RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-02 19:42:14 +00:00
Code Issues Activity Actions

LibJS: Use element index as key for array spread in object

Browse source 
This fixes spreading of arrays with holes in object literals where the
inserted keys are not consecutive numbers.

Fixes #3967.
This commit is contained in:
Linus Groh 2020-11-06 22:49:36 +00:00 • committed by Andreas Kling
parent 06a3625545
commit 745ffca580
2 changed files with 6 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Libraries/LibJS/AST.cpp
View file

@ -1552,7 +1552,7 @@ Value ObjectExpression::execute(Interpreter& interpreter, GlobalObject& global_o
if (key.is_array()) {
auto& array_to_spread = static_cast<Array&>(key.as_object());
for (auto& entry : array_to_spread.indexed_properties()) {
object->indexed_properties().append(entry.value_and_attributes(&array_to_spread).value);
object->indexed_properties().put(object, entry.index(), entry.value_and_attributes(&array_to_spread).value);
if (interpreter.exception())
return {};
}