From 370c27e09a63ca36f0e0aba8bef6b10f4484d70d Mon Sep 17 00:00:00 2001
From: Aaron O'Mullan <aaron.omullan@gmail.com>
Date: Thu, 7 Oct 2021 18:39:27 +0200
Subject: feat(core): cleaner opcall stack traces (#12358)

---
 core/01_core.js | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'core/01_core.js')

diff --git a/core/01_core.js b/core/01_core.js
index 5af352340..e1b0529f7 100644
--- a/core/01_core.js
+++ b/core/01_core.js
@@ -12,6 +12,7 @@
     Map,
     Array,
     ArrayPrototypeFill,
+    ErrorCaptureStackTrace,
     Promise,
     ObjectFreeze,
     ObjectFromEntries,
@@ -113,12 +114,12 @@
     if (res?.$err_class_name) {
       const className = res.$err_class_name;
       const errorBuilder = errorMap[className];
-      if (!errorBuilder) {
-        throw new Error(
-          `Unregistered error class: "${className}"\n  ${res.message}\n  Classes of errors returned from ops should be registered via Deno.core.registerErrorClass().`,
-        );
-      }
-      throw errorBuilder(res.message);
+      const err = errorBuilder ? errorBuilder(res.message) : new Error(
+        `Unregistered error class: "${className}"\n  ${res.message}\n  Classes of errors returned from ops should be registered via Deno.core.registerErrorClass().`,
+      );
+      // Strip unwrapOpResult() and errorBuilder() calls from stack trace
+      ErrorCaptureStackTrace(err, unwrapOpResult);
+      throw err;
     }
     return res;
   }
-- 
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