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NavigationExperimental: Avoid double push on double-tap in UIExplorer

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Reviewed By: javache

Differential Revision: D3033918

fb-gh-sync-id: 9085db138754f1aa557f0190456529e5e71ac27b
shipit-source-id: 9085db138754f1aa557f0190456529e5e71ac27b
This commit is contained in:
Eric Vicenti
2016-03-10 11:16:01 -08:00
committed by Facebook Github Bot 1
parent c304364af4
commit 30166c52cb
2 changed files with 7 additions and 3 deletions
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6
Examples/UIExplorer/UIExplorerNavigationReducer.js
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@@ -36,8 +36,12 @@ export type UIExplorerNavigationState = {
};
const UIExplorerStackReducer = StackReducer({
getPushedReducerForAction: (action) => {
getPushedReducerForAction: (action, lastState) => {
if (action.type === 'UIExplorerExampleAction' && UIExplorerList.Modules[action.openExample]) {
if (lastState.children.find(child => child.key === action.openExample)) {
// The example is already open, we should avoid pushing examples twice
return null;
}
return (state) => state || {key: action.openExample};
}
return null;