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>

Author: LiviaMedeiros

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.

test/message/error_aggregateTwoErrors.out

@@ -9,7 +9,29 @@ AggregateError: original
  at 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 Module._extensions..js (node:internal/modules/cjs/loader:*:*)
+ at Module.load (node:internal/modules/cjs/loader:*:*)
+ at 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 Module._extensions..js (node:internal/modules/cjs/loader:*:*)
+ at Module.load (node:internal/modules/cjs/loader:*:*)
+ at 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'
+ }
+ ]
 }
 
 Node.js *