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{"version":3,"file":"css-vars-ponyfill.min.js","sources":["../node_modules/get-css-data/dist/get-css-data.esm.js","../src/merge-deep.js","../node_modules/balanced-match/index.js","../src/parse-css.js","../src/transform-css.js","../src/walk-css.js","../src/stringify-css.js","../src/index.js"],"sourcesContent":["/*!\n * get-css-data\n * v1.3.2\n * https://github.com/jhildenbiddle/get-css-data\n * (c) 2018 John Hildenbiddle <http://hildenbiddle.com>\n * MIT license\n */\nfunction getUrls(urls) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var settings = {\n mimeType: options.mimeType || null,\n onBeforeSend: options.onBeforeSend || Function.prototype,\n onSuccess: options.onSuccess || Function.prototype,\n onError: options.onError || Function.prototype,\n onComplete: options.onComplete || Function.prototype\n };\n var urlArray = Array.isArray(urls) ? urls : [ urls ];\n var urlQueue = Array.apply(null, Array(urlArray.length)).map(function(x) {\n return null;\n });\n function onError(xhr, urlIndex) {\n settings.onError(xhr, urlArray[urlIndex], urlIndex);\n }\n function onSuccess(responseText, urlIndex) {\n var returnVal = settings.onSuccess(responseText, urlArray[urlIndex], urlIndex);\n responseText = returnVal === false ? \"\" : returnVal || responseText;\n urlQueue[urlIndex] = responseText;\n if (urlQueue.indexOf(null) === -1) {\n settings.onComplete(urlQueue);\n }\n }\n urlArray.forEach(function(url, i) {\n var parser = document.createElement(\"a\");\n parser.setAttribute(\"href\", url);\n parser.href = parser.href;\n var isCrossDomain = parser.host !== location.host;\n var isSameProtocol = parser.protocol === location.protocol;\n if (isCrossDomain && typeof XDomainRequest !== \"undefined\") {\n if (isSameProtocol) {\n var xdr = new XDomainRequest();\n xdr.open(\"GET\", url);\n xdr.timeout = 0;\n xdr.onprogress = Function.prototype;\n xdr.ontimeout = Function.prototype;\n xdr.onload = function() {\n onSuccess(xdr.responseText, i);\n };\n xdr.onerror = function(err) {\n onError(xdr, i);\n };\n setTimeout(function() {\n xdr.send();\n }, 0);\n } else {\n console.log(\"Internet Explorer 9 Cross-Origin (CORS) requests must use the same protocol\");\n onError(null, i);\n }\n } else {\n var xhr = new XMLHttpRequest();\n xhr.open(\"GET\", url);\n if (settings.mimeType && xhr.overrideMimeType) {\n xhr.overrideMimeType(settings.mimeType);\n }\n settings.onBeforeSend(xhr, url, i);\n xhr.onreadystatechange = function() {\n if (xhr.readyState === 4) {\n if (xhr.status === 200) {\n onSuccess(xhr.responseText, i);\n } else {\n onError(xhr, i);\n }\n }\n };\n xhr.send();\n }\n });\n}\n\n/**\n * Gets CSS data from <style> and <link> nodes (including @imports), then\n * returns data in order processed by DOM. Allows specifying nodes to\n * include/exclude and filtering CSS data using RegEx.\n *\n * @preserve\n * @param {object} [options] The options object\n * @param {string} [options.include] CSS selector matching <link> and <style>\n * nodes to include\n * @param {string} [options.exclude] CSS selector matching <link> and <style>\n * nodes to exclude\n * @param {object} [options.filter] Regular expression used to filter node CSS\n * data. Each block of CSS data is tested against the filter,\n * and only matching data is
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