logo.svg/lib/index.js

Generate a svg logo, then you can embed it in you README.md

'use strict';

var fs       = require('fs');
var path     = require('path');
var loadrc   = require('loadrc');
var Text2svg = require('text2svg');
var fonts    = require('./fonts');
var defauts  = require('./defaults');


exports.generate = function (options, hasExternal) {

  if (hasExternal) {
    options = merge(defauts, options);
  } else {
    options = merge(defauts, loadrc.load('logorc'), options);
  }

  if (!options.desc) {
    options.desc = 'Generated by logo.svg, https://github.com/bubkoo/logo.svg';
  }

  var font   = fonts.getFontPath(options.font);
  var logo   = parseLogoName(options);
  var parser = new Text2svg(font);

  if (parser) {
    return parser.toSVG(logo, options).svg;
  }
};


// helpers
// -------

function parseLogoName(options) {
  var logo = options.logo || getPackageName();

  if (!logo) {
    throw new Error('You must specify the logo name');
  }

  return logo;
}

function getPackageName() {
  var pkgPath = path.join(process.cwd(), 'package.json');

  try {
    var pkg = require(pkgPath);

    return pkg.name || '';

  } catch (e) {
    return '';
  }
}

function merge() {
  var sources = [].slice.call(arguments);
  var result  = {};

  sources.forEach(function (source) {
    if (source) {
      for (var name in source) {
        if ({}.hasOwnProperty.call(source, name)) {
          result[name] = source[name];
        }
      }
    }

  });

  return result;
}