Avoid initialize >1 time

educastellano · Oct 23, 2023 · 67f6fd9 · 67f6fd9
1 parent 9ab9ed5
commit 67f6fd9
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/dist/index.js b/dist/index.js
@@ -7,6 +7,7 @@
   var QRReader = class _QRReader extends HTMLElement {
     #barcodeDetector = new BarcodeDetector({ formats: ["qr_code"] });
     #timer = 0;
+    #initialized = false;
     video = null;
     canvas = null;
     constructor() {
@@ -28,7 +29,10 @@
     // LifeCycle Callbacks
     //
     connectedCallback() {
-      this.initialize();
+      if (!this.#initialized) {
+        this.initialize();
+        this.#initialized = true;
+      }
     }
     attributeChangedCallback(attributeName, oldValue, newValue) {
       const fn = this[attributeName + "Changed"];

diff --git a/qr-reader.js b/qr-reader.js
@@ -4,6 +4,7 @@ const {
 } = window
 
 export default class QRReader extends HTMLElement {
+  #initialized = false
   #barcodeDetector = new BarcodeDetector({ formats: ['qr_code'] })
   #timer = 0
   video = null
@@ -34,7 +35,10 @@ export default class QRReader extends HTMLElement {
   // LifeCycle Callbacks
   //
   connectedCallback () {
-    this.initialize()
+    if (!this.#initialized) {
+      this.initialize()
+      this.#initialized = true
+    }
   }
 
   attributeChangedCallback (attributeName, oldValue, newValue) {