From d92df51a274650a6625bb3386719345e992a9d88 Mon Sep 17 00:00:00 2001
From: Miodec <bartnikjack@gmail.com>
Date: Thu, 10 Feb 2022 20:32:05 +0100
Subject: [PATCH] added observable util

---
 frontend/src/js/util/observable.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 frontend/src/js/util/observable.js

diff --git a/frontend/src/js/util/observable.js b/frontend/src/js/util/observable.js
new file mode 100644
index 000000000..6f2484935
--- /dev/null
+++ b/frontend/src/js/util/observable.js
@@ -0,0 +1,13 @@
+export default class Observable {
+  Observable() {
+    this.subscribers = [];
+  }
+
+  subscribe(fn) {
+    this.subscribers.push(fn);
+  }
+
+  fire(params) {
+    this.subscribers.forEach((fn) => fn(params));
+  }
+}