Photoshop Batch Process - Change Text and Export

photoshop-change-text-and-export.js

// This script works well with Photoshop CC 2017
// Adopted from stackoverflow.com/questions/14571008/photoshop-scripting-changing-text-of-a-text-layer

Array.prototype.forEach = function (fn) {
  for (var i = 0; i < this.length; i++) {
    fn(this[i], i);
  }
};

var doc;

try {
  doc = app.activeDocument;
} catch(e) {

}

var txtLayer = doc.artLayers.getByName('content')

var data = [ 'text goes here', 'another text' ]

if (txtLayer) {

  data.forEach(function (text, num) {
    txtLayer.textItem.contents = '　　' + text;

    var ext = '.png',
        dir = decodeURI(doc.path) + '/output',
        fileFullName = dir + '/' + num + ext,
        i = 0;

    if (!Folder(dir).exists) {
      Folder(dir).create();
    }

    while (File(fileFullName).exists) {
      fileFullName = dir + '/' + num + '-' + (++i) + ext;
    }

    var file = new File(fileFullName),
        opts = new ExportOptionsSaveForWeb();

    opts.format = SaveDocumentType.PNG;
    opts.PNG8 = true;

    // opts.format = SaveDocumentType.JPEG;
    // opts.optimized = true;

    doc.exportDocument(file, ExportType.SAVEFORWEB, opts);
  })

    
}

// if (doc) {
//   doc.close(SaveOptions.DONOTSAVECHANGES);
// }

doc = null;