react-planet
Version:
A react lib for building circular menus in a very easy and handy way.
1,466 lines (1,306 loc) • 378 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var React = require('react');
var React__default = _interopDefault(React);
var ReactDOM = require('react-dom');
var ReactDOM__default = _interopDefault(ReactDOM);
var common = {
black: '#000',
white: '#fff'
};
var red = {
50: '#ffebee',
100: '#ffcdd2',
200: '#ef9a9a',
300: '#e57373',
400: '#ef5350',
500: '#f44336',
600: '#e53935',
700: '#d32f2f',
800: '#c62828',
900: '#b71c1c',
A100: '#ff8a80',
A200: '#ff5252',
A400: '#ff1744',
A700: '#d50000'
};
var pink = {
50: '#fce4ec',
100: '#f8bbd0',
200: '#f48fb1',
300: '#f06292',
400: '#ec407a',
500: '#e91e63',
600: '#d81b60',
700: '#c2185b',
800: '#ad1457',
900: '#880e4f',
A100: '#ff80ab',
A200: '#ff4081',
A400: '#f50057',
A700: '#c51162'
};
var indigo = {
50: '#e8eaf6',
100: '#c5cae9',
200: '#9fa8da',
300: '#7986cb',
400: '#5c6bc0',
500: '#3f51b5',
600: '#3949ab',
700: '#303f9f',
800: '#283593',
900: '#1a237e',
A100: '#8c9eff',
A200: '#536dfe',
A400: '#3d5afe',
A700: '#304ffe'
};
var blue = {
50: '#e3f2fd',
100: '#bbdefb',
200: '#90caf9',
300: '#64b5f6',
400: '#42a5f5',
500: '#2196f3',
600: '#1e88e5',
700: '#1976d2',
800: '#1565c0',
900: '#0d47a1',
A100: '#82b1ff',
A200: '#448aff',
A400: '#2979ff',
A700: '#2962ff'
};
var green = {
50: '#e8f5e9',
100: '#c8e6c9',
200: '#a5d6a7',
300: '#81c784',
400: '#66bb6a',
500: '#4caf50',
600: '#43a047',
700: '#388e3c',
800: '#2e7d32',
900: '#1b5e20',
A100: '#b9f6ca',
A200: '#69f0ae',
A400: '#00e676',
A700: '#00c853'
};
var orange = {
50: '#fff3e0',
100: '#ffe0b2',
200: '#ffcc80',
300: '#ffb74d',
400: '#ffa726',
500: '#ff9800',
600: '#fb8c00',
700: '#f57c00',
800: '#ef6c00',
900: '#e65100',
A100: '#ffd180',
A200: '#ffab40',
A400: '#ff9100',
A700: '#ff6d00'
};
var grey = {
50: '#fafafa',
100: '#f5f5f5',
200: '#eeeeee',
300: '#e0e0e0',
400: '#bdbdbd',
500: '#9e9e9e',
600: '#757575',
700: '#616161',
800: '#424242',
900: '#212121',
A100: '#d5d5d5',
A200: '#aaaaaa',
A400: '#303030',
A700: '#616161'
};
/* eslint-disable no-use-before-define */
/**
* Returns a number whose value is limited to the given range.
*
* @param {number} value The value to be clamped
* @param {number} min The lower boundary of the output range
* @param {number} max The upper boundary of the output range
* @returns {number} A number in the range [min, max]
*/
function clamp(value) {
var min = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
var max = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
if (process.env.NODE_ENV !== 'production') {
if (value < min || value > max) {
console.error("Material-UI: the value provided ".concat(value, " is out of range [").concat(min, ", ").concat(max, "]."));
}
}
return Math.min(Math.max(min, value), max);
}
/**
* Converts a color from CSS hex format to CSS rgb format.
*
* @param {string} color - Hex color, i.e. #nnn or #nnnnnn
* @returns {string} A CSS rgb color string
*/
function hexToRgb(color) {
color = color.substr(1);
var re = new RegExp(".{1,".concat(color.length / 3, "}"), 'g');
var colors = color.match(re);
if (colors && colors[0].length === 1) {
colors = colors.map(function (n) {
return n + n;
});
}
return colors ? "rgb(".concat(colors.map(function (n) {
return parseInt(n, 16);
}).join(', '), ")") : '';
}
/**
* Converts a color from hsl format to rgb format.
*
* @param {string} color - HSL color values
* @returns {string} rgb color values
*/
function hslToRgb(color) {
color = decomposeColor(color);
var _color = color,
values = _color.values;
var h = values[0];
var s = values[1] / 100;
var l = values[2] / 100;
var a = s * Math.min(l, 1 - l);
var f = function f(n) {
var k = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (n + h / 30) % 12;
return l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);
};
var type = 'rgb';
var rgb = [Math.round(f(0) * 255), Math.round(f(8) * 255), Math.round(f(4) * 255)];
if (color.type === 'hsla') {
type += 'a';
rgb.push(values[3]);
}
return recomposeColor({
type: type,
values: rgb
});
}
/**
* Returns an object with the type and values of a color.
*
* Note: Does not support rgb % values.
*
* @param {string} color - CSS color, i.e. one of: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla()
* @returns {object} - A MUI color object: {type: string, values: number[]}
*/
function decomposeColor(color) {
// Idempotent
if (color.type) {
return color;
}
if (color.charAt(0) === '#') {
return decomposeColor(hexToRgb(color));
}
var marker = color.indexOf('(');
var type = color.substring(0, marker);
if (['rgb', 'rgba', 'hsl', 'hsla'].indexOf(type) === -1) {
throw new Error(["Material-UI: unsupported `".concat(color, "` color."), 'We support the following formats: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla().'].join('\n'));
}
var values = color.substring(marker + 1, color.length - 1).split(',');
values = values.map(function (value) {
return parseFloat(value);
});
return {
type: type,
values: values
};
}
/**
* Converts a color object with type and values to a string.
*
* @param {object} color - Decomposed color
* @param {string} color.type - One of: 'rgb', 'rgba', 'hsl', 'hsla'
* @param {array} color.values - [n,n,n] or [n,n,n,n]
* @returns {string} A CSS color string
*/
function recomposeColor(color) {
var type = color.type;
var values = color.values;
if (type.indexOf('rgb') !== -1) {
// Only convert the first 3 values to int (i.e. not alpha)
values = values.map(function (n, i) {
return i < 3 ? parseInt(n, 10) : n;
});
} else if (type.indexOf('hsl') !== -1) {
values[1] = "".concat(values[1], "%");
values[2] = "".concat(values[2], "%");
}
return "".concat(type, "(").concat(values.join(', '), ")");
}
/**
* Calculates the contrast ratio between two colors.
*
* Formula: https://www.w3.org/TR/WCAG20-TECHS/G17.html#G17-tests
*
* @param {string} foreground - CSS color, i.e. one of: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla()
* @param {string} background - CSS color, i.e. one of: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla()
* @returns {number} A contrast ratio value in the range 0 - 21.
*/
function getContrastRatio(foreground, background) {
var lumA = getLuminance(foreground);
var lumB = getLuminance(background);
return (Math.max(lumA, lumB) + 0.05) / (Math.min(lumA, lumB) + 0.05);
}
/**
* The relative brightness of any point in a color space,
* normalized to 0 for darkest black and 1 for lightest white.
*
* Formula: https://www.w3.org/TR/WCAG20-TECHS/G17.html#G17-tests
*
* @param {string} color - CSS color, i.e. one of: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla()
* @returns {number} The relative brightness of the color in the range 0 - 1
*/
function getLuminance(color) {
color = decomposeColor(color);
var rgb = color.type === 'hsl' ? decomposeColor(hslToRgb(color)).values : color.values;
rgb = rgb.map(function (val) {
val /= 255; // normalized
return val <= 0.03928 ? val / 12.92 : Math.pow((val + 0.055) / 1.055, 2.4);
}); // Truncate at 3 digits
return Number((0.2126 * rgb[0] + 0.7152 * rgb[1] + 0.0722 * rgb[2]).toFixed(3));
}
/**
* Darkens a color.
*
* @param {string} color - CSS color, i.e. one of: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla()
* @param {number} coefficient - multiplier in the range 0 - 1
* @returns {string} A CSS color string. Hex input values are returned as rgb
*/
function darken(color, coefficient) {
color = decomposeColor(color);
coefficient = clamp(coefficient);
if (color.type.indexOf('hsl') !== -1) {
color.values[2] *= 1 - coefficient;
} else if (color.type.indexOf('rgb') !== -1) {
for (var i = 0; i < 3; i += 1) {
color.values[i] *= 1 - coefficient;
}
}
return recomposeColor(color);
}
/**
* Lightens a color.
*
* @param {string} color - CSS color, i.e. one of: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla()
* @param {number} coefficient - multiplier in the range 0 - 1
* @returns {string} A CSS color string. Hex input values are returned as rgb
*/
function lighten(color, coefficient) {
color = decomposeColor(color);
coefficient = clamp(coefficient);
if (color.type.indexOf('hsl') !== -1) {
color.values[2] += (100 - color.values[2]) * coefficient;
} else if (color.type.indexOf('rgb') !== -1) {
for (var i = 0; i < 3; i += 1) {
color.values[i] += (255 - color.values[i]) * coefficient;
}
}
return recomposeColor(color);
}
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;
}
function chainPropTypes(propType1, propType2) {
if (process.env.NODE_ENV === 'production') {
return function () {
return null;
};
}
return function validate() {
return propType1.apply(void 0, arguments) || propType2.apply(void 0, arguments);
};
}
function _extends() {
_extends = Object.assign || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
function _typeof(obj) {
"@babel/helpers - typeof";
if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
_typeof = function _typeof(obj) {
return typeof obj;
};
} else {
_typeof = function _typeof(obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
}
return _typeof(obj);
}
function isPlainObject(item) {
return item && _typeof(item) === 'object' && item.constructor === Object;
}
function deepmerge(target, source) {
var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {
clone: true
};
var output = options.clone ? _extends({}, target) : target;
if (isPlainObject(target) && isPlainObject(source)) {
Object.keys(source).forEach(function (key) {
// Avoid prototype pollution
if (key === '__proto__') {
return;
}
if (isPlainObject(source[key]) && key in target) {
output[key] = deepmerge(target[key], source[key], options);
} else {
output[key] = source[key];
}
});
}
return output;
}
function unwrapExports (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
/** @license React v16.13.1
* react-is.production.min.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var b="function"===typeof Symbol&&Symbol.for,c=b?Symbol.for("react.element"):60103,d=b?Symbol.for("react.portal"):60106,e=b?Symbol.for("react.fragment"):60107,f=b?Symbol.for("react.strict_mode"):60108,g=b?Symbol.for("react.profiler"):60114,h=b?Symbol.for("react.provider"):60109,k=b?Symbol.for("react.context"):60110,l=b?Symbol.for("react.async_mode"):60111,m=b?Symbol.for("react.concurrent_mode"):60111,n=b?Symbol.for("react.forward_ref"):60112,p=b?Symbol.for("react.suspense"):60113,q=b?
Symbol.for("react.suspense_list"):60120,r=b?Symbol.for("react.memo"):60115,t=b?Symbol.for("react.lazy"):60116,v=b?Symbol.for("react.block"):60121,w=b?Symbol.for("react.fundamental"):60117,x=b?Symbol.for("react.responder"):60118,y=b?Symbol.for("react.scope"):60119;
function z(a){if("object"===typeof a&&null!==a){var u=a.$$typeof;switch(u){case c:switch(a=a.type,a){case l:case m:case e:case g:case f:case p:return a;default:switch(a=a&&a.$$typeof,a){case k:case n:case t:case r:case h:return a;default:return u}}case d:return u}}}function A(a){return z(a)===m}var AsyncMode=l;var ConcurrentMode=m;var ContextConsumer=k;var ContextProvider=h;var Element$1=c;var ForwardRef=n;var Fragment=e;var Lazy=t;var Memo=r;var Portal=d;
var Profiler=g;var StrictMode=f;var Suspense=p;var isAsyncMode=function(a){return A(a)||z(a)===l};var isConcurrentMode=A;var isContextConsumer=function(a){return z(a)===k};var isContextProvider=function(a){return z(a)===h};var isElement=function(a){return "object"===typeof a&&null!==a&&a.$$typeof===c};var isForwardRef=function(a){return z(a)===n};var isFragment=function(a){return z(a)===e};var isLazy=function(a){return z(a)===t};
var isMemo=function(a){return z(a)===r};var isPortal=function(a){return z(a)===d};var isProfiler=function(a){return z(a)===g};var isStrictMode=function(a){return z(a)===f};var isSuspense=function(a){return z(a)===p};
var isValidElementType=function(a){return "string"===typeof a||"function"===typeof a||a===e||a===m||a===g||a===f||a===p||a===q||"object"===typeof a&&null!==a&&(a.$$typeof===t||a.$$typeof===r||a.$$typeof===h||a.$$typeof===k||a.$$typeof===n||a.$$typeof===w||a.$$typeof===x||a.$$typeof===y||a.$$typeof===v)};var typeOf=z;
var reactIs_production_min = {
AsyncMode: AsyncMode,
ConcurrentMode: ConcurrentMode,
ContextConsumer: ContextConsumer,
ContextProvider: ContextProvider,
Element: Element$1,
ForwardRef: ForwardRef,
Fragment: Fragment,
Lazy: Lazy,
Memo: Memo,
Portal: Portal,
Profiler: Profiler,
StrictMode: StrictMode,
Suspense: Suspense,
isAsyncMode: isAsyncMode,
isConcurrentMode: isConcurrentMode,
isContextConsumer: isContextConsumer,
isContextProvider: isContextProvider,
isElement: isElement,
isForwardRef: isForwardRef,
isFragment: isFragment,
isLazy: isLazy,
isMemo: isMemo,
isPortal: isPortal,
isProfiler: isProfiler,
isStrictMode: isStrictMode,
isSuspense: isSuspense,
isValidElementType: isValidElementType,
typeOf: typeOf
};
var reactIs_development = createCommonjsModule(function (module, exports) {
if (process.env.NODE_ENV !== "production") {
(function() {
// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
// nor polyfill, then a plain number is used for performance.
var hasSymbol = typeof Symbol === 'function' && Symbol.for;
var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;
var REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca;
var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb;
var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc;
var REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;
var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;
var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary
// (unstable) APIs that have been removed. Can we remove the symbols?
var REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol.for('react.async_mode') : 0xeacf;
var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;
var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;
var REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8;
var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;
var REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9;
var REACT_FUNDAMENTAL_TYPE = hasSymbol ? Symbol.for('react.fundamental') : 0xead5;
var REACT_RESPONDER_TYPE = hasSymbol ? Symbol.for('react.responder') : 0xead6;
var REACT_SCOPE_TYPE = hasSymbol ? Symbol.for('react.scope') : 0xead7;
function isValidElementType(type) {
return typeof type === 'string' || typeof type === 'function' || // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_RESPONDER_TYPE || type.$$typeof === REACT_SCOPE_TYPE || type.$$typeof === REACT_BLOCK_TYPE);
}
function typeOf(object) {
if (typeof object === 'object' && object !== null) {
var $$typeof = object.$$typeof;
switch ($$typeof) {
case REACT_ELEMENT_TYPE:
var type = object.type;
switch (type) {
case REACT_ASYNC_MODE_TYPE:
case REACT_CONCURRENT_MODE_TYPE:
case REACT_FRAGMENT_TYPE:
case REACT_PROFILER_TYPE:
case REACT_STRICT_MODE_TYPE:
case REACT_SUSPENSE_TYPE:
return type;
default:
var $$typeofType = type && type.$$typeof;
switch ($$typeofType) {
case REACT_CONTEXT_TYPE:
case REACT_FORWARD_REF_TYPE:
case REACT_LAZY_TYPE:
case REACT_MEMO_TYPE:
case REACT_PROVIDER_TYPE:
return $$typeofType;
default:
return $$typeof;
}
}
case REACT_PORTAL_TYPE:
return $$typeof;
}
}
return undefined;
} // AsyncMode is deprecated along with isAsyncMode
var AsyncMode = REACT_ASYNC_MODE_TYPE;
var ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;
var ContextConsumer = REACT_CONTEXT_TYPE;
var ContextProvider = REACT_PROVIDER_TYPE;
var Element = REACT_ELEMENT_TYPE;
var ForwardRef = REACT_FORWARD_REF_TYPE;
var Fragment = REACT_FRAGMENT_TYPE;
var Lazy = REACT_LAZY_TYPE;
var Memo = REACT_MEMO_TYPE;
var Portal = REACT_PORTAL_TYPE;
var Profiler = REACT_PROFILER_TYPE;
var StrictMode = REACT_STRICT_MODE_TYPE;
var Suspense = REACT_SUSPENSE_TYPE;
var hasWarnedAboutDeprecatedIsAsyncMode = false; // AsyncMode should be deprecated
function isAsyncMode(object) {
{
if (!hasWarnedAboutDeprecatedIsAsyncMode) {
hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint
console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 17+. Update your code to use ' + 'ReactIs.isConcurrentMode() instead. It has the exact same API.');
}
}
return isConcurrentMode(object) || typeOf(object) === REACT_ASYNC_MODE_TYPE;
}
function isConcurrentMode(object) {
return typeOf(object) === REACT_CONCURRENT_MODE_TYPE;
}
function isContextConsumer(object) {
return typeOf(object) === REACT_CONTEXT_TYPE;
}
function isContextProvider(object) {
return typeOf(object) === REACT_PROVIDER_TYPE;
}
function isElement(object) {
return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
}
function isForwardRef(object) {
return typeOf(object) === REACT_FORWARD_REF_TYPE;
}
function isFragment(object) {
return typeOf(object) === REACT_FRAGMENT_TYPE;
}
function isLazy(object) {
return typeOf(object) === REACT_LAZY_TYPE;
}
function isMemo(object) {
return typeOf(object) === REACT_MEMO_TYPE;
}
function isPortal(object) {
return typeOf(object) === REACT_PORTAL_TYPE;
}
function isProfiler(object) {
return typeOf(object) === REACT_PROFILER_TYPE;
}
function isStrictMode(object) {
return typeOf(object) === REACT_STRICT_MODE_TYPE;
}
function isSuspense(object) {
return typeOf(object) === REACT_SUSPENSE_TYPE;
}
exports.AsyncMode = AsyncMode;
exports.ConcurrentMode = ConcurrentMode;
exports.ContextConsumer = ContextConsumer;
exports.ContextProvider = ContextProvider;
exports.Element = Element;
exports.ForwardRef = ForwardRef;
exports.Fragment = Fragment;
exports.Lazy = Lazy;
exports.Memo = Memo;
exports.Portal = Portal;
exports.Profiler = Profiler;
exports.StrictMode = StrictMode;
exports.Suspense = Suspense;
exports.isAsyncMode = isAsyncMode;
exports.isConcurrentMode = isConcurrentMode;
exports.isContextConsumer = isContextConsumer;
exports.isContextProvider = isContextProvider;
exports.isElement = isElement;
exports.isForwardRef = isForwardRef;
exports.isFragment = isFragment;
exports.isLazy = isLazy;
exports.isMemo = isMemo;
exports.isPortal = isPortal;
exports.isProfiler = isProfiler;
exports.isStrictMode = isStrictMode;
exports.isSuspense = isSuspense;
exports.isValidElementType = isValidElementType;
exports.typeOf = typeOf;
})();
}
});
var reactIs_development_1 = reactIs_development.AsyncMode;
var reactIs_development_2 = reactIs_development.ConcurrentMode;
var reactIs_development_3 = reactIs_development.ContextConsumer;
var reactIs_development_4 = reactIs_development.ContextProvider;
var reactIs_development_5 = reactIs_development.Element;
var reactIs_development_6 = reactIs_development.ForwardRef;
var reactIs_development_7 = reactIs_development.Fragment;
var reactIs_development_8 = reactIs_development.Lazy;
var reactIs_development_9 = reactIs_development.Memo;
var reactIs_development_10 = reactIs_development.Portal;
var reactIs_development_11 = reactIs_development.Profiler;
var reactIs_development_12 = reactIs_development.StrictMode;
var reactIs_development_13 = reactIs_development.Suspense;
var reactIs_development_14 = reactIs_development.isAsyncMode;
var reactIs_development_15 = reactIs_development.isConcurrentMode;
var reactIs_development_16 = reactIs_development.isContextConsumer;
var reactIs_development_17 = reactIs_development.isContextProvider;
var reactIs_development_18 = reactIs_development.isElement;
var reactIs_development_19 = reactIs_development.isForwardRef;
var reactIs_development_20 = reactIs_development.isFragment;
var reactIs_development_21 = reactIs_development.isLazy;
var reactIs_development_22 = reactIs_development.isMemo;
var reactIs_development_23 = reactIs_development.isPortal;
var reactIs_development_24 = reactIs_development.isProfiler;
var reactIs_development_25 = reactIs_development.isStrictMode;
var reactIs_development_26 = reactIs_development.isSuspense;
var reactIs_development_27 = reactIs_development.isValidElementType;
var reactIs_development_28 = reactIs_development.typeOf;
var reactIs = createCommonjsModule(function (module) {
if (process.env.NODE_ENV === 'production') {
module.exports = reactIs_production_min;
} else {
module.exports = reactIs_development;
}
});
var reactIs_1 = reactIs.isElement;
var reactIs_2 = reactIs.isValidElementType;
var reactIs_3 = reactIs.ForwardRef;
var reactIs_4 = reactIs.Memo;
var reactIs_5 = reactIs.isFragment;
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/
/* eslint-disable no-unused-vars */
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;
function toObject(val) {
if (val === null || val === undefined) {
throw new TypeError('Object.assign cannot be called with null or undefined');
}
return Object(val);
}
function shouldUseNative() {
try {
if (!Object.assign) {
return false;
}
// Detect buggy property enumeration order in older V8 versions.
// https://bugs.chromium.org/p/v8/issues/detail?id=4118
var test1 = new String('abc'); // eslint-disable-line no-new-wrappers
test1[5] = 'de';
if (Object.getOwnPropertyNames(test1)[0] === '5') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test2 = {};
for (var i = 0; i < 10; i++) {
test2['_' + String.fromCharCode(i)] = i;
}
var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
return test2[n];
});
if (order2.join('') !== '0123456789') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test3 = {};
'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
test3[letter] = letter;
});
if (Object.keys(Object.assign({}, test3)).join('') !==
'abcdefghijklmnopqrst') {
return false;
}
return true;
} catch (err) {
// We don't expect any of the above to throw, but better to be safe.
return false;
}
}
var objectAssign = shouldUseNative() ? Object.assign : function (target, source) {
var from;
var to = toObject(target);
var symbols;
for (var s = 1; s < arguments.length; s++) {
from = Object(arguments[s]);
for (var key in from) {
if (hasOwnProperty.call(from, key)) {
to[key] = from[key];
}
}
if (getOwnPropertySymbols) {
symbols = getOwnPropertySymbols(from);
for (var i = 0; i < symbols.length; i++) {
if (propIsEnumerable.call(from, symbols[i])) {
to[symbols[i]] = from[symbols[i]];
}
}
}
}
return to;
};
/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
var ReactPropTypesSecret_1 = ReactPropTypesSecret;
var printWarning = function() {};
if (process.env.NODE_ENV !== 'production') {
var ReactPropTypesSecret$1 = ReactPropTypesSecret_1;
var loggedTypeFailures = {};
var has = Function.call.bind(Object.prototype.hasOwnProperty);
printWarning = function(text) {
var message = 'Warning: ' + text;
if (typeof console !== 'undefined') {
console.error(message);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
throw new Error(message);
} catch (x) {}
};
}
/**
* Assert that the values match with the type specs.
* Error messages are memorized and will only be shown once.
*
* @param {object} typeSpecs Map of name to a ReactPropType
* @param {object} values Runtime values that need to be type-checked
* @param {string} location e.g. "prop", "context", "child context"
* @param {string} componentName Name of the component for error messages.
* @param {?Function} getStack Returns the component stack.
* @private
*/
function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
if (process.env.NODE_ENV !== 'production') {
for (var typeSpecName in typeSpecs) {
if (has(typeSpecs, typeSpecName)) {
var error;
// Prop type validation may throw. In case they do, we don't want to
// fail the render phase where it didn't fail before. So we log it.
// After these have been cleaned up, we'll let them throw.
try {
// This is intentionally an invariant that gets caught. It's the same
// behavior as without this statement except with a better message.
if (typeof typeSpecs[typeSpecName] !== 'function') {
var err = Error(
(componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +
'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.'
);
err.name = 'Invariant Violation';
throw err;
}
error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret$1);
} catch (ex) {
error = ex;
}
if (error && !(error instanceof Error)) {
printWarning(
(componentName || 'React class') + ': type specification of ' +
location + ' `' + typeSpecName + '` is invalid; the type checker ' +
'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +
'You may have forgotten to pass an argument to the type checker ' +
'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +
'shape all require an argument).'
);
}
if (error instanceof Error && !(error.message in loggedTypeFailures)) {
// Only monitor this failure once because there tends to be a lot of the
// same error.
loggedTypeFailures[error.message] = true;
var stack = getStack ? getStack() : '';
printWarning(
'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')
);
}
}
}
}
}
/**
* Resets warning cache when testing.
*
* @private
*/
checkPropTypes.resetWarningCache = function() {
if (process.env.NODE_ENV !== 'production') {
loggedTypeFailures = {};
}
};
var checkPropTypes_1 = checkPropTypes;
var has$1 = Function.call.bind(Object.prototype.hasOwnProperty);
var printWarning$1 = function() {};
if (process.env.NODE_ENV !== 'production') {
printWarning$1 = function(text) {
var message = 'Warning: ' + text;
if (typeof console !== 'undefined') {
console.error(message);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
throw new Error(message);
} catch (x) {}
};
}
function emptyFunctionThatReturnsNull() {
return null;
}
var factoryWithTypeCheckers = function(isValidElement, throwOnDirectAccess) {
/* global Symbol */
var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.
/**
* Returns the iterator method function contained on the iterable object.
*
* Be sure to invoke the function with the iterable as context:
*
* var iteratorFn = getIteratorFn(myIterable);
* if (iteratorFn) {
* var iterator = iteratorFn.call(myIterable);
* ...
* }
*
* @param {?object} maybeIterable
* @return {?function}
*/
function getIteratorFn(maybeIterable) {
var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);
if (typeof iteratorFn === 'function') {
return iteratorFn;
}
}
/**
* Collection of methods that allow declaration and validation of props that are
* supplied to React components. Example usage:
*
* var Props = require('ReactPropTypes');
* var MyArticle = React.createClass({
* propTypes: {
* // An optional string prop named "description".
* description: Props.string,
*
* // A required enum prop named "category".
* category: Props.oneOf(['News','Photos']).isRequired,
*
* // A prop named "dialog" that requires an instance of Dialog.
* dialog: Props.instanceOf(Dialog).isRequired
* },
* render: function() { ... }
* });
*
* A more formal specification of how these methods are used:
*
* type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)
* decl := ReactPropTypes.{type}(.isRequired)?
*
* Each and every declaration produces a function with the same signature. This
* allows the creation of custom validation functions. For example:
*
* var MyLink = React.createClass({
* propTypes: {
* // An optional string or URI prop named "href".
* href: function(props, propName, componentName) {
* var propValue = props[propName];
* if (propValue != null && typeof propValue !== 'string' &&
* !(propValue instanceof URI)) {
* return new Error(
* 'Expected a string or an URI for ' + propName + ' in ' +
* componentName
* );
* }
* }
* },
* render: function() {...}
* });
*
* @internal
*/
var ANONYMOUS = '<<anonymous>>';
// Important!
// Keep this list in sync with production version in `./factoryWithThrowingShims.js`.
var ReactPropTypes = {
array: createPrimitiveTypeChecker('array'),
bool: createPrimitiveTypeChecker('boolean'),
func: createPrimitiveTypeChecker('function'),
number: createPrimitiveTypeChecker('number'),
object: createPrimitiveTypeChecker('object'),
string: createPrimitiveTypeChecker('string'),
symbol: createPrimitiveTypeChecker('symbol'),
any: createAnyTypeChecker(),
arrayOf: createArrayOfTypeChecker,
element: createElementTypeChecker(),
elementType: createElementTypeTypeChecker(),
instanceOf: createInstanceTypeChecker,
node: createNodeChecker(),
objectOf: createObjectOfTypeChecker,
oneOf: createEnumTypeChecker,
oneOfType: createUnionTypeChecker,
shape: createShapeTypeChecker,
exact: createStrictShapeTypeChecker,
};
/**
* inlined Object.is polyfill to avoid requiring consumers ship their own
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
*/
/*eslint-disable no-self-compare*/
function is(x, y) {
// SameValue algorithm
if (x === y) {
// Steps 1-5, 7-10
// Steps 6.b-6.e: +0 != -0
return x !== 0 || 1 / x === 1 / y;
} else {
// Step 6.a: NaN == NaN
return x !== x && y !== y;
}
}
/*eslint-enable no-self-compare*/
/**
* We use an Error-like object for backward compatibility as people may call
* PropTypes directly and inspect their output. However, we don't use real
* Errors anymore. We don't inspect their stack anyway, and creating them
* is prohibitively expensive if they are created too often, such as what
* happens in oneOfType() for any type before the one that matched.
*/
function PropTypeError(message) {
this.message = message;
this.stack = '';
}
// Make `instanceof Error` still work for returned errors.
PropTypeError.prototype = Error.prototype;
function createChainableTypeChecker(validate) {
if (process.env.NODE_ENV !== 'production') {
var manualPropTypeCallCache = {};
var manualPropTypeWarningCount = 0;
}
function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {
componentName = componentName || ANONYMOUS;
propFullName = propFullName || propName;
if (secret !== ReactPropTypesSecret_1) {
if (throwOnDirectAccess) {
// New behavior only for users of `prop-types` package
var err = new Error(
'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
'Use `PropTypes.checkPropTypes()` to call them. ' +
'Read more at http://fb.me/use-check-prop-types'
);
err.name = 'Invariant Violation';
throw err;
} else if (process.env.NODE_ENV !== 'production' && typeof console !== 'undefined') {
// Old behavior for people using React.PropTypes
var cacheKey = componentName + ':' + propName;
if (
!manualPropTypeCallCache[cacheKey] &&
// Avoid spamming the console because they are often not actionable except for lib authors
manualPropTypeWarningCount < 3
) {
printWarning$1(
'You are manually calling a React.PropTypes validation ' +
'function for the `' + propFullName + '` prop on `' + componentName + '`. This is deprecated ' +
'and will throw in the standalone `prop-types` package. ' +
'You may be seeing this warning due to a third-party PropTypes ' +
'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.'
);
manualPropTypeCallCache[cacheKey] = true;
manualPropTypeWarningCount++;
}
}
}
if (props[propName] == null) {
if (isRequired) {
if (props[propName] === null) {
return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));
}
return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));
}
return null;
} else {
return validate(props, propName, componentName, location, propFullName);
}
}
var chainedCheckType = checkType.bind(null, false);
chainedCheckType.isRequired = checkType.bind(null, true);
return chainedCheckType;
}
function createPrimitiveTypeChecker(expectedType) {
function validate(props, propName, componentName, location, propFullName, secret) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== expectedType) {
// `propValue` being instance of, say, date/regexp, pass the 'object'
// check, but we can offer a more precise error message here rather than
// 'of type `object`'.
var preciseType = getPreciseType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createAnyTypeChecker() {
return createChainableTypeChecker(emptyFunctionThatReturnsNull);
}
function createArrayOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location, propFullName) {
if (typeof typeChecker !== 'function') {
return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');
}
var propValue = props[propName];
if (!Array.isArray(propValue)) {
var propType = getPropType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));
}
for (var i = 0; i < propValue.length; i++) {
var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret_1);
if (error instanceof Error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createElementTypeChecker() {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
if (!isValidElement(propValue)) {
var propType = getPropType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createElementTypeTypeChecker() {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
if (!reactIs.isValidElementType(propValue)) {
var propType = getPropType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement type.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createInstanceTypeChecker(expectedClass) {
function validate(props, propName, componentName, location, propFullName) {
if (!(props[propName] instanceof expectedClass)) {
var expectedClassName = expectedClass.name || ANONYMOUS;
var actualClassName = getClassName(props[propName]);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createEnumTypeChecker(expectedValues) {
if (!Array.isArray(expectedValues)) {
if (process.env.NODE_ENV !== 'production') {
if (arguments.length > 1) {
printWarning$1(
'Invalid arguments supplied to oneOf, expected an array, got ' + arguments.length + ' arguments. ' +
'A common mistake is to write oneOf(x, y, z) instead of oneOf([x, y, z]).'
);
} else {
printWarning$1('Invalid argument supplied to oneOf, expected an array.');
}
}
return emptyFunctionThatReturnsNull;
}
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
for (var i = 0; i < expectedValues.length; i++) {
if (is(propValue, expectedValues[i])) {
return null;
}
}
var valuesString = JSON.stringify(expectedValues, function replacer(key, value) {
var type = getPreciseType(value);
if (type === 'symbol') {
return String(value);
}
return value;
});
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + String(propValue) + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));
}
return createChainableTypeChecker(validate);
}
function createObjectOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location, propFullName) {
if (typeof typeChecker !== 'function') {
return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');
}
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));
}
for (var key in propValue) {
if (has$1(propValue, key)) {
var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);
if (error instanceof Error) {
return error;
}
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createUnionTypeChecker(arrayOfTypeCheckers) {
if (!Array.isArray(arrayOfTypeCheckers)) {
process.env.NODE_ENV !== 'production' ? printWarning$1('Invalid argument supplied to oneOfType, expected an instance of array.') : void 0;
return emptyFunctionThatReturnsNull;
}
for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
var checker = arrayOfTypeCheckers[i];
if (typeof checker !== 'function') {
printWarning$1(
'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +
'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.'
);
return emptyFunctionThatReturnsNull;
}
}
function validate(props, propName, componentName, location, propFullName) {
for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
var checker = arrayOfTypeCheckers[i];
if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret_1) == null) {
return null;
}
}
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.'));
}
return createChainableTypeChecker(validate);
}
function createNodeChecker() {
function validate(props, propName, componentName, location, propFullName) {
if (!isNode(props[propName])) {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createShapeTypeChecker(shapeTypes) {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
}
for (var key in shapeTypes) {
var checker = shapeTypes[key];
if (!checker) {
continue;
}
var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);
if (error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createStrictShapeTypeChecker(shapeTypes) {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
}
// We need to check all keys in case some are required but missing from
// props.
var allKeys = objectAssign({}, props[propName], shapeTypes);
for (var key in allKeys) {
var checker = shapeTypes[key];
if (!checker) {
return new PropTypeError(
'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +
'\nBad object: ' + JSON.stringify(props[propName], null, ' ') +
'\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ')
);
}
var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);
if (error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function isNode(propValue) {
switch (typeof propValue) {
case 'number':
case 'string':
case 'undefined':
return true;
case 'boolean':
return !propValue;
case 'object':
if (Array.isArray(propValue)) {
return propValue.every(isNode);
}
if (propValue === null || isValidElement(propValue)) {
return true;
}
var iteratorFn = getIteratorFn(propValue);
if (iteratorFn) {
var iterator = iteratorFn.call(propValue);
var step;
if (iteratorFn !== propValue.entries) {
while (!(step = iterator.next()).done) {
if (!isNode(step.value)) {
return false;
}
}
} else {
// Iterator will provide entry [k,v] tuples rather than values.
while (!(step = iterator.next()).done) {
var entry = step.value;
if (entry) {
if (!isNode(entry[1])) {
return false;
}
}
}
}
} else {
return false;
}
return true;
default:
return false;
}
}
function isSymbol(propType, propValue) {
// Native Symbol.
if (propType === 'symbol') {
return true;
}
// falsy value can't be a Symbol
if (!propValue) {
return false;
}
// 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'
if (propValue['@@toStringTag'] === 'Symbol') {
return true;
}
// Fallback for non-spec compliant Symbols which are polyfilled.
if (typeof Symbol === 'function' && propValue instanceof Symbol) {
return true;
}
return false;
}
// Equivalent of `typeof` but with special handling for array and regexp.
function getPropType(propValue) {
var propType = typeof propValue;
if (Array.isArray(propValue)) {
return 'array';
}
if (propValue instanceof RegExp) {
// Old webkits (at least until Android 4.0) return 'function' rather than
// 'object' for typeof a RegExp. We'll normalize this here so that /bla/
// passes PropTypes.object.
return 'object';
}
if (isSymbol(propType, propValue)) {
return 'symbol';
}