jiti-meet/react/features/app/reducer.js

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// @flow
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import { ReducerRegistry } from '../base/redux';
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import { APP_WILL_MOUNT, APP_WILL_UNMOUNT } from './actionTypes';
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ReducerRegistry.register('features/app', (state = {}, action) => {
switch (action.type) {
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case APP_WILL_MOUNT: {
const { app } = action;
if (state.app !== app) {
return {
...state,
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/**
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* The one and only (i.e. singleton) {@link App} instance which
* is currently mounted.
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*
* @type {App}
*/
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app
};
}
break;
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}
case APP_WILL_UNMOUNT:
if (state.app === action.app) {
return {
...state,
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app: undefined
};
}
break;
}
return state;
});