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August 20, 2019 09:14
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Embed SVG from specified img element(s)
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/** | |
* Embed image SVG. | |
* | |
* @param {object} $element | |
* SVG element to embed. | |
*/ | |
function embedSVG ($element) { | |
$element.each(function () { | |
var $img = $(this); | |
if ($img.prop('tagName').toLowerCase() != 'img') { | |
return; | |
} | |
var imgID = $img.attr('id'); | |
var imgClass = $img.attr('class'); | |
var imgURL = $img.attr('src'); | |
$.get(imgURL, function (data) { | |
// Get the SVG tag, ignore the rest. | |
var $svg = $(data).find('svg'); | |
// Add replaced image's ID to the new SVG. | |
if (typeof imgID !== 'undefined') { | |
$svg = $svg.attr('id', imgID); | |
} | |
// Add replaced image's classes to the new SVG. | |
if (typeof imgClass !== 'undefined') { | |
$svg = $svg.attr('class', imgClass + ' replaced-svg'); | |
} | |
// Remove any invalid XML tags as per http://validator.w3.org | |
$svg = $svg.removeAttr('xmlns:a'); | |
// Check if the viewport is set, if the viewport is not set the SVG | |
// wont't scale. | |
if (!$svg.attr('viewBox') && $svg.attr('height') && $svg.attr('width')) { | |
$svg.attr('viewBox', '0 0 ' + $svg.attr('height') + ' ' + $svg.attr('width')) | |
} | |
// Replace image with new SVG | |
$img.replaceWith($svg); | |
}, 'xml'); | |
}); | |
} |
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