From 67dbb6421976254658c5e38045513129dd18187a Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Wed, 28 Jun 2023 23:59:50 +0200
Subject: initial public commit

---
 util/set.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 util/set.ts

(limited to 'util/set.ts')

diff --git a/util/set.ts b/util/set.ts
new file mode 100644
index 0000000..9790682
--- /dev/null
+++ b/util/set.ts
@@ -0,0 +1,17 @@
+declare global {
+	interface Set<T> {
+		anyOf(arr2: Array<T>): boolean;
+		arr(): Array<T>;
+	}
+}
+
+/** @summary return set items as array */
+Set.prototype.arr = function() {
+	return Array.from(this);
+}
+
+/** @summary check if any of the elements of `arr2` are included in `this` */
+Set.prototype.anyOf = function(arr2) {
+	return !!this.arr().filter(e => arr2.includes(e)).length;
+};
+
-- 
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