// Wait for the document to be ready
document.addEventListener("DOMContentLoaded", function(event) {
let bodhisvgsReplacements = 0;
// Function to replace the img tag with the SVG
function bodhisvgsReplace(img) {
// Ensure it's an image
if (img.nodeName !== 'IMG') {
return;
}
var imgID = img.id;
var imgClass = img.className;
var imgURL = img.src;
// Ensure the URL ends with .svg before proceeding
if (!imgURL.endsWith('svg')) {
return;
}
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState === 4 && xmlHttp.status === 200) {
var data = xmlHttp.responseText;
// Parse the returned data to extract the SVG
let parser = new DOMParser();
const doc = parser.parseFromString(data, 'text/html');
// Get the SVG tag from the parsed data
var svg = doc.getElementsByTagName('svg')[0];
var svgID = svg.id;
// Add replaced image's ID to the new SVG if necessary
if (typeof imgID === 'undefined' || imgID === '') {
if (typeof svgID === 'undefined' || svgID === '') {
imgID = 'svg-replaced-' + bodhisvgsReplacements;
svg.setAttribute('id', imgID);
} else {
imgID = svgID;
}
} else {
svg.setAttribute('id', imgID);
}
// Add replaced image's classes to the new SVG
if (typeof imgClass !== 'undefined' && imgClass !== '') {
svg.setAttribute('class', imgClass + ' replaced-svg svg-replaced-' + bodhisvgsReplacements);
}
// Remove any invalid XML tags as per http://validator.w3.org
svg.removeAttribute('xmlns:a');
// If sanitization is enabled, sanitize the SVG code
if (frontSanitizationEnabled === 'on' && svg.outerHTML !== "") {
var sanitizedSVG = DOMPurify.sanitize(svg.outerHTML); // Sanitize SVG code via DOMPurify library
img.outerHTML = sanitizedSVG; // Replace img tag with sanitized SVG content
} else {
// Replace image with new SVG directly
img.replaceWith(svg);
}
bodhisvgsReplacements++;
} else if (xmlHttp.readyState === 4 && xmlHttp.status !== 200) {
console.error('Failed to load SVG:', imgURL);
}
};
// Open the XMLHttpRequest with GET method
xmlHttp.open("GET", imgURL, false);
xmlHttp.send(null);
}
// Function to iterate over nodes and replace images
function bodhisvgsIterator(node) {
if (node.childNodes.length > 0) {
for (var i = 0; i < node.childNodes.length; i++) {
if (node.childNodes[i].nodeName === 'IMG') {
// It's an image... replace it too
var img = node.childNodes[i];
bodhisvgsReplace(img);
} else {
// Go to another level
bodhisvgsIterator(node.childNodes[i]);
}
}
}
}
// Wrap in IIFE so that it can be called again later as bodhisvgsInlineSupport();
(bodhisvgsInlineSupport = function() {
console.log('Running bodhisvgsInlineSupport');
// If force inline SVG option is active then add class
if (ForceInlineSVGActive === 'true') {
var allImages = document.getElementsByTagName('img'); // Find all images on page
// Loop on images
for (var i = 0; i < allImages.length; i++) {
if (typeof allImages[i].src !== 'undefined') {
// Check if it has SVG
if (allImages[i].src.match(/\.(svg)/)) {
// Add our class - if not already added
if (!allImages[i].classList.contains(cssTarget.ForceInlineSVG)) {
// Add class now
allImages[i].classList.add(cssTarget.ForceInlineSVG);
}
}
}
}
}
// Polyfill to support all older browsers
if (!String.prototype.endsWith) {
String.prototype.endsWith = function(searchString, position) {
var subjectString = this.toString();
if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) {
position = subjectString.length;
}
position -= searchString.length;
var lastIndex = subjectString.lastIndexOf(searchString, position);
return lastIndex !== -1 && lastIndex === position;
};
} // end polyfill
// Another snippet to support IE11
String.prototype.endsWith = function(pattern) {
var d = this.length - pattern.length;
return d >= 0 && this.lastIndexOf(pattern) === d;
};
// End snippet to support IE11
// Check to see if user set an alternate class
var target;
if (ForceInlineSVGActive === 'true') {
target = (typeof cssTarget.Bodhi === 'string' ? cssTarget.ForceInlineSVG : 'style-svg');
} else {
target = (typeof cssTarget === 'string' ? cssTarget : 'style-svg');
}
// Ensure target is a string before attempting to use replace
if (typeof target === 'string') {
// Remove .img from class
target = target.replace("img.", "");
} else {
console.error('Target is not a string:', target);
return;
}
var allImages = document.getElementsByClassName(target); // find all images with force svg class
for (var i = 0; i < allImages.length; i++) {
if (typeof allImages[i].src === 'undefined') { // not an image
bodhisvgsIterator(allImages[i]); // Iterate through child nodes
} else {
var img = allImages[i];
bodhisvgsReplace(img);
}
}
})(); // Execute immediately
});