Question

113

how to make axios call synchronous?

rated 0 times [ 117] [ 4] / answers: 1 / hits: 53320 / 6 Years ago, fri, july 27, 2018, 12:00:00

I am experiencing an issue where get_user() is running after console.log(usersOutput, 'here'). How can I change it such that get_user() run first?

function get_user(user){

        axios.get(`/api/admin/users`,{params:{idnum:user}}).then((user)=>{

           console.log('got user')

           return user.data

        })

}



var UsersFormatter = function(c){

    let usersOutput = 'waiting for change'

    var usersOutput = get_user(c.cell.row.data.sessionUser)

    console.log(usersOutput,' here')

    return usersOutput

}

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gerardob

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2 Years ago

answered 6 Years ago freddiej · Accepted Answer

You don't make it synchronous, that will block the thread, which you never want to do. Just return the promise from the function and pass the promise around instead of the data:

function get_user(user){

    // return this promise

    return axios.get(`/api/admin/users`,{params:{idnum:user}}).then((user)=>{

        console.log('got user')

        return user.data

    })

}



var UsersFormatter = function(c){

    // return this promise too, so callers of UserFormatter can get the data 

    return get_user(c.cell.row.data.sessionUser)

    .then((data) => /* format data and return */)

}