Add polyfills for Set intersection and union

yaqwsx · Mar 1, 2024 · c805d40 · c805d40
1 parent 0b3ed3b
commit c805d40
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/web/src/componentTable.js b/web/src/componentTable.js
@@ -12,6 +12,15 @@ import { naturalCompare } from '@discoveryjs/natural-compare';
 
 enableMapSet();
 
+// polyfill for sets - union/intersection only available on latest browsers
+Set.prototype.intersection ??= function (b) {
+    return new Set(this.values().filter(it => b.has(it)));
+}
+Set.prototype.union ??= function (b) {
+    return new Set(Array.from(this).concat(Array.from(b)));
+}
+
+
 function getValue(value) {
     return value?.[0];
 }