AllMusic Favorites Scraper JS

all-music-scraper.js

for (let i = 1; i < 8; i++) {
  setTimeout(function timer() {
    window.scrollTo({ top: document.body.scrollHeight, behavior: 'smooth' })
    if(i == 7) {
      export_csv_favorites();
    }
  }, i * 4000);
}

function export_csv_favorites() {

  const rows = [["Artist-Album","AllMusic Link"]]
  var title
  var artist
  var combined
  var list = document.getElementById("album-recommendations");
  var items = list.getElementsByClassName("single-album-recommendation");
  for (i = 0; i < items.length; i++) {
    title = items[i].getElementsByTagName('a')[0].getAttribute("oldtitle");
    href = items[i].getElementsByTagName('a')[0].href;
    artist = items[i].getElementsByClassName("artist")[0].innerText;
    combined = artist+' - '+title;
    
    nonrated = items[i].getElementsByClassName('rating-user-00');
    if (nonrated.length > 0) {
      rows[rows.length] = [combined,href];
    }
  }
  
  var today = new Date();
  var dd = String(today.getDate()).padStart(2, '0');
  var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
  var yyyy = today.getFullYear();

  today = mm + '-' + dd + '-' + yyyy;

  filename = "all-music-"+today+".csv"

  exportToCsv(filename,rows)
}

function exportToCsv(filename, rows) {
    var processRow = function (row) {
        var finalVal = '';
        for (var j = 0; j < row.length; j++) {
            var innerValue = row[j] === null ? '' : row[j].toString();
            if (row[j] instanceof Date) {
                innerValue = row[j].toLocaleString();
            };
            var result = innerValue.replace(/"/g, '""');
            if (result.search(/("|,|\n)/g) >= 0)
                result = '"' + result + '"';
            if (j > 0)
                finalVal += ',';
            finalVal += result;
        }
        return finalVal + '\n';
    };

    var csvFile = '';
    for (var i = 0; i < rows.length; i++) {
        csvFile += processRow(rows[i]);
    }

    var blob = new Blob([csvFile], { type: 'text/csv;charset=utf-8;' });
    if (navigator.msSaveBlob) { // IE 10+
        navigator.msSaveBlob(blob, filename);
    } else {
        var link = document.createElement("a");
        if (link.download !== undefined) { // feature detection
            // Browsers that support HTML5 download attribute
            var url = URL.createObjectURL(blob);
            link.setAttribute("href", url);
            link.setAttribute("download", filename);
            link.style.visibility = 'hidden';
            document.body.appendChild(link);
            link.click();
            document.body.removeChild(link);
        }
    }
}