id: d7_color
label: Color
migration_tags:
  - Drupal 7
  - Configuration
source:
  plugin: d7_color
  constants:
    config_prefix: 'color.theme.'
process:
  # Skip if theme not installed on destination.
  theme_installed:
    plugin: skip_on_empty
    source: theme_installed
    method: row
  element_name:
    -
      plugin: explode
      source: name
      delimiter: _
    -
      plugin: extract
      index:
        - 2
  # Skip if the variable name ends in 'screenshot'.
  screenshot:
    -
      plugin: static_map
      source: '@element_name'
      bypass: true
      map:
        screenshot: false
    -
      plugin: skip_on_empty
      method: row
  # Build the configuration name from the variable name, i.e.
  # 'color_themename_element' becomes 'color.theme.themename'
  theme_name:
    -
      plugin: explode
      source: name
      delimiter: _
    -
      plugin: extract
      index:
        - 1
  configuration_name:
    plugin: concat
    source:
      - constants/config_prefix
      - '@theme_name'
  value: value
destination:
  plugin: color