Adds colored text labels for cyan, magenta, yellow and black inks, and any additional spot color. Adobe Illustrator script

ShowInkList.jsx

/*
  Adds colored text labels for cyan, magenta, yellow and black inks, and any additional spot color used in each artboard
  Discussion: https://community.adobe.com/t5/illustrator-discussions/adding-color-names-instead-of-color-bars/td-p/14718668
  Author: Sergey Osokin, email: hi@sergosokin.ru
  Check my other scripts: https://github.com/creold
  
  Donate (optional):
  If you find this script helpful, you can buy me a coffee
  - via Buymeacoffee: https://www.buymeacoffee.com/aiscripts
  - via Donatty https://donatty.com/sergosokin
  - via DonatePay https://new.donatepay.ru/en/@osokin
  - via YooMoney https://yoomoney.ru/to/410011149615582
*/

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

function main () {
  if (!/illustrator/i.test(app.name)) {
    alert('Wrong application\nRun script from Adobe Illustrator', 'Script error');
    return false;
  }

  if (parseFloat(app.version) < 16) {
    alert('Wrong app version\nSorry, script only works in Illustrator CS6 and later', 'Script error');
    return;
  }

  if (!documents.length) {
    alert('No documents\nOpen a document and try again', 'Script error');
    return;
  }

  var win = new Window('dialog', 'Show Ink List v0.2.1');
      win.alignChildren = ['fill', 'top'];
      win.spacing = 10;
      win.margins = 16;

  var fontGrp = win.add('group');
      fontGrp.alignChildren = ['fill', 'center'];

  var fontLbl = fontGrp.add('statictext', undefined, 'Font Size, pt:');
      fontLbl.preferredSize.width = 75;

  var fontInp = fontGrp.add('edittext', undefined, 12);
      fontInp.characters = 8;

  var spGrp = win.add('group');
      spGrp.alignChildren = ['fill', 'center'];

  var spLbl = spGrp.add('statictext', undefined, 'Spacing, pt:');
      spLbl.preferredSize.width = 75;

  var spInp = spGrp.add('edittext', undefined, 15);
      spInp.characters = 8;

  var isUsed = win.add('checkbox', undefined, 'Show Only Used Inks');
      isUsed.value = true;
      isUsed.helpTip = 'Collects a ink list\nfor each artboard';

  var btns = win.add('group');

  var cancel = btns.add('button', undefined, 'Cancel', {name: 'cancel'});
  var ok = btns.add('button', undefined, 'OK', {name: 'ok'});

  var copyright = win.add('statictext', undefined, '\u00A9 Sergey Osokin. Visit Github');
      copyright.justify = 'center';

  cancel.onClick = win.close;

  ok.onClick = function () {
    var doc = app.activeDocument;
    app.executeMenuCommand('deselectall');
  
    try {
      var newLayer = doc.layers.getByName('InkNames');
      newLayer.locked = false;
      newLayer.visible = true;
      newLayer.hasSelectedArtwork = true;
      // Remove previous text labels
      for (var s = app.selection.length - 1;s >= 0;s--) {
        app.selection[s].remove();
      }
    } catch (err) {
      var newLayer = doc.layers.add();
      newLayer.name = 'InkNames';
    }

    var font = parseFloat(fontInp.text);
    if (isNaN(font)) font = 12;

    var spacing = parseFloat(spInp.text);
    if (isNaN(spacing)) spacing = 15;

    var artboards = doc.artboards;
    var length = artboards.length;

    for (var i = 0; i < length; i++) {
      app.executeMenuCommand('deselectall');
      doc.artboards.setActiveArtboardIndex(i);
      doc.selectObjectsOnActiveArtboard();

      if (!app.selection.length) continue;

      var inks = length === 1 ? getUsedInks(doc.inkList, isUsed.value) 
      : getArtboardInks(app.selection, doc.documentColorSpace, isUsed.value);

      var ab = artboards[i];
      var abRect = ab.artboardRect;
  
      addInkNames(doc, inks, abRect[0], abRect[3], spacing, font, newLayer);
    }

    if (!newLayer.pageItems.length) newLayer.remove();

    app.executeMenuCommand('deselectall');
    win.close();
  }

  copyright.addEventListener('mousedown', function () {
    openURL('https://github.com/creold');
  });

  win.show();
}

// Add a list of current ink names to a document at specified positions
function addInkNames(doc, inks, left, bottom, spacing, font, target) {
  var x = left - spacing;
  var y = bottom + spacing;

  for (var i = 0; i < inks.length; i++) {
    var inkName = inks[i].name;
    var inkNameText = target.textFrames.add();

    inkNameText.contents = inkName;
    inkNameText.textRange.characterAttributes.size = font;

    var inkNameTextChar = inkNameText.textRange.characterAttributes;

    switch (inks[i].inkInfo.kind) {
      case InkType.CYANINK:
        inkNameText.contents = 'Process Cyan';
        inkNameTextChar.fillColor = setCMYKColor([100, 0, 0, 0]);
        break;
      case InkType.MAGENTAINK:
        inkNameText.contents = 'Process Magenta';
        inkNameTextChar.fillColor = setCMYKColor([0, 100, 0, 0]);
        break;
      case InkType.YELLOWINK:
        inkNameText.contents = 'Process Yellow';
        inkNameTextChar.fillColor = setCMYKColor([0, 0, 100, 0]);
        break;
      case InkType.BLACKINK:
        inkNameText.contents = 'Process Black';
        inkNameTextChar.fillColor = setCMYKColor([0, 0, 0, 100]);
        break;
      case InkType.CUSTOMINK:
        try {
          inkNameTextChar.fillColor = doc.swatches.getByName(inkName).color;
        } catch (err) {}
        break;
    }

    inkNameText.rotate(90, true, true, true, true, Transformation.CENTER);
    inkNameText.position = [x - inkNameText.width, y + inkNameText.height];
    y += inkNameText.height + spacing;
  }
}

// Retrieve a list of inks used in the specified items on an artboard
function getArtboardInks(items, colorMode, isUsed) {
  var newDoc = app.documents.add(colorMode);
  copyObjectsTo(items, newDoc);
  app.executeMenuCommand('Fit Artboard to artwork bounds');

  var inks = newDoc.inkList;
  var result = getUsedInks(inks, isUsed);

  newDoc.close(SaveOptions.DONOTSAVECHANGES);

  return result;
}

function getUsedInks(inks, isUsed) {
  var result = [];
  for (var i = 0; i < inks.length; i++) {
    if (!isUsed || inks[i].inkInfo.printingStatus === InkPrintStatus.ENABLEINK) {
      result.push(inks[i]);
    }
  }
  return result;
}

// Duplicate objects and add them to a document
function copyObjectsTo(items, doc) {
  if (Object.prototype.toString.call(items) === '[object Array]') {
    for (var i = 0; i < items.length; i++) {
      items[i].duplicate(doc.activeLayer, ElementPlacement.PLACEATEND);
    }
  } else {
    items.duplicate(doc.activeLayer, ElementPlacement.PLACEATBEGINNING);
  }
}

// Generate solid CMYK color
function setCMYKColor(cmyk) {
  var c = new CMYKColor();
  c.cyan = cmyk[0];
  c.magenta = cmyk[1];
  c.yellow = cmyk[2];
  c.black = cmyk[3];
  return c;
}

// Open a URL in the default web browser
function openURL(url) {
  var html = new File(Folder.temp.absoluteURI + '/aisLink.html');
  html.open('w');
  var htmlBody = '<html><head><META HTTP-EQUIV=Refresh CONTENT="0; URL=' + url + '"></head><body> <p></body></html>';
  html.write(htmlBody);
  html.close();
  html.execute();
}

try {
  main();
} catch (err) {}

Warning

Vote to bugfix When getting ink.name, encoding gets broken for non-Latin languages: Chinese, Japanese, Russian, etc.