This is the sort of thing you could do.
//https://forums.adobe.com/thread/1579131
var myWordFile = File.openDialog ("Select Word File");
!myWordFile && exit();
var doc = app.activeDocument, placePage = doc.pages[0], placeFrame = placePage.textFrames[0], newPage, newFrame, pageProperties, frameProperties;
placeFrame.place(File(myWordFile));
if (placeFrame.overflows) {
pageProperties = placePage.properties; frameProperties = placeFrame.properties; newPage = doc.pages.add(pageProperties); newFrame = newPage.textFrames.add(frameProperties); placeFrame.nextTextFrame = null; newFrame.previousTextFrame = placeFrame;
}
doc.textPreferences.smartTextReflow = true;
doc.textPreferences.limitToMasterTextFrames = false;
doc.textPreferences.deleteEmptyPages = true;