config.json

{
  "sites": [
    { "url": "thing.com", "selector": ".selector" },
    { "url": "other.thing.com", "selector": ".selector" },
  ]  
}

sites.coffee

module.exports = [
  { url: 'thing.com', parse: (body) ->
    # cheerio parsing here, return normalized data struct 
  }
]