anchored_without_cut_and_paste.jsx

// create anchored object without cut&paste

// create a hidden doc
var doc = app.documents.add(false);
var tf = doc.textFrames.add({geometricBounds:[0,0,105,200]});
var rect = doc.rectangles.add({geometricBounds:[40,40,60,80], fillColor:"Magenta"});

// create a library
var lib_file = new File("~/Desktop/tmp.indl");
var libr;
try {
  libr = app.libraries.add(lib_file);
}
catch(e){
  libr = app.libraries.item(lib_file.name);
}

// store the item as first asset
libr.store(rect);

// place!
libr.assets.firstItem().placeAsset(tf.insertionPoints[0]);

// remove
rect.remove();
libr.close();
lib_file.remove();

// confirm it
doc.windows.add();