drupalcampbristol/2017/web/core/modules/block/block.libraries.yml

drupal.block:
  version: VERSION
  js:
    js/block.js: {}
  dependencies:
    - core/jquery
    - core/drupal

drupal.block.admin:
  version: VERSION
  js:
    js/block.admin.js: {}
  css:
    theme:
      css/block.admin.css: {}
  dependencies:
    - core/jquery
    - core/drupal
    - core/drupal.announce
    - core/drupal.debounce
    - core/drupal.dialog.ajax