Fabric: More graphic values conversions from dynamic type

Summary: Trivial.

Reviewed By: mdvacca

Differential Revision: D7738578

fbshipit-source-id: 3112e523dd1cdceff90a8596033f9516aa2c8156

ReactCommon/fabric/graphics/graphicValuesConversions.cpp

@@ -69,5 +69,23 @@ std::string stringFromEdgeInsets(const EdgeInsets &edgeInsets) {
     folly::to<std::string>(edgeInsets.bottom) + "}";
 }
 
+Float floatFromDynamic(const folly::dynamic &value) {
+  return value.asDouble();
+}
+
+Point pointFromDynamic(const folly::dynamic &value) {
+  if (value.isArray()) {
+    return Point {(Float)value[0].asDouble(), (Float)value[1].asDouble()};
+  }
+  abort();
+}
+
+Size sizeFromDynamic(const folly::dynamic &value) {
+  if (value.isArray()) {
+    return Size {(Float)value[0].asDouble(), (Float)value[1].asDouble()};
+  }
+  abort();
+}
+
 } // namespace react
 } // namespace facebook

ReactCommon/fabric/graphics/graphicValuesConversions.h

@@ -26,5 +26,9 @@ std::string stringFromSize(const Size &size);
 std::string stringFromRect(const Rect &rect);
 std::string stringFromEdgeInsets(const EdgeInsets &edgeInsets);
 
+Float floatFromDynamic(const folly::dynamic &value);
+Point pointFromDynamic(const folly::dynamic &value);
+Size sizeFromDynamic(const folly::dynamic &value);
+
 } // namespace react
 } // namespace facebook