From 1205d555835772da4e43e0dc8bd60ac449c74ac2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Mon, 15 Nov 2021 00:50:44 +0100
Subject: Add HTMLElement.getListeners.

---
 static/lib.ts | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'static')

diff --git a/static/lib.ts b/static/lib.ts
index 1dfd83f4..8845f37b 100644
--- a/static/lib.ts
+++ b/static/lib.ts
@@ -18,7 +18,8 @@ declare global {
 
     interface HTMLElement {
         _addEventListener: (name: string, proc: (e: Event) => void) => void
-        listeners: Record<string, ((e: Event) => void)[]>
+        listeners: Map<string, ((e: Event) => void)[]>
+        getListeners: () => Map<string, ((e: Event) => void)[]>
     }
 
     interface Date {
@@ -43,11 +44,15 @@ declare global {
 
 HTMLElement.prototype._addEventListener = HTMLElement.prototype.addEventListener;
 HTMLElement.prototype.addEventListener = function(name: string, proc: (e: Event) => void) {
-    if (!this.listeners) this.listeners = {};
-    if (!this.listeners[name]) this.listeners[name] = [];
-    this.listeners[name].push(proc);
+    if (!this.listeners) this.listeners = new Map
+    if (!this.listeners.get(name)) this.listeners.set(name, []);
+    /* Force since we ensure a value just above */
+    this.listeners.get(name)!.push(proc);
     return this._addEventListener(name, proc);
 };
+HTMLElement.prototype.getListeners = function() {
+    return this.listeners;
+}
 
 
 /* ----- Date Extensions ---------------------------- */
-- 
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