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const { Record, List } = require('immutable');
const ACTION_TYPES = require('../actions/TYPES');
const NavigationState = Record({
// Are we loading a new page
loading: Boolean(false),
// Did we fail loading a page?
error: null,
// Listener for history changes
listeners: List()
});
function reduceNavigation(state, action) {
state = state || NavigationState();
switch (action.type) {
case ACTION_TYPES.PAGE_FETCH_START:
return state.merge({
loading: true
});
case ACTION_TYPES.PAGE_FETCH_END:
return state.merge({
loading: false
});
case ACTION_TYPES.PAGE_FETCH_ERROR:
return state.merge({
loading: false,
error: action.error
});
case ACTION_TYPES.NAVIGATION_LISTEN:
return state.merge({
listeners: state.listeners.push(action.listener)
});
default:
return state;
}
}
module.exports = reduceNavigation;
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