src/views/use.blade.php
<script type='text/javascript'>
function getUrlParam(paramName) {
var reParam = new RegExp('(?:[\?&]|&)' + paramName + '=([^&]+)', 'i');
var match = window.location.search.match(reParam);
return ( match && match.length > 1 ) ? match[1] : null;
}
var funcNum = getUrlParam('CKEditorFuncNum');
var par = window.parent;
var op = window.opener;
var o = (par && par.CKEDITOR) ? par : ((op && op.CKEDITOR) ? op : false);
if (op) window.close();
if (o !== false) o.CKEDITOR.tools.callFunction(funcNum, "{{ $file }}");
</script>