chore: upgrade playground

docs/assets/tree-sitter-playground-0.16.7/playground.js

@@ -420,11 +420,19 @@ let tree;
     return COLORS_BY_INDEX[id % COLORS_BY_INDEX.length];
   }
 
+  function getLocalStorageItem(key) {
+    return localStorage.getItem(`${document.title}:${key}`);
+  }
+
+  function setLocalStorageItem(key, value) {
+    localStorage.setItem(`${document.title}:${key}`, value);
+  }
+
   function loadState() {
-    const language = localStorage.getItem("language");
-    const sourceCode = localStorage.getItem("sourceCode");
-    const query = localStorage.getItem("query");
-    const queryEnabled = localStorage.getItem("queryEnabled");
+    const language = getLocalStorageItem("language");
+    const sourceCode = getLocalStorageItem("sourceCode");
+    const query = getLocalStorageItem("query");
+    const queryEnabled = getLocalStorageItem("queryEnabled");
     if (language != null && sourceCode != null && query != null) {
       queryInput.value = query;
       codeInput.value = sourceCode;
@@ -434,14 +442,14 @@ let tree;
   }
 
   function saveState() {
-    localStorage.setItem("language", languageSelect.value);
-    localStorage.setItem("sourceCode", codeEditor.getValue());
+    setLocalStorageItem("language", languageSelect.value);
+    setLocalStorageItem("sourceCode", codeEditor.getValue());
     saveQueryState();
   }
 
   function saveQueryState() {
-    localStorage.setItem("queryEnabled", queryCheckbox.checked);
-    localStorage.setItem("query", queryEditor.getValue());
+    setLocalStorageItem("queryEnabled", queryCheckbox.checked);
+    setLocalStorageItem("query", queryEditor.getValue());
   }
 
   function debounce(func, wait, immediate) {