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Callback for loadScript

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This commit is contained in:
Sam Potts
2017-11-09 16:06:49 +11:00
parent 86a5724bdb
commit f9602acf61
4 changed files with 18 additions and 7 deletions
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19
src/js/utils.js
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@ -76,17 +76,26 @@ const utils = {
},
// Load an external script
loadScript(url) {
loadScript(url, callback) {
// Check script is not already referenced
if (document.querySelectorAll(`script[src="${url}"]`).length) {
return;
}
const tag = document.createElement('script');
tag.src = url;
// Build the element
const element = document.createElement('script');
element.src = url;
const firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
// Find first script
const first = document.getElementsByTagName('script')[0];
// Bind callback
if (utils.is.function(callback)) {
element.addEventListener('load', event => callback.call(null, event), false);
}
// Inject
first.parentNode.insertBefore(element, first);
},
// Load an external SVG sprite