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svg-injector.js
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/*!
* SVGInjector v2.1.5 - Fast, caching, dynamic inline SVG DOM injection library
* https://github.com/flobacher/SVGInjector2
* forked from:
* https://github.com/iconic/SVGInjector
*
* Copyright (c) 2015 flobacher <[email protected]>
* @license MIT
*
* original Copyright (c) 2014 Waybury <[email protected]>
* @license MIT
*/
(function(window, document) {
"use strict";
var SVGInjector = function() {
function SVGInjector(options) {
SVGInjector.instanceCounter++;
this.init(options);
}
var SVG_NS = "http://www.w3.org/2000/svg";
var XLINK_NS = "http://www.w3.org/1999/xlink";
var DEFAULT_SPRITE_CLASS_NAME = "sprite";
var DEFAULT_SPRITE_CLASS_ID_NAME = DEFAULT_SPRITE_CLASS_NAME + "--";
var DEFAULT_FALLBACK_CLASS_NAMES = [ DEFAULT_SPRITE_CLASS_NAME ];
var DEFAULT_REMOVESTYLES_CLASS_NAME = "icon";
var svgCache;
var injections;
var requestQueue;
var ranScripts;
var config;
var env;
var setFallbackClassNames, removeFallbackClassNames, suffixIdReferences, suffixIdReferencesInStyles, copyAttributes, cloneSymbolAsSVG, doPrefixStyleTags, getClassList, getSpriteIdFromClass, cloneSvg, queueRequest, processRequestQueue, loadSvg, writeDefaultClass, replaceNoSVGClass, onLoadSVG, uniqueClasses, isFunction, isArray, svgElemSetClassName, forEach, setRootLevelElem, addRootLevelElem, injectElement;
requestQueue = [];
SVGInjector.instanceCounter = 0;
SVGInjector.prototype.init = function(options) {
options = options || {};
svgCache = {};
env = {};
env.isLocal = window.location.protocol === "file:";
env.hasSvgSupport = document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1");
injections = {
count: 0,
elements: []
};
ranScripts = {};
config = {};
config.evalScripts = options.evalScripts || "always";
config.pngFallback = options.pngFallback || false;
config.svgFallbackDir = options.svgFallbackDir || false;
config.onlyInjectVisiblePart = options.onlyInjectVisiblePart || true;
config.keepStylesClass = typeof options.keepStylesClass === "undefined" ? "" : options.keepStylesClass;
config.spriteClassName = typeof options.spriteClassName === "undefined" ? DEFAULT_SPRITE_CLASS_NAME : options.spriteClassName;
config.spriteClassIdName = typeof options.spriteClassIdName === "undefined" ? DEFAULT_SPRITE_CLASS_ID_NAME : options.spriteClassIdName;
config.removeStylesClass = typeof options.removeStylesClass === "undefined" ? DEFAULT_REMOVESTYLES_CLASS_NAME : options.removeStylesClass;
config.removeAllStyles = typeof options.removeAllStyles === "undefined" ? false : options.removeAllStyles;
config.fallbackClassName = typeof options.fallbackClassName === "undefined" ? DEFAULT_FALLBACK_CLASS_NAMES : options.fallbackClassName;
config.prefixStyleTags = typeof options.prefixStyleTags === "undefined" ? true : options.prefixStyleTags;
config.spritesheetURL = typeof options.spritesheetURL === "undefined" || options.spritesheetURL === "" ? false : options.spritesheetURL;
config.prefixFragIdClass = config.spriteClassIdName;
config.forceFallbacks = typeof options.forceFallbacks === "undefined" ? false : options.forceFallbacks;
if (config.forceFallbacks) {
env.hasSvgSupport = false;
}
replaceNoSVGClass(document.querySelector("html"), "no-svg", env.hasSvgSupport);
if (env.hasSvgSupport && typeof options.removeStylesClass === "undefined") {
writeDefaultClass(config.removeStylesClass);
}
};
SVGInjector.prototype.inject = function(elements, onDoneCallback, eachCallback) {
if (elements.length !== undefined) {
if (0 === elements.length) {
if (onDoneCallback) onDoneCallback(0);
} else {
var elementsLoaded = 0;
var ctx = this;
forEach.call(elements, function(element) {
ctx.injectElement(element, function(svg) {
if (eachCallback && typeof eachCallback === "function") eachCallback(svg);
if (onDoneCallback && elements.length === ++elementsLoaded) onDoneCallback(elementsLoaded);
});
});
}
} else {
if (elements) {
this.injectElement(elements, function(svg) {
if (eachCallback && typeof eachCallback === "function") eachCallback(svg);
if (onDoneCallback) onDoneCallback(1);
elements = null;
});
} else {
if (onDoneCallback) onDoneCallback(0);
}
}
};
injectElement = SVGInjector.prototype.injectElement = function(el, onElementInjectedCallback) {
var imgUrl = el.getAttribute("data-src") || el.getAttribute("src"), spriteId;
if (!imgUrl) {
if (config.spritesheetURL) {
spriteId = getSpriteIdFromClass(el);
if (spriteId === "") {
return;
}
imgUrl = config.spritesheetURL + "#" + spriteId;
} else {
return;
}
}
el.setAttribute("data-src", imgUrl);
var imgUrlSplitByFId = imgUrl.split("#");
if (imgUrlSplitByFId.length === 1) {
imgUrlSplitByFId.push("");
}
var fallbackUrl;
if (!/\.svg/i.test(imgUrl)) {
onElementInjectedCallback("Attempted to inject a file with a non-svg extension: " + imgUrl);
return;
}
if (env.hasSvgSupport) {
if (isArray(config.fallbackClassName)) {
removeFallbackClassNames(el, imgUrlSplitByFId[1], config.fallbackClassName);
}
} else {
var perElementFallback = el.getAttribute("data-fallback") || el.getAttribute("data-png");
if (perElementFallback) {
el.setAttribute("src", perElementFallback);
onElementInjectedCallback(null);
} else if (config.pngFallback) {
if (imgUrlSplitByFId.length > 1 && imgUrlSplitByFId[1]) {
fallbackUrl = imgUrlSplitByFId[1] + ".png";
if (isArray(config.fallbackClassName)) {
setFallbackClassNames(el, imgUrlSplitByFId[1], config.fallbackClassName);
} else if (isFunction(config.fallbackClassName)) {
config.fallbackClassName(el, imgUrlSplitByFId[1]);
} else if (typeof config.fallbackClassName === "string") {
svgElemSetClassName(el, config.fallbackClassName);
} else {
el.setAttribute("src", config.pngFallback + "/" + fallbackUrl);
}
} else {
fallbackUrl = imgUrl.split("/").pop().replace(".svg", ".png");
el.setAttribute("src", config.pngFallback + "/" + fallbackUrl);
}
onElementInjectedCallback(null);
} else {
onElementInjectedCallback("This browser does not support SVG and no PNG fallback was defined.");
}
return;
}
if (injections.elements.indexOf(el) !== -1) {
console.warn("race", el);
return;
}
injections.elements.push(el);
loadSvg(onElementInjectedCallback, imgUrl, el);
};
SVGInjector.prototype.getEnv = function() {
return env;
};
SVGInjector.prototype.getConfig = function() {
return config;
};
setFallbackClassNames = function(element, symbolId, classNames) {
var className = typeof classNames === "undefined" ? DEFAULT_FALLBACK_CLASS_NAMES : classNames.slice(0);
forEach.call(className, function(curClassName, idx) {
className[idx] = curClassName.replace("%s", symbolId);
});
svgElemSetClassName(element, className);
};
removeFallbackClassNames = function(element, symbolId, fallbackClassNames) {
fallbackClassNames = typeof fallbackClassNames === "undefined" ? DEFAULT_FALLBACK_CLASS_NAMES.slice(0) : fallbackClassNames.slice(0);
var idxOfCurClass, curClassNames, classAttribute = element.getAttribute("class");
if (typeof classAttribute === "undefined" || classAttribute === null) {
return;
}
curClassNames = classAttribute.split(" ");
if (curClassNames) {
forEach.call(fallbackClassNames, function(curFallbackClassName) {
curFallbackClassName = curFallbackClassName.replace("%s", symbolId);
idxOfCurClass = curClassNames.indexOf(curFallbackClassName);
if (idxOfCurClass >= 0) {
curClassNames[idxOfCurClass] = "";
}
});
element.setAttribute("class", uniqueClasses(curClassNames.join(" ")));
}
};
suffixIdReferencesInStyles = function(styleTag, suffix, svg, name) {
var numRefs = 0;
styleTag.textContent = styleTag.textContent.replace(/url\(('|")*#.+('|")*(?=\))/g, function(match) {
numRefs++;
return match + "-" + suffix;
});
return numRefs;
};
suffixIdReferences = function(svg, suffix) {
var defs = [ {
def: "linearGradient",
attrs: [ "fill", "stroke" ]
}, {
def: "radialGradient",
attrs: [ "fill", "stroke" ]
}, {
def: "clipPath",
attrs: [ "clip-path" ]
}, {
def: "mask",
attrs: [ "mask" ]
}, {
def: "filter",
attrs: [ "filter" ]
}, {
def: "color-profile",
attrs: [ "color-profile" ]
}, {
def: "cursor",
attrs: [ "cursor" ]
}, {
def: "marker",
attrs: [ "marker", "marker-start", "marker-mid", "marker-end" ]
} ];
var newName, definitions, defLen, defIdx, refrences, refLen, refIdx, attrs, attrLen, attrIdx, allLinks, allLinksLen, allLinksIdx, links, linkLen, linkIdx;
forEach.call(defs, function(elem) {
definitions = svg.querySelectorAll(elem.def + "[id]");
for (defIdx = 0, defLen = definitions.length; defIdx < defLen; defIdx++) {
newName = definitions[defIdx].id + "-" + suffix;
attrs = elem.attrs;
for (attrIdx = 0, attrLen = attrs.length; attrIdx < attrLen; attrIdx++) {
refrences = svg.querySelectorAll("[" + attrs[attrIdx] + '="url(#' + definitions[defIdx].id + ')"]');
for (refIdx = 0, refLen = refrences.length; refIdx < refLen; refIdx++) {
refrences[refIdx].setAttribute(attrs[attrIdx], "url(#" + newName + ")");
}
}
allLinks = svg.querySelectorAll("[*|href]");
links = [];
for (allLinksIdx = 0, allLinksLen = allLinks.length; allLinksIdx < allLinksLen; allLinksIdx++) {
if (allLinks[allLinksIdx].getAttributeNS(XLINK_NS, "href").toString() === "#" + definitions[defIdx].id) {
links.push(allLinks[allLinksIdx]);
}
}
for (linkIdx = 0, linkLen = links.length; linkIdx < linkLen; linkIdx++) {
links[linkIdx].setAttributeNS(XLINK_NS, "href", "#" + newName);
}
definitions[defIdx].id = newName;
}
});
};
copyAttributes = function(svgElemSource, svgElemTarget, attributesToIgnore) {
var curAttr;
if (typeof attributesToIgnore === "undefined") {
attributesToIgnore = [ "id", "viewBox" ];
}
for (var i = 0; i < svgElemSource.attributes.length; i++) {
curAttr = svgElemSource.attributes.item(i);
if (attributesToIgnore.indexOf(curAttr.name) < 0) {
svgElemTarget.setAttribute(curAttr.name, curAttr.value);
}
}
};
cloneSymbolAsSVG = function(svgSymbol) {
var svg = document.createElementNS(SVG_NS, "svg");
forEach.call(svgSymbol.childNodes, function(child) {
svg.appendChild(child.cloneNode(true));
});
copyAttributes(svgSymbol, svg);
return svg;
};
doPrefixStyleTags = function(styleTag, injectCount, svg) {
var srcArr = svg.getAttribute("data-src").split("#");
var regex, origPrefixClassName, newPrefixClassName, srcFileNameArr, regexSearchResult, styleTagContent = styleTag.textContent, newContent = "", selectorArr, prefixSelector = function(elem, idx, arr) {
arr[idx] = "." + newPrefixClassName + " " + elem;
}, stylerule = "";
if (srcArr.length > 1) {
origPrefixClassName = srcArr[1];
newPrefixClassName = origPrefixClassName + "-" + injectCount;
regex = new RegExp("\\." + origPrefixClassName + " ", "g");
styleTag.textContent = styleTagContent.replace(regex, "." + newPrefixClassName + " ");
} else {
srcFileNameArr = srcArr[0].split("/");
newPrefixClassName = srcFileNameArr[srcFileNameArr.length - 1].replace(".svg", "") + "-" + injectCount;
regex = new RegExp("([\\s\\S]*?){([\\s\\S]*?)}", "g");
while ((regexSearchResult = regex.exec(styleTagContent)) !== null) {
selectorArr = regexSearchResult[1].trim().split(", ");
selectorArr.forEach(prefixSelector);
var tmp = selectorArr.join(", ") + "{" + regexSearchResult[2] + "}\n";
newContent += tmp;
}
styleTag.textContent = newContent;
}
svg.setAttribute("class", svg.getAttribute("class") + " " + newPrefixClassName);
};
getClassList = function(svgToCheck) {
var curClassAttr = svgToCheck.getAttribute("class");
return curClassAttr ? curClassAttr.trim().split(" ") : [];
};
getSpriteIdFromClass = function(element) {
var classes = getClassList(element);
var id = "";
forEach.call(classes, function(curClass) {
if (curClass.indexOf(config.spriteClassIdName) >= 0) {
id = curClass.replace(config.spriteClassIdName, "");
}
});
return id;
};
cloneSvg = function(config, sourceSvg, fragId) {
var svgElem, newSVG = null, viewBox, viewBoxAttr, symbolAttributesToFind, curClassList, setViewboxOnNewSVG = false, setDimensionsOnNewSVG = false, symbolElem = null, symobolList;
if (fragId === undefined) {
svgElem = newSVG = sourceSvg.cloneNode(true);
if (!newSVG.getAttribute("width") && !sourceSvg.getAttribute("width")) {
setDimensionsOnNewSVG = true;
}
} else {
svgElem = sourceSvg.getElementById(fragId);
if (!svgElem) {
console.warn(fragId + " not found in svg");
return;
}
}
viewBoxAttr = svgElem.getAttribute("viewBox");
viewBox = viewBoxAttr.split(" ");
if (!newSVG) {
if (svgElem instanceof SVGSymbolElement) {
newSVG = cloneSymbolAsSVG(svgElem);
setDimensionsOnNewSVG = setViewboxOnNewSVG = true;
} else if (svgElem instanceof SVGViewElement) {
symbolElem = null;
if (config.onlyInjectVisiblePart) {
var selector = '*[width="' + viewBox[2] + '"][height="' + viewBox[3] + '"]';
symbolAttributesToFind = {};
if (Math.abs(parseInt(viewBox[0])) === 0) {
selector += ":not([x])";
} else {
symbolAttributesToFind.x = viewBox[0];
selector += '[x="' + viewBox[0] + '"]';
}
if (Math.abs(parseInt(viewBox[1])) === 0) {
selector += ":not([y])";
} else {
symbolAttributesToFind.y = viewBox[1];
selector += '[y="' + viewBox[1] + '"]';
}
symobolList = sourceSvg.querySelectorAll(selector);
if (symobolList.length > 1) {
console.warn("more than one item, with the matching viewbox found!", symobolList);
}
symbolElem = symobolList[0];
}
if (symbolElem && symbolElem instanceof SVGSVGElement) {
newSVG = symbolElem.cloneNode(true);
for (var prop in symbolAttributesToFind) {
if (prop !== "width" && prop !== "height") {
newSVG.removeAttribute(prop);
}
}
} else if (symbolElem && symbolElem instanceof SVGUseElement) {
var referencedSymbol = sourceSvg.getElementById(symbolElem.getAttributeNS(XLINK_NS, "href").substr(1));
newSVG = cloneSymbolAsSVG(referencedSymbol);
viewBoxAttr = referencedSymbol.getAttribute("viewBox");
viewBox = viewBoxAttr.split(" ");
setDimensionsOnNewSVG = setViewboxOnNewSVG = true;
} else {
console.info((config.onlyInjectVisiblePart ? "symbol referenced via view" + fragId + " not found" : "option.onlyInjectVisiblePart: false") + " -> clone complete svg!");
setDimensionsOnNewSVG = setViewboxOnNewSVG = true;
newSVG = sourceSvg.cloneNode(true);
}
}
curClassList = getClassList(newSVG);
var fragIdClassName = config.prefixFragIdClass + fragId;
if (curClassList.indexOf(fragIdClassName) < 0) {
curClassList.push(fragIdClassName);
newSVG.setAttribute("class", curClassList.join(" "));
}
}
if (setViewboxOnNewSVG) {
newSVG.setAttribute("viewBox", viewBox.join(" "));
}
if (setDimensionsOnNewSVG) {
newSVG.setAttribute("width", viewBox[2] + "px");
newSVG.setAttribute("height", viewBox[3] + "px");
}
newSVG.setAttribute("xmlns", SVG_NS);
newSVG.setAttribute("xmlns:xlink", XLINK_NS);
return newSVG;
};
queueRequest = function(fileName, fragId, callback, el) {
requestQueue[fileName] = requestQueue[fileName] || [];
requestQueue[fileName].push({
callback: callback,
fragmentId: fragId,
element: el,
name: name
});
};
processRequestQueue = function(url) {
var requestQueueElem;
for (var i = 0, len = requestQueue[url].length; i < len; i++) {
(function(index) {
setTimeout(function() {
requestQueueElem = requestQueue[url][index];
onLoadSVG(url, requestQueueElem.fragmentId, requestQueueElem.callback, requestQueueElem.element, requestQueueElem.name);
}, 0);
})(i);
}
};
loadSvg = function(onElementInjectedCallback, url, el) {
var urlArr, fileUrl, fragId, name, pathArr;
urlArr = url.split("#");
fileUrl = urlArr[0];
fragId = urlArr.length === 2 ? urlArr[1] : undefined;
if (typeof fragId !== "undefined") {
pathArr = fileUrl.split("/");
name = pathArr[pathArr.length - 1].replace(".svg", "");
}
if (svgCache[fileUrl] !== undefined) {
if (svgCache[fileUrl] instanceof SVGSVGElement) {
onLoadSVG(fileUrl, fragId, onElementInjectedCallback, el, name);
} else {
queueRequest(fileUrl, fragId, onElementInjectedCallback, el, name);
}
} else {
if (!window.XMLHttpRequest) {
onElementInjectedCallback("Browser does not support XMLHttpRequest");
return false;
}
svgCache[fileUrl] = {};
queueRequest(fileUrl, fragId, onElementInjectedCallback, el, name);
var httpRequest = new XMLHttpRequest();
httpRequest.onreadystatechange = function() {
if (httpRequest.readyState === 4) {
if (httpRequest.status === 404 || httpRequest.responseXML === null) {
onElementInjectedCallback("Unable to load SVG file: " + fileUrl);
return false;
}
if (httpRequest.status === 200 || env.isLocal && httpRequest.status === 0) {
if (httpRequest.responseXML instanceof Document) {
svgCache[fileUrl] = httpRequest.responseXML.documentElement;
} else if (DOMParser && DOMParser instanceof Function) {
var xmlDoc;
try {
var parser = new DOMParser();
xmlDoc = parser.parseFromString(httpRequest.responseText, "text/xml");
} catch (e) {
xmlDoc = undefined;
}
if (!xmlDoc || xmlDoc.getElementsByTagName("parsererror").length) {
onElementInjectedCallback("Unable to parse SVG file: " + url);
return false;
} else {
svgCache[fileUrl] = xmlDoc.documentElement;
}
}
processRequestQueue(fileUrl);
} else {
onElementInjectedCallback("There was a problem injecting the SVG: " + httpRequest.status + " " + httpRequest.statusText);
return false;
}
}
};
httpRequest.open("GET", fileUrl);
if (httpRequest.overrideMimeType) httpRequest.overrideMimeType("text/xml");
httpRequest.send();
}
};
writeDefaultClass = function(removeStylesClass) {
var css = "svg." + removeStylesClass + " {fill: currentColor;}", head = document.head || document.getElementsByTagName("head")[0], style = document.createElement("style");
style.type = "text/css";
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
head.appendChild(style);
};
replaceNoSVGClass = function(element, noSVGClassName, hasSvgSupport) {
if (hasSvgSupport) {
element.className.replace(noSVGClassName, "");
} else {
element.className += " " + noSVGClassName;
}
};
onLoadSVG = function(url, fragmentId, onElementInjectedCallback, el, name) {
var svg, imgId, titleId, descId, ariaHidden, fallbackSvg, labeledBy, titleTagExisting, descTagExisting;
svg = cloneSvg(config, svgCache[url], fragmentId);
if (typeof svg === "undefined" || typeof svg === "string") {
fallbackSvg = el.getAttribute("data-fallback-svg");
fallbackSvg = fallbackSvg || config.svgFallbackDir ? config.svgFallbackDir + "/" + fragmentId + ".svg" : false;
if (fallbackSvg) {
el.setAttribute("data-src", fallbackSvg);
injections.elements.splice(injections.elements.indexOf(el), 1);
injectElement(el, onElementInjectedCallback);
} else {
onElementInjectedCallback(svg);
}
return false;
}
svg.setAttribute("role", "img");
forEach.call(svg.children || [], function(curChildElem) {
if (!(curChildElem instanceof SVGDefsElement) && !(curChildElem instanceof SVGTitleElement) && !(curChildElem instanceof SVGDescElement)) {
curChildElem.setAttribute("role", "presentation");
}
});
ariaHidden = el.getAttribute("aria-hidden") || svg.getAttribute("aria-hidden");
if (ariaHidden) {
svg.setAttribute("aria-hidden", "true");
titleTagExisting = svg.querySelector("title");
descTagExisting = svg.querySelector("desc");
if (titleTagExisting) {
svg.removeChild(titleTagExisting);
}
if (descTagExisting) {
svg.removeChild(descTagExisting);
}
} else {
descId = setRootLevelElem("desc", svg, el, fragmentId, false);
titleId = setRootLevelElem("title", svg, el, fragmentId, false);
if (descId.length > 0 || titleId.length > 0) {
labeledBy = titleId + " " + descId;
svg.setAttribute("aria-labelledby", labeledBy.trim());
}
}
copyAttributes(el, svg, [ "class" ]);
var classMerge = [].concat(svg.getAttribute("class") || [], "injected-svg", el.getAttribute("class") || []).join(" ");
svg.setAttribute("class", uniqueClasses(classMerge));
suffixIdReferences(svg, injections.count, name);
svg.removeAttribute("xmlns:a");
var scripts = svg.querySelectorAll("script");
var scriptsToEval = [];
var script, scriptType;
for (var k = 0, scriptsLen = scripts.length; k < scriptsLen; k++) {
scriptType = scripts[k].getAttribute("type");
if (!scriptType || scriptType === "application/ecmascript" || scriptType === "application/javascript") {
script = scripts[k].innerText || scripts[k].textContent;
scriptsToEval.push(script);
svg.removeChild(scripts[k]);
}
}
if (scriptsToEval.length > 0 && (config.evalScripts === "always" || config.evalScripts === "once" && !ranScripts[url])) {
for (var l = 0, scriptsToEvalLen = scriptsToEval.length; l < scriptsToEvalLen; l++) {
new Function(scriptsToEval[l])(window);
}
ranScripts[url] = true;
}
var styleTags = svg.querySelectorAll("style");
forEach.call(styleTags, function(styleTag) {
var svgClassList = getClassList(svg), stylesUntouched = true;
if ((svgClassList.indexOf(config.removeStylesClass) >= 0 || config.removeAllStyles) && svgClassList.indexOf(config.keepStylesClass) < 0) {
styleTag.parentNode.removeChild(styleTag);
} else {
if (suffixIdReferencesInStyles(styleTag, injections.count, svg, name) > 0) {
stylesUntouched = false;
}
if (config.prefixStyleTags) {
doPrefixStyleTags(styleTag, injections.count, svg, name);
stylesUntouched = false;
}
if (stylesUntouched) {
styleTag.textContent += "";
}
}
});
el.parentNode.replaceChild(svg, el);
delete injections.elements[injections.elements.indexOf(el)];
injections.count++;
onElementInjectedCallback(svg);
};
uniqueClasses = function(list) {
list = list.split(" ");
var hash = {};
var i = list.length;
var out = [];
while (i--) {
if (!hash.hasOwnProperty(list[i])) {
hash[list[i]] = 1;
out.unshift(list[i]);
}
}
return out.join(" ");
};
isFunction = function(obj) {
return !!(obj && obj.constructor && obj.call && obj.apply);
};
isArray = function(obj) {
return Object.prototype.toString.call(obj) === "[object Array]";
};
svgElemSetClassName = function(el, newClassNames) {
var curClasses = el.getAttribute("class");
curClasses = curClasses ? curClasses : "";
if (isArray(newClassNames)) {
newClassNames = newClassNames.join(" ");
}
newClassNames = curClasses + " " + newClassNames;
el.setAttribute("class", uniqueClasses(newClassNames));
};
forEach = Array.prototype.forEach || function(fn, scope) {
if (this === void 0 || this === null || typeof fn !== "function") {
throw new TypeError();
}
var i, len = this.length >>> 0;
for (i = 0; i < len; ++i) {
if (i in this) {
fn.call(scope, this[i], i, this);
}
}
};
setRootLevelElem = function(type, svg, el, fragmentId, addDefault) {
var elemId = fragmentId ? fragmentId + "-" : "", existingElem;
elemId += type + "-" + injections.count;
existingElem = el.querySelector(type);
if (existingElem) {
addRootLevelElem(type, svg, existingElem.textContent, elemId, svg.firstChild);
} else {
existingElem = svg.querySelector(type);
if (existingElem) {
existingElem.setAttribute("id", elemId);
} else {
if (addDefault) {
console.log("add default");
addRootLevelElem(type, svg, fragmentId, elemId, svg.firstChild);
} else {
elemId = "";
}
}
}
return elemId;
};
addRootLevelElem = function(type, svg, text, id, insertBefore) {
var newElem, existingElem = svg.querySelector(type);
newElem = document.createElementNS(SVG_NS, type);
newElem.appendChild(document.createTextNode(text));
newElem.setAttribute("id", id);
svg.insertBefore(newElem, insertBefore);
if (existingElem) {
existingElem.parentNode.removeChild(existingElem);
}
return newElem;
};
return SVGInjector;
}();
if (typeof angular === "object") {
angular.module("svginjector", []).provider("svgInjectorOptions", function() {
var injectorOpts = {};
return {
set: function(opts) {
injectorOpts = opts;
},
$get: function() {
return injectorOpts;
}
};
}).factory("svgInjectorFactory", [ "svgInjectorOptions", function(svgInjectorOptions) {
return new SVGInjector(svgInjectorOptions);
} ]).directive("svg", [ "svgInjectorFactory", function(svgInjectorFactory) {
var cfg = svgInjectorFactory.getConfig();
return {
restrict: "E",
link: function(scope, element, attrs) {
if (attrs["class"] && attrs["class"].indexOf(cfg.spriteClassIdName) >= 0) {
attrs.$observe("class", function() {
svgInjectorFactory.inject(element[0]);
});
} else if (attrs.dataSrc || attrs.src) {
svgInjectorFactory.inject(element[0]);
}
}
};
} ]);
} else {
if (typeof module === "object" && typeof module.exports === "object") {
module.exports = SVGInjector;
} else if (typeof define === "function" && define.amd) {
define(function() {
return SVGInjector;
});
} else if (typeof window === "object") {
window.SVGInjector = SVGInjector;
}
}
})(window, document);