examples-3.x-dev/modules/ajax_example/ajax_example.routing.yml

ajax_example.description:
  path: '/examples/ajax-example'
  defaults:
    _controller: '\Drupal\ajax_example\Controller\AjaxExampleController::description'
    _title: 'AJAX Example'
  requirements:
    _permission: 'access content'

ajax_example.simplest:
  path: '/examples/ajax-example/simplest'
  defaults:
    _form: '\Drupal\ajax_example\Form\Simplest'
    _title: 'Simplest AJAX example'
  requirements:
    _permission: 'access content'

ajax_example.auto_text_fields:
  path: '/examples/ajax-example/auto-text-fields'
  defaults:
    _form: '\Drupal\ajax_example\Form\AutoTextFields'
    _title: 'Adds new text fields via AJAX'
  requirements:
    _permission: 'access content'

ajax_example.submit_driven_ajax:
  path: '/examples/ajax-example/submit-driven-ajax'
  defaults:
    _form: '\Drupal\ajax_example\Form\SubmitDriven'
    _title: 'Submit-driven AJAX'
  requirements:
    _permission: 'access content'

ajax_example.dependent_dropdown:
  path: '/examples/ajax-example/dependent-dropdown/{nojs}'
  defaults:
    _form: '\Drupal\ajax_example\Form\DependentDropdown'
    _title: 'Dependent dropdown'
    nojs: ajax
  requirements:
    _permission: 'access content'

ajax_example.dynamic_form_sections:
  path: '/examples/ajax-example/dynamic-form-sections/{nojs}'
  defaults:
    _form: '\Drupal\ajax_example\Form\DynamicFormSections'
    _title: 'Dynamic form sections'
    nojs: 'ajax'
  requirements:
    _permission: 'access content'

ajax_example.wizard:
  path: '/examples/ajax-example/wizard'
  defaults:
    _form: '\Drupal\ajax_example\Form\Wizard'
    _title: 'Wizard with graceful degradation'
  requirements:
    _permission: 'access content'

ajax_example.wizard_no_js:
  path: '/examples/ajax-example/wizard-nojs/{no_js_use}'
  defaults:
    _form: '\Drupal\ajax_example\Form\Wizard'
    _title: 'Wizard with graceful degradation, w/JS turned off'
    no_js_use: TRUE
  requirements:
    _permission: 'access content'

ajax_example.ajax_link_render:
  path: '/examples/ajax-example/ajax-link-renderable'
  defaults:
    _controller: '\Drupal\ajax_example\Controller\AjaxExampleController::renderLinkRenderableArray'
    _title: 'AJAX link from a render array'
  requirements:
    _permission: 'access content'

# This route is for an AJAX callback. It is used by the AJAX system on
# ajax_example.ajax_link_render. It has a {nojs} parameter, which gives us
# a way to know whether the request is an AJAX request or is from some other
# source.
ajax_example.ajax_link_callback:
  path: '/examples/ajax-example/ajax-link-callback/{nojs}'
  defaults:
    _controller: '\Drupal\ajax_example\Controller\AjaxExampleController::ajaxLinkCallback'
  requirements:
    _permission: 'access content'

ajax_example.autocomplete_user:
  path: '/examples/ajax_example/user_autocomplete'
  defaults:
    _form: '\Drupal\ajax_example\Form\EntityAutocomplete'
    _title: 'Autocomplete users with entity_autocomplete'
  requirements:
    _permission: 'access content'