Placeholder -> Suspense (facebook#1182)

Author: gaearon

backend/attachRendererFiber.js

@@ -86,8 +86,9 @@ function getInternalReactConstants(version) {
  PURE_SYMBOL_STRING: 'Symbol(react.pure)',
  STRICT_MODE_NUMBER: 0xeacc,
  STRICT_MODE_SYMBOL_STRING: 'Symbol(react.strict_mode)',
- PLACEHOLDER_NUMBER: 0xead1,
- PLACEHOLDER_SYMBOL_STRING: 'Symbol(react.placeholder)',
+ SUSPENSE_NUMBER: 0xead1,
+ SUSPENSE_SYMBOL_STRING: 'Symbol(react.suspense)',
+ DEPRECATED_PLACEHOLDER_SYMBOL_STRING: 'Symbol(react.placeholder)',
  };
  ReactTypeOfSideEffect = {
  PerformedWork: 1,
@@ -133,8 +134,9 @@ function attachRendererFiber(hook: Hook, rid: string, renderer: ReactRenderer):
  PURE_SYMBOL_STRING,
  STRICT_MODE_NUMBER,
  STRICT_MODE_SYMBOL_STRING,
- PLACEHOLDER_NUMBER,
- PLACEHOLDER_SYMBOL_STRING,
+ SUSPENSE_NUMBER,
+ SUSPENSE_SYMBOL_STRING,
+ DEPRECATED_PLACEHOLDER_SYMBOL_STRING,
  } = ReactSymbols;
 
  // TODO: we might want to change the data structure
@@ -302,10 +304,11 @@ function attachRendererFiber(hook: Hook, rid: string, renderer: ReactRenderer):
  name = 'StrictMode';
  children = [];
  break;
- case PLACEHOLDER_NUMBER:
- case PLACEHOLDER_SYMBOL_STRING:
+ case SUSPENSE_NUMBER:
+ case SUSPENSE_SYMBOL_STRING:
+ case DEPRECATED_PLACEHOLDER_SYMBOL_STRING:
  nodeType = 'Special';
- name = 'Placeholder';
+ name = 'Suspense';
  props = fiber.memoizedProps;
  children = [];
  break;