Patterns for deriving state gist9

code.js

function setSetDays(days){
  return (dispatch,getState)=>{
    dispatch({
      type:actionTypes.SET_DAYS,
      payload:days
    })
  }
}
function setFormatted(formatted){
  return (dispatch,getState)=>{
    const [count,unit] = formatted.split(" ");
    const days = unit === "weeks"? count * 7: count;
    dispatch({
      type:actionTypes.SET_DAYS,
      payload:days
    })
  } 
}