Replace collection with board in the code, tests green

app/javascript/controllers/boards_form_controller.js

@@ -0,0 +1,21 @@
+import { Controller } from "@hotwired/stimulus"
+import { nextEventLoopTick } from "helpers/timing_helpers";
+
+export default class extends Controller {
+  static targets = ["meCheckbox"]
+  static values = { selfRemovalPromptMessage: { type: String, default: "Are you sure?" } }
+
+  async submitWithWarning(event) {
+    if (this.hasMeCheckboxTarget && !this.meCheckboxTarget.checked && !this.confirmed) {
+      event.detail.formSubmission.stop()
+
+      const message = this.selfRemovalPromptMessageValue
+
+      if (confirm(message)) {
+        await nextEventLoopTick()
+        this.confirmed = true
+        this.element.requestSubmit()
+      }
+    }
+  }
+}