From 9d69ab27de83ead3e499edc9028ba85749407a1e Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Tue, 23 Apr 2024 18:35:59 -0400
Subject: more lint cleanup

---
 src/extensions/Extensions_Array.ts | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/extensions/Extensions_Array.ts

(limited to 'src/extensions/Extensions_Array.ts')

diff --git a/src/extensions/Extensions_Array.ts b/src/extensions/Extensions_Array.ts
new file mode 100644
index 000000000..a50fb330f
--- /dev/null
+++ b/src/extensions/Extensions_Array.ts
@@ -0,0 +1,37 @@
+export default class ArrayExtension {
+    private readonly property: string;
+    private readonly body: <T>(this: Array<T>) => any;
+
+    constructor(property: string, body: <T>(this: Array<T>) => any) {
+        this.property = property;
+        this.body = body;
+    }
+
+    assign() {
+        // eslint-disable-next-line no-extend-native
+        Object.defineProperty(Array.prototype, this.property, {
+            value: this.body,
+            enumerable: false,
+        });
+    }
+}
+
+/**
+ * IMPORTANT: Any extension you add here *must* have a corresponding type definition
+ * in the Array<T> interface in ./General/ExtensionsTypings.ts. Otherwise,
+ * Typescript will not recognize your new function.
+ */
+const extensions = [
+    new ArrayExtension('lastElement', function () {
+        if (!this.length) {
+            return undefined;
+        }
+        return this[this.length - 1];
+    }),
+];
+
+function Assign() {
+    extensions.forEach(extension => extension.assign());
+}
+
+export { Assign };
-- 
cgit v1.2.3-70-g09d2