display the text conditionally in a sweetalert modal

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The error was lead by a typo in this line

cancelButtonText; 'No'

where I typed a ; instead of :

Voted to close it as Typo

I am using sweetalert2 on a page where I want to show a modal. The modal should have a text dependent from a condition. So I tried to do:

var action='enable';
Swal.fire({
        title: 'Confermi?',
        text: if(action=='enable'){'Riattivare l\'anagrafica selezionata?'}else{'Disabilitare l\'anagrafica selezionata?'},
        icon: 'warning',
        showCancelButton: true,
        confirmButtonColor: '#3085d6',
        cancelButtonColor: '#d33',
        confirmButtonText: 'Si!',
        cancelButtonText; 'No'
    }).then((result) => {

but this will lead to the following error:

Uncaught syntax error: missing : after property id

This error is caused by this line:

text: if(action=='enable'){'Riattivare l\'anagrafica selezionata?'}else{'Disabilitare l\'anagrafica selezionata?'},

I also tried to use:

text: action=='enable'?'Riattivare l\'anagrafica selezionata?':'Disabilitare l\'anagrafica selezionata?',

but they are equivalent and lead to the same error.

What is the correct syntax to use to make a property value dinamyc based on the value of a variable?

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