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LibJS: Handle Infinity in Value::to_number()

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This commit is contained in:
Linus Groh
2020-04-12 13:06:34 +01:00
committed by Andreas Kling
parent 477bacddad
commit f226746394
3 changed files with 17 additions and 0 deletions
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5
Libraries/LibJS/Runtime/Value.cpp
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@@ -136,9 +136,14 @@ Value Value::to_number() const
case Type::Null:
return Value(0);
case Type::String: {
// FIXME: Trim whitespace beforehand
auto& string = as_string()->string();
if (string.is_empty())
return Value(0);
if (string == "Infinity" || string == "+Infinity")
return js_infinity();
if (string == "-Infinity")
return Value(-js_infinity().as_double());
bool ok;
//FIXME: Parse in a better way
auto parsed_int = string.to_int(ok);