refactor: unify clipboard copy flow across desktop/web/vscode runtimes (#458)

* fix: prevent copying incomplete diagnostics report * refactoring: clipboard writes to unified cross-runtime fallback helper
2026-02-20 14:50:26 +02:00
parent 881e8bdf4f
commit 47cecfc356
22 changed files with 232 additions and 209 deletions
@@ -0,0 +1,39 @@
+export type ClipboardCopyResult =
+  | { ok: true; method: 'clipboard' | 'execCommand' }
+  | { ok: false; error: string };
+
+export async function copyTextToClipboard(text: string): Promise<ClipboardCopyResult> {
+  let clipboardError: string | null = null;
+
+  if (typeof navigator !== 'undefined' && navigator.clipboard?.writeText) {
+    try {
+      await navigator.clipboard.writeText(text);
+      return { ok: true, method: 'clipboard' };
+    } catch (error) {
+      clipboardError = error instanceof Error ? error.message : String(error);
+    }
+  }
+
+  if (typeof document !== 'undefined' && document.body) {
+    const textarea = document.createElement('textarea');
+    textarea.value = text;
+    textarea.setAttribute('readonly', '');
+    textarea.style.position = 'fixed';
+    textarea.style.top = '-1000px';
+    textarea.style.left = '-1000px';
+    document.body.appendChild(textarea);
+    textarea.select();
+    textarea.setSelectionRange(0, textarea.value.length);
+    const copied = document.execCommand('copy');
+    document.body.removeChild(textarea);
+
+    if (copied) {
+      return { ok: true, method: 'execCommand' };
+    }
+  }
+
+  return {
+    ok: false,
+    error: clipboardError ?? 'Clipboard access denied in current context',
+  };
+}