1234567891011121314151617181920212223242526
#!/usr/bin/env node
// Render a Vega-Lite specification to SVGconst {writeFile} = require('fs');const render = require('./render');
const svgHeader =  '<?xml version="1.0" encoding="utf-8"?>\n' +  '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ' +  '"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n';render('svg', function (body, arg) {  const svg = (arg.h ? svgHeader : '') + body;  const file = arg._[1] || null;  if (file) {    // write to file    writeFile(file, svg, err => {      if (err) throw err;    });  } else {    // write to stdout    process.stdout.write(svg);  }});