Margins

#includepath "~/Documents/;%USERPROFILE%Documents"; // eslint-disable-line
#include "basiljs/bundle/basil.js"; // eslint-disable-line
// description
function draw() {
  // ----------
  // main code goes here
  var doc = b.doc();
  b.clear(doc);
  b.units(b.MM); // we want to print. use MM instead of default pixels
  var top = 10;
  var left = 10;
  var bottom = 10;
  var right = 10;
  // set the margins of the current page
  b.margins(top, right, bottom, left);
  // set some prefs for the document
  doc.documentPreferences.properties = {
    facingPages: false,
    documentBleedBottomOffset: 3,
    documentBleedTopOffset: 3,
    documentBleedInsideOrLeftOffset: 3,
    documentBleedOutsideOrRightOffset: 3,
    pageHeight: 200,
    pagewidth: 200
  };
  // now some settings for the grid
  doc.gridPreferences.properties = {
    baselineStart: top,
    baselineDivision: "15pt"
  };
  var page = b.page();
  page.marginPreferences.properties = {
    right: right,
    top: top,
    left: left,
    bottom: bottom,
    columnGutter: 5,
    columnCount: 5
  };
  // create a textframe
  // within the margins
  var textFrame = b.text("", left, top, b.width - right * 2, b.height - bottom * 2);
  // a textFrame can have some settings
  // for columns
  textFrame.textFramePreferences.properties = {
    textColumnCount: page.marginPreferences.columnCount,
    textColumnGutter: page.marginPreferences.columnGutter
  };
  // add some placeholder text
  textFrame.contents = TextFrameContents.placeholderText;
  // and align every paragraph to the baseline
  b.paragraphs(textFrame, function(paragraph, loopCount){
    paragraph.alignToBaseline = true;
  });
  // ----------
  var fname = File($.fileName).parent.fsName + '/' + ($.fileName.split('/')[$.fileName.split('/').length - 1]).split('.')[0] + '.indd';
  // b.println(fname);
  doc.save(fname, false, 'basil', true);
  b.savePNG('out.png');
}
b.go();