Wintersmith gen sample

gistfile1.txt

module.exports = function (env, callback) {

  function Page(id, count, articles, total_pages) {
    var key = id == 0 ? '' : id;
    var rtn = new env.plugins.Page();
    var targets = articles.length <= count ? articles : articles.splice(0, count);

    rtn.getFilename = function() {
      return 'index' + key + '.html';
    };

    rtn.getView = function() {
      return function(env, locals, contents, templates, callback) {
        var error = null;
        var context = {
          targets: targets,
          pagination: {
            current: id,
            total: total_pages
          }
        };
        env.utils.extend(context, locals);
        var buffer = new Buffer(templates['index.jade'].fn(context));
        callback(error, buffer);
      };
    };

    return rtn;
  };

  /** Generates a custom index page */
  function gen(contents, callback) {

    // Find all articles
    var articles = env.helpers.tagged(contents);
    var per_page = env.helpers.config('pagination');
    var pages = Math.ceil(articles.length / per_page);

    // Generate an index per page
    var output = {};
    for (var i = 0; i < pages; ++i) {
      var count = per_page;
      if (per_page > articles.length) {
        count = articles.length;
      }
      var p = Page(i, count, articles, pages);
      output[p.getFilename()] = p;
    }

    // Return
    var error = null;
    callback(error, output);
  };

  env.registerGenerator('magic', gen);
  callback();
};