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packages/testing/playwright/utils/index-helper.ts

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+import type { Locator } from '@playwright/test';
+
+/**
+ * Returns a locator for a specific element by index, or the original locator if no index is provided.
+ * Without an index, Playwright throws an error when multiple matching elements are found.
+ * @see https://playwright.dev/docs/locators#strictness
+ */
+export function locatorByIndex(locator: Locator, index?: number) {
+	return typeof index === 'number' ? locator.nth(index) : locator;
+}