WIP SVG to Ligature Font gulp task

svg2font.js

var si2sf = require('svgicons2svgfont');
var svg2ttf = require('svg2ttf');
var fs = require('fs');

function toUnicode(theString) {
  var unicodeString = '';
  for (var i=0; i < theString.length; i++) {
    var theUnicode = theString.charCodeAt(i).toString(16).toUpperCase();
    while (theUnicode.length < 4) {
      theUnicode = '0' + theUnicode;
    }
    theUnicode = '\\u' + theUnicode;
    unicodeString += theUnicode;
  }
  return unicodeString;
}

function svg2font(options) {
  var name = options.name;
  var icons = options.icons;
  var output= options.output;

  var fontStream = si2sf({
    fontName: name
  });
  
  // Setting the font destination
  fontStream.pipe(fs.createWriteStream(output))
    .on('finish',function() {
      console.log('Font successfully created!');
    })
    .on('error',function(err) {
      console.log(err);
    });
  
  icons.forEach(function(icon) {
    var glyph = fs.createReadStream(icon.path);
    
    glyph.metadata = {
      unicode: [icon.ligature], //[ toUnicode(icon.ligature) ],
      name: icon.ligature
    };
    
    console.log('glyph', glyph);
    fontStream.write(glyph);
  });
  
  fontStream.end();
  
  console.log('options', options);
  
  var ttf = svg2ttf(fs.readFileSync(output), {});
  var ttfOutput = options.output.replace('.svg', '.ttf');
  fs.writeFileSync(ttfOutput, new Buffer(ttf.buffer));
}

module.exports = svg2font;

/*
gulp.task('svg2font', function(callback) {
    var options = {
        name: 'test',
        output: './public/test-font.svg',
        icons: icons.icons
    };
    
    svg2font(options);
    
    callback();
});
*/