Implement TextPath: first step (iOS)

lib/extract/extractText.js

@@ -79,7 +79,7 @@ function parseDelta(delta) {
     }
 }
 
-export default function(props, isText) {
+export default function(props, container) {
     const {
         x,
         y,
@@ -95,7 +95,7 @@ export default function(props, isText) {
     let content = null;
 
     if (typeof children === 'string') {
-        if (isText) {
+        if (container) {
             children = <TSpan>{children}</TSpan>;
         } else {
             content = children;