53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
/**
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @format
|
|
* @flow
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
// $FlowFixMe : This is a platform-forked component, and flow seems to only run on iOS?
|
|
const RNTesterList = require('./RNTesterList');
|
|
|
|
export type RNTesterNavigationState = {
|
|
openExample: ?string,
|
|
};
|
|
|
|
function RNTesterNavigationReducer(
|
|
state: ?RNTesterNavigationState,
|
|
action: any,
|
|
): RNTesterNavigationState {
|
|
if (
|
|
// Default value is to see example list
|
|
!state ||
|
|
// Handle the explicit list action
|
|
action.type === 'RNTesterListAction' ||
|
|
// Handle requests to go back to the list when an example is open
|
|
(state.openExample && action.type === 'RNTesterBackAction')
|
|
) {
|
|
return {
|
|
// A null openExample will cause the views to display the RNTester example list
|
|
openExample: null,
|
|
};
|
|
}
|
|
|
|
if (action.type === 'RNTesterExampleAction') {
|
|
// Make sure we see the module before returning the new state
|
|
const ExampleModule = RNTesterList.Modules[action.openExample];
|
|
|
|
if (ExampleModule) {
|
|
return {
|
|
openExample: action.openExample,
|
|
};
|
|
}
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
module.exports = RNTesterNavigationReducer;
|