livre-1.0.0-beta6/book/config/schema/book.schema.yml

# Schema for the configuration files of the book module.

book.settings:
  type: config_object
  label: 'Book settings'
  constraints:
    FullyValidatable: ~
  mapping:
    allowed_types:
      type: sequence
      label: 'Allowed content types'
      sequence:
        type: mapping
        mapping:
          content_type:
            type: string
            label: 'Content type machine name'
            constraints:
              EntityBundleExists: node
          child_type:
            type: string
            label: 'Allowed child type'
            constraints:
              NotNull: []
              EntityBundleExists: node
              ExistsIn:
                selector: '%root.allowed_types'
                which: values
                message: "The child page content type <em>@child_type</em> must be one of those selected as an allowed book outline types."
    book_sort:
      type: string
      label: 'Sort order'
      constraints:
        Choice:
          - weight
          - title
    truncate_label:
      type: boolean
      label: 'Truncate book label'
    use_parent_selector:
      type: boolean
      label: 'Use parent selector'

block.settings.book_navigation:
  type: block_settings
  label: 'Book navigation block'
  mapping:
    block_mode:
      type: string
      label: 'Block display mode'
      constraints:
        Choice:
          - 'all pages'
          - 'book pages'
          - 'primary book page'
          - 'child book pages'
    show_top_item:
      type: boolean
      label: 'Show top level item'
    use_top_level_title:
      type: boolean
      label: 'Use the top-level page title as block title'