Merge commit '5be51ac3db225d5df501ed1fa1499c41d97dbf65'

docs/assets/js/helpers/index.js

@@ -1,2 +1,3 @@
 export * from './bridgeTurboAndAlpine';
 export * from './helpers';
+export * from './lrucache';

docs/assets/js/helpers/lrucache.js

@@ -0,0 +1,19 @@
+// A simple LRU cache implementation backed by a map.
+export class LRUCache {
+	constructor(maxSize) {
+		this.maxSize = maxSize;
+		this.cache = new Map();
+	}
+
+	get(key) {
+		return this.cache.get(key);
+	}
+
+	put(key, value) {
+		if (this.cache.size >= this.maxSize) {
+			const firstKey = this.cache.keys().next().value;
+			this.cache.delete(firstKey);
+		}
+		this.cache.set(key, value);
+	}
+}