diff --git a/source b/source index 588ffb597f8..37dccaa0f86 100644 --- a/source +++ b/source @@ -2764,6 +2764,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
  • Well-Known Intrinsic Objects, including %Array.prototype%, %Error.prototype%, + %AggregateError.prototype%, %EvalError.prototype%, %Function.prototype%, %JSON.parse%, @@ -8143,8 +8144,8 @@ interface DOMStringList {

  • Let name be ? Get(value, "name").

    • -

  • If name is not one of "Error", "EvalError", "RangeError", "ReferenceError", - "SyntaxError", "TypeError", or "URIError", then set name to "Error".

    • +

  • If name is not one of "AggregateError", "Error", "EvalError", "RangeError", + "ReferenceError", "SyntaxError", "TypeError", or "URIError", then set name to

  • Let valueMessageDesc be ? value.[[GetOwnProperty]]("message").

    • @@ -8153,8 +8154,24 @@ interface DOMStringList { IsDataDescriptor(valueMessageDesc) is false, and ? ToString(valueMessageDesc.[[Value]]) otherwise.

    +

  • Let errors be undefined.

    • + +
  • +

    If name is "AggregateError", then:

    + +
      +

    1. Let errorsDesc be ? value.[[GetOwnProperty]]("errors").

      2. + +

    2. If IsDataDescriptor(errorsDesc) is true, then set + errors to ? + StructuredSerializeInternal(errorsDesc.[[Value]], + forStorage, memory).

      3. +
    +
    • +

  • Set serialized to { [[Type]]: "Error", [[Name]]: name, - [[Message]]: message }.

    • + [[Message]]: message, [[Errors]]: errors }.

  • User agents should attach a serialized representation of any interesting accompanying @@ -8557,6 +8574,9 @@ o.myself = o;

    1. Let prototype be %Error.prototype%.

      2. +

    2. If serialized.[[Name]] is "AggregateError", then set prototype to + %AggregateError.prototype%.

      3. +

    3. If serialized.[[Name]] is "EvalError", then set prototype to %EvalError.prototype%.

      4. @@ -8575,11 +8595,11 @@ o.myself = o;

    4. If serialized.[[Name]] is "URIError", then set prototype to %URIError.prototype%.

      5. -

    5. Let message be serialized.[[Message]].

      6. -

    6. Set value to ! ObjectCreate(prototype, « [[ErrorData]] »).

      7. +

    7. Let message be serialized.[[Message]].

      8. +

    8. Let messageDesc be PropertyDescriptor{ [[Value]]: message, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }.

      9. @@ -8588,6 +8608,16 @@ o.myself = o; OrdinaryDefineOwnProperty(value, "message", messageDesc).

      +

    9. Let errors be serialized.[[Errors]].

      10. + +

    10. Let errorsDesc be PropertyDescriptor{ [[Value]]: + errors, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true + }.

      11. + +

    11. If errors is not undefined, then perform ! + OrdinaryDefineOwnProperty(value, "errors", + errorsDesc).

      12. +

    12. Any interesting accompanying data attached to serialized should be deserialized and attached to value.