{"version":3,"file":"svgxuse.js","sources":["webpack:///./Content/Scripts/libs/svgxuse/svgxuse.js"],"sourcesContent":["/*!\r\n * @copyright Copyright (c) 2017 IcoMoon.io\r\n * @license   Licensed under MIT license\r\n *            See https://github.com/Keyamoon/svgxuse\r\n * @version   1.2.4\r\n */\r\n/*jslint browser: true */\r\n/*global XDomainRequest, MutationObserver, window */\r\n(function () {\r\n    \"use strict\";\r\n    if (typeof window !== \"undefined\" && window.addEventListener) {\r\n        var cache = Object.create(null); // holds xhr objects to prevent multiple requests\r\n        var checkUseElems;\r\n        var tid; // timeout id\r\n        var debouncedCheck = function () {\r\n            clearTimeout(tid);\r\n            tid = setTimeout(checkUseElems, 100);\r\n        };\r\n        var unobserveChanges = function () {\r\n            return;\r\n        };\r\n        var observeChanges = function () {\r\n            var observer;\r\n            window.addEventListener(\"resize\", debouncedCheck, false);\r\n            window.addEventListener(\"orientationchange\", debouncedCheck, false);\r\n            if (window.MutationObserver) {\r\n                observer = new MutationObserver(debouncedCheck);\r\n                observer.observe(document.documentElement, {\r\n                    childList: true,\r\n                    subtree: true,\r\n                    attributes: true\r\n                });\r\n                unobserveChanges = function () {\r\n                    try {\r\n                        observer.disconnect();\r\n                        window.removeEventListener(\"resize\", debouncedCheck, false);\r\n                        window.removeEventListener(\"orientationchange\", debouncedCheck, false);\r\n                    } catch (ignore) {}\r\n                };\r\n            } else {\r\n                document.documentElement.addEventListener(\"DOMSubtreeModified\", debouncedCheck, false);\r\n                unobserveChanges = function () {\r\n                    document.documentElement.removeEventListener(\"DOMSubtreeModified\", debouncedCheck, false);\r\n                    window.removeEventListener(\"resize\", debouncedCheck, false);\r\n                    window.removeEventListener(\"orientationchange\", debouncedCheck, false);\r\n                };\r\n            }\r\n        };\r\n        var createRequest = function (url) {\r\n            // In IE 9, cross origin requests can only be sent using XDomainRequest.\r\n            // XDomainRequest would fail if CORS headers are not set.\r\n            // Therefore, XDomainRequest should only be used with cross origin requests.\r\n            function getOrigin(loc) {\r\n                var a;\r\n                if (loc.protocol !== undefined) {\r\n                    a = loc;\r\n                } else {\r\n                    a = document.createElement(\"a\");\r\n                    a.href = loc;\r\n                }\r\n                return a.protocol.replace(/:/g, \"\") + a.host;\r\n            }\r\n            var Request;\r\n            var origin;\r\n            var origin2;\r\n            if (window.XMLHttpRequest) {\r\n                Request = new XMLHttpRequest();\r\n                origin = getOrigin(location);\r\n                origin2 = getOrigin(url);\r\n                if (Request.withCredentials === undefined && origin2 !== \"\" && origin2 !== origin) {\r\n                    Request = XDomainRequest || undefined;\r\n                } else {\r\n                    Request = XMLHttpRequest;\r\n                }\r\n            }\r\n            return Request;\r\n        };\r\n        var xlinkNS = \"http://www.w3.org/1999/xlink\";\r\n        checkUseElems = function () {\r\n            var base;\r\n            var bcr;\r\n            var fallback = \"\"; // optional fallback URL in case no base path to SVG file was given and no symbol definition was found.\r\n            var hash;\r\n            var href;\r\n            var i;\r\n            var inProgressCount = 0;\r\n            var isHidden;\r\n            var isXlink = false;\r\n            var Request;\r\n            var url;\r\n            var uses;\r\n            var xhr;\r\n            function observeIfDone() {\r\n                // If done with making changes, start watching for chagnes in DOM again\r\n                inProgressCount -= 1;\r\n                if (inProgressCount === 0) { // if all xhrs were resolved\r\n                    unobserveChanges(); // make sure to remove old handlers\r\n                    observeChanges(); // watch for changes to DOM\r\n                }\r\n            }\r\n            function attrUpdateFunc(spec) {\r\n                return function () {\r\n                    if (cache[spec.base] !== true) {\r\n                        if (spec.isXlink) {\r\n                            spec.useEl.setAttributeNS(xlinkNS, \"xlink:href\", \"#\" + spec.hash);\r\n                        } else {\r\n                            spec.useEl.setAttribute(\"href\", \"#\" + spec.hash);\r\n                        }\r\n                    }\r\n                };\r\n            }\r\n            function onloadFunc(xhr) {\r\n                return function () {\r\n                    var body = document.body;\r\n                    var x = document.createElement(\"x\");\r\n                    var svg;\r\n                    xhr.onload = null;\r\n                    x.innerHTML = xhr.responseText;\r\n                    svg = x.getElementsByTagName(\"svg\")[0];\r\n                    if (svg) {\r\n                        svg.setAttribute(\"aria-hidden\", \"true\");\r\n                        svg.style.position = \"absolute\";\r\n                        svg.style.width = 0;\r\n                        svg.style.height = 0;\r\n                        svg.style.overflow = \"hidden\";\r\n                        body.insertBefore(svg, body.firstChild);\r\n                    }\r\n                    observeIfDone();\r\n                };\r\n            }\r\n            function onErrorTimeout(xhr) {\r\n                return function () {\r\n                    xhr.onerror = null;\r\n                    xhr.ontimeout = null;\r\n                    observeIfDone();\r\n                };\r\n            }\r\n            unobserveChanges(); // stop watching for changes to DOM\r\n            // find all use elements\r\n            uses = document.getElementsByTagName(\"use\");\r\n            for (i = 0; i < uses.length; i += 1) {\r\n                try {\r\n                    bcr = uses[i].getBoundingClientRect();\r\n                } catch (ignore) {\r\n                    // failed to get bounding rectangle of the use element\r\n                    bcr = false;\r\n                }\r\n                href = uses[i].getAttribute(\"href\");\r\n                if (!href) {\r\n                    href = uses[i].getAttributeNS(xlinkNS, \"href\");\r\n                    isXlink = true;\r\n                } else {\r\n                    isXlink = false;\r\n                }\r\n                if (href && href.split) {\r\n                    url = href.split(\"#\");\r\n                } else {\r\n                    url = [\"\", \"\"];\r\n                }\r\n                base = url[0];\r\n                hash = url[1];\r\n                isHidden = bcr && bcr.left === 0 && bcr.right === 0 && bcr.top === 0 && bcr.bottom === 0;\r\n                if (bcr && bcr.width === 0 && bcr.height === 0 && !isHidden) {\r\n                    // the use element is empty\r\n                    // if there is a reference to an external SVG, try to fetch it\r\n                    // use the optional fallback URL if there is no reference to an external SVG\r\n                    if (fallback && !base.length && hash && !document.getElementById(hash)) {\r\n                        base = fallback;\r\n                    }\r\n                    if (base.length) {\r\n                        // schedule updating xlink:href\r\n                        xhr = cache[base];\r\n                        if (xhr !== true) {\r\n                            // true signifies that prepending the SVG was not required\r\n                            setTimeout(attrUpdateFunc({\r\n                                useEl: uses[i],\r\n                                base: base,\r\n                                hash: hash,\r\n                                isXlink: isXlink\r\n                            }), 0);\r\n                        }\r\n                        if (xhr === undefined) {\r\n                            Request = createRequest(base);\r\n                            if (Request !== undefined) {\r\n                                xhr = new Request();\r\n                                cache[base] = xhr;\r\n                                xhr.onload = onloadFunc(xhr);\r\n                                xhr.onerror = onErrorTimeout(xhr);\r\n                                xhr.ontimeout = onErrorTimeout(xhr);\r\n                                xhr.open(\"GET\", base);\r\n                                xhr.send();\r\n                                inProgressCount += 1;\r\n                            }\r\n                        }\r\n                    }\r\n                } else {\r\n                    if (!isHidden) {\r\n                        if (cache[base] === undefined) {\r\n                            // remember this URL if the use element was not empty and no request was sent\r\n                            cache[base] = true;\r\n                        } else if (cache[base].onload) {\r\n                            // if it turns out that prepending the SVG is not necessary,\r\n                            // abort the in-progress xhr.\r\n                            cache[base].abort();\r\n                            delete cache[base].onload;\r\n                            cache[base] = true;\r\n                        }\r\n                    } else if (base.length && cache[base]) {\r\n                        setTimeout(attrUpdateFunc({\r\n                            useEl: uses[i],\r\n                            base: base,\r\n                            hash: hash,\r\n                            isXlink: isXlink\r\n                        }), 0);\r\n                    }\r\n                }\r\n            }\r\n            uses = \"\";\r\n            inProgressCount += 1;\r\n            observeIfDone();\r\n        };\r\n        var winLoad;\r\n        winLoad = function () {\r\n            window.removeEventListener(\"load\", winLoad, false); 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