Get og: metas

app.js

'use strict';

var http = require('http');

var select = require('html-select');
var tokenize = require('html-tokenize');

var url = 'http://www.bbc.com/news/health-27422547';

http.get(url, function (response) {
  response
    .pipe(tokenize())
    .pipe(select('meta', function (e) {
      var ogExists = e.attributes && e.attributes.property &&
        e.attributes.property.indexOf('og:') > -1;

      if (ogExists === true) {
        process.stdout.write(JSON.stringify({
          type: e.attributes.property,
          content: e.attributes.content
        }));
        process.stdout.write('\n');
      }
    }));
});