fetching_bank_statements.js

['2014', '2015','2016','2017','2018','2019','2020','2021','2022'].map(year=>{ return ['01','02','03','04', '05','06','07','08','09','10','11','12'].map(month=>[year, month]);}).flat()
    .forEach(async ([year, month])=>{
        let fetch_url = `https://www.mybenefitwallet.com/BW/activities/eStatement?year=${year}&month=${month}`;
        // https://stackoverflow.com/a/24586168/1175496
        await fetch(fetch_url) 
        .then(response => response.blob())
        .then(blob => {
            var url = window.URL.createObjectURL(blob);
            var a = document.createElement('a');
            a.href = url;
            a.download = `${year}${month}__statements.pdf`;
            document.body.appendChild(a); // we need to append the element to the dom -> otherwise it will not work in firefox
            a.click();    
            a.remove();  //afterwards we remove the element again         
        })
    });