This repository has been archived on 2024-07-27. You can view files and clone it, but cannot push or open issues or pull requests.
keksAccountGUI/node_modulesOLD/csso/lib/replace/Url.js

34 lines
1 KiB
JavaScript
Raw Normal View History

2019-08-11 18:48:02 +00:00
var UNICODE = '\\\\[0-9a-f]{1,6}(\\r\\n|[ \\n\\r\\t\\f])?';
var ESCAPE = '(' + UNICODE + '|\\\\[^\\n\\r\\f0-9a-fA-F])';
var NONPRINTABLE = '\u0000\u0008\u000b\u000e-\u001f\u007f';
var SAFE_URL = new RegExp('^(' + ESCAPE + '|[^\"\'\\(\\)\\\\\\s' + NONPRINTABLE + '])*$', 'i');
module.exports = function(node) {
var value = node.value;
if (value.type !== 'String') {
return;
}
var quote = value.value[0];
var url = value.value.substr(1, value.value.length - 2);
// convert `\\` to `/`
url = url.replace(/\\\\/g, '/');
// remove quotes when safe
// https://www.w3.org/TR/css-syntax-3/#url-unquoted-diagram
if (SAFE_URL.test(url)) {
node.value = {
type: 'Raw',
loc: node.value.loc,
value: url
};
} else {
// use double quotes if string has no double quotes
// otherwise use original quotes
// TODO: make better quote type selection
node.value.value = url.indexOf('"') === -1 ? '"' + url + '"' : quote + url + quote;
}
};