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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.CarbonIconHelpers = {}));
})(this, (function (exports) { 'use strict';
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
enumerableOnly && (symbols = symbols.filter(function (sym) {
return Object.getOwnPropertyDescriptor(object, sym).enumerable;
})), keys.push.apply(keys, symbols);
}
return keys;
}
function _objectSpread2(target) {
for (var i = 1; i < arguments.length; i++) {
var source = null != arguments[i] ? arguments[i] : {};
i % 2 ? ownKeys(Object(source), !0).forEach(function (key) {
_defineProperty(target, key, source[key]);
}) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) {
Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
});
}
return target;
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _objectWithoutPropertiesLoose(source, excluded) {
if (source == null) return {};
var target = {};
var sourceKeys = Object.keys(source);
var key, i;
for (i = 0; i < sourceKeys.length; i++) {
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
}
return target;
}
function _objectWithoutProperties(source, excluded) {
if (source == null) return {};
var target = _objectWithoutPropertiesLoose(source, excluded);
var key, i;
if (Object.getOwnPropertySymbols) {
var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
for (i = 0; i < sourceSymbolKeys.length; i++) {
key = sourceSymbolKeys[i];
if (excluded.indexOf(key) >= 0) continue;
if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
target[key] = source[key];
}
}
return target;
}
var _excluded = ["width", "height", "viewBox"],
_excluded2 = ["tabindex"];
/**
* Copyright IBM Corp. 2018, 2018
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
var defaultAttributes = {
// Reference:
// https://github.com/IBM/carbon-components-react/issues/1392
// https://github.com/PolymerElements/iron-iconset-svg/pull/47
// `focusable` is a string attribute which is why we do not use a boolean here
focusable: 'false',
preserveAspectRatio: 'xMidYMid meet'
};
/**
* Get supplementary HTML attributes for a given <svg> element based on existing
* attributes.
*/
function getAttributes() {
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
width = _ref.width,
height = _ref.height,
_ref$viewBox = _ref.viewBox,
viewBox = _ref$viewBox === void 0 ? "0 0 ".concat(width, " ").concat(height) : _ref$viewBox,
attributes = _objectWithoutProperties(_ref, _excluded);
var tabindex = attributes.tabindex,
rest = _objectWithoutProperties(attributes, _excluded2);
var iconAttributes = _objectSpread2(_objectSpread2(_objectSpread2({}, defaultAttributes), rest), {}, {
width: width,
height: height,
viewBox: viewBox
}); // TODO: attributes.title assumes that the consumer will implement <title> and
// correctly set `aria-labelledby`.
if (iconAttributes['aria-label'] || iconAttributes['aria-labelledby'] || iconAttributes.title) {
iconAttributes.role = 'img'; // Reference:
// https://allyjs.io/tutorials/focusing-in-svg.html
if (tabindex !== undefined && tabindex !== null) {
iconAttributes.focusable = 'true';
iconAttributes.tabindex = tabindex;
}
} else {
iconAttributes['aria-hidden'] = true;
}
return iconAttributes;
}
/**
* Copyright IBM Corp. 2018, 2018
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
/**
* Convert an icon descriptor to a String
*/
function toString(descriptor) {
var _descriptor$elem = descriptor.elem,
elem = _descriptor$elem === void 0 ? 'svg' : _descriptor$elem,
_descriptor$attrs = descriptor.attrs,
attrs = _descriptor$attrs === void 0 ? {} : _descriptor$attrs,
_descriptor$content = descriptor.content,
content = _descriptor$content === void 0 ? [] : _descriptor$content;
var children = content.map(toString).join('');
if (elem !== 'svg') {
return "<".concat(elem, " ").concat(formatAttributes(attrs), ">").concat(children, "</").concat(elem, ">");
}
return "<".concat(elem, " ").concat(formatAttributes(getAttributes(attrs)), ">").concat(children, "</").concat(elem, ">");
}
function formatAttributes(attrs) {
return Object.keys(attrs).reduce(function (acc, key, index) {
var attribute = "".concat(key, "=\"").concat(attrs[key], "\"");
if (index === 0) {
return attribute;
}
return acc + ' ' + attribute;
}, '');
}
/**
* Copyright IBM Corp. 2018, 2018
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
/**
* Convert an icon descriptor to a DOM node.
*/
function toSVG(descriptor) {
var _descriptor$elem = descriptor.elem,
elem = _descriptor$elem === void 0 ? 'svg' : _descriptor$elem,
_descriptor$attrs = descriptor.attrs,
attrs = _descriptor$attrs === void 0 ? {} : _descriptor$attrs,
_descriptor$content = descriptor.content,
content = _descriptor$content === void 0 ? [] : _descriptor$content;
var node = document.createElementNS('http://www.w3.org/2000/svg', elem);
var attributes = elem !== 'svg' ? attrs : getAttributes(attrs);
Object.keys(attributes).forEach(function (key) {
node.setAttribute(key, attrs[key]);
});
for (var i = 0; i < content.length; i++) {
node.appendChild(toSVG(content[i]));
}
return node;
}
exports.defaultAttributes = defaultAttributes;
exports.formatAttributes = formatAttributes;
exports.getAttributes = getAttributes;
exports.toSVG = toSVG;
exports.toString = toString;
Object.defineProperty(exports, '__esModule', { value: true });
}));