jackwener/OpenCLI · error · EmptyResultError

antigravity copy-message

Error message

antigravity copy-message

What it means

EmptyResultError (src/errors.ts:145, code 'EMPTY_RESULT') is thrown by 'antigravity copy-message' when the in-page scrape of Copy buttons returns no data — meaning no Copy buttons were found on screen. The first constructor argument is the command name, so the message reads 'antigravity copy-message returned no data'; the hint tells you to make sure an assistant reply is visible. It signals the page state did not match what the command expects.

Source

Thrown at clis/antigravity/audit-extras.js:121

    func: async (page, kwargs) => {
        const data = unwrapEvaluateResult(await page.evaluate(`(() => {
      const isVis = (el) => { const r = el.getBoundingClientRect(); return r.width > 1 && r.height > 1; };
      // Antigravity has both "Copy" (message) and "Copy code" (code block) buttons.
      // We want the bottom-of-message Copy, not the code-block Copy.
      const copies = Array.from(document.querySelectorAll('button[aria-label="Copy"]')).filter(isVis);
      if (!copies.length) return null;
      const lastCopy = copies[copies.length - 1];
      let container = lastCopy;
      let best = '';
      for (let i = 0; i < 8 && container.parentElement; i++) {
        container = container.parentElement;
        const txt = (container.innerText || '').trim();
        if (txt.length > best.length) best = txt;
        if (best.length > 200) break;
      }
      return { text: best };
    })()`));
        if (!data) throw new EmptyResultError('antigravity copy-message', 'No Copy buttons visible — make sure an assistant reply is on screen.');
        if (kwargs?.['click-button'] === true || kwargs?.['click-button'] === 'true') {
            const clickResult = unwrapEvaluateResult(await page.evaluate(clickLastScript(['button[aria-label="Copy"]'])));
            if (!clickResult?.ok) {
                throw new CommandExecutionError(clickResult?.reason || 'Copy button click failed', '');
            }
        }
        return [
            { Field: 'Length', Value: String((data.text || '').length) + ' chars' },
            { Field: 'ClipboardClicked', Value: (kwargs?.['click-button'] === true || kwargs?.['click-button'] === 'true') ? 'yes' : 'no' },
            { Field: 'Text', Value: data.text || '' },
        ];
    },
});

// -------- copy-code --------
cli({
    site: 'antigravity',
    name: 'copy-code',

View on GitHub (pinned to 49907e53dc)

Solutions

1. Wait until an assistant reply is fully rendered (streaming finished) and run the command again.
2. Verify you are attached to a conversation with at least one assistant message.
3. Log in to Antigravity if the chat UI did not load.
4. If Copy buttons exist but the command still fails, the DOM structure changed — update the scrape selector in audit-extras.js.

Example fix

// before
antigravity copy-message  # run immediately after sending a prompt

// after
# wait for the assistant reply to finish rendering, then:
antigravity copy-message --click-button

// Pre-check that a Copy button is present before invoking copy-message
const hasCopy = await page.evaluate("!!document.querySelector('button[aria-label=\"Copy\"]')");
if (!hasCopy) throw new Error('No assistant reply with Copy button on screen.');

function hasScrapedText(data) {
  return data != null && typeof data === 'object' && typeof data.text === 'string' && data.text.length > 0;
}

try {
  const rows = await runCmd('antigravity copy-message');
} catch (e) {
  if (e.code === 'EMPTY_RESULT') {
    console.error('No assistant reply visible — wait for streaming to finish, then retry.');
  } else throw e;
}

When it happens

Trigger: Running `antigravity copy-message` when no assistant reply (and therefore no Copy buttons) is rendered; the scrape script's loop finds no Copy button containers, returns null/empty after unwrapEvaluateResult, and `if (!data)` fires.

Common situations: Invoking the command on a fresh/empty conversation; the assistant is still streaming so buttons have not appeared; the user is not logged in and the chat UI never rendered; a UI redesign renamed or removed the Copy button.

Related errors

• antigravity copy-code
• Failed to export generated ChatGPT image assets
• chatgpt project-list
• chatgpt read
• No Claude response appeared within ${timeoutSeconds}s. Re-ru

AI-assisted analysis of jackwener/OpenCLI@49907e53dc (2026-08-29). Data as JSON: /api/errors/9ef0131917b48239. Report an issue: GitHub.