debian-mirror-gitlab/snowplow-javascript-tracker/tags/tag.js

82 lines
3.2 KiB
JavaScript

/*
* JavaScript tracker for Snowplow: tag.js
*
* Significant portions copyright 2010 Anthon Pang. Remainder copyright
* 2012-2014 Snowplow Analytics Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Anthon Pang nor Snowplow Analytics Ltd nor the
* names of their contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Use this function to load Snowplow
*
* @param object p The window
* @param object l The document
* @param string o "script", the tag name of script elements
* @param string w The source of the Snowplow script. Make sure you get the latest version.
* @param string i The Snowplow namespace. The Snowplow user should set this.
* @param undefined n The new script (to be created inside the function)
* @param undefined g The first script on the page (to be found inside the function)
*/
;(function(p,l,o,w,i,n,g) {
"p:nomunge, l:nomunge, o:nomunge, w:nomunge, i:nomunge, n:nomunge, g:nomunge";
// Stop if the Snowplow namespace i already exists
if (!p[i]) {
// Initialise the 'GlobalSnowplowNamespace' array
p['GlobalSnowplowNamespace'] = p['GlobalSnowplowNamespace'] || [];
// Add the new Snowplow namespace to the global array so sp.js can find it
p['GlobalSnowplowNamespace'].push(i);
// Create the Snowplow function
p[i] = function() {
(p[i].q = p[i].q || []).push(arguments);
};
// Initialise the asynchronous queue
p[i].q = p[i].q || [];
// Create a new script element
n = l.createElement(o);
// Get the first script on the page
g = l.getElementsByTagName(o)[0];
// The new script should load asynchronously
n.async = 1;
// Load Snowplow
n.src = w;
// Insert the Snowplow script before every other script so it executes as soon as possible
g.parentNode.insertBefore(n,g);
}
} (window, document, 'script', '//d1fc8wv8zag5ca.cloudfront.net/2/sp.js', 'new_name_here'));