Stop using Map in JSTimers

Reviewed By: fromcelticpark Differential Revision: D5292912 fbshipit-source-id: a14552b895d586cf24627cc457069d9909b2ecc2
facebook · Jun 22, 2017 · e9f657f · fabriziomoscon · Sep 8, 2017 · e9f657f
1 parent 94d9f00
commit e9f657f
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Showing 2 changed files with 7 additions and 7 deletions.
diff --git a/Libraries/Core/Timers/JSTimers.js b/Libraries/Core/Timers/JSTimers.js
@@ -145,10 +145,10 @@ const JSTimers = {
     const id = _allocateCallback(
       timeout != null ?
         deadline => {
-          const timeoutId = JSTimersExecution.requestIdleCallbackTimeouts.get(id);
+          const timeoutId = JSTimersExecution.requestIdleCallbackTimeouts[id];
           if (timeoutId) {
             JSTimers.clearTimeout(timeoutId);
-            JSTimersExecution.requestIdleCallbackTimeouts.delete(id);
+            JSTimersExecution.requestIdleCallbackTimeouts[id];
           }
           return func(deadline);
         } :
@@ -164,12 +164,12 @@ const JSTimers = {
           JSTimersExecution.requestIdleCallbacks.splice(index, 1);
           JSTimersExecution.callTimer(id, performanceNow(), true);
         }
-        JSTimersExecution.requestIdleCallbackTimeouts.delete(id);
+        delete JSTimersExecution.requestIdleCallbackTimeouts[id];
         if (JSTimersExecution.requestIdleCallbacks.length === 0) {
           Timing.setSendIdleEvents(false);
         }
       }, timeout);
-      JSTimersExecution.requestIdleCallbackTimeouts.set(id, timeoutId);
+      JSTimersExecution.requestIdleCallbackTimeouts[id] = timeoutId;
     }
     return id;
   },
@@ -181,10 +181,10 @@ const JSTimers = {
       JSTimersExecution.requestIdleCallbacks.splice(index, 1);
     }
 
-    const timeoutId = JSTimersExecution.requestIdleCallbackTimeouts.get(timerID);
+    const timeoutId = JSTimersExecution.requestIdleCallbackTimeouts[timerID];
     if (timeoutId) {
       JSTimers.clearTimeout(timeoutId);
-      JSTimersExecution.requestIdleCallbackTimeouts.delete(timerID);
+      delete JSTimersExecution.requestIdleCallbackTimeouts[timerID];
     }
 
     if (JSTimersExecution.requestIdleCallbacks.length === 0) {

diff --git a/Libraries/Core/Timers/JSTimersExecution.js b/Libraries/Core/Timers/JSTimersExecution.js
@@ -45,7 +45,7 @@ const JSTimersExecution = {
   timerIDs: ([] : Array<?number>),
   immediates: [],
   requestIdleCallbacks: [],
-  requestIdleCallbackTimeouts: (new Map() : Map<number, number>),
+  requestIdleCallbackTimeouts: ({} : {[number]: number}),
   identifiers: ([] : Array<null | {methodName: string}>),
 
   errors: (null : ?Array<Error>),