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Also set <base> for .html files without <head> tags #110

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Also set <base> for .html files without <head> tags #110

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11 changes: 10 additions & 1 deletion htmlpreview.js
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,16 @@

var loadHTML = function (data) {
if (data) {
data = data.replace(/<head([^>]*)>/i, '<head$1><base href="' + url + '">').replace(/<script(\s*src=["'][^"']*["'])?(\s*type=["'](text|application)\/javascript["'])?/gi, '<script type="text/htmlpreview"$1'); //Add <base> just after <head> and replace <script type="text/javascript"> with <script type="text/htmlpreview">
const headRegex = /<head([^>]*)>/;
const baseTag = '<base href="' + url + '">'
if (data.search(headRegex) >= 0) {
data = data.replace(headRegex, '<head$1>' + baseTag);
// add <base> just after <head>
} else {
// probably not a complete HTML document, append <base> anyway
data = data + baseTag;
}
data = data.replace(/<script(\s*src=["'][^"']*["'])?(\s*type=["'](text|application)\/javascript["'])?/gi, '<script type="text/htmlpreview"$1'); // replace <script type="text/javascript"> with <script type="text/htmlpreview">
setTimeout(function () {
document.open();
document.write(data);
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