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LibJS: Allow conversion from Symbol to String via explicit String() call

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https://tc39.es/ecma262/#sec-string-constructor-string-value has an
explicit special case for Symbols allowing this:

    If NewTarget is undefined and Type(value) is Symbol,
    return SymbolDescriptiveString(value).
This commit is contained in:
Nico Weber 2020-08-21 21:41:43 -04:00 • committed by Andreas Kling
parent aa25fb8875
commit ebd510ef5e
2 changed files with 6 additions and 2 deletions
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2
Libraries/LibJS/Runtime/StringConstructor.cpp
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@ -59,6 +59,8 @@ Value StringConstructor::call(Interpreter& interpreter)
{
if (!interpreter.argument_count())
return js_string(interpreter, "");
if (interpreter.argument(0).is_symbol())
return js_string(interpreter, interpreter.argument(0).as_symbol().to_string());
auto* string = interpreter.argument(0).to_primitive_string(interpreter);
if (interpreter.exception())
return {};