| 1 |
- {"version":3,"file":"react-router.js","sources":["../../node_modules/@babel/runtime/helpers/esm/inheritsLoose.js","../../node_modules/react-is/cjs/react-is.production.min.js","../../node_modules/react-is/cjs/react-is.development.js","../../node_modules/react-is/index.js","../../node_modules/object-assign/index.js","../../node_modules/prop-types/lib/ReactPropTypesSecret.js","../../node_modules/prop-types/checkPropTypes.js","../../node_modules/prop-types/factoryWithTypeCheckers.js","../../node_modules/prop-types/index.js","../../node_modules/@babel/runtime/helpers/esm/extends.js","../../node_modules/resolve-pathname/index.js","../../node_modules/value-equal/index.js","../../node_modules/tiny-warning/dist/tiny-warning.esm.js","../../node_modules/tiny-invariant/dist/tiny-invariant.esm.js","../../node_modules/history/esm/history.js","../../node_modules/mini-create-react-context/node_modules/@babel/runtime/helpers/esm/inheritsLoose.js","../../node_modules/mini-create-react-context/dist/esm/index.js","../modules/createNameContext.js","../modules/HistoryContext.js","../modules/RouterContext.js","../modules/Router.js","../modules/MemoryRouter.js","../modules/Lifecycle.js","../modules/Prompt.js","../../node_modules/path-to-regexp/node_modules/isarray/index.js","../../node_modules/path-to-regexp/index.js","../modules/generatePath.js","../modules/Redirect.js","../modules/matchPath.js","../modules/Route.js","../../node_modules/@babel/runtime/helpers/esm/objectWithoutPropertiesLoose.js","../modules/StaticRouter.js","../modules/Switch.js","../../node_modules/hoist-non-react-statics/dist/hoist-non-react-statics.cjs.js","../modules/withRouter.js","../modules/hooks.js","../modules/index.js"],"sourcesContent":["export default function _inheritsLoose(subClass, superClass) {\n subClass.prototype = Object.create(superClass.prototype);\n subClass.prototype.constructor = subClass;\n subClass.__proto__ = superClass;\n}","/** @license React v16.9.0\n * react-is.production.min.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';Object.defineProperty(exports,\"__esModule\",{value:!0});\nvar 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\"):\n60120,r=b?Symbol.for(\"react.memo\"):60115,t=b?Symbol.for(\"react.lazy\"):60116,v=b?Symbol.for(\"react.fundamental\"):60117,w=b?Symbol.for(\"react.responder\"):60118;function x(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 h:return a;default:return u}}case t:case r:case d:return u}}}function y(a){return x(a)===m}exports.typeOf=x;exports.AsyncMode=l;\nexports.ConcurrentMode=m;exports.ContextConsumer=k;exports.ContextProvider=h;exports.Element=c;exports.ForwardRef=n;exports.Fragment=e;exports.Lazy=t;exports.Memo=r;exports.Portal=d;exports.Profiler=g;exports.StrictMode=f;exports.Suspense=p;\nexports.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===v||a.$$typeof===w)};exports.isAsyncMode=function(a){return y(a)||x(a)===l};exports.isConcurrentMode=y;exports.isContextConsumer=function(a){return x(a)===k};exports.isContextProvider=function(a){return x(a)===h};\nexports.isElement=function(a){return\"object\"===typeof a&&null!==a&&a.$$typeof===c};exports.isForwardRef=function(a){return x(a)===n};exports.isFragment=function(a){return x(a)===e};exports.isLazy=function(a){return x(a)===t};exports.isMemo=function(a){return x(a)===r};exports.isPortal=function(a){return x(a)===d};exports.isProfiler=function(a){return x(a)===g};exports.isStrictMode=function(a){return x(a)===f};exports.isSuspense=function(a){return x(a)===p};\n","/** @license React v16.9.0\n * react-is.development.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\n\n\nif (process.env.NODE_ENV !== \"production\") {\n (function() {\n'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\n// The Symbol used to tag the ReactElement-like types. If there is no native Symbol\n// nor polyfill, then a plain number is used for performance.\nvar hasSymbol = typeof Symbol === 'function' && Symbol.for;\n\nvar REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;\nvar REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca;\nvar REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb;\nvar REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc;\nvar REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;\nvar REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;\nvar REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace;\n// TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary\n// (unstable) APIs that have been removed. Can we remove the symbols?\nvar REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol.for('react.async_mode') : 0xeacf;\nvar REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;\nvar REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;\nvar REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;\nvar REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8;\nvar REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;\nvar REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;\nvar REACT_FUNDAMENTAL_TYPE = hasSymbol ? Symbol.for('react.fundamental') : 0xead5;\nvar REACT_RESPONDER_TYPE = hasSymbol ? Symbol.for('react.responder') : 0xead6;\n\nfunction isValidElementType(type) {\n return typeof type === 'string' || typeof type === 'function' ||\n // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.\n 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.$$typeof === REACT_RESPONDER_TYPE);\n}\n\n/**\n * Forked from fbjs/warning:\n * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js\n *\n * Only change is we use console.warn instead of console.error,\n * and do nothing when 'console' is not supported.\n * This really simplifies the code.\n * ---\n * Similar to invariant but only logs a warning if the condition is not met.\n * This can be used to log issues in development environments in critical\n * paths. Removing the logging code for production environments will keep the\n * same logic and follow the same code paths.\n */\n\nvar lowPriorityWarning = function () {};\n\n{\n var printWarning = function (format) {\n for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n var argIndex = 0;\n var message = 'Warning: ' + format.replace(/%s/g, function () {\n return args[argIndex++];\n });\n if (typeof console !== 'undefined') {\n console.warn(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n\n lowPriorityWarning = function (condition, format) {\n if (format === undefined) {\n throw new Error('`lowPriorityWarning(condition, format, ...args)` requires a warning ' + 'message argument');\n }\n if (!condition) {\n for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {\n args[_key2 - 2] = arguments[_key2];\n }\n\n printWarning.apply(undefined, [format].concat(args));\n }\n };\n}\n\nvar lowPriorityWarning$1 = lowPriorityWarning;\n\nfunction typeOf(object) {\n if (typeof object === 'object' && object !== null) {\n var $$typeof = object.$$typeof;\n switch ($$typeof) {\n case REACT_ELEMENT_TYPE:\n var type = object.type;\n\n switch (type) {\n case REACT_ASYNC_MODE_TYPE:\n case REACT_CONCURRENT_MODE_TYPE:\n case REACT_FRAGMENT_TYPE:\n case REACT_PROFILER_TYPE:\n case REACT_STRICT_MODE_TYPE:\n case REACT_SUSPENSE_TYPE:\n return type;\n default:\n var $$typeofType = type && type.$$typeof;\n\n switch ($$typeofType) {\n case REACT_CONTEXT_TYPE:\n case REACT_FORWARD_REF_TYPE:\n case REACT_PROVIDER_TYPE:\n return $$typeofType;\n default:\n return $$typeof;\n }\n }\n case REACT_LAZY_TYPE:\n case REACT_MEMO_TYPE:\n case REACT_PORTAL_TYPE:\n return $$typeof;\n }\n }\n\n return undefined;\n}\n\n// AsyncMode is deprecated along with isAsyncMode\nvar AsyncMode = REACT_ASYNC_MODE_TYPE;\nvar ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;\nvar ContextConsumer = REACT_CONTEXT_TYPE;\nvar ContextProvider = REACT_PROVIDER_TYPE;\nvar Element = REACT_ELEMENT_TYPE;\nvar ForwardRef = REACT_FORWARD_REF_TYPE;\nvar Fragment = REACT_FRAGMENT_TYPE;\nvar Lazy = REACT_LAZY_TYPE;\nvar Memo = REACT_MEMO_TYPE;\nvar Portal = REACT_PORTAL_TYPE;\nvar Profiler = REACT_PROFILER_TYPE;\nvar StrictMode = REACT_STRICT_MODE_TYPE;\nvar Suspense = REACT_SUSPENSE_TYPE;\n\nvar hasWarnedAboutDeprecatedIsAsyncMode = false;\n\n// AsyncMode should be deprecated\nfunction isAsyncMode(object) {\n {\n if (!hasWarnedAboutDeprecatedIsAsyncMode) {\n hasWarnedAboutDeprecatedIsAsyncMode = true;\n lowPriorityWarning$1(false, '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.');\n }\n }\n return isConcurrentMode(object) || typeOf(object) === REACT_ASYNC_MODE_TYPE;\n}\nfunction isConcurrentMode(object) {\n return typeOf(object) === REACT_CONCURRENT_MODE_TYPE;\n}\nfunction isContextConsumer(object) {\n return typeOf(object) === REACT_CONTEXT_TYPE;\n}\nfunction isContextProvider(object) {\n return typeOf(object) === REACT_PROVIDER_TYPE;\n}\nfunction isElement(object) {\n return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;\n}\nfunction isForwardRef(object) {\n return typeOf(object) === REACT_FORWARD_REF_TYPE;\n}\nfunction isFragment(object) {\n return typeOf(object) === REACT_FRAGMENT_TYPE;\n}\nfunction isLazy(object) {\n return typeOf(object) === REACT_LAZY_TYPE;\n}\nfunction isMemo(object) {\n return typeOf(object) === REACT_MEMO_TYPE;\n}\nfunction isPortal(object) {\n return typeOf(object) === REACT_PORTAL_TYPE;\n}\nfunction isProfiler(object) {\n return typeOf(object) === REACT_PROFILER_TYPE;\n}\nfunction isStrictMode(object) {\n return typeOf(object) === REACT_STRICT_MODE_TYPE;\n}\nfunction isSuspense(object) {\n return typeOf(object) === REACT_SUSPENSE_TYPE;\n}\n\nexports.typeOf = typeOf;\nexports.AsyncMode = AsyncMode;\nexports.ConcurrentMode = ConcurrentMode;\nexports.ContextConsumer = ContextConsumer;\nexports.ContextProvider = ContextProvider;\nexports.Element = Element;\nexports.ForwardRef = ForwardRef;\nexports.Fragment = Fragment;\nexports.Lazy = Lazy;\nexports.Memo = Memo;\nexports.Portal = Portal;\nexports.Profiler = Profiler;\nexports.StrictMode = StrictMode;\nexports.Suspense = Suspense;\nexports.isValidElementType = isValidElementType;\nexports.isAsyncMode = isAsyncMode;\nexports.isConcurrentMode = isConcurrentMode;\nexports.isContextConsumer = isContextConsumer;\nexports.isContextProvider = isContextProvider;\nexports.isElement = isElement;\nexports.isForwardRef = isForwardRef;\nexports.isFragment = isFragment;\nexports.isLazy = isLazy;\nexports.isMemo = isMemo;\nexports.isPortal = isPortal;\nexports.isProfiler = isProfiler;\nexports.isStrictMode = isStrictMode;\nexports.isSuspense = isSuspense;\n })();\n}\n","'use strict';\n\nif (process.env.NODE_ENV === 'production') {\n module.exports = require('./cjs/react-is.production.min.js');\n} else {\n module.exports = require('./cjs/react-is.development.js');\n}\n","/*\nobject-assign\n(c) Sindre Sorhus\n@license MIT\n*/\n\n'use strict';\n/* eslint-disable no-unused-vars */\nvar getOwnPropertySymbols = Object.getOwnPropertySymbols;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar propIsEnumerable = Object.prototype.propertyIsEnumerable;\n\nfunction toObject(val) {\n\tif (val === null || val === undefined) {\n\t\tthrow new TypeError('Object.assign cannot be called with null or undefined');\n\t}\n\n\treturn Object(val);\n}\n\nfunction shouldUseNative() {\n\ttry {\n\t\tif (!Object.assign) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Detect buggy property enumeration order in older V8 versions.\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=4118\n\t\tvar test1 = new String('abc'); // eslint-disable-line no-new-wrappers\n\t\ttest1[5] = 'de';\n\t\tif (Object.getOwnPropertyNames(test1)[0] === '5') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test2 = {};\n\t\tfor (var i = 0; i < 10; i++) {\n\t\t\ttest2['_' + String.fromCharCode(i)] = i;\n\t\t}\n\t\tvar order2 = Object.getOwnPropertyNames(test2).map(function (n) {\n\t\t\treturn test2[n];\n\t\t});\n\t\tif (order2.join('') !== '0123456789') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test3 = {};\n\t\t'abcdefghijklmnopqrst'.split('').forEach(function (letter) {\n\t\t\ttest3[letter] = letter;\n\t\t});\n\t\tif (Object.keys(Object.assign({}, test3)).join('') !==\n\t\t\t\t'abcdefghijklmnopqrst') {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t} catch (err) {\n\t\t// We don't expect any of the above to throw, but better to be safe.\n\t\treturn false;\n\t}\n}\n\nmodule.exports = shouldUseNative() ? Object.assign : function (target, source) {\n\tvar from;\n\tvar to = toObject(target);\n\tvar symbols;\n\n\tfor (var s = 1; s < arguments.length; s++) {\n\t\tfrom = Object(arguments[s]);\n\n\t\tfor (var key in from) {\n\t\t\tif (hasOwnProperty.call(from, key)) {\n\t\t\t\tto[key] = from[key];\n\t\t\t}\n\t\t}\n\n\t\tif (getOwnPropertySymbols) {\n\t\t\tsymbols = getOwnPropertySymbols(from);\n\t\t\tfor (var i = 0; i < symbols.length; i++) {\n\t\t\t\tif (propIsEnumerable.call(from, symbols[i])) {\n\t\t\t\t\tto[symbols[i]] = from[symbols[i]];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn to;\n};\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nvar ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';\n\nmodule.exports = ReactPropTypesSecret;\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nvar printWarning = function() {};\n\nif (process.env.NODE_ENV !== 'production') {\n var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');\n var loggedTypeFailures = {};\n var has = Function.call.bind(Object.prototype.hasOwnProperty);\n\n printWarning = function(text) {\n var message = 'Warning: ' + text;\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n}\n\n/**\n * Assert that the values match with the type specs.\n * Error messages are memorized and will only be shown once.\n *\n * @param {object} typeSpecs Map of name to a ReactPropType\n * @param {object} values Runtime values that need to be type-checked\n * @param {string} location e.g. \"prop\", \"context\", \"child context\"\n * @param {string} componentName Name of the component for error messages.\n * @param {?Function} getStack Returns the component stack.\n * @private\n */\nfunction checkPropTypes(typeSpecs, values, location, componentName, getStack) {\n if (process.env.NODE_ENV !== 'production') {\n for (var typeSpecName in typeSpecs) {\n if (has(typeSpecs, typeSpecName)) {\n var error;\n // Prop type validation may throw. In case they do, we don't want to\n // fail the render phase where it didn't fail before. So we log it.\n // After these have been cleaned up, we'll let them throw.\n try {\n // This is intentionally an invariant that gets caught. It's the same\n // behavior as without this statement except with a better message.\n if (typeof typeSpecs[typeSpecName] !== 'function') {\n var err = Error(\n (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +\n 'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.'\n );\n err.name = 'Invariant Violation';\n throw err;\n }\n error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);\n } catch (ex) {\n error = ex;\n }\n if (error && !(error instanceof Error)) {\n printWarning(\n (componentName || 'React class') + ': type specification of ' +\n location + ' `' + typeSpecName + '` is invalid; the type checker ' +\n 'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +\n 'You may have forgotten to pass an argument to the type checker ' +\n 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +\n 'shape all require an argument).'\n );\n }\n if (error instanceof Error && !(error.message in loggedTypeFailures)) {\n // Only monitor this failure once because there tends to be a lot of the\n // same error.\n loggedTypeFailures[error.message] = true;\n\n var stack = getStack ? getStack() : '';\n\n printWarning(\n 'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')\n );\n }\n }\n }\n }\n}\n\n/**\n * Resets warning cache when testing.\n *\n * @private\n */\ncheckPropTypes.resetWarningCache = function() {\n if (process.env.NODE_ENV !== 'production') {\n loggedTypeFailures = {};\n }\n}\n\nmodule.exports = checkPropTypes;\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nvar ReactIs = require('react-is');\nvar assign = require('object-assign');\n\nvar ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');\nvar checkPropTypes = require('./checkPropTypes');\n\nvar has = Function.call.bind(Object.prototype.hasOwnProperty);\nvar printWarning = function() {};\n\nif (process.env.NODE_ENV !== 'production') {\n printWarning = function(text) {\n var message = 'Warning: ' + text;\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n}\n\nfunction emptyFunctionThatReturnsNull() {\n return null;\n}\n\nmodule.exports = function(isValidElement, throwOnDirectAccess) {\n /* global Symbol */\n var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;\n var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.\n\n /**\n * Returns the iterator method function contained on the iterable object.\n *\n * Be sure to invoke the function with the iterable as context:\n *\n * var iteratorFn = getIteratorFn(myIterable);\n * if (iteratorFn) {\n * var iterator = iteratorFn.call(myIterable);\n * ...\n * }\n *\n * @param {?object} maybeIterable\n * @return {?function}\n */\n function getIteratorFn(maybeIterable) {\n var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);\n if (typeof iteratorFn === 'function') {\n return iteratorFn;\n }\n }\n\n /**\n * Collection of methods that allow declaration and validation of props that are\n * supplied to React components. Example usage:\n *\n * var Props = require('ReactPropTypes');\n * var MyArticle = React.createClass({\n * propTypes: {\n * // An optional string prop named \"description\".\n * description: Props.string,\n *\n * // A required enum prop named \"category\".\n * category: Props.oneOf(['News','Photos']).isRequired,\n *\n * // A prop named \"dialog\" that requires an instance of Dialog.\n * dialog: Props.instanceOf(Dialog).isRequired\n * },\n * render: function() { ... }\n * });\n *\n * A more formal specification of how these methods are used:\n *\n * type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)\n * decl := ReactPropTypes.{type}(.isRequired)?\n *\n * Each and every declaration produces a function with the same signature. This\n * allows the creation of custom validation functions. For example:\n *\n * var MyLink = React.createClass({\n * propTypes: {\n * // An optional string or URI prop named \"href\".\n * href: function(props, propName, componentName) {\n * var propValue = props[propName];\n * if (propValue != null && typeof propValue !== 'string' &&\n * !(propValue instanceof URI)) {\n * return new Error(\n * 'Expected a string or an URI for ' + propName + ' in ' +\n * componentName\n * );\n * }\n * }\n * },\n * render: function() {...}\n * });\n *\n * @internal\n */\n\n var ANONYMOUS = '<<anonymous>>';\n\n // Important!\n // Keep this list in sync with production version in `./factoryWithThrowingShims.js`.\n var ReactPropTypes = {\n array: createPrimitiveTypeChecker('array'),\n bool: createPrimitiveTypeChecker('boolean'),\n func: createPrimitiveTypeChecker('function'),\n number: createPrimitiveTypeChecker('number'),\n object: createPrimitiveTypeChecker('object'),\n string: createPrimitiveTypeChecker('string'),\n symbol: createPrimitiveTypeChecker('symbol'),\n\n any: createAnyTypeChecker(),\n arrayOf: createArrayOfTypeChecker,\n element: createElementTypeChecker(),\n elementType: createElementTypeTypeChecker(),\n instanceOf: createInstanceTypeChecker,\n node: createNodeChecker(),\n objectOf: createObjectOfTypeChecker,\n oneOf: createEnumTypeChecker,\n oneOfType: createUnionTypeChecker,\n shape: createShapeTypeChecker,\n exact: createStrictShapeTypeChecker,\n };\n\n /**\n * inlined Object.is polyfill to avoid requiring consumers ship their own\n * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\n */\n /*eslint-disable no-self-compare*/\n function is(x, y) {\n // SameValue algorithm\n if (x === y) {\n // Steps 1-5, 7-10\n // Steps 6.b-6.e: +0 != -0\n return x !== 0 || 1 / x === 1 / y;\n } else {\n // Step 6.a: NaN == NaN\n return x !== x && y !== y;\n }\n }\n /*eslint-enable no-self-compare*/\n\n /**\n * We use an Error-like object for backward compatibility as people may call\n * PropTypes directly and inspect their output. However, we don't use real\n * Errors anymore. We don't inspect their stack anyway, and creating them\n * is prohibitively expensive if they are created too often, such as what\n * happens in oneOfType() for any type before the one that matched.\n */\n function PropTypeError(message) {\n this.message = message;\n this.stack = '';\n }\n // Make `instanceof Error` still work for returned errors.\n PropTypeError.prototype = Error.prototype;\n\n function createChainableTypeChecker(validate) {\n if (process.env.NODE_ENV !== 'production') {\n var manualPropTypeCallCache = {};\n var manualPropTypeWarningCount = 0;\n }\n function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {\n componentName = componentName || ANONYMOUS;\n propFullName = propFullName || propName;\n\n if (secret !== ReactPropTypesSecret) {\n if (throwOnDirectAccess) {\n // New behavior only for users of `prop-types` package\n var err = new Error(\n 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +\n 'Use `PropTypes.checkPropTypes()` to call them. ' +\n 'Read more at http://fb.me/use-check-prop-types'\n );\n err.name = 'Invariant Violation';\n throw err;\n } else if (process.env.NODE_ENV !== 'production' && typeof console !== 'undefined') {\n // Old behavior for people using React.PropTypes\n var cacheKey = componentName + ':' + propName;\n if (\n !manualPropTypeCallCache[cacheKey] &&\n // Avoid spamming the console because they are often not actionable except for lib authors\n manualPropTypeWarningCount < 3\n ) {\n printWarning(\n 'You are manually calling a React.PropTypes validation ' +\n 'function for the `' + propFullName + '` prop on `' + componentName + '`. This is deprecated ' +\n 'and will throw in the standalone `prop-types` package. ' +\n 'You may be seeing this warning due to a third-party PropTypes ' +\n 'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.'\n );\n manualPropTypeCallCache[cacheKey] = true;\n manualPropTypeWarningCount++;\n }\n }\n }\n if (props[propName] == null) {\n if (isRequired) {\n if (props[propName] === null) {\n return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));\n }\n return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));\n }\n return null;\n } else {\n return validate(props, propName, componentName, location, propFullName);\n }\n }\n\n var chainedCheckType = checkType.bind(null, false);\n chainedCheckType.isRequired = checkType.bind(null, true);\n\n return chainedCheckType;\n }\n\n function createPrimitiveTypeChecker(expectedType) {\n function validate(props, propName, componentName, location, propFullName, secret) {\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== expectedType) {\n // `propValue` being instance of, say, date/regexp, pass the 'object'\n // check, but we can offer a more precise error message here rather than\n // 'of type `object`'.\n var preciseType = getPreciseType(propValue);\n\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createAnyTypeChecker() {\n return createChainableTypeChecker(emptyFunctionThatReturnsNull);\n }\n\n function createArrayOfTypeChecker(typeChecker) {\n function validate(props, propName, componentName, location, propFullName) {\n if (typeof typeChecker !== 'function') {\n return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');\n }\n var propValue = props[propName];\n if (!Array.isArray(propValue)) {\n var propType = getPropType(propValue);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));\n }\n for (var i = 0; i < propValue.length; i++) {\n var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret);\n if (error instanceof Error) {\n return error;\n }\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createElementTypeChecker() {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n if (!isValidElement(propValue)) {\n var propType = getPropType(propValue);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createElementTypeTypeChecker() {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n if (!ReactIs.isValidElementType(propValue)) {\n var propType = getPropType(propValue);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement type.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createInstanceTypeChecker(expectedClass) {\n function validate(props, propName, componentName, location, propFullName) {\n if (!(props[propName] instanceof expectedClass)) {\n var expectedClassName = expectedClass.name || ANONYMOUS;\n var actualClassName = getClassName(props[propName]);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createEnumTypeChecker(expectedValues) {\n if (!Array.isArray(expectedValues)) {\n if (process.env.NODE_ENV !== 'production') {\n if (arguments.length > 1) {\n printWarning(\n 'Invalid arguments supplied to oneOf, expected an array, got ' + arguments.length + ' arguments. ' +\n 'A common mistake is to write oneOf(x, y, z) instead of oneOf([x, y, z]).'\n );\n } else {\n printWarning('Invalid argument supplied to oneOf, expected an array.');\n }\n }\n return emptyFunctionThatReturnsNull;\n }\n\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n for (var i = 0; i < expectedValues.length; i++) {\n if (is(propValue, expectedValues[i])) {\n return null;\n }\n }\n\n var valuesString = JSON.stringify(expectedValues, function replacer(key, value) {\n var type = getPreciseType(value);\n if (type === 'symbol') {\n return String(value);\n }\n return value;\n });\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + String(propValue) + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));\n }\n return createChainableTypeChecker(validate);\n }\n\n function createObjectOfTypeChecker(typeChecker) {\n function validate(props, propName, componentName, location, propFullName) {\n if (typeof typeChecker !== 'function') {\n return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');\n }\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== 'object') {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));\n }\n for (var key in propValue) {\n if (has(propValue, key)) {\n var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n if (error instanceof Error) {\n return error;\n }\n }\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createUnionTypeChecker(arrayOfTypeCheckers) {\n if (!Array.isArray(arrayOfTypeCheckers)) {\n process.env.NODE_ENV !== 'production' ? printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') : void 0;\n return emptyFunctionThatReturnsNull;\n }\n\n for (var i = 0; i < arrayOfTypeCheckers.length; i++) {\n var checker = arrayOfTypeCheckers[i];\n if (typeof checker !== 'function') {\n printWarning(\n 'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +\n 'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.'\n );\n return emptyFunctionThatReturnsNull;\n }\n }\n\n function validate(props, propName, componentName, location, propFullName) {\n for (var i = 0; i < arrayOfTypeCheckers.length; i++) {\n var checker = arrayOfTypeCheckers[i];\n if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret) == null) {\n return null;\n }\n }\n\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.'));\n }\n return createChainableTypeChecker(validate);\n }\n\n function createNodeChecker() {\n function validate(props, propName, componentName, location, propFullName) {\n if (!isNode(props[propName])) {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createShapeTypeChecker(shapeTypes) {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== 'object') {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));\n }\n for (var key in shapeTypes) {\n var checker = shapeTypes[key];\n if (!checker) {\n continue;\n }\n var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n if (error) {\n return error;\n }\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createStrictShapeTypeChecker(shapeTypes) {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== 'object') {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));\n }\n // We need to check all keys in case some are required but missing from\n // props.\n var allKeys = assign({}, props[propName], shapeTypes);\n for (var key in allKeys) {\n var checker = shapeTypes[key];\n if (!checker) {\n return new PropTypeError(\n 'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +\n '\\nBad object: ' + JSON.stringify(props[propName], null, ' ') +\n '\\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ')\n );\n }\n var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n if (error) {\n return error;\n }\n }\n return null;\n }\n\n return createChainableTypeChecker(validate);\n }\n\n function isNode(propValue) {\n switch (typeof propValue) {\n case 'number':\n case 'string':\n case 'undefined':\n return true;\n case 'boolean':\n return !propValue;\n case 'object':\n if (Array.isArray(propValue)) {\n return propValue.every(isNode);\n }\n if (propValue === null || isValidElement(propValue)) {\n return true;\n }\n\n var iteratorFn = getIteratorFn(propValue);\n if (iteratorFn) {\n var iterator = iteratorFn.call(propValue);\n var step;\n if (iteratorFn !== propValue.entries) {\n while (!(step = iterator.next()).done) {\n if (!isNode(step.value)) {\n return false;\n }\n }\n } else {\n // Iterator will provide entry [k,v] tuples rather than values.\n while (!(step = iterator.next()).done) {\n var entry = step.value;\n if (entry) {\n if (!isNode(entry[1])) {\n return false;\n }\n }\n }\n }\n } else {\n return false;\n }\n\n return true;\n default:\n return false;\n }\n }\n\n function isSymbol(propType, propValue) {\n // Native Symbol.\n if (propType === 'symbol') {\n return true;\n }\n\n // falsy value can't be a Symbol\n if (!propValue) {\n return false;\n }\n\n // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'\n if (propValue['@@toStringTag'] === 'Symbol') {\n return true;\n }\n\n // Fallback for non-spec compliant Symbols which are polyfilled.\n if (typeof Symbol === 'function' && propValue instanceof Symbol) {\n return true;\n }\n\n return false;\n }\n\n // Equivalent of `typeof` but with special handling for array and regexp.\n function getPropType(propValue) {\n var propType = typeof propValue;\n if (Array.isArray(propValue)) {\n return 'array';\n }\n if (propValue instanceof RegExp) {\n // Old webkits (at least until Android 4.0) return 'function' rather than\n // 'object' for typeof a RegExp. We'll normalize this here so that /bla/\n // passes PropTypes.object.\n return 'object';\n }\n if (isSymbol(propType, propValue)) {\n return 'symbol';\n }\n return propType;\n }\n\n // This handles more types than `getPropType`. Only used for error messages.\n // See `createPrimitiveTypeChecker`.\n function getPreciseType(propValue) {\n if (typeof propValue === 'undefined' || propValue === null) {\n return '' + propValue;\n }\n var propType = getPropType(propValue);\n if (propType === 'object') {\n if (propValue instanceof Date) {\n return 'date';\n } else if (propValue instanceof RegExp) {\n return 'regexp';\n }\n }\n return propType;\n }\n\n // Returns a string that is postfixed to a warning about an invalid type.\n // For example, \"undefined\" or \"of type array\"\n function getPostfixForTypeWarning(value) {\n var type = getPreciseType(value);\n switch (type) {\n case 'array':\n case 'object':\n return 'an ' + type;\n case 'boolean':\n case 'date':\n case 'regexp':\n return 'a ' + type;\n default:\n return type;\n }\n }\n\n // Returns class name of the object, if any.\n function getClassName(propValue) {\n if (!propValue.constructor || !propValue.constructor.name) {\n return ANONYMOUS;\n }\n return propValue.constructor.name;\n }\n\n ReactPropTypes.checkPropTypes = checkPropTypes;\n ReactPropTypes.resetWarningCache = checkPropTypes.resetWarningCache;\n ReactPropTypes.PropTypes = ReactPropTypes;\n\n return ReactPropTypes;\n};\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nif (process.env.NODE_ENV !== 'production') {\n var ReactIs = require('react-is');\n\n // By explicitly using `prop-types` you are opting into new development behavior.\n // http://fb.me/prop-types-in-prod\n var throwOnDirectAccess = true;\n module.exports = require('./factoryWithTypeCheckers')(ReactIs.isElement, throwOnDirectAccess);\n} else {\n // By explicitly using `prop-types` you are opting into new production behavior.\n // http://fb.me/prop-types-in-prod\n module.exports = require('./factoryWithThrowingShims')();\n}\n","export default function _extends() {\n _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n };\n\n return _extends.apply(this, arguments);\n}","function isAbsolute(pathname) {\n return pathname.charAt(0) === '/';\n}\n\n// About 1.5x faster than the two-arg version of Array#splice()\nfunction spliceOne(list, index) {\n for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) {\n list[i] = list[k];\n }\n\n list.pop();\n}\n\n// This implementation is based heavily on node's url.parse\nfunction resolvePathname(to) {\n var from = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';\n\n var toParts = to && to.split('/') || [];\n var fromParts = from && from.split('/') || [];\n\n var isToAbs = to && isAbsolute(to);\n var isFromAbs = from && isAbsolute(from);\n var mustEndAbs = isToAbs || isFromAbs;\n\n if (to && isAbsolute(to)) {\n // to is absolute\n fromParts = toParts;\n } else if (toParts.length) {\n // to is relative, drop the filename\n fromParts.pop();\n fromParts = fromParts.concat(toParts);\n }\n\n if (!fromParts.length) return '/';\n\n var hasTrailingSlash = void 0;\n if (fromParts.length) {\n var last = fromParts[fromParts.length - 1];\n hasTrailingSlash = last === '.' || last === '..' || last === '';\n } else {\n hasTrailingSlash = false;\n }\n\n var up = 0;\n for (var i = fromParts.length; i >= 0; i--) {\n var part = fromParts[i];\n\n if (part === '.') {\n spliceOne(fromParts, i);\n } else if (part === '..') {\n spliceOne(fromParts, i);\n up++;\n } else if (up) {\n spliceOne(fromParts, i);\n up--;\n }\n }\n\n if (!mustEndAbs) for (; up--; up) {\n fromParts.unshift('..');\n }if (mustEndAbs && fromParts[0] !== '' && (!fromParts[0] || !isAbsolute(fromParts[0]))) fromParts.unshift('');\n\n var result = fromParts.join('/');\n\n if (hasTrailingSlash && result.substr(-1) !== '/') result += '/';\n\n return result;\n}\n\nexport default resolvePathname;","var _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nfunction valueEqual(a, b) {\n if (a === b) return true;\n\n if (a == null || b == null) return false;\n\n if (Array.isArray(a)) {\n return Array.isArray(b) && a.length === b.length && a.every(function (item, index) {\n return valueEqual(item, b[index]);\n });\n }\n\n var aType = typeof a === 'undefined' ? 'undefined' : _typeof(a);\n var bType = typeof b === 'undefined' ? 'undefined' : _typeof(b);\n\n if (aType !== bType) return false;\n\n if (aType === 'object') {\n var aValue = a.valueOf();\n var bValue = b.valueOf();\n\n if (aValue !== a || bValue !== b) return valueEqual(aValue, bValue);\n\n var aKeys = Object.keys(a);\n var bKeys = Object.keys(b);\n\n if (aKeys.length !== bKeys.length) return false;\n\n return aKeys.every(function (key) {\n return valueEqual(a[key], b[key]);\n });\n }\n\n return false;\n}\n\nexport default valueEqual;","var isProduction = process.env.NODE_ENV === 'production';\nfunction warning(condition, message) {\n if (!isProduction) {\n if (condition) {\n return;\n }\n\n var text = \"Warning: \" + message;\n\n if (typeof console !== 'undefined') {\n console.warn(text);\n }\n\n try {\n throw Error(text);\n } catch (x) {}\n }\n}\n\nexport default warning;\n","var isProduction = process.env.NODE_ENV === 'production';\nvar prefix = 'Invariant failed';\nfunction invariant(condition, message) {\n if (condition) {\n return;\n }\n\n if (isProduction) {\n throw new Error(prefix);\n } else {\n throw new Error(prefix + \": \" + (message || ''));\n }\n}\n\nexport default invariant;\n","import _extends from '@babel/runtime/helpers/esm/extends';\nimport resolvePathname from 'resolve-pathname';\nimport valueEqual from 'value-equal';\nimport warning from 'tiny-warning';\nimport invariant from 'tiny-invariant';\n\nfunction addLeadingSlash(path) {\n return path.charAt(0) === '/' ? path : '/' + path;\n}\nfunction stripLeadingSlash(path) {\n return path.charAt(0) === '/' ? path.substr(1) : path;\n}\nfunction hasBasename(path, prefix) {\n return new RegExp('^' + prefix + '(\\\\/|\\\\?|#|$)', 'i').test(path);\n}\nfunction stripBasename(path, prefix) {\n return hasBasename(path, prefix) ? path.substr(prefix.length) : path;\n}\nfunction stripTrailingSlash(path) {\n return path.charAt(path.length - 1) === '/' ? path.slice(0, -1) : path;\n}\nfunction parsePath(path) {\n var pathname = path || '/';\n var search = '';\n var hash = '';\n var hashIndex = pathname.indexOf('#');\n\n if (hashIndex !== -1) {\n hash = pathname.substr(hashIndex);\n pathname = pathname.substr(0, hashIndex);\n }\n\n var searchIndex = pathname.indexOf('?');\n\n if (searchIndex !== -1) {\n search = pathname.substr(searchIndex);\n pathname = pathname.substr(0, searchIndex);\n }\n\n return {\n pathname: pathname,\n search: search === '?' ? '' : search,\n hash: hash === '#' ? '' : hash\n };\n}\nfunction createPath(location) {\n var pathname = location.pathname,\n search = location.search,\n hash = location.hash;\n var path = pathname || '/';\n if (search && search !== '?') path += search.charAt(0) === '?' ? search : \"?\" + search;\n if (hash && hash !== '#') path += hash.charAt(0) === '#' ? hash : \"#\" + hash;\n return path;\n}\n\nfunction createLocation(path, state, key, currentLocation) {\n var location;\n\n if (typeof path === 'string') {\n // Two-arg form: push(path, state)\n location = parsePath(path);\n location.state = state;\n } else {\n // One-arg form: push(location)\n location = _extends({}, path);\n if (location.pathname === undefined) location.pathname = '';\n\n if (location.search) {\n if (location.search.charAt(0) !== '?') location.search = '?' + location.search;\n } else {\n location.search = '';\n }\n\n if (location.hash) {\n if (location.hash.charAt(0) !== '#') location.hash = '#' + location.hash;\n } else {\n location.hash = '';\n }\n\n if (state !== undefined && location.state === undefined) location.state = state;\n }\n\n try {\n location.pathname = decodeURI(location.pathname);\n } catch (e) {\n if (e instanceof URIError) {\n throw new URIError('Pathname \"' + location.pathname + '\" could not be decoded. ' + 'This is likely caused by an invalid percent-encoding.');\n } else {\n throw e;\n }\n }\n\n if (key) location.key = key;\n\n if (currentLocation) {\n // Resolve incomplete/relative pathname relative to current location.\n if (!location.pathname) {\n location.pathname = currentLocation.pathname;\n } else if (location.pathname.charAt(0) !== '/') {\n location.pathname = resolvePathname(location.pathname, currentLocation.pathname);\n }\n } else {\n // When there is no prior location and pathname is empty, set it to /\n if (!location.pathname) {\n location.pathname = '/';\n }\n }\n\n return location;\n}\nfunction locationsAreEqual(a, b) {\n return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash && a.key === b.key && valueEqual(a.state, b.state);\n}\n\nfunction createTransitionManager() {\n var prompt = null;\n\n function setPrompt(nextPrompt) {\n process.env.NODE_ENV !== \"production\" ? warning(prompt == null, 'A history supports only one prompt at a time') : void 0;\n prompt = nextPrompt;\n return function () {\n if (prompt === nextPrompt) prompt = null;\n };\n }\n\n function confirmTransitionTo(location, action, getUserConfirmation, callback) {\n // TODO: If another transition starts while we're still confirming\n // the previous one, we may end up in a weird state. Figure out the\n // best way to handle this.\n if (prompt != null) {\n var result = typeof prompt === 'function' ? prompt(location, action) : prompt;\n\n if (typeof result === 'string') {\n if (typeof getUserConfirmation === 'function') {\n getUserConfirmation(result, callback);\n } else {\n process.env.NODE_ENV !== \"production\" ? warning(false, 'A history needs a getUserConfirmation function in order to use a prompt message') : void 0;\n callback(true);\n }\n } else {\n // Return false from a transition hook to cancel the transition.\n callback(result !== false);\n }\n } else {\n callback(true);\n }\n }\n\n var listeners = [];\n\n function appendListener(fn) {\n var isActive = true;\n\n function listener() {\n if (isActive) fn.apply(void 0, arguments);\n }\n\n listeners.push(listener);\n return function () {\n isActive = false;\n listeners = listeners.filter(function (item) {\n return item !== listener;\n });\n };\n }\n\n function notifyListeners() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n listeners.forEach(function (listener) {\n return listener.apply(void 0, args);\n });\n }\n\n return {\n setPrompt: setPrompt,\n confirmTransitionTo: confirmTransitionTo,\n appendListener: appendListener,\n notifyListeners: notifyListeners\n };\n}\n\nvar canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);\nfunction getConfirmation(message, callback) {\n callback(window.confirm(message)); // eslint-disable-line no-alert\n}\n/**\n * Returns true if the HTML5 history API is supported. Taken from Modernizr.\n *\n * https://github.com/Modernizr/Modernizr/blob/master/LICENSE\n * https://github.com/Modernizr/Modernizr/blob/master/feature-detects/history.js\n * changed to avoid false negatives for Windows Phones: https://github.com/reactjs/react-router/issues/586\n */\n\nfunction supportsHistory() {\n var ua = window.navigator.userAgent;\n if ((ua.indexOf('Android 2.') !== -1 || ua.indexOf('Android 4.0') !== -1) && ua.indexOf('Mobile Safari') !== -1 && ua.indexOf('Chrome') === -1 && ua.indexOf('Windows Phone') === -1) return false;\n return window.history && 'pushState' in window.history;\n}\n/**\n * Returns true if browser fires popstate on hash change.\n * IE10 and IE11 do not.\n */\n\nfunction supportsPopStateOnHashChange() {\n return window.navigator.userAgent.indexOf('Trident') === -1;\n}\n/**\n * Returns false if using go(n) with hash history causes a full page reload.\n */\n\nfunction supportsGoWithoutReloadUsingHash() {\n return window.navigator.userAgent.indexOf('Firefox') === -1;\n}\n/**\n * Returns true if a given popstate event is an extraneous WebKit event.\n * Accounts for the fact that Chrome on iOS fires real popstate events\n * containing undefined state when pressing the back button.\n */\n\nfunction isExtraneousPopstateEvent(event) {\n event.state === undefined && navigator.userAgent.indexOf('CriOS') === -1;\n}\n\nvar PopStateEvent = 'popstate';\nvar HashChangeEvent = 'hashchange';\n\nfunction getHistoryState() {\n try {\n return window.history.state || {};\n } catch (e) {\n // IE 11 sometimes throws when accessing window.history.state\n // See https://github.com/ReactTraining/history/pull/289\n return {};\n }\n}\n/**\n * Creates a history object that uses the HTML5 history API including\n * pushState, replaceState, and the popstate event.\n */\n\n\nfunction createBrowserHistory(props) {\n if (props === void 0) {\n props = {};\n }\n\n !canUseDOM ? process.env.NODE_ENV !== \"production\" ? invariant(false, 'Browser history needs a DOM') : invariant(false) : void 0;\n var globalHistory = window.history;\n var canUseHistory = supportsHistory();\n var needsHashChangeListener = !supportsPopStateOnHashChange();\n var _props = props,\n _props$forceRefresh = _props.forceRefresh,\n forceRefresh = _props$forceRefresh === void 0 ? false : _props$forceRefresh,\n _props$getUserConfirm = _props.getUserConfirmation,\n getUserConfirmation = _props$getUserConfirm === void 0 ? getConfirmation : _props$getUserConfirm,\n _props$keyLength = _props.keyLength,\n keyLength = _props$keyLength === void 0 ? 6 : _props$keyLength;\n var basename = props.basename ? stripTrailingSlash(addLeadingSlash(props.basename)) : '';\n\n function getDOMLocation(historyState) {\n var _ref = historyState || {},\n key = _ref.key,\n state = _ref.state;\n\n var _window$location = window.location,\n pathname = _window$location.pathname,\n search = _window$location.search,\n hash = _window$location.hash;\n var path = pathname + search + hash;\n process.env.NODE_ENV !== \"production\" ? warning(!basename || hasBasename(path, basename), 'You are attempting to use a basename on a page whose URL path does not begin ' + 'with the basename. Expected path \"' + path + '\" to begin with \"' + basename + '\".') : void 0;\n if (basename) path = stripBasename(path, basename);\n return createLocation(path, state, key);\n }\n\n function createKey() {\n return Math.random().toString(36).substr(2, keyLength);\n }\n\n var transitionManager = createTransitionManager();\n\n function setState(nextState) {\n _extends(history, nextState);\n\n history.length = globalHistory.length;\n transitionManager.notifyListeners(history.location, history.action);\n }\n\n function handlePopState(event) {\n // Ignore extraneous popstate events in WebKit.\n if (isExtraneousPopstateEvent(event)) return;\n handlePop(getDOMLocation(event.state));\n }\n\n function handleHashChange() {\n handlePop(getDOMLocation(getHistoryState()));\n }\n\n var forceNextPop = false;\n\n function handlePop(location) {\n if (forceNextPop) {\n forceNextPop = false;\n setState();\n } else {\n var action = 'POP';\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (ok) {\n setState({\n action: action,\n location: location\n });\n } else {\n revertPop(location);\n }\n });\n }\n }\n\n function revertPop(fromLocation) {\n var toLocation = history.location; // TODO: We could probably make this more reliable by\n // keeping a list of keys we've seen in sessionStorage.\n // Instead, we just default to 0 for keys we don't know.\n\n var toIndex = allKeys.indexOf(toLocation.key);\n if (toIndex === -1) toIndex = 0;\n var fromIndex = allKeys.indexOf(fromLocation.key);\n if (fromIndex === -1) fromIndex = 0;\n var delta = toIndex - fromIndex;\n\n if (delta) {\n forceNextPop = true;\n go(delta);\n }\n }\n\n var initialLocation = getDOMLocation(getHistoryState());\n var allKeys = [initialLocation.key]; // Public interface\n\n function createHref(location) {\n return basename + createPath(location);\n }\n\n function push(path, state) {\n process.env.NODE_ENV !== \"production\" ? warning(!(typeof path === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to push when the 1st ' + 'argument is a location-like object that already has state; it is ignored') : void 0;\n var action = 'PUSH';\n var location = createLocation(path, state, createKey(), history.location);\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (!ok) return;\n var href = createHref(location);\n var key = location.key,\n state = location.state;\n\n if (canUseHistory) {\n globalHistory.pushState({\n key: key,\n state: state\n }, null, href);\n\n if (forceRefresh) {\n window.location.href = href;\n } else {\n var prevIndex = allKeys.indexOf(history.location.key);\n var nextKeys = allKeys.slice(0, prevIndex === -1 ? 0 : prevIndex + 1);\n nextKeys.push(location.key);\n allKeys = nextKeys;\n setState({\n action: action,\n location: location\n });\n }\n } else {\n process.env.NODE_ENV !== \"production\" ? warning(state === undefined, 'Browser history cannot push state in browsers that do not support HTML5 history') : void 0;\n window.location.href = href;\n }\n });\n }\n\n function replace(path, state) {\n process.env.NODE_ENV !== \"production\" ? warning(!(typeof path === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to replace when the 1st ' + 'argument is a location-like object that already has state; it is ignored') : void 0;\n var action = 'REPLACE';\n var location = createLocation(path, state, createKey(), history.location);\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (!ok) return;\n var href = createHref(location);\n var key = location.key,\n state = location.state;\n\n if (canUseHistory) {\n globalHistory.replaceState({\n key: key,\n state: state\n }, null, href);\n\n if (forceRefresh) {\n window.location.replace(href);\n } else {\n var prevIndex = allKeys.indexOf(history.location.key);\n if (prevIndex !== -1) allKeys[prevIndex] = location.key;\n setState({\n action: action,\n location: location\n });\n }\n } else {\n process.env.NODE_ENV !== \"production\" ? warning(state === undefined, 'Browser history cannot replace state in browsers that do not support HTML5 history') : void 0;\n window.location.replace(href);\n }\n });\n }\n\n function go(n) {\n globalHistory.go(n);\n }\n\n function goBack() {\n go(-1);\n }\n\n function goForward() {\n go(1);\n }\n\n var listenerCount = 0;\n\n function checkDOMListeners(delta) {\n listenerCount += delta;\n\n if (listenerCount === 1 && delta === 1) {\n window.addEventListener(PopStateEvent, handlePopState);\n if (needsHashChangeListener) window.addEventListener(HashChangeEvent, handleHashChange);\n } else if (listenerCount === 0) {\n window.removeEventListener(PopStateEvent, handlePopState);\n if (needsHashChangeListener) window.removeEventListener(HashChangeEvent, handleHashChange);\n }\n }\n\n var isBlocked = false;\n\n function block(prompt) {\n if (prompt === void 0) {\n prompt = false;\n }\n\n var unblock = transitionManager.setPrompt(prompt);\n\n if (!isBlocked) {\n checkDOMListeners(1);\n isBlocked = true;\n }\n\n return function () {\n if (isBlocked) {\n isBlocked = false;\n checkDOMListeners(-1);\n }\n\n return unblock();\n };\n }\n\n function listen(listener) {\n var unlisten = transitionManager.appendListener(listener);\n checkDOMListeners(1);\n return function () {\n checkDOMListeners(-1);\n unlisten();\n };\n }\n\n var history = {\n length: globalHistory.length,\n action: 'POP',\n location: initialLocation,\n createHref: createHref,\n push: push,\n replace: replace,\n go: go,\n goBack: goBack,\n goForward: goForward,\n block: block,\n listen: listen\n };\n return history;\n}\n\nvar HashChangeEvent$1 = 'hashchange';\nvar HashPathCoders = {\n hashbang: {\n encodePath: function encodePath(path) {\n return path.charAt(0) === '!' ? path : '!/' + stripLeadingSlash(path);\n },\n decodePath: function decodePath(path) {\n return path.charAt(0) === '!' ? path.substr(1) : path;\n }\n },\n noslash: {\n encodePath: stripLeadingSlash,\n decodePath: addLeadingSlash\n },\n slash: {\n encodePath: addLeadingSlash,\n decodePath: addLeadingSlash\n }\n};\n\nfunction getHashPath() {\n // We can't use window.location.hash here because it's not\n // consistent across browsers - Firefox will pre-decode it!\n var href = window.location.href;\n var hashIndex = href.indexOf('#');\n return hashIndex === -1 ? '' : href.substring(hashIndex + 1);\n}\n\nfunction pushHashPath(path) {\n window.location.hash = path;\n}\n\nfunction replaceHashPath(path) {\n var hashIndex = window.location.href.indexOf('#');\n window.location.replace(window.location.href.slice(0, hashIndex >= 0 ? hashIndex : 0) + '#' + path);\n}\n\nfunction createHashHistory(props) {\n if (props === void 0) {\n props = {};\n }\n\n !canUseDOM ? process.env.NODE_ENV !== \"production\" ? invariant(false, 'Hash history needs a DOM') : invariant(false) : void 0;\n var globalHistory = window.history;\n var canGoWithoutReload = supportsGoWithoutReloadUsingHash();\n var _props = props,\n _props$getUserConfirm = _props.getUserConfirmation,\n getUserConfirmation = _props$getUserConfirm === void 0 ? getConfirmation : _props$getUserConfirm,\n _props$hashType = _props.hashType,\n hashType = _props$hashType === void 0 ? 'slash' : _props$hashType;\n var basename = props.basename ? stripTrailingSlash(addLeadingSlash(props.basename)) : '';\n var _HashPathCoders$hashT = HashPathCoders[hashType],\n encodePath = _HashPathCoders$hashT.encodePath,\n decodePath = _HashPathCoders$hashT.decodePath;\n\n function getDOMLocation() {\n var path = decodePath(getHashPath());\n process.env.NODE_ENV !== \"production\" ? warning(!basename || hasBasename(path, basename), 'You are attempting to use a basename on a page whose URL path does not begin ' + 'with the basename. Expected path \"' + path + '\" to begin with \"' + basename + '\".') : void 0;\n if (basename) path = stripBasename(path, basename);\n return createLocation(path);\n }\n\n var transitionManager = createTransitionManager();\n\n function setState(nextState) {\n _extends(history, nextState);\n\n history.length = globalHistory.length;\n transitionManager.notifyListeners(history.location, history.action);\n }\n\n var forceNextPop = false;\n var ignorePath = null;\n\n function handleHashChange() {\n var path = getHashPath();\n var encodedPath = encodePath(path);\n\n if (path !== encodedPath) {\n // Ensure we always have a properly-encoded hash.\n replaceHashPath(encodedPath);\n } else {\n var location = getDOMLocation();\n var prevLocation = history.location;\n if (!forceNextPop && locationsAreEqual(prevLocation, location)) return; // A hashchange doesn't always == location change.\n\n if (ignorePath === createPath(location)) return; // Ignore this change; we already setState in push/replace.\n\n ignorePath = null;\n handlePop(location);\n }\n }\n\n function handlePop(location) {\n if (forceNextPop) {\n forceNextPop = false;\n setState();\n } else {\n var action = 'POP';\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (ok) {\n setState({\n action: action,\n location: location\n });\n } else {\n revertPop(location);\n }\n });\n }\n }\n\n function revertPop(fromLocation) {\n var toLocation = history.location; // TODO: We could probably make this more reliable by\n // keeping a list of paths we've seen in sessionStorage.\n // Instead, we just default to 0 for paths we don't know.\n\n var toIndex = allPaths.lastIndexOf(createPath(toLocation));\n if (toIndex === -1) toIndex = 0;\n var fromIndex = allPaths.lastIndexOf(createPath(fromLocation));\n if (fromIndex === -1) fromIndex = 0;\n var delta = toIndex - fromIndex;\n\n if (delta) {\n forceNextPop = true;\n go(delta);\n }\n } // Ensure the hash is encoded properly before doing anything else.\n\n\n var path = getHashPath();\n var encodedPath = encodePath(path);\n if (path !== encodedPath) replaceHashPath(encodedPath);\n var initialLocation = getDOMLocation();\n var allPaths = [createPath(initialLocation)]; // Public interface\n\n function createHref(location) {\n return '#' + encodePath(basename + createPath(location));\n }\n\n function push(path, state) {\n process.env.NODE_ENV !== \"production\" ? warning(state === undefined, 'Hash history cannot push state; it is ignored') : void 0;\n var action = 'PUSH';\n var location = createLocation(path, undefined, undefined, history.location);\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (!ok) return;\n var path = createPath(location);\n var encodedPath = encodePath(basename + path);\n var hashChanged = getHashPath() !== encodedPath;\n\n if (hashChanged) {\n // We cannot tell if a hashchange was caused by a PUSH, so we'd\n // rather setState here and ignore the hashchange. The caveat here\n // is that other hash histories in the page will consider it a POP.\n ignorePath = path;\n pushHashPath(encodedPath);\n var prevIndex = allPaths.lastIndexOf(createPath(history.location));\n var nextPaths = allPaths.slice(0, prevIndex === -1 ? 0 : prevIndex + 1);\n nextPaths.push(path);\n allPaths = nextPaths;\n setState({\n action: action,\n location: location\n });\n } else {\n process.env.NODE_ENV !== \"production\" ? warning(false, 'Hash history cannot PUSH the same path; a new entry will not be added to the history stack') : void 0;\n setState();\n }\n });\n }\n\n function replace(path, state) {\n process.env.NODE_ENV !== \"production\" ? warning(state === undefined, 'Hash history cannot replace state; it is ignored') : void 0;\n var action = 'REPLACE';\n var location = createLocation(path, undefined, undefined, history.location);\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (!ok) return;\n var path = createPath(location);\n var encodedPath = encodePath(basename + path);\n var hashChanged = getHashPath() !== encodedPath;\n\n if (hashChanged) {\n // We cannot tell if a hashchange was caused by a REPLACE, so we'd\n // rather setState here and ignore the hashchange. The caveat here\n // is that other hash histories in the page will consider it a POP.\n ignorePath = path;\n replaceHashPath(encodedPath);\n }\n\n var prevIndex = allPaths.indexOf(createPath(history.location));\n if (prevIndex !== -1) allPaths[prevIndex] = path;\n setState({\n action: action,\n location: location\n });\n });\n }\n\n function go(n) {\n process.env.NODE_ENV !== \"production\" ? warning(canGoWithoutReload, 'Hash history go(n) causes a full page reload in this browser') : void 0;\n globalHistory.go(n);\n }\n\n function goBack() {\n go(-1);\n }\n\n function goForward() {\n go(1);\n }\n\n var listenerCount = 0;\n\n function checkDOMListeners(delta) {\n listenerCount += delta;\n\n if (listenerCount === 1 && delta === 1) {\n window.addEventListener(HashChangeEvent$1, handleHashChange);\n } else if (listenerCount === 0) {\n window.removeEventListener(HashChangeEvent$1, handleHashChange);\n }\n }\n\n var isBlocked = false;\n\n function block(prompt) {\n if (prompt === void 0) {\n prompt = false;\n }\n\n var unblock = transitionManager.setPrompt(prompt);\n\n if (!isBlocked) {\n checkDOMListeners(1);\n isBlocked = true;\n }\n\n return function () {\n if (isBlocked) {\n isBlocked = false;\n checkDOMListeners(-1);\n }\n\n return unblock();\n };\n }\n\n function listen(listener) {\n var unlisten = transitionManager.appendListener(listener);\n checkDOMListeners(1);\n return function () {\n checkDOMListeners(-1);\n unlisten();\n };\n }\n\n var history = {\n length: globalHistory.length,\n action: 'POP',\n location: initialLocation,\n createHref: createHref,\n push: push,\n replace: replace,\n go: go,\n goBack: goBack,\n goForward: goForward,\n block: block,\n listen: listen\n };\n return history;\n}\n\nfunction clamp(n, lowerBound, upperBound) {\n return Math.min(Math.max(n, lowerBound), upperBound);\n}\n/**\n * Creates a history object that stores locations in memory.\n */\n\n\nfunction createMemoryHistory(props) {\n if (props === void 0) {\n props = {};\n }\n\n var _props = props,\n getUserConfirmation = _props.getUserConfirmation,\n _props$initialEntries = _props.initialEntries,\n initialEntries = _props$initialEntries === void 0 ? ['/'] : _props$initialEntries,\n _props$initialIndex = _props.initialIndex,\n initialIndex = _props$initialIndex === void 0 ? 0 : _props$initialIndex,\n _props$keyLength = _props.keyLength,\n keyLength = _props$keyLength === void 0 ? 6 : _props$keyLength;\n var transitionManager = createTransitionManager();\n\n function setState(nextState) {\n _extends(history, nextState);\n\n history.length = history.entries.length;\n transitionManager.notifyListeners(history.location, history.action);\n }\n\n function createKey() {\n return Math.random().toString(36).substr(2, keyLength);\n }\n\n var index = clamp(initialIndex, 0, initialEntries.length - 1);\n var entries = initialEntries.map(function (entry) {\n return typeof entry === 'string' ? createLocation(entry, undefined, createKey()) : createLocation(entry, undefined, entry.key || createKey());\n }); // Public interface\n\n var createHref = createPath;\n\n function push(path, state) {\n process.env.NODE_ENV !== \"production\" ? warning(!(typeof path === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to push when the 1st ' + 'argument is a location-like object that already has state; it is ignored') : void 0;\n var action = 'PUSH';\n var location = createLocation(path, state, createKey(), history.location);\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (!ok) return;\n var prevIndex = history.index;\n var nextIndex = prevIndex + 1;\n var nextEntries = history.entries.slice(0);\n\n if (nextEntries.length > nextIndex) {\n nextEntries.splice(nextIndex, nextEntries.length - nextIndex, location);\n } else {\n nextEntries.push(location);\n }\n\n setState({\n action: action,\n location: location,\n index: nextIndex,\n entries: nextEntries\n });\n });\n }\n\n function replace(path, state) {\n process.env.NODE_ENV !== \"production\" ? warning(!(typeof path === 'object' && path.state !== undefined && state !== undefined), 'You should avoid providing a 2nd state argument to replace when the 1st ' + 'argument is a location-like object that already has state; it is ignored') : void 0;\n var action = 'REPLACE';\n var location = createLocation(path, state, createKey(), history.location);\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (!ok) return;\n history.entries[history.index] = location;\n setState({\n action: action,\n location: location\n });\n });\n }\n\n function go(n) {\n var nextIndex = clamp(history.index + n, 0, history.entries.length - 1);\n var action = 'POP';\n var location = history.entries[nextIndex];\n transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {\n if (ok) {\n setState({\n action: action,\n location: location,\n index: nextIndex\n });\n } else {\n // Mimic the behavior of DOM histories by\n // causing a render after a cancelled POP.\n setState();\n }\n });\n }\n\n function goBack() {\n go(-1);\n }\n\n function goForward() {\n go(1);\n }\n\n function canGo(n) {\n var nextIndex = history.index + n;\n return nextIndex >= 0 && nextIndex < history.entries.length;\n }\n\n function block(prompt) {\n if (prompt === void 0) {\n prompt = false;\n }\n\n return transitionManager.setPrompt(prompt);\n }\n\n function listen(listener) {\n return transitionManager.appendListener(listener);\n }\n\n var history = {\n length: entries.length,\n action: 'POP',\n location: entries[index],\n index: index,\n entries: entries,\n createHref: createHref,\n push: push,\n replace: replace,\n go: go,\n goBack: goBack,\n goForward: goForward,\n canGo: canGo,\n block: block,\n listen: listen\n };\n return history;\n}\n\nexport { createBrowserHistory, createHashHistory, createMemoryHistory, createLocation, locationsAreEqual, parsePath, createPath };\n","export default function _inheritsLoose(subClass, superClass) {\n subClass.prototype = Object.create(superClass.prototype);\n subClass.prototype.constructor = subClass;\n subClass.__proto__ = superClass;\n}","import React, { Component } from 'react';\nimport _inheritsLoose from '@babel/runtime/helpers/esm/inheritsLoose';\nimport PropTypes from 'prop-types';\nimport warning from 'tiny-warning';\n\nvar MAX_SIGNED_31_BIT_INT = 1073741823;\nvar commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : {};\n\nfunction getUniqueId() {\n var key = '__global_unique_id__';\n return commonjsGlobal[key] = (commonjsGlobal[key] || 0) + 1;\n}\n\nfunction objectIs(x, y) {\n if (x === y) {\n return x !== 0 || 1 / x === 1 / y;\n } else {\n return x !== x && y !== y;\n }\n}\n\nfunction createEventEmitter(value) {\n var handlers = [];\n return {\n on: function on(handler) {\n handlers.push(handler);\n },\n off: function off(handler) {\n handlers = handlers.filter(function (h) {\n return h !== handler;\n });\n },\n get: function get() {\n return value;\n },\n set: function set(newValue, changedBits) {\n value = newValue;\n handlers.forEach(function (handler) {\n return handler(value, changedBits);\n });\n }\n };\n}\n\nfunction onlyChild(children) {\n return Array.isArray(children) ? children[0] : children;\n}\n\nfunction createReactContext(defaultValue, calculateChangedBits) {\n var _Provider$childContex, _Consumer$contextType;\n\n var contextProp = '__create-react-context-' + getUniqueId() + '__';\n\n var Provider = /*#__PURE__*/function (_Component) {\n _inheritsLoose(Provider, _Component);\n\n function Provider() {\n var _this;\n\n _this = _Component.apply(this, arguments) || this;\n _this.emitter = createEventEmitter(_this.props.value);\n return _this;\n }\n\n var _proto = Provider.prototype;\n\n _proto.getChildContext = function getChildContext() {\n var _ref;\n\n return _ref = {}, _ref[contextProp] = this.emitter, _ref;\n };\n\n _proto.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {\n if (this.props.value !== nextProps.value) {\n var oldValue = this.props.value;\n var newValue = nextProps.value;\n var changedBits;\n\n if (objectIs(oldValue, newValue)) {\n changedBits = 0;\n } else {\n changedBits = typeof calculateChangedBits === 'function' ? calculateChangedBits(oldValue, newValue) : MAX_SIGNED_31_BIT_INT;\n\n if (process.env.NODE_ENV !== 'production') {\n warning((changedBits & MAX_SIGNED_31_BIT_INT) === changedBits, 'calculateChangedBits: Expected the return value to be a ' + '31-bit integer. Instead received: ' + changedBits);\n }\n\n changedBits |= 0;\n\n if (changedBits !== 0) {\n this.emitter.set(nextProps.value, changedBits);\n }\n }\n }\n };\n\n _proto.render = function render() {\n return this.props.children;\n };\n\n return Provider;\n }(Component);\n\n Provider.childContextTypes = (_Provider$childContex = {}, _Provider$childContex[contextProp] = PropTypes.object.isRequired, _Provider$childContex);\n\n var Consumer = /*#__PURE__*/function (_Component2) {\n _inheritsLoose(Consumer, _Component2);\n\n function Consumer() {\n var _this2;\n\n _this2 = _Component2.apply(this, arguments) || this;\n _this2.state = {\n value: _this2.getValue()\n };\n\n _this2.onUpdate = function (newValue, changedBits) {\n var observedBits = _this2.observedBits | 0;\n\n if ((observedBits & changedBits) !== 0) {\n _this2.setState({\n value: _this2.getValue()\n });\n }\n };\n\n return _this2;\n }\n\n var _proto2 = Consumer.prototype;\n\n _proto2.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {\n var observedBits = nextProps.observedBits;\n this.observedBits = observedBits === undefined || observedBits === null ? MAX_SIGNED_31_BIT_INT : observedBits;\n };\n\n _proto2.componentDidMount = function componentDidMount() {\n if (this.context[contextProp]) {\n this.context[contextProp].on(this.onUpdate);\n }\n\n var observedBits = this.props.observedBits;\n this.observedBits = observedBits === undefined || observedBits === null ? MAX_SIGNED_31_BIT_INT : observedBits;\n };\n\n _proto2.componentWillUnmount = function componentWillUnmount() {\n if (this.context[contextProp]) {\n this.context[contextProp].off(this.onUpdate);\n }\n };\n\n _proto2.getValue = function getValue() {\n if (this.context[contextProp]) {\n return this.context[contextProp].get();\n } else {\n return defaultValue;\n }\n };\n\n _proto2.render = function render() {\n return onlyChild(this.props.children)(this.state.value);\n };\n\n return Consumer;\n }(Component);\n\n Consumer.contextTypes = (_Consumer$contextType = {}, _Consumer$contextType[contextProp] = PropTypes.object, _Consumer$contextType);\n return {\n Provider: Provider,\n Consumer: Consumer\n };\n}\n\nvar index = React.createContext || createReactContext;\n\nexport default index;\n","// TODO: Replace with React.createContext once we can assume React 16+\nimport createContext from \"mini-create-react-context\";\n\nconst createNamedContext = name => {\n const context = createContext();\n context.displayName = name;\n\n return context;\n};\n\nexport default createNamedContext;\n","import createNamedContext from \"./createNameContext\";\n\nconst historyContext = /*#__PURE__*/ createNamedContext(\"Router-History\");\nexport default historyContext;\n","// TODO: Replace with React.createContext once we can assume React 16+\nimport createContext from \"mini-create-react-context\";\n\nconst createNamedContext = name => {\n const context = createContext();\n context.displayName = name;\n\n return context;\n};\n\nconst context = /*#__PURE__*/ createNamedContext(\"Router\");\nexport default context;\n","import React from \"react\";\nimport PropTypes from \"prop-types\";\nimport warning from \"tiny-warning\";\n\nimport HistoryContext from \"./HistoryContext.js\";\nimport RouterContext from \"./RouterContext.js\";\n\n/**\n * The public API for putting history on context.\n */\nclass Router extends React.Component {\n static computeRootMatch(pathname) {\n return { path: \"/\", url: \"/\", params: {}, isExact: pathname === \"/\" };\n }\n\n constructor(props) {\n super(props);\n\n this.state = {\n location: props.history.location\n };\n\n // This is a bit of a hack. We have to start listening for location\n // changes here in the constructor in case there are any <Redirect>s\n // on the initial render. If there are, they will replace/push when\n // they mount and since cDM fires in children before parents, we may\n // get a new location before the <Router> is mounted.\n this._isMounted = false;\n this._pendingLocation = null;\n\n if (!props.staticContext) {\n this.unlisten = props.history.listen(location => {\n if (this._isMounted) {\n this.setState({ location });\n } else {\n this._pendingLocation = location;\n }\n });\n }\n }\n\n componentDidMount() {\n this._isMounted = true;\n\n if (this._pendingLocation) {\n this.setState({ location: this._pendingLocation });\n }\n }\n\n componentWillUnmount() {\n if (this.unlisten) this.unlisten();\n }\n\n render() {\n return (\n <RouterContext.Provider\n value={{\n history: this.props.history,\n location: this.state.location,\n match: Router.computeRootMatch(this.state.location.pathname),\n staticContext: this.props.staticContext\n }}\n >\n <HistoryContext.Provider\n children={this.props.children || null}\n value={this.props.history}\n />\n </RouterContext.Provider>\n );\n }\n}\n\nif (__DEV__) {\n Router.propTypes = {\n children: PropTypes.node,\n history: PropTypes.object.isRequired,\n staticContext: PropTypes.object\n };\n\n Router.prototype.componentDidUpdate = function(prevProps) {\n warning(\n prevProps.history === this.props.history,\n \"You cannot change <Router history>\"\n );\n };\n}\n\nexport default Router;\n","import React from \"react\";\nimport PropTypes from \"prop-types\";\nimport { createMemoryHistory as createHistory } from \"history\";\nimport warning from \"tiny-warning\";\n\nimport Router from \"./Router.js\";\n\n/**\n * The public API for a <Router> that stores location in memory.\n */\nclass MemoryRouter extends React.Component {\n history = createHistory(this.props);\n\n render() {\n return <Router history={this.history} children={this.props.children} />;\n }\n}\n\nif (__DEV__) {\n MemoryRouter.propTypes = {\n initialEntries: PropTypes.array,\n initialIndex: PropTypes.number,\n getUserConfirmation: PropTypes.func,\n keyLength: PropTypes.number,\n children: PropTypes.node\n };\n\n MemoryRouter.prototype.componentDidMount = function() {\n warning(\n !this.props.history,\n \"<MemoryRouter> ignores the history prop. To use a custom history, \" +\n \"use `import { Router }` instead of `import { MemoryRouter as Router }`.\"\n );\n };\n}\n\nexport default MemoryRouter;\n","import React from \"react\";\n\nclass Lifecycle extends React.Component {\n componentDidMount() {\n if (this.props.onMount) this.props.onMount.call(this, this);\n }\n\n componentDidUpdate(prevProps) {\n if (this.props.onUpdate) this.props.onUpdate.call(this, this, prevProps);\n }\n\n componentWillUnmount() {\n if (this.props.onUnmount) this.props.onUnmount.call(this, this);\n }\n\n render() {\n return null;\n }\n}\n\nexport default Lifecycle;\n","import React from \"react\";\nimport PropTypes from \"prop-types\";\nimport invariant from \"tiny-invariant\";\n\nimport Lifecycle from \"./Lifecycle.js\";\nimport RouterContext from \"./RouterContext.js\";\n\n/**\n * The public API for prompting the user before navigating away from a screen.\n */\nfunction Prompt({ message, when = true }) {\n return (\n <RouterContext.Consumer>\n {context => {\n invariant(context, \"You should not use <Prompt> outside a <Router>\");\n\n if (!when || context.staticContext) return null;\n\n const method = context.history.block;\n\n return (\n <Lifecycle\n onMount={self => {\n self.release = method(message);\n }}\n onUpdate={(self, prevProps) => {\n if (prevProps.message !== message) {\n self.release();\n self.release = method(message);\n }\n }}\n onUnmount={self => {\n self.release();\n }}\n message={message}\n />\n );\n }}\n </RouterContext.Consumer>\n );\n}\n\nif (__DEV__) {\n const messageType = PropTypes.oneOfType([PropTypes.func, PropTypes.string]);\n\n Prompt.propTypes = {\n when: PropTypes.bool,\n message: messageType.isRequired\n };\n}\n\nexport default Prompt;\n","module.exports = Array.isArray || function (arr) {\n return Object.prototype.toString.call(arr) == '[object Array]';\n};\n","var isarray = require('isarray')\n\n/**\n * Expose `pathToRegexp`.\n */\nmodule.exports = pathToRegexp\nmodule.exports.parse = parse\nmodule.exports.compile = compile\nmodule.exports.tokensToFunction = tokensToFunction\nmodule.exports.tokensToRegExp = tokensToRegExp\n\n/**\n * The main path matching regexp utility.\n *\n * @type {RegExp}\n */\nvar PATH_REGEXP = new RegExp([\n // Match escaped characters that would otherwise appear in future matches.\n // This allows the user to escape special characters that won't transform.\n '(\\\\\\\\.)',\n // Match Express-style parameters and un-named parameters with a prefix\n // and optional suffixes. Matches appear as:\n //\n // \"/:test(\\\\d+)?\" => [\"/\", \"test\", \"\\d+\", undefined, \"?\", undefined]\n // \"/route(\\\\d+)\" => [undefined, undefined, undefined, \"\\d+\", undefined, undefined]\n // \"/*\" => [\"/\", undefined, undefined, undefined, undefined, \"*\"]\n '([\\\\/.])?(?:(?:\\\\:(\\\\w+)(?:\\\\(((?:\\\\\\\\.|[^\\\\\\\\()])+)\\\\))?|\\\\(((?:\\\\\\\\.|[^\\\\\\\\()])+)\\\\))([+*?])?|(\\\\*))'\n].join('|'), 'g')\n\n/**\n * Parse a string for the raw tokens.\n *\n * @param {string} str\n * @param {Object=} options\n * @return {!Array}\n */\nfunction parse (str, options) {\n var tokens = []\n var key = 0\n var index = 0\n var path = ''\n var defaultDelimiter = options && options.delimiter || '/'\n var res\n\n while ((res = PATH_REGEXP.exec(str)) != null) {\n var m = res[0]\n var escaped = res[1]\n var offset = res.index\n path += str.slice(index, offset)\n index = offset + m.length\n\n // Ignore already escaped sequences.\n if (escaped) {\n path += escaped[1]\n continue\n }\n\n var next = str[index]\n var prefix = res[2]\n var name = res[3]\n var capture = res[4]\n var group = res[5]\n var modifier = res[6]\n var asterisk = res[7]\n\n // Push the current path onto the tokens.\n if (path) {\n tokens.push(path)\n path = ''\n }\n\n var partial = prefix != null && next != null && next !== prefix\n var repeat = modifier === '+' || modifier === '*'\n var optional = modifier === '?' || modifier === '*'\n var delimiter = res[2] || defaultDelimiter\n var pattern = capture || group\n\n tokens.push({\n name: name || key++,\n prefix: prefix || '',\n delimiter: delimiter,\n optional: optional,\n repeat: repeat,\n partial: partial,\n asterisk: !!asterisk,\n pattern: pattern ? escapeGroup(pattern) : (asterisk ? '.*' : '[^' + escapeString(delimiter) + ']+?')\n })\n }\n\n // Match any characters still remaining.\n if (index < str.length) {\n path += str.substr(index)\n }\n\n // If the path exists, push it onto the end.\n if (path) {\n tokens.push(path)\n }\n\n return tokens\n}\n\n/**\n * Compile a string to a template function for the path.\n *\n * @param {string} str\n * @param {Object=} options\n * @return {!function(Object=, Object=)}\n */\nfunction compile (str, options) {\n return tokensToFunction(parse(str, options))\n}\n\n/**\n * Prettier encoding of URI path segments.\n *\n * @param {string}\n * @return {string}\n */\nfunction encodeURIComponentPretty (str) {\n return encodeURI(str).replace(/[\\/?#]/g, function (c) {\n return '
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