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Fix crash when passing null to clearImmediate

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Summary:Passing `undefined` or `null` to `clearImmediate` caused apps to crash. It it caused because we try to find the index of the null/undefined timer when we should just do nothing when passed these values.

It is already handled properly in the other Timer functions.

**Test plan**
Calling `clearImmediate` with `undefined` or `null` should do nothing.
Closes https://github.com/facebook/react-native/pull/6192

Differential Revision: D2987778

Pulled By: vjeux

fb-gh-sync-id: 6fd38cfa3c10012caa2afb27cbdab95df696a769
shipit-source-id: 6fd38cfa3c10012caa2afb27cbdab95df696a769
This commit is contained in:
Janic Duplessis 2016-02-28 11:40:50 -08:00 committed by Facebook Github Bot 6
parent 3cc4f97f04
commit 44fcf22074
1 changed files with 4 additions and 4 deletions
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8
Libraries/JavaScriptAppEngine/System/JSTimers/JSTimers.js
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@ -106,10 +106,10 @@ var JSTimers = {
clearImmediate: function(timerID) {
JSTimers._clearTimerID(timerID);
JSTimersExecution.immediates.splice(
JSTimersExecution.immediates.indexOf(timerID),
1
);
var index = JSTimersExecution.immediates.indexOf(timerID);
if (index !== -1) {
JSTimersExecution.immediates.splice(index, 1);
}
},
cancelAnimationFrame: function(timerID) {