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Add sub-reducer support to NavigationStackReducer

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Summary: Revise APIs of reducers, and ensure the stack reducer can support sub-reducers

Reviewed By: javache

Differential Revision: D2959915

fb-gh-sync-id: 20b28b9ead7ace3373489a806486999048d32aef
shipit-source-id: 20b28b9ead7ace3373489a806486999048d32aef
This commit is contained in:
Eric Vicenti
2016-02-22 16:15:42 -08:00
committed by facebook-github-bot-6
parent 876ecb291f
commit dcb68db758
10 changed files with 253 additions and 369 deletions
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23
Examples/UIExplorer/UIExplorerNavigationReducer.js
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@@ -36,13 +36,20 @@ export type UIExplorerNavigationState = {
};
const UIExplorerStackReducer = StackReducer({
key: 'UIExplorerMainStack',
initialStates: [
{key: 'AppList'},
],
initialIndex: 0,
matchAction: action => action.openExample && !!UIExplorerList.Modules[action.openExample],
actionStateMap: action => ({ key: action.openExample, }),
getPushedReducerForAction: (action) => {
if (action.type === 'UIExplorerExampleAction' && UIExplorerList.Modules[action.openExample]) {
return (state) => state || {key: action.openExample};
}
return null;
},
getReducerForState: (initialState) => (state) => state || initialState,
initialState: {
key: 'UIExplorerMainStack',
index: 0,
children: [
{key: 'AppList'},
],
},
});
function UIExplorerNavigationReducer(lastState: ?UIExplorerNavigationState, action: any): UIExplorerNavigationState {
@@ -86,7 +93,7 @@ function UIExplorerNavigationReducer(lastState: ?UIExplorerNavigationState, acti
if (newStack !== lastState.stack) {
return {
externalExample: null,
stack: UIExplorerStackReducer(null, action),
stack: newStack,
}
}
return lastState;