`.\n * @returns {Function} A `useDispatch` hook bound to the specified context.\n */\n\nexport function createDispatchHook(context) {\n if (context === void 0) {\n context = ReactReduxContext;\n }\n\n var useStore = context === ReactReduxContext ? useDefaultStore : createStoreHook(context);\n return function useDispatch() {\n var store = useStore();\n return store.dispatch;\n };\n}\n/**\n * A hook to access the redux `dispatch` function.\n *\n * @returns {any|function} redux store's `dispatch` function\n *\n * @example\n *\n * import React, { useCallback } from 'react'\n * import { useDispatch } from 'react-redux'\n *\n * export const CounterComponent = ({ value }) => {\n * const dispatch = useDispatch()\n * const increaseCounter = useCallback(() => dispatch({ type: 'increase-counter' }), [])\n * return (\n * \n * {value}\n * \n *
\n * )\n * }\n */\n\nexport var useDispatch = /*#__PURE__*/createDispatchHook();","import { useReducer, useRef, useMemo, useContext, useDebugValue } from 'react';\nimport { useReduxContext as useDefaultReduxContext } from './useReduxContext';\nimport { createSubscription } from '../utils/Subscription';\nimport { useIsomorphicLayoutEffect } from '../utils/useIsomorphicLayoutEffect';\nimport { ReactReduxContext } from '../components/Context';\n\nvar refEquality = function refEquality(a, b) {\n return a === b;\n};\n\nfunction useSelectorWithStoreAndSubscription(selector, equalityFn, store, contextSub) {\n var _useReducer = useReducer(function (s) {\n return s + 1;\n }, 0),\n forceRender = _useReducer[1];\n\n var subscription = useMemo(function () {\n return createSubscription(store, contextSub);\n }, [store, contextSub]);\n var latestSubscriptionCallbackError = useRef();\n var latestSelector = useRef();\n var latestStoreState = useRef();\n var latestSelectedState = useRef();\n var storeState = store.getState();\n var selectedState;\n\n try {\n if (selector !== latestSelector.current || storeState !== latestStoreState.current || latestSubscriptionCallbackError.current) {\n var newSelectedState = selector(storeState); // ensure latest selected state is reused so that a custom equality function can result in identical references\n\n if (latestSelectedState.current === undefined || !equalityFn(newSelectedState, latestSelectedState.current)) {\n selectedState = newSelectedState;\n } else {\n selectedState = latestSelectedState.current;\n }\n } else {\n selectedState = latestSelectedState.current;\n }\n } catch (err) {\n if (latestSubscriptionCallbackError.current) {\n err.message += \"\\nThe error may be correlated with this previous error:\\n\" + latestSubscriptionCallbackError.current.stack + \"\\n\\n\";\n }\n\n throw err;\n }\n\n useIsomorphicLayoutEffect(function () {\n latestSelector.current = selector;\n latestStoreState.current = storeState;\n latestSelectedState.current = selectedState;\n latestSubscriptionCallbackError.current = undefined;\n });\n useIsomorphicLayoutEffect(function () {\n function checkForUpdates() {\n try {\n var newStoreState = store.getState(); // Avoid calling selector multiple times if the store's state has not changed\n\n if (newStoreState === latestStoreState.current) {\n return;\n }\n\n var _newSelectedState = latestSelector.current(newStoreState);\n\n if (equalityFn(_newSelectedState, latestSelectedState.current)) {\n return;\n }\n\n latestSelectedState.current = _newSelectedState;\n latestStoreState.current = newStoreState;\n } catch (err) {\n // we ignore all errors here, since when the component\n // is re-rendered, the selectors are called again, and\n // will throw again, if neither props nor store state\n // changed\n latestSubscriptionCallbackError.current = err;\n }\n\n forceRender();\n }\n\n subscription.onStateChange = checkForUpdates;\n subscription.trySubscribe();\n checkForUpdates();\n return function () {\n return subscription.tryUnsubscribe();\n };\n }, [store, subscription]);\n return selectedState;\n}\n/**\n * Hook factory, which creates a `useSelector` hook bound to a given context.\n *\n * @param {React.Context} [context=ReactReduxContext] Context passed to your ``.\n * @returns {Function} A `useSelector` hook bound to the specified context.\n */\n\n\nexport function createSelectorHook(context) {\n if (context === void 0) {\n context = ReactReduxContext;\n }\n\n var useReduxContext = context === ReactReduxContext ? useDefaultReduxContext : function () {\n return useContext(context);\n };\n return function useSelector(selector, equalityFn) {\n if (equalityFn === void 0) {\n equalityFn = refEquality;\n }\n\n if (process.env.NODE_ENV !== 'production') {\n if (!selector) {\n throw new Error(\"You must pass a selector to useSelector\");\n }\n\n if (typeof selector !== 'function') {\n throw new Error(\"You must pass a function as a selector to useSelector\");\n }\n\n if (typeof equalityFn !== 'function') {\n throw new Error(\"You must pass a function as an equality function to useSelector\");\n }\n }\n\n var _useReduxContext = useReduxContext(),\n store = _useReduxContext.store,\n contextSub = _useReduxContext.subscription;\n\n var selectedState = useSelectorWithStoreAndSubscription(selector, equalityFn, store, contextSub);\n useDebugValue(selectedState);\n return selectedState;\n };\n}\n/**\n * A hook to access the redux store's state. This hook takes a selector function\n * as an argument. The selector is called with the store state.\n *\n * This hook takes an optional equality comparison function as the second parameter\n * that allows you to customize the way the selected state is compared to determine\n * whether the component needs to be re-rendered.\n *\n * @param {Function} selector the selector function\n * @param {Function=} equalityFn the function that will be used to determine equality\n *\n * @returns {any} the selected state\n *\n * @example\n *\n * import React from 'react'\n * import { useSelector } from 'react-redux'\n *\n * export const CounterComponent = () => {\n * const counter = useSelector(state => state.counter)\n * return {counter}
\n * }\n */\n\nexport var useSelector = /*#__PURE__*/createSelectorHook();","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, from) {\n if (from === undefined) from = '';\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;\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) fromParts.unshift('..');\n\n if (\n mustEndAbs &&\n fromParts[0] !== '' &&\n (!fromParts[0] || !isAbsolute(fromParts[0]))\n )\n 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;\n","export * from './exports';\nimport { unstable_batchedUpdates as batch } from './utils/reactBatchedUpdates';\nimport { setBatch } from './utils/batch'; // Enable batched updates in our subscriptions for use\n// with standard React renderers (ReactDOM, React Native)\n\nsetBatch(batch);\nexport { batch };","function valueOf(obj) {\n return obj.valueOf ? obj.valueOf() : Object.prototype.valueOf.call(obj);\n}\n\nfunction valueEqual(a, b) {\n // Test for strict equality first.\n if (a === b) return true;\n\n // Otherwise, if either of them == null they are not equal.\n if (a == null || b == null) return false;\n\n if (Array.isArray(a)) {\n return (\n Array.isArray(b) &&\n a.length === b.length &&\n a.every(function(item, index) {\n return valueEqual(item, b[index]);\n })\n );\n }\n\n if (typeof a === 'object' || typeof b === 'object') {\n var aValue = valueOf(a);\n var bValue = valueOf(b);\n\n if (aValue !== a || bValue !== b) return valueEqual(aValue, bValue);\n\n return Object.keys(Object.assign({}, a, b)).every(function(key) {\n return valueEqual(a[key], b[key]);\n });\n }\n\n return false;\n}\n\nexport default valueEqual;\n","var isProduction = process.env.NODE_ENV === 'production';\nvar prefix = 'Invariant failed';\nfunction invariant(condition, message) {\n if (condition) {\n return;\n }\n if (isProduction) {\n throw new Error(prefix);\n }\n var provided = typeof message === 'function' ? message() : message;\n var value = provided ? prefix + \": \" + provided : prefix;\n throw new Error(value);\n}\n\nexport { invariant as default };\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 path.toLowerCase().indexOf(prefix.toLowerCase()) === 0 && '/?#'.indexOf(path.charAt(prefix.length)) !== -1;\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 return 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);\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$1 = 'hashchange';\nvar HashPathCoders = {\n hashbang: {\n encodePath: function encodePath(path) {\n return path.charAt(0) === '!' ? path : '!/' + stripLeadingSlash(path);\n },\n decodePath: function decodePath(path) {\n return path.charAt(0) === '!' ? path.substr(1) : path;\n }\n },\n noslash: {\n encodePath: stripLeadingSlash,\n decodePath: addLeadingSlash\n },\n slash: {\n encodePath: addLeadingSlash,\n decodePath: addLeadingSlash\n }\n};\n\nfunction stripHash(url) {\n var hashIndex = url.indexOf('#');\n return hashIndex === -1 ? url : url.slice(0, hashIndex);\n}\n\nfunction getHashPath() {\n // We can't use window.location.hash here because it's not\n // consistent across browsers - Firefox will pre-decode it!\n var href = window.location.href;\n var hashIndex = href.indexOf('#');\n return hashIndex === -1 ? '' : href.substring(hashIndex + 1);\n}\n\nfunction pushHashPath(path) {\n window.location.hash = path;\n}\n\nfunction replaceHashPath(path) {\n window.location.replace(stripHash(window.location.href) + '#' + path);\n}\n\nfunction createHashHistory(props) {\n if (props === void 0) {\n props = {};\n }\n\n !canUseDOM ? process.env.NODE_ENV !== \"production\" ? invariant(false, 'Hash history needs a DOM') : invariant(false) : void 0;\n var globalHistory = window.history;\n var canGoWithoutReload = supportsGoWithoutReloadUsingHash();\n var _props = props,\n _props$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 locationsAreEqual$$1(a, b) {\n return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash;\n }\n\n function handleHashChange() {\n var path = getHashPath();\n var encodedPath = encodePath(path);\n\n if (path !== encodedPath) {\n // Ensure we always have a properly-encoded hash.\n replaceHashPath(encodedPath);\n } else {\n var location = getDOMLocation();\n var prevLocation = history.location;\n if (!forceNextPop && locationsAreEqual$$1(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 var baseTag = document.querySelector('base');\n var href = '';\n\n if (baseTag && baseTag.getAttribute('href')) {\n href = stripHash(window.location.href);\n }\n\n return href + '#' + 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);\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","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","import createNamedContext from \"./createNameContext\";\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 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 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) {\n this.unlisten();\n this._isMounted = false;\n this._pendingLocation = null;\n }\n }\n\n render() {\n return (\n \n \n \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 \"\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 that stores location in memory.\n */\nclass MemoryRouter extends React.Component {\n history = createHistory(this.props);\n\n render() {\n return ;\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 \" 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 pathToRegexp from \"path-to-regexp\";\n\nconst cache = {};\nconst cacheLimit = 10000;\nlet cacheCount = 0;\n\nfunction compilePath(path) {\n if (cache[path]) return cache[path];\n\n const generator = pathToRegexp.compile(path);\n\n if (cacheCount < cacheLimit) {\n cache[path] = generator;\n cacheCount++;\n }\n\n return generator;\n}\n\n/**\n * Public API for generating a URL pathname from a path and parameters.\n */\nfunction generatePath(path = \"/\", params = {}) {\n return path === \"/\" ? path : compilePath(path)(params, { pretty: true });\n}\n\nexport default generatePath;\n","import React from \"react\";\nimport PropTypes from \"prop-types\";\nimport { createLocation, locationsAreEqual } from \"history\";\nimport invariant from \"tiny-invariant\";\n\nimport Lifecycle from \"./Lifecycle.js\";\nimport RouterContext from \"./RouterContext.js\";\nimport generatePath from \"./generatePath.js\";\n\n/**\n * The public API for navigating programmatically with a component.\n */\nfunction Redirect({ computedMatch, to, push = false }) {\n return (\n \n {context => {\n invariant(context, \"You should not use outside a \");\n\n const { history, staticContext } = context;\n\n const method = push ? history.push : history.replace;\n const location = createLocation(\n computedMatch\n ? typeof to === \"string\"\n ? generatePath(to, computedMatch.params)\n : {\n ...to,\n pathname: generatePath(to.pathname, computedMatch.params)\n }\n : to\n );\n\n // When rendering in a static context,\n // set the new location immediately.\n if (staticContext) {\n method(location);\n return null;\n }\n\n return (\n {\n method(location);\n }}\n onUpdate={(self, prevProps) => {\n const prevLocation = createLocation(prevProps.to);\n if (\n !locationsAreEqual(prevLocation, {\n ...location,\n key: prevLocation.key\n })\n ) {\n method(location);\n }\n }}\n to={to}\n />\n );\n }}\n \n );\n}\n\nif (__DEV__) {\n Redirect.propTypes = {\n push: PropTypes.bool,\n from: PropTypes.string,\n to: PropTypes.oneOfType([PropTypes.string, PropTypes.object]).isRequired\n };\n}\n\nexport default Redirect;\n","import pathToRegexp from \"path-to-regexp\";\n\nconst cache = {};\nconst cacheLimit = 10000;\nlet cacheCount = 0;\n\nfunction compilePath(path, options) {\n const cacheKey = `${options.end}${options.strict}${options.sensitive}`;\n const pathCache = cache[cacheKey] || (cache[cacheKey] = {});\n\n if (pathCache[path]) return pathCache[path];\n\n const keys = [];\n const regexp = pathToRegexp(path, keys, options);\n const result = { regexp, keys };\n\n if (cacheCount < cacheLimit) {\n pathCache[path] = result;\n cacheCount++;\n }\n\n return result;\n}\n\n/**\n * Public API for matching a URL pathname to a path.\n */\nfunction matchPath(pathname, options = {}) {\n if (typeof options === \"string\" || Array.isArray(options)) {\n options = { path: options };\n }\n\n const { path, exact = false, strict = false, sensitive = false } = options;\n\n const paths = [].concat(path);\n\n return paths.reduce((matched, path) => {\n if (!path && path !== \"\") return null;\n if (matched) return matched;\n\n const { regexp, keys } = compilePath(path, {\n end: exact,\n strict,\n sensitive\n });\n const match = regexp.exec(pathname);\n\n if (!match) return null;\n\n const [url, ...values] = match;\n const isExact = pathname === url;\n\n if (exact && !isExact) return null;\n\n return {\n path, // the path used to match\n url: path === \"/\" && url === \"\" ? \"/\" : url, // the matched portion of the URL\n isExact, // whether or not we matched exactly\n params: keys.reduce((memo, key, index) => {\n memo[key.name] = values[index];\n return memo;\n }, {})\n };\n }, null);\n}\n\nexport default matchPath;\n","import React from \"react\";\nimport { isValidElementType } from \"react-is\";\nimport PropTypes from \"prop-types\";\nimport invariant from \"tiny-invariant\";\nimport warning from \"tiny-warning\";\n\nimport RouterContext from \"./RouterContext.js\";\nimport matchPath from \"./matchPath.js\";\n\nfunction isEmptyChildren(children) {\n return React.Children.count(children) === 0;\n}\n\nfunction evalChildrenDev(children, props, path) {\n const value = children(props);\n\n warning(\n value !== undefined,\n \"You returned `undefined` from the `children` function of \" +\n `, but you ` +\n \"should have returned a React element or `null`\"\n );\n\n return value || null;\n}\n\n/**\n * The public API for matching a single path and rendering.\n */\nclass Route extends React.Component {\n render() {\n return (\n \n {context => {\n invariant(context, \"You should not use outside a \");\n\n const location = this.props.location || context.location;\n const match = this.props.computedMatch\n ? this.props.computedMatch // already computed the match for us\n : this.props.path\n ? matchPath(location.pathname, this.props)\n : context.match;\n\n const props = { ...context, location, match };\n\n let { children, component, render } = this.props;\n\n // Preact uses an empty array as children by\n // default, so use null if that's the case.\n if (Array.isArray(children) && isEmptyChildren(children)) {\n children = null;\n }\n\n return (\n \n {props.match\n ? children\n ? typeof children === \"function\"\n ? __DEV__\n ? evalChildrenDev(children, props, this.props.path)\n : children(props)\n : children\n : component\n ? React.createElement(component, props)\n : render\n ? render(props)\n : null\n : typeof children === \"function\"\n ? __DEV__\n ? evalChildrenDev(children, props, this.props.path)\n : children(props)\n : null}\n \n );\n }}\n \n );\n }\n}\n\nif (__DEV__) {\n Route.propTypes = {\n children: PropTypes.oneOfType([PropTypes.func, PropTypes.node]),\n component: (props, propName) => {\n if (props[propName] && !isValidElementType(props[propName])) {\n return new Error(\n `Invalid prop 'component' supplied to 'Route': the prop is not a valid React component`\n );\n }\n },\n exact: PropTypes.bool,\n location: PropTypes.object,\n path: PropTypes.oneOfType([\n PropTypes.string,\n PropTypes.arrayOf(PropTypes.string)\n ]),\n render: PropTypes.func,\n sensitive: PropTypes.bool,\n strict: PropTypes.bool\n };\n\n Route.prototype.componentDidMount = function() {\n warning(\n !(\n this.props.children &&\n !isEmptyChildren(this.props.children) &&\n this.props.component\n ),\n \"You should not use and in the same route; will be ignored\"\n );\n\n warning(\n !(\n this.props.children &&\n !isEmptyChildren(this.props.children) &&\n this.props.render\n ),\n \"You should not use and in the same route; will be ignored\"\n );\n\n warning(\n !(this.props.component && this.props.render),\n \"You should not use and in the same route; will be ignored\"\n );\n };\n\n Route.prototype.componentDidUpdate = function(prevProps) {\n warning(\n !(this.props.location && !prevProps.location),\n ' elements should not change from uncontrolled to controlled (or vice versa). You initially used no \"location\" prop and then provided one on a subsequent render.'\n );\n\n warning(\n !(!this.props.location && prevProps.location),\n ' elements should not change from controlled to uncontrolled (or vice versa). You provided a \"location\" prop initially but omitted it on a subsequent render.'\n );\n };\n}\n\nexport default Route;\n","import React from \"react\";\nimport PropTypes from \"prop-types\";\nimport { createLocation, createPath } from \"history\";\nimport invariant from \"tiny-invariant\";\nimport warning from \"tiny-warning\";\n\nimport Router from \"./Router.js\";\n\nfunction addLeadingSlash(path) {\n return path.charAt(0) === \"/\" ? path : \"/\" + path;\n}\n\nfunction addBasename(basename, location) {\n if (!basename) return location;\n\n return {\n ...location,\n pathname: addLeadingSlash(basename) + location.pathname\n };\n}\n\nfunction stripBasename(basename, location) {\n if (!basename) return location;\n\n const base = addLeadingSlash(basename);\n\n if (location.pathname.indexOf(base) !== 0) return location;\n\n return {\n ...location,\n pathname: location.pathname.substr(base.length)\n };\n}\n\nfunction createURL(location) {\n return typeof location === \"string\" ? location : createPath(location);\n}\n\nfunction staticHandler(methodName) {\n return () => {\n invariant(false, \"You cannot %s with \", methodName);\n };\n}\n\nfunction noop() {}\n\n/**\n * The public top-level API for a \"static\" , so-called because it\n * can't actually change the current location. Instead, it just records\n * location changes in a context object. Useful mainly in testing and\n * server-rendering scenarios.\n */\nclass StaticRouter extends React.Component {\n navigateTo(location, action) {\n const { basename = \"\", context = {} } = this.props;\n context.action = action;\n context.location = addBasename(basename, createLocation(location));\n context.url = createURL(context.location);\n }\n\n handlePush = location => this.navigateTo(location, \"PUSH\");\n handleReplace = location => this.navigateTo(location, \"REPLACE\");\n handleListen = () => noop;\n handleBlock = () => noop;\n\n render() {\n const { basename = \"\", context = {}, location = \"/\", ...rest } = this.props;\n\n const history = {\n createHref: path => addLeadingSlash(basename + createURL(path)),\n action: \"POP\",\n location: stripBasename(basename, createLocation(location)),\n push: this.handlePush,\n replace: this.handleReplace,\n go: staticHandler(\"go\"),\n goBack: staticHandler(\"goBack\"),\n goForward: staticHandler(\"goForward\"),\n listen: this.handleListen,\n block: this.handleBlock\n };\n\n return ;\n }\n}\n\nif (__DEV__) {\n StaticRouter.propTypes = {\n basename: PropTypes.string,\n context: PropTypes.object,\n location: PropTypes.oneOfType([PropTypes.string, PropTypes.object])\n };\n\n StaticRouter.prototype.componentDidMount = function() {\n warning(\n !this.props.history,\n \" ignores the history prop. To use a custom history, \" +\n \"use `import { Router }` instead of `import { StaticRouter as Router }`.\"\n );\n };\n}\n\nexport default StaticRouter;\n","import React from \"react\";\nimport PropTypes from \"prop-types\";\nimport invariant from \"tiny-invariant\";\nimport warning from \"tiny-warning\";\n\nimport RouterContext from \"./RouterContext.js\";\nimport matchPath from \"./matchPath.js\";\n\n/**\n * The public API for rendering the first that matches.\n */\nclass Switch extends React.Component {\n render() {\n return (\n \n {context => {\n invariant(context, \"You should not use