Count and add text list with the number of visible symbol instances in the document. Adobe Illustrator script

CountSymbols.jsx

/*
  Count and add text list with the number of visible symbol instances in the document
  Discussion: https://community.adobe.com/t5/illustrator-discussions/symbols-count-table/m-p/14155782#M383850
  Author: Loic Aigon, https://www.linkedin.com/in/loicaigon/
  Modification by: Sergey Osokin, email: [email protected]
  Check my other scripts: https://github.com/creold

  Donate (optional):
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*/

//@target illustrator
preferences.setBooleanPreference('ShowExternalJSXWarning', false); // Fix drag and drop a .jsx file

function main() {
  var title = "Symbol Instances:";
  var separator = ": ";

  if (!app.documents.length) {
    alert("This scripts needs an open document !");
    return;
  }

  var doc = app.activeDocument;
  var symbols = doc.symbolItems;
  var n = symbols.length;
  var nSymbol, db = {};
  var arr = [];

  while (n--) {
    if (isHidden(symbols[n])) continue;
    nSymbol = symbols[n].symbol;
    db[nSymbol.name] = db[nSymbol.name] || 0;
    db[nSymbol.name]++;
  }

  for (prop in db) {
    arr.push(prop + separator + db[prop]);
  }

  var lay = getEditableLayer(doc);
  var result = lay.textFrames.add();
  result.contents = (title + "\r" + arr.join("\r"));
  result.top = 700;
  result.left = 400;
  redraw();
}

function isHidden(item) {
  if (item.hasOwnProperty("hidden") && item.hidden == true) {
    return true;
  }
  if (item.hasOwnProperty("visible") && item.visible == false) {
    return true;
  }
  var result = false;
  var prnt = item.parent;
  switch (prnt.typename) {
    case "GroupItem":
      result = isHidden(prnt);
      break;
    case "Layer":
      result = isHidden(prnt);
      break;
    default:
      break;
  }
  return result;
}

function getEditableLayer(doc) {
  var aLay = doc.activeLayer;
  if (aLay.visible && !aLay.locked) return aLay;
  for (var i = 0, len = doc.layers.length; i < len; i++) {
    var curLay = doc.layers[i];
    if (curLay.visible && !curLay.locked) {
      doc.activeLayer = curLay;
      return curLay;
    }
  }
  doc.layers[0].visible = true
  doc.layers[0].locked = false;
  doc.activeLayer = doc.layers[0];
  return doc.layers[0];
}

// Run script
try {
  main();
} catch (err) {}

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