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chore: improve "ref not found" error message (#561)

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Helps the model better understand the error cause.
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Simon Knott 2025-06-17 14:09:29 +02:00 • committed by GitHub
parent 1dc4977ff9
commit 9066988098
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2 changed files with 45 additions and 1 deletions
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8
src/tools/utils.ts
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@ -78,7 +78,13 @@ export function sanitizeForFilePath(s: string) {
}
export async function generateLocator(locator: playwright.Locator): Promise<string> {
return (locator as any)._generateLocatorString();
try {
return await (locator as any)._generateLocatorString();
} catch (e) {
if (e instanceof Error && /locator._generateLocatorString: Timeout .* exceeded/.test(e.message))
throw new Error('Ref not found, likely because element was removed. Use browser_snapshot to see what elements are currently on the page.');
throw e;
}
}
export async function callOnPageNoTrace<T>(page: playwright.Page, callback: (page: playwright.Page) => Promise<T>): Promise<T> {