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/**
* SVG class handling.
*
* This tweaks jQuery so that calls of addClass(), removeClass() and hasClass()
* don't fail on svg elements.
*
* SVGs don't have a className attribute but rather a classList object
* so the native jQuery methods will have no effect on SVG elements.
*/
(function ($) {
'use strict';
var originals = {
addClass: $.fn.addClass,
removeClass: $.fn.removeClass,
hasClass: $.fn.hasClass
};
$.fn.addClass = function (value) {
if (jQuery.isFunction(value)) {
return originals.addClass.call(this, value);
}
this.filter('svg').each(function () {
var classes = (value || '').trim().split(/\s+/) || [];
this.classList.add.apply(this.classList, classes);
});
originals.addClass.call(this.not('svg'), value);
return this;
};
$.fn.removeClass = function (value) {
if (jQuery.isFunction(value)) {
return originals.removeClass.call(this, value);
}
this.filter('svg').each(function () {
var classes = (value || '').trim().split(/\s+/) || [];
this.classList.remove.apply(this.classList, classes);
});
originals.removeClass.call(this.not('svg'), value);
return this;
};
$.fn.hasClass = function (value) {
var svgs = $(this).filter('svg'),
i,
l = svgs.length;
if (l > 0) {
for (i = 0; i < l; i += 1) {
if (svgs.get(i).classList.contains(value)) {
return true;
}
}
return false;
}
return originals.hasClass.call(this, value);
};
}(jQuery));
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