # If you are using this file to build a custom migration consider removing
  # the id field to allow incremental migrations.
  id: pid
  _path:
    plugin: concat
    source:
      - constants/slash
      - src
  alias:
    plugin: concat
    source:
      - constants/slash
      - dst

  node_translation:
    -
      plugin: explode
      source: src
      delimiter: /
    -
      # If the source path has no slashes return a dummy default value.
      plugin: extract
      default: 'INVALID_NID'
      index:
        - 1
    -
      plugin: migration_lookup
      migration:
        - d6_node_complete
        - d6_node_translation
    -
      plugin: node_complete_node_translation_lookup
  langcode:
    -
      plugin: null_coalesce
      source:
        - '@node_translation/1'
        - language
    -
      plugin: default_value
      default_value: 'und'
  path:
    plugin: path_set_translated
    source:
      - '@_path'
      - '@node_translation'
destination:
  plugin: entity:path_alias