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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);
}
/**
* Actions represent the type of change to a location value.
*
* @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#action
*/
var Action;
(function (Action) {
/**
* A POP indicates a change to an arbitrary index in the history stack, such
* as a back or forward navigation. It does not describe the direction of the
* navigation, only that the current index changed.
*
* Note: This is the default action for newly created history objects.
*/
Action["Pop"] = "POP";
/**
* A PUSH indicates a new entry being added to the history stack, such as when
* a link is clicked and a new page loads. When this happens, all subsequent
* entries in the stack are lost.
*/
Action["Push"] = "PUSH";
/**
* A REPLACE indicates the entry at the current index in the history stack
* being replaced by a new one.
*/
Action["Replace"] = "REPLACE";
})(Action || (Action = {}));
var readOnly = process.env.NODE_ENV !== "production" ? function (obj) {
return Object.freeze(obj);
} : function (obj) {
return obj;
};
function warning(cond, message) {
if (!cond) {
// eslint-disable-next-line no-console
if (typeof console !== 'undefined') console.warn(message);
try {
// Welcome to debugging history!
//
// This error is thrown as a convenience so you can more easily
// find the source for a warning that appears in the console by
// enabling "pause on exceptions" in your JavaScript debugger.
throw new Error(message); // eslint-disable-next-line no-empty
} catch (e) {}
}
}
var BeforeUnloadEventType = 'beforeunload';
var PopStateEventType = 'popstate';
/**
* Browser history stores the location in regular URLs. This is the standard for
* most web apps, but it requires some configuration on the server to ensure you
* serve the same app at multiple URLs.
*
* @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#createbrowserhistory
*/
function createBrowserHistory(options) {
if (options === void 0) {
options = {};
}
var _options = options,
_options$window = _options.window,
window = _options$window === void 0 ? document.defaultView : _options$window;
var globalHistory = window.history;
function getIndexAndLocation() {
var _window$location = window.location,
pathname = _window$location.pathname,
search = _window$location.search,
hash = _window$location.hash;
var state = globalHistory.state || {};
return [state.idx, readOnly({
pathname: pathname,
search: search,
hash: hash,
state: state.usr || null,
key: state.key || 'default'
})];
}
var blockedPopTx = null;
function handlePop() {
if (blockedPopTx) {
blockers.call(blockedPopTx);
blockedPopTx = null;
} else {
var nextAction = Action.Pop;
var _getIndexAndLocation = getIndexAndLocation(),
nextIndex = _getIndexAndLocation[0],
nextLocation = _getIndexAndLocation[1];
if (blockers.length) {
if (nextIndex != null) {
var delta = index - nextIndex;
if (delta) {
// Revert the POP
blockedPopTx = {
action: nextAction,
location: nextLocation,
retry: function retry() {
go(delta * -1);
}
};
go(delta);
}
} else {
// Trying to POP to a location with no index. We did not create
// this location, so we can't effectively block the navigation.
process.env.NODE_ENV !== "production" ? warning(false, // TODO: Write up a doc that explains our blocking strategy in
// detail and link to it here so people can understand better what
// is going on and how to avoid it.
"You are trying to block a POP navigation to a location that was not " + "created by the history library. The block will fail silently in " + "production, but in general you should do all navigation with the " + "history library (instead of using window.history.pushState directly) " + "to avoid this situation.") : void 0;
}
} else {
applyTx(nextAction);
}
}
}
window.addEventListener(PopStateEventType, handlePop);
var action = Action.Pop;
var _getIndexAndLocation2 = getIndexAndLocation(),
index = _getIndexAndLocation2[0],
location = _getIndexAndLocation2[1];
var listeners = createEvents();
var blockers = createEvents();
if (index == null) {
index = 0;
globalHistory.replaceState(_extends({}, globalHistory.state, {
idx: index
}), '');
}
function createHref(to) {
return typeof to === 'string' ? to : createPath(to);
} // state defaults to `null` because `window.history.state` does
function getNextLocation(to, state) {
if (state === void 0) {
state = null;
}
return readOnly(_extends({
pathname: location.pathname,
hash: '',
search: ''
}, typeof to === 'string' ? parsePath(to) : to, {
state: state,
key: createKey()
}));
}
function getHistoryStateAndUrl(nextLocation, index) {
return [{
usr: nextLocation.state,
key: nextLocation.key,
idx: index
}, createHref(nextLocation)];
}
function allowTx(action, location, retry) {
return !blockers.length || (blockers.call({
action: action,
location: location,
retry: retry
}), false);
}
function applyTx(nextAction) {
action = nextAction;
var _getIndexAndLocation3 = getIndexAndLocation();
index = _getIndexAndLocation3[0];
location = _getIndexAndLocation3[1];
listeners.call({
action: action,
location: location
});
}
function push(to, state) {
var nextAction = Action.Push;
var nextLocation = getNextLocation(to, state);
function retry() {
push(to, state);
}
if (allowTx(nextAction, nextLocation, retry)) {
var _getHistoryStateAndUr = getHistoryStateAndUrl(nextLocation, index + 1),
historyState = _getHistoryStateAndUr[0],
url = _getHistoryStateAndUr[1]; // TODO: Support forced reloading
// try...catch because iOS limits us to 100 pushState calls :/
try {
globalHistory.pushState(historyState, '', url);
} catch (error) {
// They are going to lose state here, but there is no real
// way to warn them about it since the page will refresh...
window.location.assign(url);
}
applyTx(nextAction);
}
}
function replace(to, state) {
var nextAction = Action.Replace;
var nextLocation = getNextLocation(to, state);
function retry() {
replace(to, state);
}
if (allowTx(nextAction, nextLocation, retry)) {
var _getHistoryStateAndUr2 = getHistoryStateAndUrl(nextLocation, index),
historyState = _getHistoryStateAndUr2[0],
url = _getHistoryStateAndUr2[1]; // TODO: Support forced reloading
globalHistory.replaceState(historyState, '', url);
applyTx(nextAction);
}
}
function go(delta) {
globalHistory.go(delta);
}
var history = {
get action() {
return action;
},
get location() {
return location;
},
createHref: createHref,
push: push,
replace: replace,
go: go,
back: function back() {
go(-1);
},
forward: function forward() {
go(1);
},
listen: function listen(listener) {
return listeners.push(listener);
},
block: function block(blocker) {
var unblock = blockers.push(blocker);
if (blockers.length === 1) {
window.addEventListener(BeforeUnloadEventType, promptBeforeUnload);
}
return function () {
unblock(); // Remove the beforeunload listener so the document may
// still be salvageable in the pagehide event.
// See https://html.spec.whatwg.org/#unloading-documents
if (!blockers.length) {
window.removeEventListener(BeforeUnloadEventType, promptBeforeUnload);
}
};
}
};
return history;
}
function promptBeforeUnload(event) {
// Cancel the event.
event.preventDefault(); // Chrome (and legacy IE) requires returnValue to be set.
event.returnValue = '';
}
function createEvents() {
var handlers = [];
return {
get length() {
return handlers.length;
},
push: function push(fn) {
handlers.push(fn);
return function () {
handlers = handlers.filter(function (handler) {
return handler !== fn;
});
};
},
call: function call(arg) {
handlers.forEach(function (fn) {
return fn && fn(arg);
});
}
};
}
function createKey() {
return Math.random().toString(36).substr(2, 8);
}
/**
* Creates a string URL path from the given pathname, search, and hash components.
*
* @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#createpath
*/
function createPath(_ref) {
var _ref$pathname = _ref.pathname,
pathname = _ref$pathname === void 0 ? '/' : _ref$pathname,
_ref$search = _ref.search,
search = _ref$search === void 0 ? '' : _ref$search,
_ref$hash = _ref.hash,
hash = _ref$hash === void 0 ? '' : _ref$hash;
if (search && search !== '?') pathname += search.charAt(0) === '?' ? search : '?' + search;
if (hash && hash !== '#') pathname += hash.charAt(0) === '#' ? hash : '#' + hash;
return pathname;
}
/**
* Parses a string URL path into its separate pathname, search, and hash components.
*
* @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#parsepath
*/
function parsePath(path) {
var parsedPath = {};
if (path) {
var hashIndex = path.indexOf('#');
if (hashIndex >= 0) {
parsedPath.hash = path.substr(hashIndex);
path = path.substr(0, hashIndex);
}
var searchIndex = path.indexOf('?');
if (searchIndex >= 0) {
parsedPath.search = path.substr(searchIndex);
path = path.substr(0, searchIndex);
}
if (path) {
parsedPath.pathname = path;
}
}
return parsedPath;
}
/**
* Create a default instance for the current document.
*/
var browser = createBrowserHistory();
export { browser as default };
//# sourceMappingURL=browser.js.map