Implemented forum likes

scripts/AnimeNotifier.ts

@@ -182,23 +182,36 @@ export class AnimeNotifier {
 	
 	assignActions() {
 		for(let element of findAll("action")) {
-			if(element["action assigned"]) {
-				continue
-			}
-
+			let actionTrigger = element.dataset.trigger
 			let actionName = element.dataset.action
 
-			element.addEventListener(element.dataset.trigger, e => {
+			let oldAction = element["action assigned"]
+
+			if(oldAction) {
+				if(oldAction.trigger === actionTrigger && oldAction.action === actionName) {
+					continue
+				}
+
+				element.removeEventListener(oldAction.trigger, oldAction.handler)
+			}
+
+			let actionHandler = e => {
 				actions[actionName](this, element, e)
 
 				e.stopPropagation()
 				e.preventDefault()
-			})
+			}
+
+			element.addEventListener(actionTrigger, actionHandler)
 
 			// Use "action assigned" flag instead of removing the class.
 			// This will make sure that DOM diffs which restore the class name
 			// will not assign the action multiple times to the same element.
-			element["action assigned"] = true
+			element["action assigned"] = {
+				trigger: actionTrigger,
+				action: actionName,
+				handler: actionHandler
+			}
 		}
 	}