news/lib/formatter.js

Hacker news and reddit in the CLI.

/*!
 * News - Hacker news and reddit in the CLI.
 * 
 * Veselin Todorov <hi@vesln.com>
 * MIT License.
 */

/**
 * Module dependencies.
 */
var word = require('word');
var colors = require('colors');
var slnks = require('slnks');
var async = require('async');

/**
 * Formatter constructor.
 * 
 * @param {Object} Data.
 */
function Formatter(data) {
  this.data = data;
};

/**
 * Formats the results.
 * 
 * @param {Function} Callback.
 * @api public
 */
Formatter.prototype.format = function(fn) {
  var out = '\n';
  var items = this.data;
  
  async.forEach(items, function(item, done) {
    slnks.get(item.link, function(err, data) {
      if (err) throw err;
      item.short = data;
      done();
    })
  }, function(err) {
    for (var i = -1, len = items.length; ++i < len;) {
      var title = items[i].title.replace('\n', ''); // For real.
      title = word.excerpt(title, 60)
      out += '    ' + (i + 1) + '. ';
      if (i < 9) out += ' ';
      out += title + ' ' + items[i].short.grey +'\n';
    }
    fn(out);
  });
};

/**
 * Expose `Formatter`.
 */
module.exports = Formatter;