From 08771f3a5cf170920898307d43fb9cedaae8e126 Mon Sep 17 00:00:00 2001
From: James Hall <james.hall@slicedbread.co.uk>
Date: Wed, 13 Sep 2023 14:22:56 +0100
Subject: [PATCH] Added debounce.  Fixed types tree.

---
 src/infra/typesTree.js |  6 +++++-
 src/plugin.js          |  4 +++-
 src/util/debounce.js   | 25 +++++++++++++++++++++++++
 3 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100644 src/util/debounce.js

diff --git a/src/infra/typesTree.js b/src/infra/typesTree.js
index bc82f1e..9ad5132 100644
--- a/src/infra/typesTree.js
+++ b/src/infra/typesTree.js
@@ -13,7 +13,7 @@ class SharedoTypesTree {
         this.initialized = true;
     }
 
-    isDerivedFrom(type, parentTypes) {
+    isDerivedFrom(type, parentTypes, trueDescendant = false) {
         if (!this.initialized) {
             throw new Error("Tree not initialized.");
         }
@@ -22,6 +22,10 @@ class SharedoTypesTree {
             const parent = this.find(parentType);
 
             if (parent) {
+                if (!trueDescendant && parent.systemName === type) {
+                    return true;
+                }
+
                 const child = this.find(type, parent);
 
                 if (child) {
diff --git a/src/plugin.js b/src/plugin.js
index 5ec154b..f405476 100644
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -23,6 +23,7 @@ import VEditableExpansionPanelHeader from "./components/VEditableExpansionPanelH
 
 import ContactUrlGenerator from "./util/contactUrl.js";
 import MapUrlGenerator from "./util/mapUrl.js";
+import debounce from "./util/debounce.js";
 
 export default {
 
@@ -72,5 +73,6 @@ export {
 
     // Util
     ContactUrlGenerator,
-    MapUrlGenerator
+    MapUrlGenerator,
+    debounce
 }
diff --git a/src/util/debounce.js b/src/util/debounce.js
new file mode 100644
index 0000000..c1e429e
--- /dev/null
+++ b/src/util/debounce.js
@@ -0,0 +1,25 @@
+const debounce = function (func, wait, immediate) {
+  let timeout;
+  return function () {
+      const context = this;
+      const args = arguments;
+
+      const later = function () {
+          timeout = null;
+          if (!immediate) {
+              func.apply(context, args);
+          }
+      };
+
+      const callNow = immediate && !timeout;
+
+      clearTimeout(timeout);
+      timeout = setTimeout(later, wait);
+
+      if (callNow) {
+          func.apply(context, args);
+      }
+  }
+}
+
+export default debounce;
\ No newline at end of file