From efbc2ffe6a1ee5ec38a4396305561d6515d0943e Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Fri, 30 Aug 2024 17:21:18 +0800
Subject: node fixes, updates

---
 node_modules/webpack/lib/util/memoize.js | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 node_modules/webpack/lib/util/memoize.js

(limited to 'node_modules/webpack/lib/util/memoize.js')

diff --git a/node_modules/webpack/lib/util/memoize.js b/node_modules/webpack/lib/util/memoize.js
new file mode 100644
index 00000000..c79d1fd8
--- /dev/null
+++ b/node_modules/webpack/lib/util/memoize.js
@@ -0,0 +1,32 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+/** @template T @typedef {function(): T} FunctionReturning */
+
+/**
+ * @template T
+ * @param {FunctionReturning<T>} fn memorized function
+ * @returns {FunctionReturning<T>} new function
+ */
+const memoize = fn => {
+	let cache = false;
+	/** @type {T | undefined} */
+	let result;
+	return () => {
+		if (cache) {
+			return /** @type {T} */ (result);
+		}
+
+		result = fn();
+		cache = true;
+		// Allow to clean up memory for fn
+		// and all dependent resources
+		fn = undefined;
+		return /** @type {T} */ (result);
+	};
+};
+
+module.exports = memoize;
-- 
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