d7_field_instance.yml

id: d7_field_instance
label: Field instance configuration
migration_tags:
  - Drupal 7
  - Configuration
class: Drupal\migrate_drupal\Plugin\migrate\FieldMigration
field_plugin_method: alterFieldInstanceMigration
source:
  plugin: d7_field_instance
  constants:
    status: true
    comment_node: comment_node_
process:
  type:
    plugin: process_field
    source: type
    method: getFieldType
  entity_type: entity_type
  field_name: field_name
  # The bundle needs to be statically mapped in order to support comment types
  # that might already exist before this migration is run. See
  # d7_comment_type.yml for more information.
  bundle_mapped:
    plugin: static_map
    source: bundle
    bypass: true
    map:
      comment_node_forum: comment_forum
  _comment_type:
    -
      plugin: explode
      source: bundle
      delimiter: comment_node_
    -
      plugin: extract
      index: [1]
      default: false
    -
      plugin: skip_on_empty
      method: process
    -
      plugin: migration_lookup
      migration:
        - d7_comment_type
  bundle:
    plugin: field_bundle
    source:
      - entity_type
      - '@bundle_mapped'
  label: label
  description: description
  required: required
  status: 'constants/status'
  allowed_values:
    -
      plugin: sub_process
      source: allowed_vid
      process:
        -
          plugin: migration_lookup
          migration: d7_taxonomy_vocabulary
          source: vid
  settings:
    plugin: d7_field_instance_settings
    source:
      - settings
      - widget
      - field_definition
  default_value_function: ''
  default_value:
    plugin: d7_field_instance_defaults
    source:
      - default_value
      - widget
  translatable: translatable
destination:
  plugin: entity:field_config
migration_dependencies:
  required:
    - d7_field
  optional:
    - d7_node_type
    - d7_comment_type
    - d7_taxonomy_vocabulary