From a339bf69d3841fa97ce9f6673472bd451b813937 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 28 Mar 2020 13:20:42 -0400
Subject: Move set functions into core.js

---
 ext/mixed/js/core.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'ext/mixed')

diff --git a/ext/mixed/js/core.js b/ext/mixed/js/core.js
index 0d50e915..fd762e97 100644
--- a/ext/mixed/js/core.js
+++ b/ext/mixed/js/core.js
@@ -132,6 +132,30 @@ function parseUrl(url) {
     return {baseUrl, queryParams};
 }
 
+function areSetsEqual(set1, set2) {
+    if (set1.size !== set2.size) {
+        return false;
+    }
+
+    for (const value of set1) {
+        if (!set2.has(value)) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+function getSetIntersection(set1, set2) {
+    const result = [];
+    for (const value of set1) {
+        if (set2.has(value)) {
+            result.push(value);
+        }
+    }
+    return result;
+}
+
 
 /*
  * Async utilities
-- 
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