1 files changed, 20 insertions, 0 deletions
diff --git a/demo/src/utils/editor-history.util.ts b/demo/src/utils/editor-history.util.ts
new file mode 100644
index 0000000..65ca38a
--- /dev/null
+++ b/demo/src/utils/editor-history.util.ts
@@ -0,0 +1,20 @@
+const AVRJS8_EDITOR_HISTORY = 'AVRJS8_EDITOR_HISTORY';
+
+export class EditorHistoryUtil {
+  static hasLocalStorage: boolean = !!window.localStorage;
+
+  static storeSnippet(codeSnippet: string) {
+    if (!EditorHistoryUtil.hasLocalStorage) return;
+    window.localStorage.setItem(AVRJS8_EDITOR_HISTORY, codeSnippet);
+  }
+
+  static clearSnippet() {
+    if (!EditorHistoryUtil.hasLocalStorage) return;
+    localStorage.removeItem(AVRJS8_EDITOR_HISTORY);
+  }
+
+  static getValue() {
+    if (!EditorHistoryUtil.hasLocalStorage) return;
+    return localStorage.getItem(AVRJS8_EDITOR_HISTORY);
+  }
+}