Add autohide controller to move code from legacy to stimulus

app/components/op_primer/flash_component.erb

@@ -31,7 +31,11 @@ See COPYRIGHT and LICENSE files for more details.
   render(Primer::BaseComponent.new(
     tag: :div,
     classes: "op-primer-flash--item",
-    data: { unique_key: @unique_key }.compact
+    data: {
+      "flash-target": "item",
+      "autohide": @autohide,
+      unique_key: @unique_key
+    }.compact
   )) do
     render_parent
   end

app/components/op_primer/flash_component.rb

@@ -39,6 +39,8 @@ module OpPrimer
       system_arguments[:dismiss_scheme] ||= :remove
       system_arguments[:dismiss_label] ||= I18n.t(:button_close)
 
+      @autohide = system_arguments[:scheme] == :success && system_arguments[:dismiss_scheme] != :none
+
       super
     end
   end

app/views/layouts/_flashes.html.erb

@@ -5,3 +5,6 @@
      data-flash-autohide-value="<%= User.current.pref.auto_hide_popups? %>">
   <%= render_flash_messages %>
 </div>
+
+<%# Flash modals render modal components %>
+<%= render_flash_modal %>

app/views/layouts/base.html.erb

@@ -118,8 +118,6 @@ See COPYRIGHT and LICENSE files for more details.
     <div class="content-overlay"></div>
     <%= content_tag :main, id: "content-wrapper", class: initial_classes, data: stimulus_content_data do %>
       <%= render partial: "layouts/flashes" %>
-      <%# Flash modals render modal components %>
-      <%= render_flash_modal %>
       <% if show_onboarding_modal? %>
         <section data-augmented-model-wrapper
                  data-modal-initialize-now="true"

frontend/src/app/core/setup/globals/global-listeners/setup-server-response.ts

@@ -5,8 +5,6 @@ export function setupServerResponse() {
   focusFirstErroneousField();
   activateFlashNotice();
   activateFlashError();
-  autoHideFlashMessage();
-  flashCloseHandler();
 
   jQuery(document).ajaxComplete(activateFlashNotice);
   jQuery(document).ajaxComplete(activateFlashError);
@@ -90,22 +88,6 @@ export function setupServerResponse() {
   });
 }
 
-function flashCloseHandler() {
-  jQuery('body').on('click keydown touchend', '.close-handler,.op-toast--close', function (e) {
-    if (e.type === 'click' || e.which === 13) {
-      jQuery(this).parent('.errorExplanation, .op-toast')
-        .not('.persistent-toggle--notification')
-        .remove();
-    }
-  });
-}
-
-function autoHideFlashMessage() {
-  setTimeout(() => {
-    jQuery('.op-toast.autohide-toaster').remove();
-  }, 5000);
-}
-
 function addClickEventToAllErrorMessages() {
   jQuery('a.afocus').each(function () {
     const target = jQuery(this);

frontend/src/stimulus/controllers/flash.controller.ts

@@ -0,0 +1,24 @@
+import { ApplicationController } from 'stimulus-use';
+
+export const SUCCESS_AUTOHIDE_TIMEOUT = 5000;
+
+export default class FlashController extends ApplicationController {
+  static values = {
+    autohide: Boolean,
+  };
+
+  declare autohideValue:boolean;
+
+  static targets = [
+    'item',
+  ];
+
+  declare readonly itemTargets:HTMLElement;
+
+  itemTargetConnected(element:HTMLElement) {
+    const autohide = element.dataset.autohide === 'true';
+    if (this.autohideValue && autohide) {
+      setTimeout(() => element.remove(), SUCCESS_AUTOHIDE_TIMEOUT);
+    }
+  }
+}

frontend/src/stimulus/setup.ts

@@ -10,6 +10,7 @@ import PollForChangesController from './controllers/poll-for-changes.controller'
 import TableHighlightingController from './controllers/table-highlighting.controller';
 import OpShowWhenCheckedController from './controllers/show-when-checked.controller';
 import OpShowWhenValueSelectedController from './controllers/show-when-value-selected.controller';
+import FlashController from './controllers/flash.controller';
 
 declare global {
   interface Window {
@@ -31,6 +32,7 @@ instance.register('menus--main', MainMenuController);
 instance.register('show-when-checked', OpShowWhenCheckedController);
 instance.register('disable-when-checked', OpDisableWhenCheckedController);
 instance.register('show-when-value-selected', OpShowWhenValueSelectedController);
+instance.register('flash', FlashController);
 instance.register('print', PrintController);
 instance.register('refresh-on-form-changes', RefreshOnFormChangesController);
 instance.register('async-dialog', AsyncDialogController);