iterar extrato VR

vr.js

for (var i = 0, months = {}, d = new Date((new Date()).getFullYear(), 0, 1); i < 12; d.setMonth(++i)) {
	months[d.toLocaleDateString('default', {month: 'long'}).replace(/^\w/, c => c.toUpperCase())] = ('0' + (i + 1)).substr(-2);
}

// inspecionar requisição anterior
var suffix = '______________/__';
var token = '____________';
var pages = 50;
var page = 1;
var data = [];
do {
	$.ajax({
		url: `https://www.vr.com.br/api-web/beneficiario/cartao/extrato/${suffix}?page=${page}`,
		type: 'GET',
		dataType: 'json',
		async: false,
		success: r => {
			page++;
			pages = r.qtdPaginas;
			r.itensExtrato.forEach(row => data.push(row));
		},
		beforeSend: xhr => xhr.setRequestHeader('access-token', token)
	});
} while(page <= pages);

var csvData = [];
data.forEach(row => {
	var date = row.descricao.split(' de ');
	date[1] = months[date[1]];
	date.push((new Date).getFullYear());
	var dateFormated = date.join('/');
	row.itensdetalhe.forEach(el => {
		csvData.push([
			dateFormated,
			el.valor.replace(/ /g, ''),
			el.descricao.replace('Consumo - ', '').trim().toLowerCase(),
		]);
	});
});
csvData.map(row => row.join(';')).reverse().join("\n");