1 files changed, 51 insertions, 0 deletions
diff --git a/packages/excalidraw/data/EditorLocalStorage.ts b/packages/excalidraw/data/EditorLocalStorage.ts
new file mode 100644
index 0000000..bb6eeb4
--- /dev/null
+++ b/packages/excalidraw/data/EditorLocalStorage.ts
@@ -0,0 +1,51 @@
+import type { EDITOR_LS_KEYS } from "../constants";
+import type { JSONValue } from "../types";
+
+export class EditorLocalStorage {
+  static has(key: typeof EDITOR_LS_KEYS[keyof typeof EDITOR_LS_KEYS]) {
+    try {
+      return !!window.localStorage.getItem(key);
+    } catch (error: any) {
+      console.warn(`localStorage.getItem error: ${error.message}`);
+      return false;
+    }
+  }
+
+  static get<T extends JSONValue>(
+    key: typeof EDITOR_LS_KEYS[keyof typeof EDITOR_LS_KEYS],
+  ) {
+    try {
+      const value = window.localStorage.getItem(key);
+      if (value) {
+        return JSON.parse(value) as T;
+      }
+      return null;
+    } catch (error: any) {
+      console.warn(`localStorage.getItem error: ${error.message}`);
+      return null;
+    }
+  }
+
+  static set = (
+    key: typeof EDITOR_LS_KEYS[keyof typeof EDITOR_LS_KEYS],
+    value: JSONValue,
+  ) => {
+    try {
+      window.localStorage.setItem(key, JSON.stringify(value));
+      return true;
+    } catch (error: any) {
+      console.warn(`localStorage.setItem error: ${error.message}`);
+      return false;
+    }
+  };
+
+  static delete = (
+    name: typeof EDITOR_LS_KEYS[keyof typeof EDITOR_LS_KEYS],
+  ) => {
+    try {
+      window.localStorage.removeItem(name);
+    } catch (error: any) {
+      console.warn(`localStorage.removeItem error: ${error.message}`);
+    }
+  };
+}