id: d7_url_alias
label: URL aliases
migration_tags:
  - Drupal 7
  - Content
source:
  plugin: d7_url_alias
  constants:
    slash: '/'
process:
  source:
    plugin: concat
    source:
      - constants/slash
      - source
  alias:
    plugin: concat
    source:
      - constants/slash
      - alias
  langcode: language
  node_translation:
    -
      plugin: explode
      source: source
      delimiter: /
    -
      # If the source path has no slashes return a dummy default value.
      plugin: extract
      default: 'INVALID_NID'
      index:
        - 1
    -
      plugin: migration_lookup
      migration: d7_node_translation
destination:
  plugin: url_alias