From d1d9f00b1bd660842addf5e6b1d1b64c852a9eea Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Sun, 5 Nov 2023 17:16:09 +0800
Subject: added hover prefixer

---
 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..5a73ee75
--- /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 = undefined;
+	return () => {
+		if (cache) {
+			return /** @type {T} */ (result);
+		} else {
+			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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