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LibJS: Implement Array.prototype.entries
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3 changed files with 56 additions and 0 deletions
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@ -64,6 +64,7 @@ void ArrayPrototype::initialize(GlobalObject& global_object)
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define_native_function(vm.names.flatMap, flat_map, 1, attr);
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define_native_function(vm.names.at, at, 1, attr);
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define_native_function(vm.names.keys, keys, 0, attr);
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define_native_function(vm.names.entries, entries, 0, attr);
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// Use define_property here instead of define_native_function so that
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// Object.is(Array.prototype[Symbol.iterator], Array.prototype.values)
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@ -1264,6 +1265,16 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::values)
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return ArrayIterator::create(global_object, this_object, Object::PropertyKind::Value);
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}
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// 23.1.3.16 Array.prototype.entries ( ), https://tc39.es/ecma262/#sec-array.prototype.entries
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JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::entries)
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{
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auto* this_object = vm.this_value(global_object).to_object(global_object);
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if (!this_object)
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return {};
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return ArrayIterator::create(global_object, this_object, Object::PropertyKind::KeyAndValue);
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}
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// 23.1.3.16 Array.prototype.keys ( ), https://tc39.es/ecma262/#sec-array.prototype.keys
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JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::keys)
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{
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@ -50,6 +50,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(flat_map);
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JS_DECLARE_NATIVE_FUNCTION(at);
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JS_DECLARE_NATIVE_FUNCTION(keys);
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JS_DECLARE_NATIVE_FUNCTION(entries);
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};
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}
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