hexo-generator-feed/lib/generator.js

var ejs = require('ejs');
var pathFn = require('path');
var fs = require('fs');

ejs.filters.cdata = function(str){
  return str ? '<![CDATA[' + str + ']]>' : '';
};

var atomTmplSrc = pathFn.join(__dirname, '../atom.ejs');
var atomTmpl = ejs.compile(fs.readFileSync(atomTmplSrc, 'utf8'));
var rss2TmplSrc = pathFn.join(__dirname, '../rss2.ejs');
var rss2Tmpl = ejs.compile(fs.readFileSync(rss2TmplSrc, 'utf8'));

module.exports = function(locals){
  var config = this.config;
  var feedConfig = config.feed;
  var template = feedConfig.type === 'rss2' ? rss2Tmpl : atomTmpl;

  var posts = locals.posts.sort('-date');
  if (feedConfig.limit) posts = posts.limit(feedConfig.limit);


  var xml = template({
    config: config,
    posts: posts,
    feed_url: config.root + feedConfig.path
  });

  return {
    path: feedConfig.path,
    data: xml
  };
};