| 1 | /*
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| 2 | * Copyright (c) 2021 Snowplow Analytics Ltd, 2010 Anthon Pang
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions are met:
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| 7 | *
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| 8 | * 1. Redistributions of source code must retain the above copyright notice, this
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| 9 | * list of conditions and the following disclaimer.
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| 10 | *
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| 11 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 12 | * this list of conditions and the following disclaimer in the documentation
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| 13 | * and/or other materials provided with the distribution.
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| 14 | *
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| 15 | * 3. Neither the name of the copyright holder nor the names of its
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| 16 | * contributors may be used to endorse or promote products derived from
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| 17 | * this software without specific prior written permission.
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| 18 | *
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 22 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 26 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 27 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 29 | */
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| 30 |
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| 31 | /**
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| 32 | * Use this function to load Snowplow
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| 33 | *
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| 34 | * @param object - p The window
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| 35 | * @param object - l The document
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| 36 | * @param string - o "script", the tag name of script elements
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| 37 | * @param string - w The source of the Snowplow script. Make sure you get the latest version.
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| 38 | * @param string - i The Snowplow namespace. The Snowplow user should set this.
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| 39 | * @param undefined - n The new script (to be created inside the function)
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| 40 | * @param undefined - g The first script on the page (to be found inside the function)
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| 41 | */
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| 42 | ;(function(p,l,o,w,i,n,g) {
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| 43 | "p:nomunge, l:nomunge, o:nomunge, w:nomunge, i:nomunge, n:nomunge, g:nomunge";
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| 44 |
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| 45 | // Stop if the Snowplow namespace i already exists
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| 46 | if (!p[i]) {
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| 47 |
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| 48 | // Initialise the 'GlobalSnowplowNamespace' array
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| 49 | p['GlobalSnowplowNamespace'] = p['GlobalSnowplowNamespace'] || [];
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| 50 |
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| 51 | // Add the new Snowplow namespace to the global array so sp.js can find it
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| 52 | p['GlobalSnowplowNamespace'].push(i);
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| 53 |
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| 54 | // Create the Snowplow function
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| 55 | p[i] = function() {
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| 56 | (p[i].q = p[i].q || []).push(arguments);
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| 57 | };
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| 58 |
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| 59 | // Initialise the asynchronous queue
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| 60 | p[i].q = p[i].q || [];
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| 61 |
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| 62 | // Create a new script element
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| 63 | n = l.createElement(o);
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| 64 |
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| 65 | // Get the first script on the page
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| 66 | g = l.getElementsByTagName(o)[0];
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| 67 |
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| 68 | // The new script should load asynchronously
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| 69 | n.async = 1;
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| 70 |
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| 71 | // Load Snowplow
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| 72 | n.src = w;
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| 73 |
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| 74 | // Insert the Snowplow script before every other script so it executes as soon as possible
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| 75 | g.parentNode.insertBefore(n,g);
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| 76 | }
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| 77 | } (window, document, 'script', '//{{url}}/sp.js', 'new_name_here'));
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