From 88e75a271feb8249e0c52e3729aa7dc6a7b57604 Mon Sep 17 00:00:00 2001
From: Joren Broekema <joren.broekema@ing.com>
Date: Fri, 25 Oct 2019 11:35:23 +0200
Subject: [PATCH] fix(field): teardown registrarmanager listener on field after
 register

Co-authored-by: Anton Kot <anton.kot@ing.nl>
---
 packages/field/src/FormRegisteringMixin.js | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/packages/field/src/FormRegisteringMixin.js b/packages/field/src/FormRegisteringMixin.js
index 700cf2a7d..b8277d456 100644
--- a/packages/field/src/FormRegisteringMixin.js
+++ b/packages/field/src/FormRegisteringMixin.js
@@ -13,6 +13,11 @@ export const FormRegisteringMixin = dedupeMixin(
   superclass =>
     // eslint-disable-next-line no-shadow, no-unused-vars
     class FormRegisteringMixin extends superclass {
+      constructor() {
+        super();
+        this.__boundDispatchRegistration = this._dispatchRegistration.bind(this);
+      }
+
       connectedCallback() {
         if (super.connectedCallback) {
           super.connectedCallback();
@@ -31,9 +36,10 @@ export const FormRegisteringMixin = dedupeMixin(
         if (formRegistrarManager.ready) {
           this._dispatchRegistration();
         } else {
-          formRegistrarManager.addEventListener('all-forms-open-for-registration', () => {
-            this._dispatchRegistration();
-          });
+          formRegistrarManager.addEventListener(
+            'all-forms-open-for-registration',
+            this.__boundDispatchRegistration,
+          );
         }
       }
 
@@ -44,6 +50,10 @@ export const FormRegisteringMixin = dedupeMixin(
             bubbles: true,
           }),
         );
+        formRegistrarManager.removeEventListener(
+          'all-forms-open-for-registration',
+          this.__boundDispatchRegistration,
+        );
       }
 
       _unregisterFormElement() {