Create Indesign document Script

Make Indesign document with Scripting

//SRA3 size
var x = 320;
var y = 450;

function range(start, stop, step){
  var a=[start], b=start;
  while(b<stop){b+=step;a.push(b)}
  return a;
};

var xs = range(100, x, 1);
var ys = range(100, y, 1);

for (xi = 0; xi < xs.length; ++xi) {
	for (yi = 0; yi < ys.length; ++yi) {
		
		xx = xs[xi];
		yy = ys[yi];

		var doc = app.documents.add();

		with(doc.viewPreferences) {
			horizontalMeasurementUnits = MeasurementUnits.MILLIMETERS;
			verticalMeasurementUnits = MeasurementUnits.MILLIMETERS;
		}
		with(doc.documentPreferences) {
			pageHeight = xx;
			pageWidth = yy;
			pageOrientation = PageOrientation.PORTRAIT;
			pagesPerDocument = 1;

			documentBleedBottomOffset = "3mm";
			documentBleedTopOffset = "3mm";
			documentBleedInsideOrLeftOffset = "3mm";
			documentBleedOutsideOrRightOffset = "3mm";
		}

		with (doc.pages.item(0).marginPreferences){
			columnCount = 3;
			//columnGutter can be a number or a measurement string.
			columnGutter = "5mm";

			bottom = "1cm"
			//When document.documentPreferences.facingPages == true,
			//"left" means inside; "right" means outside.
			left = "1cm"
			right = "1cm"
			top = "1cm"
		}

		//If the active document has not been saved (ever), save it.
		if(app.activeDocument.saved == false){
			//If you do not provide a file name, InDesign will display the Save dialog box.
			app.activeDocument.save(new File("F:/BackUpIomega/OMNIVOOR/IndesignScripts/export_"+xx+"_"+yy+".indd"));
			app.activeDocument.close();
		}

	}
}