feat: Better formatting for AggregateError (#14285)

This commit adds "aggregated" field to "deno_core::JsError" that stores
instances of "JsError" recursively to properly handle "AggregateError"
formatting. Appropriate logics was added to "PrettyJsError" and
"console" API to format AggregateErrors.

Co-authored-by: Nayeem Rahman <nayeemrmn99@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/cli/tests/testdata/aggregate_error.ts b/cli/tests/testdata/aggregate_error.ts
new file mode 100644
index 000000000..ce4b54376
--- /dev/null
+++ b/cli/tests/testdata/aggregate_error.ts
@@ -0,0 +1,9 @@
+const aggregateError = new AggregateError([
+  new Error("Error message 1."),
+  new Error("Error message 2."),
+], "Multiple errors.");
+console.log(aggregateError.stack);
+console.log();
+console.log(aggregateError);
+console.log();
+throw aggregateError;