index.js

/* jshint node: true */
'use strict';

module.exports = {
  name: 'ember-cli-segment',

  contentFor: function (type, config) {
    if (type === 'head') {

      if (!config.segment || !config.segment.WRITE_KEY) {
        return '';
      }

      return '<script type="text/javascript">' +
                '!function(){var analytics=window.analytics=window.analytics||[];if(!analytics.initialize)if(analytics.invoked)window.console&&console.error&&console.error("Segment snippet included twice.");else{analytics.invoked=!0;analytics.methods=["trackSubmit","trackClick","trackLink","trackForm","pageview","identify","reset","group","track","ready","alias","page","once","off","on"];analytics.factory=function(t){return function(){var e=Array.prototype.slice.call(arguments);e.unshift(t);analytics.push(e);return analytics}};for(var t=0;t<analytics.methods.length;t++){var e=analytics.methods[t];analytics[e]=analytics.factory(e)}analytics.load=function(t){var e=document.createElement("script");e.type="text/javascript";e.async=!0;e.src=("https:"===document.location.protocol?"https://":"http://")+"cdn.segment.com/analytics.js/v1/"+t+"/analytics.min.js";var n=document.getElementsByTagName("script")[0];n.parentNode.insertBefore(e,n)};analytics.SNIPPET_VERSION="3.1.0";' +
                  'analytics.load("' + config.segment.WRITE_KEY + '");' +
                '}}();' +
             '</script>';
    }
  }
};