Add clear buttons in bookmark form (#846)

bookmarks/frontend/behaviors/clear-button.js

@@ -0,0 +1,42 @@
+import { Behavior, registerBehavior } from "./index";
+
+class ClearButtonBehavior extends Behavior {
+  constructor(element) {
+    super(element);
+
+    this.field = document.getElementById(element.dataset.for);
+    if (!this.field) {
+      console.error(`Field with ID ${element.dataset.for} not found`);
+      return;
+    }
+
+    this.update = this.update.bind(this);
+    this.clear = this.clear.bind(this);
+
+    this.element.addEventListener("click", this.clear);
+    this.field.addEventListener("input", this.update);
+    this.field.addEventListener("value-changed", this.update);
+    this.update();
+  }
+
+  destroy() {
+    if (!this.field) {
+      return;
+    }
+    this.element.removeEventListener("click", this.clear);
+    this.field.removeEventListener("input", this.update);
+    this.field.removeEventListener("value-changed", this.update);
+  }
+
+  update() {
+    this.element.style.display = this.field.value ? "inline-flex" : "none";
+  }
+
+  clear() {
+    this.field.value = "";
+    this.field.focus();
+    this.update();
+  }
+}
+
+registerBehavior("ld-clear-button", ClearButtonBehavior);

bookmarks/frontend/behaviors/index.js

@@ -16,7 +16,24 @@ const mutationObserver = new MutationObserver((mutations) => {
   });
 });
 
-document.addEventListener("turbo:load", () => {
+// Update behaviors on Turbo events
+// - turbo:load: initial page load, only listen once, afterward can rely on turbo:render
+// - turbo:render: after page navigation, including back/forward, and failed form submissions
+// - turbo:before-cache: before page navigation, reset DOM before caching
+document.addEventListener(
+  "turbo:load",
+  () => {
+    mutationObserver.observe(document.body, {
+      childList: true,
+      subtree: true,
+    });
+
+    applyBehaviors(document.body);
+  },
+  { once: true },
+);
+
+document.addEventListener("turbo:render", () => {
   mutationObserver.observe(document.body, {
     childList: true,
     subtree: true,
@@ -41,7 +58,6 @@ Behavior.interacting = false;
 
 export function registerBehavior(name, behavior) {
   behaviorRegistry[name] = behavior;
-  applyBehaviors(document, [name]);
 }
 
 export function applyBehaviors(container, behaviorNames = null) {

bookmarks/frontend/index.js

@@ -1,6 +1,7 @@
 import "@hotwired/turbo";
 import "./behaviors/bookmark-page";
 import "./behaviors/bulk-edit";
+import "./behaviors/clear-button";
 import "./behaviors/confirm-button";
 import "./behaviors/dropdown";
 import "./behaviors/form";