Controllers+Views+Routes: Add ScriptAfterLoad functionality

Public/js/site.js

@@ -1,11 +1,17 @@
+window.web = {};
+
+// -----------------------------------------
+
 // Activate Bootstrap tooltips
+web.tooltips = function() {
 	const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]')
 	const tooltipList = [...tooltipTriggerList].map(element => new bootstrap.Tooltip(element))
+}
 
 // -----------------------------------------
 // HTMX events
 
-function runOnceAfterSettle(func) {
+web.afterLoad = function(func) {
 	// https://htmx.org/docs/#request-operations
 	document.addEventListener("htmx:afterSettle", function handler(event) {
         func();

Sources/App/Controllers/TestController.swift

@@ -0,0 +1,30 @@
+import Elementary
+import ElementaryHTMX
+import ElementaryHTMXSSE
+import ElementaryHTMXWS
+import Fluent
+import Vapor
+import VaporElementary
+
+struct TestController: RouteCollection {
+
+    func boot(routes: RoutesBuilder) throws {
+        routes.group("test") { test in
+			test.get("toast", use: toast)
+        }
+    }
+
+    @Sendable
+    func toast(req: Request) async throws -> HTMLResponse {
+
+        let state = try getState(request: req)
+        state.toast = ToastState(message: "Wow!",
+                                 title: "This is my title",
+                                 level: ToastState.Level.success)
+
+        throw Abort(.badRequest, headers: ["HX-Trigger": "toast"])
+
+        // return HTMLResponse { }
+    }
+
+}

Sources/App/Controllers/TodoController.swift

@@ -27,6 +27,8 @@ struct TodoController: RouteCollection {
             MainLayout(title: "Todos") {
                 TodosTableComponent(name: "todos", todos: todos)
                 TodosFormComponent(name: "todos-form", target: "todos")
+
+                button(.class("btn btn-primary"), .type(.button), .hx.get("/test/toast")) { "Toast" }
             }
         }
     }

Sources/App/Views/Components/ToastComponent.swift

@@ -9,7 +9,7 @@ import ElementaryHTMX
 //
 // The header "HX-Trigger" will make the part refresh and show the toast message
 
-struct ToastView: HTML {
+struct ToastComponent: HTML {
 
     var state: ToastState = ToastState()
 
@@ -33,9 +33,8 @@ struct ToastView: HTML {
                 div(.class("toast-body")) { state.message }
             }
             if !state.message.isEmpty {
-                script {
+                ScriptAfterLoad(initial: false) {
                     """
-                    runOnceAfterSettle(function () {
                     const element = document.getElementById("toast");
                     const toast = new bootstrap.Toast(element, { autohide: true, delay: 5000 });
                     toast.show();
@@ -43,7 +42,6 @@ struct ToastView: HTML {
                     element.addEventListener("hidden.bs.toast", function () {
                         element.remove();
                     });
-                    });
                     """
                 }
             }

Sources/App/Views/Components/TodosTableComponent.swift

@@ -47,6 +47,8 @@ struct TodosTableComponent: HTML {
                     }
                 }
             }
+
+            ScriptAfterLoad(initial: !refresh) { "web.tooltips();" };
         }
     }
 

Sources/App/Views/Shared/MainLayout.swift

@@ -59,7 +59,7 @@ struct MainLayout<Body: HTML>: HTMLDocument {
             }
 
             // Placeholder for all toast messages
-            ToastView()
+            ToastComponent()
         }
 
         // ---------------------------------

Sources/App/Views/Shared/ScriptAfterLoad.swift

@@ -0,0 +1,35 @@
+import Elementary
+
+struct ScriptAfterLoad: HTML {
+
+    var initial: Bool = false
+    var js: String = ""
+
+    init(initial: Bool = false, js: () -> String) {
+        self.initial = initial
+        self.js = js()
+    }
+
+    // -------------------------------------
+
+    var content: some HTML {
+        if initial {
+            script {
+                """
+                document.addEventListener("DOMContentLoaded", function() {
+                    \(js)
+                });
+                """
+            }
+        } else {
+            script {
+                """
+                web.afterLoad(function () {
+                    \(js)
+                });
+                """
+            }
+        }
+    }
+
+}

Sources/App/routes.swift

@@ -21,6 +21,7 @@ func routes(_ app: Application) throws {
     app.get("toast", use: toast)
 
     try app.register(collection: TodoController())
+    try app.register(collection: TestController())
 
     try app.group("api") { api in
         try api.register(collection: TodoAPIController())
@@ -32,7 +33,7 @@ func toast(req: Request) throws -> HTMLResponse {
     let state = try getState(request: req)
 
     return HTMLResponse {
-        ToastView(state: state.toast)
+        ToastComponent(state: state.toast)
     }
 }