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(function (tree) {
tree.URL = function (val, paths) {
if (val.data) {
this.attrs = val;
} else {
// Add the base path if the URL is relative and we are in the browser
if (typeof(window) !== 'undefined' && !/^(?:https?:\/\/|file:\/\/|data:|\/)/.test(val.value) && paths.length > 0) {
val.value = paths[0] + (val.value.charAt(0) === '/' ? val.value.slice(1) : val.value);
}
this.value = val;
this.paths = paths;
}
};
tree.URL.prototype = {
toCSS: function () {
return "url(" + (this.attrs ? 'data:' + this.attrs.mime + this.attrs.charset + this.attrs.base64 + this.attrs.data
: this.value.toCSS()) + ")";
},
eval: function (ctx) {
return this.attrs ? this : new(tree.URL)(this.value.eval(ctx), this.paths);
}
};
})(require('../tree'));
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