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1506 stevensc 1 
import { v4 as uuid } from 'uuid'
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import { notificationActionTypes } from './notification.types'
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const NotificationInitialState = {
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  notifications: []
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}
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const notificationReducer = (
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  state = NotificationInitialState,
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  { type, payload }
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) => {
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  switch (type) {
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    case notificationActionTypes.ADD_NOTIFICATION: {
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      const newNotification = { ...payload, id: uuid() }
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      const alreadyExist = state.notifications.find(
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        (notification) => notification.msg === newNotification.msg
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      )
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      if (alreadyExist) return state
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      return {
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        ...state,
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        notifications: [newNotification, ...state.notifications]
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      }
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    }
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    case notificationActionTypes.REMOVE_NOTIFICATION: {
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      const idToFilter = payload
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      return {
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        ...state,
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        notifications: state.notifications.filter(
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          (element) => element.id !== idToFilter
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        )
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      }
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    }
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    default:
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      return state
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  }
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}
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export default notificationReducer