Include $$typeof on inlined React elements

See facebook/react#4832.
sophiebits · Sep 10, 2015 · e0871c9 · e0871c9
1 parent 436ba9b
commit e0871c9
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diff --git a/packages/babel/src/transformation/file/index.js b/packages/babel/src/transformation/file/index.js
@@ -92,6 +92,7 @@ export default class File {
     "temporal-undefined",
     "temporal-assert-defined",
     "self-global",
+    "typeof-react-element",
     "default-props",
     "instanceof",
 

diff --git a/packages/babel/src/transformation/templates/helper-typeof-react-element.js b/packages/babel/src/transformation/templates/helper-typeof-react-element.js
@@ -0,0 +1 @@
+(typeof Symbol === 'function' && Symbol.for && Symbol.for('react.element')) || 0xeac7
diff --git a/packages/babel/src/transformation/transformers/optimisation/react.inline-elements.js b/packages/babel/src/transformation/transformers/optimisation/react.inline-elements.js
@@ -61,6 +61,7 @@ export var visitor = {
     }
 
     // metadata
+    pushElemProp("$$typeof", file.addHelper("typeof-react-element"));
     pushElemProp("type", type);
     pushElemProp("ref", t.literal(null));