Simplify sierra's interaction with button visibility

The webchathelper already contained the ability to communicate between classes without events

src/digital-components/salesforce-webchat/salesforce-webchat.vue

@@ -41,9 +41,6 @@ export default {
     beforeUnmount() {
         // Clean up event listeners and observers
         window.removeEventListener("sierra-chat-transfer", this._handleSierraToSalesforceTransfer);
-        if (this._salesforceChatOpenObserver) {
-            this._salesforceChatOpenObserver.disconnect();
-        }
     },
     methods: {
         initializeSalesforceWebchat() {

src/digital-components/sierra-webchat/sierra-webchat.spec.js

@@ -59,14 +59,6 @@ describe("sierraWebchat.vue", () => {
         expect(window.sierraChat.closeChatModal).toHaveBeenCalled();
     });
 
-    it("dispatches sierra-chat-closed on handleSierraOnClose", () => {
-        const eventSpy = jest.spyOn(window, "dispatchEvent");
-        wrapper.vm.createSierraConfig().onClose();
-        expect(eventSpy).toHaveBeenCalledWith(
-            expect.objectContaining({ type: "sierra-chat-closed" })
-        );
-    });
-
     it("dispatches sierra-chat-transfer on handleSierraOnTransfer", () => {
         const eventSpy = jest.spyOn(window, "dispatchEvent");
         const transfer = {

src/digital-components/sierra-webchat/sierra-webchat.vue

@@ -12,6 +12,11 @@ import { webchatHelper } from "@/helpers/webchat-helper";
 export default {
     name: "sierraWebchat",
     mixins: [analyticsMixin],
+    data() {
+        return {
+            transferInProgress: false,
+        };
+    },
     setup() {
         const { webchatGlobalNonpersistedState, launchWebchat } = webchatHelper();
         return { webchatGlobalNonpersistedState, launchWebchat };
@@ -40,11 +45,12 @@ export default {
                 display: "corner",
                 onLoad: () => this.openSierraChatModal(),
                 onOpen: () => {},
-                onClose: () => window.dispatchEvent(new CustomEvent("sierra-chat-closed")),
-                onTransfer: (transfer) =>
+                onClose: () => {if (!this.transferInProgress) {this.webchatGlobalNonpersistedState.showWebchatButton = true; this.transferInProgress = false;}},
+                onTransfer: (transfer) => {this.transferInProgress = true;
                     window.dispatchEvent(
-                        new CustomEvent("sierra-chat-transfer", { detail: transfer })
-                    ),
+                            new CustomEvent("sierra-chat-transfer", { detail: transfer })
+                        );
+                    },
             };
         },
         getSierraContext() {
@@ -163,25 +169,10 @@ export default {
             }
         };
         window.addEventListener("sierra-chat-transfer", this._handleSierraTransfer);
-
-        // Notify funnel-header about Sierra chat open/close state
-        this._sierraChatContainerObserver = new MutationObserver(() => {
-            const isOpen = !!document.querySelector("[data-sierra-chat-container]");
-            window.dispatchEvent(
-                new CustomEvent("sierra-chat-visibility", { detail: { open: isOpen } })
-            );
-        });
-        this._sierraChatContainerObserver.observe(document.body, {
-            childList: true,
-            subtree: true,
-        });
     },
     beforeUnmount() {
         window.removeEventListener("launch-sierra-webchat", this.triggerSierraChat);
         window.removeEventListener("sierra-chat-transfer", this._handleSierraTransfer);
-        if (this._sierraChatContainerObserver) {
-            this._sierraChatContainerObserver.disconnect();
-        }
     },
 };
 </script>

src/fmg-components/funnel-header/funnel-header.vue

@@ -79,16 +79,7 @@ export default {
             return this.getCmsContent(this.cmsWidgetName, "LogoImage");
         },
         shouldShowWebchatButton() {
-            // Hide the chat icon if Sierra chat is open
-            if (this.sierraChatOpen) {
-                return false;
-            }
-            // Show if either Sierra is enabled or Salesforce button is available and not hidden by page
-            return (
-                (this.webchatGlobalNonpersistedState.shouldLaunchSierra ||
-                    this.webchatGlobalNonpersistedState.showWebchatButton) &&
-                !this.shouldHideWebchatButtonOnPage
-            );
+            return this.webchatGlobalNonpersistedState.showWebchatButton;
         },
     },
     methods: {
@@ -116,10 +107,6 @@ export default {
         webchatClicked(event) {
             event.preventDefault();
             this.launchWebchat();
-            // Only set sierraChatOpen if Sierra experiment is active
-            if (this.webchatGlobalNonpersistedState.shouldLaunchSierra) {
-                this.sierraChatOpen = true;
-            }
         },
         syncSierraExperimentFlag() {
             const experiments = store.getters.applicationUser.experiments;
@@ -159,11 +146,6 @@ export default {
             unknownAlertEvent.displayAlert = true;
             this.globalAlertMessages.push(unknownAlertEvent);
         }
-        // Listen for Sierra chat open/close events from sierra-webchat
-        this._handleSierraChatVisibility = (event) => {
-            this.sierraChatOpen = !!(event.detail && event.detail.open);
-        };
-        window.addEventListener("sierra-chat-visibility", this._handleSierraChatVisibility);
 
         // Add scroll listener for header shadow effect
         this._handleScroll = () => {
@@ -172,8 +154,6 @@ export default {
         window.addEventListener("scroll", this._handleScroll);
     },
     beforeUnmount() {
-        window.removeEventListener("sierra-chat-closed", this._handleSierraChatClosed);
-        window.removeEventListener("sierra-chat-visibility", this._handleSierraChatVisibility);
         window.removeEventListener("sierra-chat-transfer", this._handleSierraToSalesforceTransfer);
         window.removeEventListener("scroll", this._handleScroll);
     },