examples-3.x-dev/modules/js_example/js_example.libraries.yml

accordion:
  # Starting from Drupal 10.1.2, the version information plays a critical role
  # in generating a unique hash for aggregated files. It is important to update
  # the version value whenever a referenced file undergoes changes.
  version: 4.0.0
  js:
    js/accordion.js: {}
  css:
    component:
      css/accordion.css: {}

colors:
  version: 4.0.0
  css:
    component:
      css/weights.css: {}
  js:
    # We use weight as example attribute. Its usage is discouraged, though;
    # dependencies should instead be used.
    # For JavaScript files, its value can be only negative, contrarily to CSS
    # files for which its value can be between -50 and +50.
    js/colors.rgb.js: { weight: -2 }
    js/colors.base.js: { weight: -8 }
    js/colors.cmy.js: { weight: -4 }
  dependencies:
    - core/jquery
    - core/drupalSettings