fix(frontend): guard message copy clipboard access (#3211)

* fix(frontend): guard message copy clipboard access * fix(frontend): reuse clipboard guard across copy actions
2026-06-10 17:35:57 +00:00 · 2026-05-26 09:37:51 +08:00
parent 11dd5b0683
commit f68bcb771c
6 changed files with 223 additions and 21 deletions
@@ -0,0 +1,31 @@
+export async function writeTextToClipboard(text: string): Promise<boolean> {
+  try {
+    const clipboard = globalThis.navigator?.clipboard;
+    if (clipboard?.writeText) {
+      await clipboard.writeText(text);
+      return true;
+    }
+
+    const document = globalThis.document;
+    if (!document?.body?.appendChild || !document.execCommand) {
+      return false;
+    }
+
+    const textarea = document.createElement("textarea");
+    textarea.value = text;
+    textarea.setAttribute("readonly", "");
+    textarea.style.position = "fixed";
+    textarea.style.top = "-9999px";
+    textarea.style.left = "-9999px";
+    document.body.appendChild(textarea);
+    textarea.select();
+
+    try {
+      return document.execCommand("copy");
+    } finally {
+      textarea.remove();
+    }
+  } catch {
+    return false;
+  }
+}