diff options
Diffstat (limited to 'Userland/Libraries')
| -rw-r--r-- | Userland/Libraries/LibJS/Runtime/ErrorTypes.h | 3 | ||||
| -rw-r--r-- | Userland/Libraries/LibJS/Runtime/Value.cpp | 12 | ||||
| -rw-r--r-- | Userland/Libraries/LibJS/Runtime/Value.h | 2 |
3 files changed, 16 insertions, 1 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/ErrorTypes.h b/Userland/Libraries/LibJS/Runtime/ErrorTypes.h index c23e43a612..db65922626 100644 --- a/Userland/Libraries/LibJS/Runtime/ErrorTypes.h +++ b/Userland/Libraries/LibJS/Runtime/ErrorTypes.h @@ -44,6 +44,7 @@ M(JsonCircular, "Cannot stringify circular object") \ M(JsonMalformed, "Malformed JSON string") \ M(NegativeExponent, "Exponent must be positive") \ + M(NonExtensibleDefine, "Cannot define property {} on non-extensible object") \ M(NotA, "Not a {} object") \ M(NotAConstructor, "{} is not a constructor") \ M(NotAFunction, "{} is not a function") \ @@ -52,7 +53,7 @@ M(NotAnObject, "{} is not an object") \ M(NotASymbol, "{} is not a symbol") \ M(NotIterable, "{} is not iterable") \ - M(NonExtensibleDefine, "Cannot define property {} on non-extensible object") \ + M(NotObjectCoercible, "{} cannot be converted to an object") \ M(NumberIncompatibleThis, "Number.prototype.{}() called with incompatible this target") \ M(ObjectDefinePropertyReturnedFalse, "Object's [[DefineProperty]] method returned false") \ M(ObjectFreezeFailed, "Could not freeze object") \ diff --git a/Userland/Libraries/LibJS/Runtime/Value.cpp b/Userland/Libraries/LibJS/Runtime/Value.cpp index 1801f75245..69e8c3272c 100644 --- a/Userland/Libraries/LibJS/Runtime/Value.cpp +++ b/Userland/Libraries/LibJS/Runtime/Value.cpp @@ -1390,4 +1390,16 @@ Object* species_constructor(GlobalObject& global_object, const Object& object, O vm.throw_exception<TypeError>(global_object, ErrorType::NotAConstructor, species.to_string_without_side_effects()); return nullptr; } + +// 7.2.1 RequireObjectCoercible, https://tc39.es/ecma262/#sec-requireobjectcoercible +Value require_object_coercible(GlobalObject& global_object, Value value) +{ + auto& vm = global_object.vm(); + if (value.is_nullish()) { + vm.throw_exception<TypeError>(global_object, ErrorType::NotObjectCoercible, value.to_string_without_side_effects()); + return {}; + } + return value; +} + } diff --git a/Userland/Libraries/LibJS/Runtime/Value.h b/Userland/Libraries/LibJS/Runtime/Value.h index 37cbf2cfcc..40122ee9a6 100644 --- a/Userland/Libraries/LibJS/Runtime/Value.h +++ b/Userland/Libraries/LibJS/Runtime/Value.h @@ -1,5 +1,6 @@ /* * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org> + * Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org> * * SPDX-License-Identifier: BSD-2-Clause */ @@ -366,6 +367,7 @@ TriState abstract_relation(GlobalObject&, bool left_first, Value lhs, Value rhs) Function* get_method(GlobalObject& global_object, Value, const PropertyName&); size_t length_of_array_like(GlobalObject&, const Object&); Object* species_constructor(GlobalObject&, const Object&, Object& default_constructor); +Value require_object_coercible(GlobalObject&, Value); } |