amis-rpc-design/node_modules/history/umd/history.js

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2023-10-07 19:42:30 +08:00
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.History = {})));
}(this, (function (exports) { 'use strict';
function _extends() {
_extends = Object.assign || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
function isAbsolute(pathname) {
return pathname.charAt(0) === '/';
}
// About 1.5x faster than the two-arg version of Array#splice()
function spliceOne(list, index) {
for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) {
list[i] = list[k];
}
list.pop();
}
// This implementation is based heavily on node's url.parse
function resolvePathname(to, from) {
if (from === undefined) from = '';
var toParts = (to && to.split('/')) || [];
var fromParts = (from && from.split('/')) || [];
var isToAbs = to && isAbsolute(to);
var isFromAbs = from && isAbsolute(from);
var mustEndAbs = isToAbs || isFromAbs;
if (to && isAbsolute(to)) {
// to is absolute
fromParts = toParts;
} else if (toParts.length) {
// to is relative, drop the filename
fromParts.pop();
fromParts = fromParts.concat(toParts);
}
if (!fromParts.length) return '/';
var hasTrailingSlash;
if (fromParts.length) {
var last = fromParts[fromParts.length - 1];
hasTrailingSlash = last === '.' || last === '..' || last === '';
} else {
hasTrailingSlash = false;
}
var up = 0;
for (var i = fromParts.length; i >= 0; i--) {
var part = fromParts[i];
if (part === '.') {
spliceOne(fromParts, i);
} else if (part === '..') {
spliceOne(fromParts, i);
up++;
} else if (up) {
spliceOne(fromParts, i);
up--;
}
}
if (!mustEndAbs) for (; up--; up) fromParts.unshift('..');
if (
mustEndAbs &&
fromParts[0] !== '' &&
(!fromParts[0] || !isAbsolute(fromParts[0]))
)
fromParts.unshift('');
var result = fromParts.join('/');
if (hasTrailingSlash && result.substr(-1) !== '/') result += '/';
return result;
}
function valueOf(obj) {
return obj.valueOf ? obj.valueOf() : Object.prototype.valueOf.call(obj);
}
function valueEqual(a, b) {
// Test for strict equality first.
if (a === b) return true;
// Otherwise, if either of them == null they are not equal.
if (a == null || b == null) return false;
if (Array.isArray(a)) {
return (
Array.isArray(b) &&
a.length === b.length &&
a.every(function(item, index) {
return valueEqual(item, b[index]);
})
);
}
if (typeof a === 'object' || typeof b === 'object') {
var aValue = valueOf(a);
var bValue = valueOf(b);
if (aValue !== a || bValue !== b) return valueEqual(aValue, bValue);
return Object.keys(Object.assign({}, a, b)).every(function(key) {
return valueEqual(a[key], b[key]);
});
}
return false;
}
function addLeadingSlash(path) {
return path.charAt(0) === '/' ? path : '/' + path;
}
function stripLeadingSlash(path) {
return path.charAt(0) === '/' ? path.substr(1) : path;
}
function hasBasename(path, prefix) {
return path.toLowerCase().indexOf(prefix.toLowerCase()) === 0 && '/?#'.indexOf(path.charAt(prefix.length)) !== -1;
}
function stripBasename(path, prefix) {
return hasBasename(path, prefix) ? path.substr(prefix.length) : path;
}
function stripTrailingSlash(path) {
return path.charAt(path.length - 1) === '/' ? path.slice(0, -1) : path;
}
function parsePath(path) {
var pathname = path || '/';
var search = '';
var hash = '';
var hashIndex = pathname.indexOf('#');
if (hashIndex !== -1) {
hash = pathname.substr(hashIndex);
pathname = pathname.substr(0, hashIndex);
}
var searchIndex = pathname.indexOf('?');
if (searchIndex !== -1) {
search = pathname.substr(searchIndex);
pathname = pathname.substr(0, searchIndex);
}
return {
pathname: pathname,
search: search === '?' ? '' : search,
hash: hash === '#' ? '' : hash
};
}
function createPath(location) {
var pathname = location.pathname,
search = location.search,
hash = location.hash;
var path = pathname || '/';
if (search && search !== '?') path += search.charAt(0) === '?' ? search : "?" + search;
if (hash && hash !== '#') path += hash.charAt(0) === '#' ? hash : "#" + hash;
return path;
}
function createLocation(path, state, key, currentLocation) {
var location;
if (typeof path === 'string') {
// Two-arg form: push(path, state)
location = parsePath(path);
location.state = state;
} else {
// One-arg form: push(location)
location = _extends({}, path);
if (location.pathname === undefined) location.pathname = '';
if (location.search) {
if (location.search.charAt(0) !== '?') location.search = '?' + location.search;
} else {
location.search = '';
}
if (location.hash) {
if (location.hash.charAt(0) !== '#') location.hash = '#' + location.hash;
} else {
location.hash = '';
}
if (state !== undefined && location.state === undefined) location.state = state;
}
try {
location.pathname = decodeURI(location.pathname);
} catch (e) {
if (e instanceof URIError) {
throw new URIError('Pathname "' + location.pathname + '" could not be decoded. ' + 'This is likely caused by an invalid percent-encoding.');
} else {
throw e;
}
}
if (key) location.key = key;
if (currentLocation) {
// Resolve incomplete/relative pathname relative to current location.
if (!location.pathname) {
location.pathname = currentLocation.pathname;
} else if (location.pathname.charAt(0) !== '/') {
location.pathname = resolvePathname(location.pathname, currentLocation.pathname);
}
} else {
// When there is no prior location and pathname is empty, set it to /
if (!location.pathname) {
location.pathname = '/';
}
}
return location;
}
function locationsAreEqual(a, b) {
return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash && a.key === b.key && valueEqual(a.state, b.state);
}
function warning(condition, message) {
{
if (condition) {
return;
}
var text = "Warning: " + message;
if (typeof console !== 'undefined') {
console.warn(text);
}
try {
throw Error(text);
} catch (x) {}
}
}
function createTransitionManager() {
var prompt = null;
function setPrompt(nextPrompt) {
warning(prompt == null, 'A history supports only one prompt at a time');
prompt = nextPrompt;
return function () {
if (prompt === nextPrompt) prompt = null;
};
}
function confirmTransitionTo(location, action, getUserConfirmation, callback) {
// TODO: If another transition starts while we're still confirming
// the previous one, we may end up in a weird state. Figure out the
// best way to handle this.
if (prompt != null) {
var result = typeof prompt === 'function' ? prompt(location, action) : prompt;
if (typeof result === 'string') {
if (typeof getUserConfirmation === 'function') {
getUserConfirmation(result, callback);
} else {
warning(false, 'A history needs a getUserConfirmation function in order to use a prompt message');
callback(true);
}
} else {
// Return false from a transition hook to cancel the transition.
callback(result !== false);
}
} else {
callback(true);
}
}
var listeners = [];
function appendListener(fn) {
var isActive = true;
function listener() {
if (isActive) fn.apply(void 0, arguments);
}
listeners.push(listener);
return function () {
isActive = false;
listeners = listeners.filter(function (item) {
return item !== listener;
});
};
}
function notifyListeners() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
listeners.forEach(function (listener) {
return listener.apply(void 0, args);
});
}
return {
setPrompt: setPrompt,
confirmTransitionTo: confirmTransitionTo,
appendListener: appendListener,
notifyListeners: notifyListeners
};
}
var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);
function getConfirmation(message, callback) {
callback(window.confirm(message)); // eslint-disable-line no-alert
}
/**
* Returns true if the HTML5 history API is supported. Taken from Modernizr.
*
* https://github.com/Modernizr/Modernizr/blob/master/LICENSE
* https://github.com/Modernizr/Modernizr/blob/master/feature-detects/history.js
* changed to avoid false negatives for Windows Phones: https://github.com/reactjs/react-router/issues/586
*/
function supportsHistory() {
var ua = window.navigator.userAgent;
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;
return window.history && 'pushState' in window.history;
}
/**
* Returns true if browser fires popstate on hash change.
* IE10 and IE11 do not.
*/
function supportsPopStateOnHashChange() {
return window.navigator.userAgent.indexOf('Trident') === -1;
}
/**
* Returns false if using go(n) with hash history causes a full page reload.
*/
function supportsGoWithoutReloadUsingHash() {
return window.navigator.userAgent.indexOf('Firefox') === -1;
}
/**
* Returns true if a given popstate event is an extraneous WebKit event.
* Accounts for the fact that Chrome on iOS fires real popstate events
* containing undefined state when pressing the back button.
*/
function isExtraneousPopstateEvent(event) {
return event.state === undefined && navigator.userAgent.indexOf('CriOS') === -1;
}
var prefix = 'Invariant failed';
function invariant(condition, message) {
if (condition) {
return;
}
{
throw new Error(prefix + ": " + (message || ''));
}
}
var PopStateEvent = 'popstate';
var HashChangeEvent = 'hashchange';
function getHistoryState() {
try {
return window.history.state || {};
} catch (e) {
// IE 11 sometimes throws when accessing window.history.state
// See https://github.com/ReactTraining/history/pull/289
return {};
}
}
/**
* Creates a history object that uses the HTML5 history API including
* pushState, replaceState, and the popstate event.
*/
function createBrowserHistory(props) {
if (props === void 0) {
props = {};
}
!canUseDOM ? invariant(false, 'Browser history needs a DOM') : void 0;
var globalHistory = window.history;
var canUseHistory = supportsHistory();
var needsHashChangeListener = !supportsPopStateOnHashChange();
var _props = props,
_props$forceRefresh = _props.forceRefresh,
forceRefresh = _props$forceRefresh === void 0 ? false : _props$forceRefresh,
_props$getUserConfirm = _props.getUserConfirmation,
getUserConfirmation = _props$getUserConfirm === void 0 ? getConfirmation : _props$getUserConfirm,
_props$keyLength = _props.keyLength,
keyLength = _props$keyLength === void 0 ? 6 : _props$keyLength;
var basename = props.basename ? stripTrailingSlash(addLeadingSlash(props.basename)) : '';
function getDOMLocation(historyState) {
var _ref = historyState || {},
key = _ref.key,
state = _ref.state;
var _window$location = window.location,
pathname = _window$location.pathname,
search = _window$location.search,
hash = _window$location.hash;
var path = pathname + search + hash;
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 + '".');
if (basename) path = stripBasename(path, basename);
return createLocation(path, state, key);
}
function createKey() {
return Math.random().toString(36).substr(2, keyLength);
}
var transitionManager = createTransitionManager();
function setState(nextState) {
_extends(history, nextState);
history.length = globalHistory.length;
transitionManager.notifyListeners(history.location, history.action);
}
function handlePopState(event) {
// Ignore extraneous popstate events in WebKit.
if (isExtraneousPopstateEvent(event)) return;
handlePop(getDOMLocation(event.state));
}
function handleHashChange() {
handlePop(getDOMLocation(getHistoryState()));
}
var forceNextPop = false;
function handlePop(location) {
if (forceNextPop) {
forceNextPop = false;
setState();
} else {
var action = 'POP';
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (ok) {
setState({
action: action,
location: location
});
} else {
revertPop(location);
}
});
}
}
function revertPop(fromLocation) {
var toLocation = history.location; // TODO: We could probably make this more reliable by
// keeping a list of keys we've seen in sessionStorage.
// Instead, we just default to 0 for keys we don't know.
var toIndex = allKeys.indexOf(toLocation.key);
if (toIndex === -1) toIndex = 0;
var fromIndex = allKeys.indexOf(fromLocation.key);
if (fromIndex === -1) fromIndex = 0;
var delta = toIndex - fromIndex;
if (delta) {
forceNextPop = true;
go(delta);
}
}
var initialLocation = getDOMLocation(getHistoryState());
var allKeys = [initialLocation.key]; // Public interface
function createHref(location) {
return basename + createPath(location);
}
function push(path, state) {
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');
var action = 'PUSH';
var location = createLocation(path, state, createKey(), history.location);
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (!ok) return;
var href = createHref(location);
var key = location.key,
state = location.state;
if (canUseHistory) {
globalHistory.pushState({
key: key,
state: state
}, null, href);
if (forceRefresh) {
window.location.href = href;
} else {
var prevIndex = allKeys.indexOf(history.location.key);
var nextKeys = allKeys.slice(0, prevIndex + 1);
nextKeys.push(location.key);
allKeys = nextKeys;
setState({
action: action,
location: location
});
}
} else {
warning(state === undefined, 'Browser history cannot push state in browsers that do not support HTML5 history');
window.location.href = href;
}
});
}
function replace(path, state) {
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');
var action = 'REPLACE';
var location = createLocation(path, state, createKey(), history.location);
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (!ok) return;
var href = createHref(location);
var key = location.key,
state = location.state;
if (canUseHistory) {
globalHistory.replaceState({
key: key,
state: state
}, null, href);
if (forceRefresh) {
window.location.replace(href);
} else {
var prevIndex = allKeys.indexOf(history.location.key);
if (prevIndex !== -1) allKeys[prevIndex] = location.key;
setState({
action: action,
location: location
});
}
} else {
warning(state === undefined, 'Browser history cannot replace state in browsers that do not support HTML5 history');
window.location.replace(href);
}
});
}
function go(n) {
globalHistory.go(n);
}
function goBack() {
go(-1);
}
function goForward() {
go(1);
}
var listenerCount = 0;
function checkDOMListeners(delta) {
listenerCount += delta;
if (listenerCount === 1 && delta === 1) {
window.addEventListener(PopStateEvent, handlePopState);
if (needsHashChangeListener) window.addEventListener(HashChangeEvent, handleHashChange);
} else if (listenerCount === 0) {
window.removeEventListener(PopStateEvent, handlePopState);
if (needsHashChangeListener) window.removeEventListener(HashChangeEvent, handleHashChange);
}
}
var isBlocked = false;
function block(prompt) {
if (prompt === void 0) {
prompt = false;
}
var unblock = transitionManager.setPrompt(prompt);
if (!isBlocked) {
checkDOMListeners(1);
isBlocked = true;
}
return function () {
if (isBlocked) {
isBlocked = false;
checkDOMListeners(-1);
}
return unblock();
};
}
function listen(listener) {
var unlisten = transitionManager.appendListener(listener);
checkDOMListeners(1);
return function () {
checkDOMListeners(-1);
unlisten();
};
}
var history = {
length: globalHistory.length,
action: 'POP',
location: initialLocation,
createHref: createHref,
push: push,
replace: replace,
go: go,
goBack: goBack,
goForward: goForward,
block: block,
listen: listen
};
return history;
}
var HashChangeEvent$1 = 'hashchange';
var HashPathCoders = {
hashbang: {
encodePath: function encodePath(path) {
return path.charAt(0) === '!' ? path : '!/' + stripLeadingSlash(path);
},
decodePath: function decodePath(path) {
return path.charAt(0) === '!' ? path.substr(1) : path;
}
},
noslash: {
encodePath: stripLeadingSlash,
decodePath: addLeadingSlash
},
slash: {
encodePath: addLeadingSlash,
decodePath: addLeadingSlash
}
};
function stripHash(url) {
var hashIndex = url.indexOf('#');
return hashIndex === -1 ? url : url.slice(0, hashIndex);
}
function getHashPath() {
// We can't use window.location.hash here because it's not
// consistent across browsers - Firefox will pre-decode it!
var href = window.location.href;
var hashIndex = href.indexOf('#');
return hashIndex === -1 ? '' : href.substring(hashIndex + 1);
}
function pushHashPath(path) {
window.location.hash = path;
}
function replaceHashPath(path) {
window.location.replace(stripHash(window.location.href) + '#' + path);
}
function createHashHistory(props) {
if (props === void 0) {
props = {};
}
!canUseDOM ? invariant(false, 'Hash history needs a DOM') : void 0;
var globalHistory = window.history;
var canGoWithoutReload = supportsGoWithoutReloadUsingHash();
var _props = props,
_props$getUserConfirm = _props.getUserConfirmation,
getUserConfirmation = _props$getUserConfirm === void 0 ? getConfirmation : _props$getUserConfirm,
_props$hashType = _props.hashType,
hashType = _props$hashType === void 0 ? 'slash' : _props$hashType;
var basename = props.basename ? stripTrailingSlash(addLeadingSlash(props.basename)) : '';
var _HashPathCoders$hashT = HashPathCoders[hashType],
encodePath = _HashPathCoders$hashT.encodePath,
decodePath = _HashPathCoders$hashT.decodePath;
function getDOMLocation() {
var path = decodePath(getHashPath());
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 + '".');
if (basename) path = stripBasename(path, basename);
return createLocation(path);
}
var transitionManager = createTransitionManager();
function setState(nextState) {
_extends(history, nextState);
history.length = globalHistory.length;
transitionManager.notifyListeners(history.location, history.action);
}
var forceNextPop = false;
var ignorePath = null;
function locationsAreEqual$$1(a, b) {
return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash;
}
function handleHashChange() {
var path = getHashPath();
var encodedPath = encodePath(path);
if (path !== encodedPath) {
// Ensure we always have a properly-encoded hash.
replaceHashPath(encodedPath);
} else {
var location = getDOMLocation();
var prevLocation = history.location;
if (!forceNextPop && locationsAreEqual$$1(prevLocation, location)) return; // A hashchange doesn't always == location change.
if (ignorePath === createPath(location)) return; // Ignore this change; we already setState in push/replace.
ignorePath = null;
handlePop(location);
}
}
function handlePop(location) {
if (forceNextPop) {
forceNextPop = false;
setState();
} else {
var action = 'POP';
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (ok) {
setState({
action: action,
location: location
});
} else {
revertPop(location);
}
});
}
}
function revertPop(fromLocation) {
var toLocation = history.location; // TODO: We could probably make this more reliable by
// keeping a list of paths we've seen in sessionStorage.
// Instead, we just default to 0 for paths we don't know.
var toIndex = allPaths.lastIndexOf(createPath(toLocation));
if (toIndex === -1) toIndex = 0;
var fromIndex = allPaths.lastIndexOf(createPath(fromLocation));
if (fromIndex === -1) fromIndex = 0;
var delta = toIndex - fromIndex;
if (delta) {
forceNextPop = true;
go(delta);
}
} // Ensure the hash is encoded properly before doing anything else.
var path = getHashPath();
var encodedPath = encodePath(path);
if (path !== encodedPath) replaceHashPath(encodedPath);
var initialLocation = getDOMLocation();
var allPaths = [createPath(initialLocation)]; // Public interface
function createHref(location) {
var baseTag = document.querySelector('base');
var href = '';
if (baseTag && baseTag.getAttribute('href')) {
href = stripHash(window.location.href);
}
return href + '#' + encodePath(basename + createPath(location));
}
function push(path, state) {
warning(state === undefined, 'Hash history cannot push state; it is ignored');
var action = 'PUSH';
var location = createLocation(path, undefined, undefined, history.location);
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (!ok) return;
var path = createPath(location);
var encodedPath = encodePath(basename + path);
var hashChanged = getHashPath() !== encodedPath;
if (hashChanged) {
// We cannot tell if a hashchange was caused by a PUSH, so we'd
// rather setState here and ignore the hashchange. The caveat here
// is that other hash histories in the page will consider it a POP.
ignorePath = path;
pushHashPath(encodedPath);
var prevIndex = allPaths.lastIndexOf(createPath(history.location));
var nextPaths = allPaths.slice(0, prevIndex + 1);
nextPaths.push(path);
allPaths = nextPaths;
setState({
action: action,
location: location
});
} else {
warning(false, 'Hash history cannot PUSH the same path; a new entry will not be added to the history stack');
setState();
}
});
}
function replace(path, state) {
warning(state === undefined, 'Hash history cannot replace state; it is ignored');
var action = 'REPLACE';
var location = createLocation(path, undefined, undefined, history.location);
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (!ok) return;
var path = createPath(location);
var encodedPath = encodePath(basename + path);
var hashChanged = getHashPath() !== encodedPath;
if (hashChanged) {
// We cannot tell if a hashchange was caused by a REPLACE, so we'd
// rather setState here and ignore the hashchange. The caveat here
// is that other hash histories in the page will consider it a POP.
ignorePath = path;
replaceHashPath(encodedPath);
}
var prevIndex = allPaths.indexOf(createPath(history.location));
if (prevIndex !== -1) allPaths[prevIndex] = path;
setState({
action: action,
location: location
});
});
}
function go(n) {
warning(canGoWithoutReload, 'Hash history go(n) causes a full page reload in this browser');
globalHistory.go(n);
}
function goBack() {
go(-1);
}
function goForward() {
go(1);
}
var listenerCount = 0;
function checkDOMListeners(delta) {
listenerCount += delta;
if (listenerCount === 1 && delta === 1) {
window.addEventListener(HashChangeEvent$1, handleHashChange);
} else if (listenerCount === 0) {
window.removeEventListener(HashChangeEvent$1, handleHashChange);
}
}
var isBlocked = false;
function block(prompt) {
if (prompt === void 0) {
prompt = false;
}
var unblock = transitionManager.setPrompt(prompt);
if (!isBlocked) {
checkDOMListeners(1);
isBlocked = true;
}
return function () {
if (isBlocked) {
isBlocked = false;
checkDOMListeners(-1);
}
return unblock();
};
}
function listen(listener) {
var unlisten = transitionManager.appendListener(listener);
checkDOMListeners(1);
return function () {
checkDOMListeners(-1);
unlisten();
};
}
var history = {
length: globalHistory.length,
action: 'POP',
location: initialLocation,
createHref: createHref,
push: push,
replace: replace,
go: go,
goBack: goBack,
goForward: goForward,
block: block,
listen: listen
};
return history;
}
function clamp(n, lowerBound, upperBound) {
return Math.min(Math.max(n, lowerBound), upperBound);
}
/**
* Creates a history object that stores locations in memory.
*/
function createMemoryHistory(props) {
if (props === void 0) {
props = {};
}
var _props = props,
getUserConfirmation = _props.getUserConfirmation,
_props$initialEntries = _props.initialEntries,
initialEntries = _props$initialEntries === void 0 ? ['/'] : _props$initialEntries,
_props$initialIndex = _props.initialIndex,
initialIndex = _props$initialIndex === void 0 ? 0 : _props$initialIndex,
_props$keyLength = _props.keyLength,
keyLength = _props$keyLength === void 0 ? 6 : _props$keyLength;
var transitionManager = createTransitionManager();
function setState(nextState) {
_extends(history, nextState);
history.length = history.entries.length;
transitionManager.notifyListeners(history.location, history.action);
}
function createKey() {
return Math.random().toString(36).substr(2, keyLength);
}
var index = clamp(initialIndex, 0, initialEntries.length - 1);
var entries = initialEntries.map(function (entry) {
return typeof entry === 'string' ? createLocation(entry, undefined, createKey()) : createLocation(entry, undefined, entry.key || createKey());
}); // Public interface
var createHref = createPath;
function push(path, state) {
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');
var action = 'PUSH';
var location = createLocation(path, state, createKey(), history.location);
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (!ok) return;
var prevIndex = history.index;
var nextIndex = prevIndex + 1;
var nextEntries = history.entries.slice(0);
if (nextEntries.length > nextIndex) {
nextEntries.splice(nextIndex, nextEntries.length - nextIndex, location);
} else {
nextEntries.push(location);
}
setState({
action: action,
location: location,
index: nextIndex,
entries: nextEntries
});
});
}
function replace(path, state) {
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');
var action = 'REPLACE';
var location = createLocation(path, state, createKey(), history.location);
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (!ok) return;
history.entries[history.index] = location;
setState({
action: action,
location: location
});
});
}
function go(n) {
var nextIndex = clamp(history.index + n, 0, history.entries.length - 1);
var action = 'POP';
var location = history.entries[nextIndex];
transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
if (ok) {
setState({
action: action,
location: location,
index: nextIndex
});
} else {
// Mimic the behavior of DOM histories by
// causing a render after a cancelled POP.
setState();
}
});
}
function goBack() {
go(-1);
}
function goForward() {
go(1);
}
function canGo(n) {
var nextIndex = history.index + n;
return nextIndex >= 0 && nextIndex < history.entries.length;
}
function block(prompt) {
if (prompt === void 0) {
prompt = false;
}
return transitionManager.setPrompt(prompt);
}
function listen(listener) {
return transitionManager.appendListener(listener);
}
var history = {
length: entries.length,
action: 'POP',
location: entries[index],
index: index,
entries: entries,
createHref: createHref,
push: push,
replace: replace,
go: go,
goBack: goBack,
goForward: goForward,
canGo: canGo,
block: block,
listen: listen
};
return history;
}
exports.createBrowserHistory = createBrowserHistory;
exports.createHashHistory = createHashHistory;
exports.createMemoryHistory = createMemoryHistory;
exports.createLocation = createLocation;
exports.locationsAreEqual = locationsAreEqual;
exports.parsePath = parsePath;
exports.createPath = createPath;
Object.defineProperty(exports, '__esModule', { value: true });
})));