1 files changed, 50 insertions, 0 deletions

diff --git a/llama.cpp/tools/server/webui/src/lib/stores/persisted.svelte.ts b/llama.cpp/tools/server/webui/src/lib/stores/persisted.svelte.ts
new file mode 100644
index 0000000..1e07f80
--- /dev/null
+++ b/llama.cpp/tools/server/webui/src/lib/stores/persisted.svelte.ts
@@ -0,0 +1,50 @@
+import { browser } from '$app/environment';
+
+type PersistedValue<T> = {
+        get value(): T;
+        set value(newValue: T);
+};
+
+export function persisted<T>(key: string, initialValue: T): PersistedValue<T> {
+        let value = initialValue;
+
+        if (browser) {
+                try {
+                        const stored = localStorage.getItem(key);
+
+                        if (stored !== null) {
+                                value = JSON.parse(stored) as T;
+                        }
+                } catch (error) {
+                        console.warn(`Failed to load ${key}:`, error);
+                }
+        }
+
+        const persist = (next: T) => {
+                if (!browser) {
+                        return;
+                }
+
+                try {
+                        if (next === null || next === undefined) {
+                                localStorage.removeItem(key);
+                                return;
+                        }
+
+                        localStorage.setItem(key, JSON.stringify(next));
+                } catch (error) {
+                        console.warn(`Failed to persist ${key}:`, error);
+                }
+        };
+
+        return {
+                get value() {
+                        return value;
+                },
+
+                set value(newValue: T) {
+                        value = newValue;
+                        persist(newValue);
+                }
+        };
+}