[node] Support setLayoutProperty(..., "visibility", ...)

platform/node/src/node_style.hpp

@@ -46,4 +46,22 @@ PropertySetter makePropertySetter(void (L::*setter)(mbgl::style::PropertyValue<V
     };
 }
 
+inline bool setVisibility(mbgl::style::Layer& layer, const v8::Local<v8::Value>& value) {
+    if (value->IsNull() || value->IsUndefined()) {
+        layer.setVisibility(mbgl::style::VisibilityType::Visible);
+        return true;
+    }
+
+    if (!value->IsString()) {
+        Nan::ThrowTypeError("visibility value must be \"visible\" or \"none\"");
+        return false;
+    }
+
+    layer.setVisibility(std::string(*Nan::Utf8String(value)) == "none"
+        ? mbgl::style::VisibilityType::None
+        : mbgl::style::VisibilityType::Visible);
+
+   return true;
+}
+
 }

platform/node/src/node_style_properties.hpp

@@ -13,6 +13,8 @@ inline PropertySetters makeLayoutPropertySetters() {
     using namespace mbgl::style;
     PropertySetters result;
 
+    result["visibility"] = &setVisibility;
+
 
     result["line-cap"] = makePropertySetter(&LineLayer::setLineCap);
     result["line-join"] = makePropertySetter(&LineLayer::setLineJoin);

platform/node/src/node_style_properties.hpp.ejs

@@ -10,6 +10,8 @@ inline PropertySetters makeLayoutPropertySetters() {
     using namespace mbgl::style;
     PropertySetters result;
 
+    result["visibility"] = &setVisibility;
+
 <% for (const layer of locals.layers) { -%>
 <% for (const property of layer.layoutProperties) { -%>
     result["<%- property.name %>"] = makePropertySetter(&<%- camelize(layer.type) %>Layer::set<%- camelize(property.name) %>);