Method valueToDouble

valdi/src/valdi/hermes/HermesJavaScriptContext.cpp:862–887

}

double HermesJavaScriptContext::valueToDouble(const JSValue& value, JSExceptionTracker& exceptionTracker) {
    hermes::vm::GCScope gcScope(*_runtime);
    auto hermesValue = toHermesValue(value);
    if (hermesValue.isUndefined() || hermesValue.isNull()) {
        return 0.0;
    } else if (hermesValue.isNumber()) {
        return hermesValue.getNumber();
    } else if (hermesValue.isBool()) {
        return hermesValue.getBool() ? 1.0 : 0.0;
    } else if (hermesValue.isString()) {
        auto stringView =
            hermes::vm::StringPrimitive::createStringView(*_runtime, _runtime->makeHandle(hermesValue.getString()));
        std::string utf8;
        if (stringView.isASCII()) {
            utf8 += std::string_view(stringView.castToCharPtr(), stringView.length());
            ;
        } else {
            auto converted = Valdi::utf16ToUtf8(stringView.castToChar16Ptr(), stringView.length());
            utf8 += std::string_view(converted.first, converted.second);
        }

        return atof(utf8.c_str()); // NOLINT(cert-err34-c)
    } else {
        return 0.0;
    }
}

int32_t HermesJavaScriptContext::valueToInt(const JSValue& value, JSExceptionTracker& exceptionTracker) {
    return static_cast<int32_t>(valueToDouble(value, exceptionTracker));