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LibJS: Add spec comments to Value::to_numeric()

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This commit is contained in:
Linus Groh 2022-12-09 23:59:02 +00:00
parent 63f6099cc3
commit 9a406ccba6
1 changed files with 9 additions and 4 deletions
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13
Userland/Libraries/LibJS/Runtime/Value.cpp
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@ -561,10 +561,15 @@ ThrowCompletionOr<Object*> Value::to_object(VM& vm) const
// 7.1.3 ToNumeric ( value ), https://tc39.es/ecma262/#sec-tonumeric
FLATTEN ThrowCompletionOr<Value> Value::to_numeric(VM& vm) const
{
auto primitive = TRY(to_primitive(vm, Value::PreferredType::Number));
if (primitive.is_bigint())
return primitive;
return primitive.to_number(vm);
// 1. Let primValue be ? ToPrimitive(value, number).
auto primitive_value = TRY(to_primitive(vm, Value::PreferredType::Number));
// 2. If primValue is a BigInt, return primValue.
if (primitive_value.is_bigint())
return primitive_value;
// 3. Return ? ToNumber(primValue).
return primitive_value.to_number(vm);
}
constexpr bool is_ascii_number(u32 code_point)