score:0

Standard has specific support for problems like this.

All you need to do is add a comment informing standard that there is a variable provided by the global scope.

// MyStuff.js
/* global localStorage */

// Use localStorage below with no linter errors

score:15

You could use a check whether the code is being executed on the server or on the client side by checking whether module is not 'undefined':

var isNode = typeof module !== 'undefined'

You can then proceed to only executed this code on the client side:

if(!isNode){
   //use the local storage
   var myItem = localStorage.getItem(itemTitle)
}

However, you should already always check whether Storage is defined before using since not all browsers support it:

if(typeof(Storage) !== "undefined"){
   //use the local storage
}

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