From 80b06e31f5d77cc96a41fa8e9b2ec085806cd4f0 Mon Sep 17 00:00:00 2001
From: Bram Gotink <bram@gotink.me>
Date: Thu, 2 Jan 2025 21:33:35 +0100
Subject: [PATCH] show multiple errors in playground

---
 static/play/play.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/static/play/play.js b/static/play/play.js
index c673686..34117d9 100644
--- a/static/play/play.js
+++ b/static/play/play.js
@@ -122,6 +122,27 @@ addEventListener("DOMContentLoaded", (event) => {
           endLineNumber: error.token?.end.line,
           endColumn: error.token?.end.column,
         })
+      } else if (typeof AggregateError === 'function' && error instanceof AggregateError) {
+        for (const suberror of error.errors) {
+          if (suberror instanceof KDL.InvalidKdlError) {
+            markers.push({
+              message: suberror.message,
+              severity: monaco.MarkerSeverity.Error,
+              startLineNumber: suberror.token?.start.line,
+              startColumn: suberror.token?.start.column,
+              endLineNumber: suberror.token?.end.line,
+              endColumn: suberror.token?.end.column,
+            })
+          } else {
+            console.error(suberror);
+            markers.push({
+              message: "Failed to parse KDL",
+              severity: monaco.MarkerSeverity.Error,
+              startLineNumber: 1,
+              startColumn: 1,
+            })
+          }
+        }
       } else {
         console.error(error)
         markers.push({