31 lines
		
	
	
		
			594 B
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			594 B
		
	
	
	
		
			JavaScript
		
	
	
	
import { List as ImmutableList } from 'immutable';
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import {
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  ALERT_SHOW,
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  ALERT_DISMISS,
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  ALERT_CLEAR,
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} from '../actions/alerts';
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const initialState = ImmutableList([]);
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let id = 0;
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const addAlert = (state, alert) =>
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  state.push({
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    key: id++,
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    ...alert,
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  });
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export default function alerts(state = initialState, action) {
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  switch(action.type) {
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  case ALERT_SHOW:
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    return addAlert(state, action.alert);
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  case ALERT_DISMISS:
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    return state.filterNot(item => item.key === action.alert.key);
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  case ALERT_CLEAR:
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    return state.clear();
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  default:
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    return state;
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  }
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}
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