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4a80dceac7
Reviewed By: yungsters Differential Revision: D4950085 fbshipit-source-id: 44574b5d0ef0d2ad5dfc714309b18dc69cbad9ff
58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @flow
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* @providesModule RNTesterNavigationReducer
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*/
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'use strict';
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// $FlowFixMe : This is a platform-forked component, and flow seems to only run on iOS?
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const RNTesterList = require('./RNTesterList');
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export type RNTesterNavigationState = {
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openExample: ?string,
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};
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function RNTesterNavigationReducer(
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state: ?RNTesterNavigationState,
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action: any
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): RNTesterNavigationState {
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if (
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// Default value is to see example list
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!state ||
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// Handle the explicit list action
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action.type === 'RNTesterListAction' ||
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// Handle requests to go back to the list when an example is open
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(state.openExample && action.type === 'RNTesterBackAction')
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) {
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return {
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// A null openExample will cause the views to display the RNTester example list
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openExample: null,
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};
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}
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if (action.type === 'RNTesterExampleAction') {
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// Make sure we see the module before returning the new state
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const ExampleModule = RNTesterList.Modules[action.openExample];
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if (ExampleModule) {
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return {
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openExample: action.openExample,
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};
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}
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}
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return state;
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}
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module.exports = RNTesterNavigationReducer;
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