util: add AggregateError.prototype.errors to inspect output

PR-URL: #43646 Fixes: #43645 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
nodejs · Jul 31, 2022 · 5edfccf · 5edfccf
1 parent 0167988
commit 5edfccf
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Showing 2 changed files with 29 additions and 1 deletion.
diff --git a/lib/internal/util/inspect.js b/lib/internal/util/inspect.js
@@ -1352,6 +1352,12 @@ function formatError(err, constructor, tag, ctx, keys) {
     keys.push('cause');
   }
 
+  // Print errors aggregated into AggregateError
+  if (ArrayIsArray(err.errors) &&
+      (keys.length === 0 || !keys.includes('errors'))) {
+    keys.push('errors');
+  }
+
   stack = improveStack(stack, constructor, name, tag);
 
   // Ignore the error message if it's contained in the stack.

diff --git a/test/message/error_aggregateTwoErrors.out b/test/message/error_aggregateTwoErrors.out
@@ -9,5 +9,27 @@ AggregateError: original
     at Function.Module._load (node:internal/modules/cjs/loader:*:*)
     at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
     at node:internal/main/run_main_module:*:* {
-  code: 'ERR0'
+  code: 'ERR0',
+  [errors]: [
+    Error: original
+        at Object.<anonymous> (*test*message*error_aggregateTwoErrors.js:*:*)
+        at Module._compile (node:internal/modules/cjs/loader:*:*)
+        at Object.Module._extensions..js (node:internal/modules/cjs/loader:*:*)
+        at Module.load (node:internal/modules/cjs/loader:*:*)
+        at Function.Module._load (node:internal/modules/cjs/loader:*:*)
+        at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
+        at node:internal/main/run_main_module:*:* {
+      code: 'ERR0'
+    },
+    Error: second error
+        at Object.<anonymous> (*test*message*error_aggregateTwoErrors.js:*:*)
+        at Module._compile (node:internal/modules/cjs/loader:*:*)
+        at Object.Module._extensions..js (node:internal/modules/cjs/loader:*:*)
+        at Module.load (node:internal/modules/cjs/loader:*:*)
+        at Function.Module._load (node:internal/modules/cjs/loader:*:*)
+        at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:*:*)
+        at node:internal/main/run_main_module:*:* {
+      code: 'ERR1'
+    }
+  ]
 }