View Count not working

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For some reason the View Count increments by 2 instead of 1. Any suggestions?

import wixData from ‘wix-data’;

//Voting and Viewing code

export function ifNull(a){
return (a===undefined) ? 0 : a;
}

var currentItem, ds;

export function ratingsDataset_ready() {
ds = $w (‘#ratingsDataset’);
currentItem = ds.getCurrentItem();

//Increment the number of views on this item 
let views = ifNull(currentItem.viewCount) + 1; 

//In case the number of votes is null, set it to zero 
let votes = ifNull(currentItem.voteCount); 
ds.setFieldValue('viewCount', views); 
ds.setFieldValue('voteCount', votes); 
ds.save();

}

export function vectorHeart_click(event) {
$w(‘#vectorHeart’).hide();
$w(‘#vectorHeartRed’).show();

 //increment the number of votes and save it 
let votes = ifNull(currentItem.voteCount) + 1; 
ds.setFieldValue('voteCount', votes); 
ds.save()

}