toYAML

yaml.js

function toYAML(data) {
  function serializeValue(val) {
    function serializeArray(a) {
      return a.map(function(e) { return "- "+ e}).join("\n");
    }
    if (_.isArray(val)) return "\n"+serializeArray(val);
    return _.isNumber(val) ? val : "\""+val+"\"";
  }
  return Object.keys(data).map(function(key) {
    return key +": "+ serializeValue(data[key]);
  }).join("\n");
}


var metadata = {
  "layout": "blog",
  "category": "blog",
  "permalink": "/blog/2012/jan/03/week-dc-tech-jan-03-2012",
  "image": "http://farm7.static.flickr.com/6082/6122078434_641a01d21e.jpg",
  "title": "Week in DC Tech: New Year's Edition",
  "subtitle": "Python, UX, and MalColm Gladwell this week in Washington, DC",
  "tags": ["dc", "Bonnie Bogle"]
};

toYAML(metadata);
// =>
// layout: blog
// category: blog
// permalink: /blog/2012/jan/03/week-dc-tech-jan-03-2012
// image: http://farm7.static.flickr.com/6082/6122078434_641a01d21e.jpg
// title: "Week in DC Tech: New Year's Edition"
// subtitle: Python, UX, and MalColm Gladwell this week in Washington, DC
// tags:
//   - dc
//   - Bonnie Bogle