Sample code for creating a text layer in Photoshop using raw PS events

PSMinText.jsx

const kfontNameStr                 = app.stringIDToTypeID("fontName");
const kfontPostScriptNameStr       = app.stringIDToTypeID("fontPostScriptName");
const kfontStyleNameStr            = app.stringIDToTypeID("fontStyleName");
const kfromStr                     = app.stringIDToTypeID("from");
const khorizontalStr               = app.stringIDToTypeID("horizontal");
const kmakeStr                     = app.stringIDToTypeID("make");
const kmodalToolChangeKindPaint    = app.stringIDToTypeID("paint");
const knullStr                     = app.stringIDToTypeID("null");
const kpercentUnitStr              = app.stringIDToTypeID("percentUnit");
const kpointsUnitStr               = app.stringIDToTypeID("pointsUnit");
const ksizeStr                     = app.stringIDToTypeID("size");
const ktextClickPointStr           = app.stringIDToTypeID("textClickPoint");
const ktextKeyStr                  = app.stringIDToTypeID("textKey");
const ktextLayerStr                = app.stringIDToTypeID("textLayer");
const ktextStyleRangeStr           = app.stringIDToTypeID("textStyleRange");
const ktextStyleStr                = app.stringIDToTypeID("textStyle");
const ktoStr                       = app.stringIDToTypeID("to");
const kusingStr                    = app.stringIDToTypeID("using");
const kverticalStr                 = app.stringIDToTypeID("vertical");


// =======================================================
    var textString = "Text to place in layer";
    var desc5 = new ActionDescriptor();
        var ref1 = new ActionReference();
        ref1.putClass( ktextLayerStr );
    desc5.putReference( knullStr, ref1 );
        var desc6 = new ActionDescriptor();
        desc6.putString( ktextKeyStr, textString );
           var desc8 = new ActionDescriptor();
            desc8.putUnitDouble( khorizontalStr, kpointsUnitStr, 10 );
            desc8.putUnitDouble( kverticalStr, kpointsUnitStr, 20 );
        desc6.putObject( ktextClickPointStr, kmodalToolChangeKindPaint, desc8 );
          var list2 = new ActionList();
                var desc14 = new ActionDescriptor();
                desc14.putInteger( kfromStr, 0 );
                desc14.putInteger( ktoStr, textString.length );
                    var desc15 = new ActionDescriptor();
                    desc15.putString( kfontPostScriptNameStr, """MyriadPro-Regular""" );
                    desc15.putString( kfontNameStr, """Myriad Pro""" );
                    desc15.putString( kfontStyleNameStr, """Regular""" );
                   desc15.putUnitDouble( ksizeStr, kpointsUnitStr, 12.000000 );
             desc14.putObject( ktextStyleStr, ktextStyleStr, desc15 );
            list2.putObject( ktextStyleRangeStr, desc14 );
        desc6.putList( ktextStyleRangeStr, list2 );
    desc5.putObject( kusingStr, ktextLayerStr, desc6 );
executeAction( kmakeStr, desc5, DialogModes.NO );