(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global.Sprite = factory());
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}(this, (function () { 'use strict';
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var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
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function createCommonjsModule(fn, module) {
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return module = { exports: {} }, fn(module, module.exports), module.exports;
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}
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var deepmerge$1 = createCommonjsModule(function (module, exports) {
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(function (root, factory) {
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if (typeof undefined === 'function' && undefined.amd) {
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undefined(factory);
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} else {
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module.exports = factory();
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}
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}(commonjsGlobal, function () {
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function isMergeableObject(val) {
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var nonNullObject = val && typeof val === 'object';
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return nonNullObject
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&& Object.prototype.toString.call(val) !== '[object RegExp]'
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&& Object.prototype.toString.call(val) !== '[object Date]'
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}
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function emptyTarget(val) {
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return Array.isArray(val) ? [] : {}
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}
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function cloneIfNecessary(value, optionsArgument) {
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var clone = optionsArgument && optionsArgument.clone === true;
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return (clone && isMergeableObject(value)) ? deepmerge(emptyTarget(value), value, optionsArgument) : value
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}
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function defaultArrayMerge(target, source, optionsArgument) {
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var destination = target.slice();
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source.forEach(function(e, i) {
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if (typeof destination[i] === 'undefined') {
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destination[i] = cloneIfNecessary(e, optionsArgument);
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} else if (isMergeableObject(e)) {
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destination[i] = deepmerge(target[i], e, optionsArgument);
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} else if (target.indexOf(e) === -1) {
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destination.push(cloneIfNecessary(e, optionsArgument));
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}
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});
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return destination
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}
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function mergeObject(target, source, optionsArgument) {
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var destination = {};
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if (isMergeableObject(target)) {
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Object.keys(target).forEach(function (key) {
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destination[key] = cloneIfNecessary(target[key], optionsArgument);
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});
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}
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Object.keys(source).forEach(function (key) {
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if (!isMergeableObject(source[key]) || !target[key]) {
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destination[key] = cloneIfNecessary(source[key], optionsArgument);
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} else {
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destination[key] = deepmerge(target[key], source[key], optionsArgument);
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}
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});
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return destination
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}
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function deepmerge(target, source, optionsArgument) {
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var array = Array.isArray(source);
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var options = optionsArgument || { arrayMerge: defaultArrayMerge };
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var arrayMerge = options.arrayMerge || defaultArrayMerge;
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if (array) {
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return Array.isArray(target) ? arrayMerge(target, source, optionsArgument) : cloneIfNecessary(source, optionsArgument)
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} else {
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return mergeObject(target, source, optionsArgument)
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}
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}
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deepmerge.all = function deepmergeAll(array, optionsArgument) {
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if (!Array.isArray(array) || array.length < 2) {
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throw new Error('first argument should be an array with at least two elements')
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}
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// we are sure there are at least 2 values, so it is safe to have no initial value
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return array.reduce(function(prev, next) {
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return deepmerge(prev, next, optionsArgument)
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})
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};
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return deepmerge
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}));
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});
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var namespaces_1 = createCommonjsModule(function (module, exports) {
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var namespaces = {
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svg: {
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name: 'xmlns',
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uri: 'http://www.w3.org/2000/svg'
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},
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xlink: {
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name: 'xmlns:xlink',
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uri: 'http://www.w3.org/1999/xlink'
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}
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};
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exports.default = namespaces;
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module.exports = exports.default;
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});
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/**
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* @param {Object} attrs
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* @return {string}
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*/
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var objectToAttrsString = function (attrs) {
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return Object.keys(attrs).map(function (attr) {
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var value = attrs[attr].toString().replace(/"/g, '"');
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return (attr + "=\"" + value + "\"");
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}).join(' ');
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};
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var svg = namespaces_1.svg;
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var xlink = namespaces_1.xlink;
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var defaultAttrs = {};
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defaultAttrs[svg.name] = svg.uri;
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defaultAttrs[xlink.name] = xlink.uri;
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/**
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* @param {string} [content]
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* @param {Object} [attributes]
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* @return {string}
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*/
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var wrapInSvgString = function (content, attributes) {
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if ( content === void 0 ) content = '';
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var attrs = deepmerge$1(defaultAttrs, attributes || {});
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var attrsRendered = objectToAttrsString(attrs);
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return ("<svg " + attrsRendered + ">" + content + "</svg>");
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};
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var svg$1 = namespaces_1.svg;
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var xlink$1 = namespaces_1.xlink;
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var defaultConfig = {
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attrs: ( obj = {
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style: ['position: absolute', 'width: 0', 'height: 0'].join('; '),
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'aria-hidden': 'true'
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}, obj[svg$1.name] = svg$1.uri, obj[xlink$1.name] = xlink$1.uri, obj )
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};
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var obj;
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var Sprite = function Sprite(config) {
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this.config = deepmerge$1(defaultConfig, config || {});
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this.symbols = [];
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};
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/**
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* Add new symbol. If symbol with the same id exists it will be replaced.
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* @param {SpriteSymbol} symbol
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* @return {boolean} `true` - symbol was added, `false` - replaced
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*/
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Sprite.prototype.add = function add (symbol) {
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var ref = this;
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var symbols = ref.symbols;
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var existing = this.find(symbol.id);
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if (existing) {
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symbols[symbols.indexOf(existing)] = symbol;
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return false;
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}
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symbols.push(symbol);
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return true;
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};
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/**
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* Remove symbol & destroy it
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* @param {string} id
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* @return {boolean} `true` - symbol was found & successfully destroyed, `false` - otherwise
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*/
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Sprite.prototype.remove = function remove (id) {
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var ref = this;
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var symbols = ref.symbols;
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var symbol = this.find(id);
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if (symbol) {
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symbols.splice(symbols.indexOf(symbol), 1);
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symbol.destroy();
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return true;
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}
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return false;
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};
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/**
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* @param {string} id
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* @return {SpriteSymbol|null}
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*/
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Sprite.prototype.find = function find (id) {
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return this.symbols.filter(function (s) { return s.id === id; })[0] || null;
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};
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/**
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* @param {string} id
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* @return {boolean}
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*/
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Sprite.prototype.has = function has (id) {
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return this.find(id) !== null;
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};
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/**
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* @return {string}
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*/
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Sprite.prototype.stringify = function stringify () {
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var ref = this.config;
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var attrs = ref.attrs;
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var stringifiedSymbols = this.symbols.map(function (s) { return s.stringify(); }).join('');
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return wrapInSvgString(stringifiedSymbols, attrs);
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};
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/**
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* @return {string}
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*/
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Sprite.prototype.toString = function toString () {
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return this.stringify();
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};
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Sprite.prototype.destroy = function destroy () {
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this.symbols.forEach(function (s) { return s.destroy(); });
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};
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var sprite = new Sprite({ attrs: { id: '__SVG_SPRITE_NODE__' } });
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return sprite;
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})));
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