From 90e614afa43fba8dd17d0d51f76a94114f5106eb Mon Sep 17 00:00:00 2001
From: Niklas <niklas.hanft@gmail.com>
Date: Fri, 14 Aug 2026 11:57:29 +0200
Subject: [PATCH] feat(chromium): await thenable waitForExpression (#1617)

---
 pkg/modules/chromium/tasks.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkg/modules/chromium/tasks.go b/pkg/modules/chromium/tasks.go
index f2eb2eec..b1d2c20e 100644
--- a/pkg/modules/chromium/tasks.go
+++ b/pkg/modules/chromium/tasks.go
@@ -708,7 +708,15 @@ func waitForExpressionBeforePrintActionFunc(logger *slog.Logger, disableJavaScri
 				return fmt.Errorf("context done while evaluating '%s': %w", expression, ctx.Err())
 			case <-ticker.C:
 				var ok bool
-				evaluate := chromedp.Evaluate(expression, &ok)
+				// If the provided expression is a async function (thenable) it will be awaited
+				//   (async () => {
+				//		document.querySelector('#accept').click();
+				//		await new Promise(r => setTimeout(r, 2000));
+				//		return true;
+				//	})()
+				evaluate := chromedp.Evaluate(expression, &ok, func(p *runtime.EvaluateParams) *runtime.EvaluateParams {
+					return p.WithAwaitPromise(true)
+				})
 
 				err := evaluate.Do(ctx)
 				if err != nil {