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@tanstack/history

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@tanstack/history - npm Package Compare versions

Comparing version
1.161.5
to
1.161.6
+390
-404
dist/cjs/index.cjs

@@ -1,420 +0,405 @@

"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const stateIndexKey = "__TSR_index";
const popStateEvent = "popstate";
const beforeUnloadEvent = "beforeunload";
//#region src/index.ts
var stateIndexKey = "__TSR_index";
var popStateEvent = "popstate";
var beforeUnloadEvent = "beforeunload";
function createHistory(opts) {
let location = opts.getLocation();
const subscribers = /* @__PURE__ */ new Set();
const notify = (action) => {
location = opts.getLocation();
subscribers.forEach((subscriber) => subscriber({ location, action }));
};
const handleIndexChange = (action) => {
if (opts.notifyOnIndexChange ?? true) notify(action);
else location = opts.getLocation();
};
const tryNavigation = async ({
task,
navigateOpts,
...actionInfo
}) => {
const ignoreBlocker = navigateOpts?.ignoreBlocker ?? false;
if (ignoreBlocker) {
task();
return;
}
const blockers = opts.getBlockers?.() ?? [];
const isPushOrReplace = actionInfo.type === "PUSH" || actionInfo.type === "REPLACE";
if (typeof document !== "undefined" && blockers.length && isPushOrReplace) {
for (const blocker of blockers) {
const nextLocation = parseHref(actionInfo.path, actionInfo.state);
const isBlocked = await blocker.blockerFn({
currentLocation: location,
nextLocation,
action: actionInfo.type
});
if (isBlocked) {
opts.onBlocked?.();
return;
}
}
}
task();
};
return {
get location() {
return location;
},
get length() {
return opts.getLength();
},
subscribers,
subscribe: (cb) => {
subscribers.add(cb);
return () => {
subscribers.delete(cb);
};
},
push: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex + 1, state);
tryNavigation({
task: () => {
opts.pushState(path, state);
notify({ type: "PUSH" });
},
navigateOpts,
type: "PUSH",
path,
state
});
},
replace: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex, state);
tryNavigation({
task: () => {
opts.replaceState(path, state);
notify({ type: "REPLACE" });
},
navigateOpts,
type: "REPLACE",
path,
state
});
},
go: (index, navigateOpts) => {
tryNavigation({
task: () => {
opts.go(index);
handleIndexChange({ type: "GO", index });
},
navigateOpts,
type: "GO"
});
},
back: (navigateOpts) => {
tryNavigation({
task: () => {
opts.back(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "BACK" });
},
navigateOpts,
type: "BACK"
});
},
forward: (navigateOpts) => {
tryNavigation({
task: () => {
opts.forward(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "FORWARD" });
},
navigateOpts,
type: "FORWARD"
});
},
canGoBack: () => location.state[stateIndexKey] !== 0,
createHref: (str) => opts.createHref(str),
block: (blocker) => {
if (!opts.setBlockers) return () => {
};
const blockers = opts.getBlockers?.() ?? [];
opts.setBlockers([...blockers, blocker]);
return () => {
const blockers2 = opts.getBlockers?.() ?? [];
opts.setBlockers?.(blockers2.filter((b) => b !== blocker));
};
},
flush: () => opts.flush?.(),
destroy: () => opts.destroy?.(),
notify
};
let location = opts.getLocation();
const subscribers = /* @__PURE__ */ new Set();
const notify = (action) => {
location = opts.getLocation();
subscribers.forEach((subscriber) => subscriber({
location,
action
}));
};
const handleIndexChange = (action) => {
if (opts.notifyOnIndexChange ?? true) notify(action);
else location = opts.getLocation();
};
const tryNavigation = async ({ task, navigateOpts, ...actionInfo }) => {
if (navigateOpts?.ignoreBlocker ?? false) {
task();
return;
}
const blockers = opts.getBlockers?.() ?? [];
const isPushOrReplace = actionInfo.type === "PUSH" || actionInfo.type === "REPLACE";
if (typeof document !== "undefined" && blockers.length && isPushOrReplace) for (const blocker of blockers) {
const nextLocation = parseHref(actionInfo.path, actionInfo.state);
if (await blocker.blockerFn({
currentLocation: location,
nextLocation,
action: actionInfo.type
})) {
opts.onBlocked?.();
return;
}
}
task();
};
return {
get location() {
return location;
},
get length() {
return opts.getLength();
},
subscribers,
subscribe: (cb) => {
subscribers.add(cb);
return () => {
subscribers.delete(cb);
};
},
push: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex + 1, state);
tryNavigation({
task: () => {
opts.pushState(path, state);
notify({ type: "PUSH" });
},
navigateOpts,
type: "PUSH",
path,
state
});
},
replace: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex, state);
tryNavigation({
task: () => {
opts.replaceState(path, state);
notify({ type: "REPLACE" });
},
navigateOpts,
type: "REPLACE",
path,
state
});
},
go: (index, navigateOpts) => {
tryNavigation({
task: () => {
opts.go(index);
handleIndexChange({
type: "GO",
index
});
},
navigateOpts,
type: "GO"
});
},
back: (navigateOpts) => {
tryNavigation({
task: () => {
opts.back(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "BACK" });
},
navigateOpts,
type: "BACK"
});
},
forward: (navigateOpts) => {
tryNavigation({
task: () => {
opts.forward(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "FORWARD" });
},
navigateOpts,
type: "FORWARD"
});
},
canGoBack: () => location.state[stateIndexKey] !== 0,
createHref: (str) => opts.createHref(str),
block: (blocker) => {
if (!opts.setBlockers) return () => {};
const blockers = opts.getBlockers?.() ?? [];
opts.setBlockers([...blockers, blocker]);
return () => {
const blockers = opts.getBlockers?.() ?? [];
opts.setBlockers?.(blockers.filter((b) => b !== blocker));
};
},
flush: () => opts.flush?.(),
destroy: () => opts.destroy?.(),
notify
};
}
function assignKeyAndIndex(index, state) {
if (!state) {
state = {};
}
const key = createRandomKey();
return {
...state,
key,
// TODO: Remove in v2 - use __TSR_key instead
__TSR_key: key,
[stateIndexKey]: index
};
if (!state) state = {};
const key = createRandomKey();
return {
...state,
key,
__TSR_key: key,
[stateIndexKey]: index
};
}
/**
* Creates a history object that can be used to interact with the browser's
* navigation. This is a lightweight API wrapping the browser's native methods.
* It is designed to work with TanStack Router, but could be used as a standalone API as well.
* IMPORTANT: This API implements history throttling via a microtask to prevent
* excessive calls to the history API. In some browsers, calling history.pushState or
* history.replaceState in quick succession can cause the browser to ignore subsequent
* calls. This API smooths out those differences and ensures that your application
* state will *eventually* match the browser state. In most cases, this is not a problem,
* but if you need to ensure that the browser state is up to date, you can use the
* `history.flush` method to immediately flush all pending state changes to the browser URL.
* @param opts
* @param opts.getHref A function that returns the current href (path + search + hash)
* @param opts.createHref A function that takes a path and returns a href (path + search + hash)
* @returns A history instance
*/
function createBrowserHistory(opts) {
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
const originalPushState = win.history.pushState;
const originalReplaceState = win.history.replaceState;
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
const createHref = opts?.createHref ?? ((path) => path);
const parseLocation = opts?.parseLocation ?? (() => parseHref(
`${win.location.pathname}${win.location.search}${win.location.hash}`,
win.history.state
));
if (!win.history.state?.__TSR_key && !win.history.state?.key) {
const addedKey = createRandomKey();
win.history.replaceState(
{
[stateIndexKey]: 0,
key: addedKey,
// TODO: Remove in v2 - use __TSR_key instead
__TSR_key: addedKey
},
""
);
}
let currentLocation = parseLocation();
let rollbackLocation;
let nextPopIsGo = false;
let ignoreNextPop = false;
let skipBlockerNextPop = false;
let ignoreNextBeforeUnload = false;
const getLocation = () => currentLocation;
let next;
let scheduled;
const flush = () => {
if (!next) {
return;
}
history._ignoreSubscribers = true;
(next.isPush ? win.history.pushState : win.history.replaceState)(
next.state,
"",
next.href
);
history._ignoreSubscribers = false;
next = void 0;
scheduled = void 0;
rollbackLocation = void 0;
};
const queueHistoryAction = (type, destHref, state) => {
const href = createHref(destHref);
if (!scheduled) {
rollbackLocation = currentLocation;
}
currentLocation = parseHref(destHref, state);
next = {
href,
state,
isPush: next?.isPush || type === "push"
};
if (!scheduled) {
scheduled = Promise.resolve().then(() => flush());
}
};
const onPushPop = (type) => {
currentLocation = parseLocation();
history.notify({ type });
};
const onPushPopEvent = async () => {
if (ignoreNextPop) {
ignoreNextPop = false;
return;
}
const nextLocation = parseLocation();
const delta = nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey];
const isForward = delta === 1;
const isBack = delta === -1;
const isGo = !isForward && !isBack || nextPopIsGo;
nextPopIsGo = false;
const action = isGo ? "GO" : isBack ? "BACK" : "FORWARD";
const notify = isGo ? {
type: "GO",
index: delta
} : {
type: isBack ? "BACK" : "FORWARD"
};
if (skipBlockerNextPop) {
skipBlockerNextPop = false;
} else {
const blockers2 = _getBlockers();
if (typeof document !== "undefined" && blockers2.length) {
for (const blocker of blockers2) {
const isBlocked = await blocker.blockerFn({
currentLocation,
nextLocation,
action
});
if (isBlocked) {
ignoreNextPop = true;
win.history.go(1);
history.notify(notify);
return;
}
}
}
}
currentLocation = parseLocation();
history.notify(notify);
};
const onBeforeUnload = (e) => {
if (ignoreNextBeforeUnload) {
ignoreNextBeforeUnload = false;
return;
}
let shouldBlock = false;
const blockers2 = _getBlockers();
if (typeof document !== "undefined" && blockers2.length) {
for (const blocker of blockers2) {
const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true;
if (shouldHaveBeforeUnload === true) {
shouldBlock = true;
break;
}
if (typeof shouldHaveBeforeUnload === "function" && shouldHaveBeforeUnload() === true) {
shouldBlock = true;
break;
}
}
}
if (shouldBlock) {
e.preventDefault();
return e.returnValue = "";
}
return;
};
const history = createHistory({
getLocation,
getLength: () => win.history.length,
pushState: (href, state) => queueHistoryAction("push", href, state),
replaceState: (href, state) => queueHistoryAction("replace", href, state),
back: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
return win.history.back();
},
forward: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
win.history.forward();
},
go: (n) => {
nextPopIsGo = true;
win.history.go(n);
},
createHref: (href) => createHref(href),
flush,
destroy: () => {
win.history.pushState = originalPushState;
win.history.replaceState = originalReplaceState;
win.removeEventListener(beforeUnloadEvent, onBeforeUnload, {
capture: true
});
win.removeEventListener(popStateEvent, onPushPopEvent);
},
onBlocked: () => {
if (rollbackLocation && currentLocation !== rollbackLocation) {
currentLocation = rollbackLocation;
}
},
getBlockers: _getBlockers,
setBlockers: _setBlockers,
notifyOnIndexChange: false
});
win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true });
win.addEventListener(popStateEvent, onPushPopEvent);
win.history.pushState = function(...args) {
const res = originalPushState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("PUSH");
return res;
};
win.history.replaceState = function(...args) {
const res = originalReplaceState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("REPLACE");
return res;
};
return history;
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
const originalPushState = win.history.pushState;
const originalReplaceState = win.history.replaceState;
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
const createHref = opts?.createHref ?? ((path) => path);
const parseLocation = opts?.parseLocation ?? (() => parseHref(`${win.location.pathname}${win.location.search}${win.location.hash}`, win.history.state));
if (!win.history.state?.__TSR_key && !win.history.state?.key) {
const addedKey = createRandomKey();
win.history.replaceState({
[stateIndexKey]: 0,
key: addedKey,
__TSR_key: addedKey
}, "");
}
let currentLocation = parseLocation();
let rollbackLocation;
let nextPopIsGo = false;
let ignoreNextPop = false;
let skipBlockerNextPop = false;
let ignoreNextBeforeUnload = false;
const getLocation = () => currentLocation;
let next;
let scheduled;
const flush = () => {
if (!next) return;
history._ignoreSubscribers = true;
(next.isPush ? win.history.pushState : win.history.replaceState)(next.state, "", next.href);
history._ignoreSubscribers = false;
next = void 0;
scheduled = void 0;
rollbackLocation = void 0;
};
const queueHistoryAction = (type, destHref, state) => {
const href = createHref(destHref);
if (!scheduled) rollbackLocation = currentLocation;
currentLocation = parseHref(destHref, state);
next = {
href,
state,
isPush: next?.isPush || type === "push"
};
if (!scheduled) scheduled = Promise.resolve().then(() => flush());
};
const onPushPop = (type) => {
currentLocation = parseLocation();
history.notify({ type });
};
const onPushPopEvent = async () => {
if (ignoreNextPop) {
ignoreNextPop = false;
return;
}
const nextLocation = parseLocation();
const delta = nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey];
const isForward = delta === 1;
const isBack = delta === -1;
const isGo = !isForward && !isBack || nextPopIsGo;
nextPopIsGo = false;
const action = isGo ? "GO" : isBack ? "BACK" : "FORWARD";
const notify = isGo ? {
type: "GO",
index: delta
} : { type: isBack ? "BACK" : "FORWARD" };
if (skipBlockerNextPop) skipBlockerNextPop = false;
else {
const blockers = _getBlockers();
if (typeof document !== "undefined" && blockers.length) {
for (const blocker of blockers) if (await blocker.blockerFn({
currentLocation,
nextLocation,
action
})) {
ignoreNextPop = true;
win.history.go(1);
history.notify(notify);
return;
}
}
}
currentLocation = parseLocation();
history.notify(notify);
};
const onBeforeUnload = (e) => {
if (ignoreNextBeforeUnload) {
ignoreNextBeforeUnload = false;
return;
}
let shouldBlock = false;
const blockers = _getBlockers();
if (typeof document !== "undefined" && blockers.length) for (const blocker of blockers) {
const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true;
if (shouldHaveBeforeUnload === true) {
shouldBlock = true;
break;
}
if (typeof shouldHaveBeforeUnload === "function" && shouldHaveBeforeUnload() === true) {
shouldBlock = true;
break;
}
}
if (shouldBlock) {
e.preventDefault();
return e.returnValue = "";
}
};
const history = createHistory({
getLocation,
getLength: () => win.history.length,
pushState: (href, state) => queueHistoryAction("push", href, state),
replaceState: (href, state) => queueHistoryAction("replace", href, state),
back: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
return win.history.back();
},
forward: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
win.history.forward();
},
go: (n) => {
nextPopIsGo = true;
win.history.go(n);
},
createHref: (href) => createHref(href),
flush,
destroy: () => {
win.history.pushState = originalPushState;
win.history.replaceState = originalReplaceState;
win.removeEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true });
win.removeEventListener(popStateEvent, onPushPopEvent);
},
onBlocked: () => {
if (rollbackLocation && currentLocation !== rollbackLocation) currentLocation = rollbackLocation;
},
getBlockers: _getBlockers,
setBlockers: _setBlockers,
notifyOnIndexChange: false
});
win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true });
win.addEventListener(popStateEvent, onPushPopEvent);
win.history.pushState = function(...args) {
const res = originalPushState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("PUSH");
return res;
};
win.history.replaceState = function(...args) {
const res = originalReplaceState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("REPLACE");
return res;
};
return history;
}
/**
* Create a hash-based history implementation.
* Useful for static hosts or environments without server URL rewriting.
* @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types
*/
function createHashHistory(opts) {
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
return createBrowserHistory({
window: win,
parseLocation: () => {
const hashSplit = win.location.hash.split("#").slice(1);
const pathPart = hashSplit[0] ?? "/";
const searchPart = win.location.search;
const hashEntries = hashSplit.slice(1);
const hashPart = hashEntries.length === 0 ? "" : `#${hashEntries.join("#")}`;
const hashHref = `${pathPart}${searchPart}${hashPart}`;
return parseHref(hashHref, win.history.state);
},
createHref: (href) => `${win.location.pathname}${win.location.search}#${href}`
});
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
return createBrowserHistory({
window: win,
parseLocation: () => {
const hashSplit = win.location.hash.split("#").slice(1);
const pathPart = hashSplit[0] ?? "/";
const searchPart = win.location.search;
const hashEntries = hashSplit.slice(1);
return parseHref(`${pathPart}${searchPart}${hashEntries.length === 0 ? "" : `#${hashEntries.join("#")}`}`, win.history.state);
},
createHref: (href) => `${win.location.pathname}${win.location.search}#${href}`
});
}
function createMemoryHistory(opts = {
initialEntries: ["/"]
}) {
const entries = opts.initialEntries;
let index = opts.initialIndex ? Math.min(Math.max(opts.initialIndex, 0), entries.length - 1) : entries.length - 1;
const states = entries.map(
(_entry, index2) => assignKeyAndIndex(index2, void 0)
);
const getLocation = () => parseHref(entries[index], states[index]);
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
return createHistory({
getLocation,
getLength: () => entries.length,
pushState: (path, state) => {
if (index < entries.length - 1) {
entries.splice(index + 1);
states.splice(index + 1);
}
states.push(state);
entries.push(path);
index = Math.max(entries.length - 1, 0);
},
replaceState: (path, state) => {
states[index] = state;
entries[index] = path;
},
back: () => {
index = Math.max(index - 1, 0);
},
forward: () => {
index = Math.min(index + 1, entries.length - 1);
},
go: (n) => {
index = Math.min(Math.max(index + n, 0), entries.length - 1);
},
createHref: (path) => path,
getBlockers: _getBlockers,
setBlockers: _setBlockers
});
/**
* Create an in-memory history implementation.
* Ideal for server rendering, tests, and non-DOM environments.
* @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types
*/
function createMemoryHistory(opts = { initialEntries: ["/"] }) {
const entries = opts.initialEntries;
let index = opts.initialIndex ? Math.min(Math.max(opts.initialIndex, 0), entries.length - 1) : entries.length - 1;
const states = entries.map((_entry, index) => assignKeyAndIndex(index, void 0));
const getLocation = () => parseHref(entries[index], states[index]);
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
return createHistory({
getLocation,
getLength: () => entries.length,
pushState: (path, state) => {
if (index < entries.length - 1) {
entries.splice(index + 1);
states.splice(index + 1);
}
states.push(state);
entries.push(path);
index = Math.max(entries.length - 1, 0);
},
replaceState: (path, state) => {
states[index] = state;
entries[index] = path;
},
back: () => {
index = Math.max(index - 1, 0);
},
forward: () => {
index = Math.min(index + 1, entries.length - 1);
},
go: (n) => {
index = Math.min(Math.max(index + n, 0), entries.length - 1);
},
createHref: (path) => path,
getBlockers: _getBlockers,
setBlockers: _setBlockers
});
}
/**
* Sanitize a path to prevent open redirect vulnerabilities.
* Removes control characters and collapses leading double slashes.
*/
function sanitizePath(path) {
let sanitized = path.replace(/[\x00-\x1f\x7f]/g, "");
if (sanitized.startsWith("//")) {
sanitized = "/" + sanitized.replace(/^\/+/, "");
}
return sanitized;
let sanitized = path.replace(/[\x00-\x1f\x7f]/g, "");
if (sanitized.startsWith("//")) sanitized = "/" + sanitized.replace(/^\/+/, "");
return sanitized;
}
function parseHref(href, state) {
const sanitizedHref = sanitizePath(href);
const hashIndex = sanitizedHref.indexOf("#");
const searchIndex = sanitizedHref.indexOf("?");
const addedKey = createRandomKey();
return {
href: sanitizedHref,
pathname: sanitizedHref.substring(
0,
hashIndex > 0 ? searchIndex > 0 ? Math.min(hashIndex, searchIndex) : hashIndex : searchIndex > 0 ? searchIndex : sanitizedHref.length
),
hash: hashIndex > -1 ? sanitizedHref.substring(hashIndex) : "",
search: searchIndex > -1 ? sanitizedHref.slice(
searchIndex,
hashIndex === -1 ? void 0 : hashIndex
) : "",
state: state || { [stateIndexKey]: 0, key: addedKey, __TSR_key: addedKey }
};
const sanitizedHref = sanitizePath(href);
const hashIndex = sanitizedHref.indexOf("#");
const searchIndex = sanitizedHref.indexOf("?");
const addedKey = createRandomKey();
return {
href: sanitizedHref,
pathname: sanitizedHref.substring(0, hashIndex > 0 ? searchIndex > 0 ? Math.min(hashIndex, searchIndex) : hashIndex : searchIndex > 0 ? searchIndex : sanitizedHref.length),
hash: hashIndex > -1 ? sanitizedHref.substring(hashIndex) : "",
search: searchIndex > -1 ? sanitizedHref.slice(searchIndex, hashIndex === -1 ? void 0 : hashIndex) : "",
state: state || {
[stateIndexKey]: 0,
key: addedKey,
__TSR_key: addedKey
}
};
}
function createRandomKey() {
return (Math.random() + 1).toString(36).substring(7);
return (Math.random() + 1).toString(36).substring(7);
}
//#endregion
exports.createBrowserHistory = createBrowserHistory;

@@ -425,2 +410,3 @@ exports.createHashHistory = createHashHistory;

exports.parseHref = parseHref;
//# sourceMappingURL=index.cjs.map
//# sourceMappingURL=index.cjs.map

@@ -1,1 +0,1 @@

{"version":3,"file":"index.cjs","sources":["../../src/index.ts"],"sourcesContent":["// While the public API was clearly inspired by the \"history\" npm package,\n// This implementation attempts to be more lightweight by\n// making assumptions about the way TanStack Router works\n\nexport interface NavigateOptions {\n ignoreBlocker?: boolean\n}\n\ntype SubscriberHistoryAction =\n | {\n type: Exclude<HistoryAction, 'GO'>\n }\n | {\n type: 'GO'\n index: number\n }\n\ntype SubscriberArgs = {\n location: HistoryLocation\n action: SubscriberHistoryAction\n}\n\nexport interface RouterHistory {\n location: HistoryLocation\n length: number\n subscribers: Set<(opts: SubscriberArgs) => void>\n subscribe: (cb: (opts: SubscriberArgs) => void) => () => void\n push: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n replace: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n go: (index: number, navigateOpts?: NavigateOptions) => void\n back: (navigateOpts?: NavigateOptions) => void\n forward: (navigateOpts?: NavigateOptions) => void\n canGoBack: () => boolean\n createHref: (href: string) => string\n block: (blocker: NavigationBlocker) => () => void\n flush: () => void\n destroy: () => void\n notify: (action: SubscriberHistoryAction) => void\n _ignoreSubscribers?: boolean\n}\n\nexport interface HistoryLocation extends ParsedPath {\n state: ParsedHistoryState\n}\n\nexport interface ParsedPath {\n href: string\n pathname: string\n search: string\n hash: string\n}\n\nexport interface HistoryState {}\n\nexport type ParsedHistoryState = HistoryState & {\n key?: string // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key?: string\n __TSR_index: number\n}\n\ntype ShouldAllowNavigation = any\n\nexport type HistoryAction = 'PUSH' | 'REPLACE' | 'FORWARD' | 'BACK' | 'GO'\n\nexport type BlockerFnArgs = {\n currentLocation: HistoryLocation\n nextLocation: HistoryLocation\n action: HistoryAction\n}\n\nexport type BlockerFn = (\n args: BlockerFnArgs,\n) => Promise<ShouldAllowNavigation> | ShouldAllowNavigation\n\nexport type NavigationBlocker = {\n blockerFn: BlockerFn\n enableBeforeUnload?: (() => boolean) | boolean\n}\n\ntype TryNavigateArgs = {\n task: () => void\n type: 'PUSH' | 'REPLACE' | 'BACK' | 'FORWARD' | 'GO'\n navigateOpts?: NavigateOptions\n} & (\n | {\n type: 'PUSH' | 'REPLACE'\n path: string\n state: any\n }\n | {\n type: 'BACK' | 'FORWARD' | 'GO'\n }\n)\n\nconst stateIndexKey = '__TSR_index'\nconst popStateEvent = 'popstate'\nconst beforeUnloadEvent = 'beforeunload'\n\nexport function createHistory(opts: {\n getLocation: () => HistoryLocation\n getLength: () => number\n pushState: (path: string, state: any) => void\n replaceState: (path: string, state: any) => void\n go: (n: number) => void\n back: (ignoreBlocker: boolean) => void\n forward: (ignoreBlocker: boolean) => void\n createHref: (path: string) => string\n flush?: () => void\n destroy?: () => void\n onBlocked?: () => void\n getBlockers?: () => Array<NavigationBlocker>\n setBlockers?: (blockers: Array<NavigationBlocker>) => void\n // Avoid notifying on forward/back/go, used for browser history as we already get notified by the popstate event\n notifyOnIndexChange?: boolean\n}): RouterHistory {\n let location = opts.getLocation()\n const subscribers = new Set<(opts: SubscriberArgs) => void>()\n\n const notify = (action: SubscriberHistoryAction) => {\n location = opts.getLocation()\n subscribers.forEach((subscriber) => subscriber({ location, action }))\n }\n\n const handleIndexChange = (action: SubscriberHistoryAction) => {\n if (opts.notifyOnIndexChange ?? true) notify(action)\n else location = opts.getLocation()\n }\n\n const tryNavigation = async ({\n task,\n navigateOpts,\n ...actionInfo\n }: TryNavigateArgs) => {\n const ignoreBlocker = navigateOpts?.ignoreBlocker ?? false\n if (ignoreBlocker) {\n task()\n return\n }\n\n const blockers = opts.getBlockers?.() ?? []\n const isPushOrReplace =\n actionInfo.type === 'PUSH' || actionInfo.type === 'REPLACE'\n if (typeof document !== 'undefined' && blockers.length && isPushOrReplace) {\n for (const blocker of blockers) {\n const nextLocation = parseHref(actionInfo.path, actionInfo.state)\n const isBlocked = await blocker.blockerFn({\n currentLocation: location,\n nextLocation,\n action: actionInfo.type,\n })\n if (isBlocked) {\n opts.onBlocked?.()\n return\n }\n }\n }\n\n task()\n }\n\n return {\n get location() {\n return location\n },\n get length() {\n return opts.getLength()\n },\n subscribers,\n subscribe: (cb: (opts: SubscriberArgs) => void) => {\n subscribers.add(cb)\n\n return () => {\n subscribers.delete(cb)\n }\n },\n push: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex + 1, state)\n tryNavigation({\n task: () => {\n opts.pushState(path, state)\n notify({ type: 'PUSH' })\n },\n navigateOpts,\n type: 'PUSH',\n path,\n state,\n })\n },\n replace: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex, state)\n tryNavigation({\n task: () => {\n opts.replaceState(path, state)\n notify({ type: 'REPLACE' })\n },\n navigateOpts,\n type: 'REPLACE',\n path,\n state,\n })\n },\n go: (index, navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.go(index)\n handleIndexChange({ type: 'GO', index })\n },\n navigateOpts,\n type: 'GO',\n })\n },\n back: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.back(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'BACK' })\n },\n navigateOpts,\n type: 'BACK',\n })\n },\n forward: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.forward(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'FORWARD' })\n },\n navigateOpts,\n type: 'FORWARD',\n })\n },\n canGoBack: () => location.state[stateIndexKey] !== 0,\n createHref: (str) => opts.createHref(str),\n block: (blocker) => {\n if (!opts.setBlockers) return () => {}\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers([...blockers, blocker])\n\n return () => {\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers?.(blockers.filter((b) => b !== blocker))\n }\n },\n flush: () => opts.flush?.(),\n destroy: () => opts.destroy?.(),\n notify,\n }\n}\n\nfunction assignKeyAndIndex(index: number, state: HistoryState | undefined) {\n if (!state) {\n state = {}\n }\n const key = createRandomKey()\n return {\n ...state,\n key, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: key,\n [stateIndexKey]: index,\n } as ParsedHistoryState\n}\n\n/**\n * Creates a history object that can be used to interact with the browser's\n * navigation. This is a lightweight API wrapping the browser's native methods.\n * It is designed to work with TanStack Router, but could be used as a standalone API as well.\n * IMPORTANT: This API implements history throttling via a microtask to prevent\n * excessive calls to the history API. In some browsers, calling history.pushState or\n * history.replaceState in quick succession can cause the browser to ignore subsequent\n * calls. This API smooths out those differences and ensures that your application\n * state will *eventually* match the browser state. In most cases, this is not a problem,\n * but if you need to ensure that the browser state is up to date, you can use the\n * `history.flush` method to immediately flush all pending state changes to the browser URL.\n * @param opts\n * @param opts.getHref A function that returns the current href (path + search + hash)\n * @param opts.createHref A function that takes a path and returns a href (path + search + hash)\n * @returns A history instance\n */\nexport function createBrowserHistory(opts?: {\n parseLocation?: () => HistoryLocation\n createHref?: (path: string) => string\n window?: any\n}): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n\n const originalPushState = win.history.pushState\n const originalReplaceState = win.history.replaceState\n\n let blockers: Array<NavigationBlocker> = []\n const _getBlockers = () => blockers\n const _setBlockers = (newBlockers: Array<NavigationBlocker>) =>\n (blockers = newBlockers)\n\n const createHref = opts?.createHref ?? ((path) => path)\n const parseLocation =\n opts?.parseLocation ??\n (() =>\n parseHref(\n `${win.location.pathname}${win.location.search}${win.location.hash}`,\n win.history.state,\n ))\n\n // Ensure there is always a key to start\n if (!win.history.state?.__TSR_key && !win.history.state?.key) {\n const addedKey = createRandomKey()\n win.history.replaceState(\n {\n [stateIndexKey]: 0,\n key: addedKey, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: addedKey,\n },\n '',\n )\n }\n\n let currentLocation = parseLocation()\n let rollbackLocation: HistoryLocation | undefined\n\n let nextPopIsGo = false\n let ignoreNextPop = false\n let skipBlockerNextPop = false\n let ignoreNextBeforeUnload = false\n\n const getLocation = () => currentLocation\n\n let next:\n | undefined\n | {\n // This is the latest location that we were attempting to push/replace\n href: string\n // This is the latest state that we were attempting to push/replace\n state: any\n // This is the latest type that we were attempting to push/replace\n isPush: boolean\n }\n\n // We need to track the current scheduled update to prevent\n // multiple updates from being scheduled at the same time.\n let scheduled: Promise<void> | undefined\n\n // This function flushes the next update to the browser history\n const flush = () => {\n if (!next) {\n return\n }\n\n // We need to ignore any updates to the subscribers while we update the browser history\n history._ignoreSubscribers = true\n\n // Update the browser history\n ;(next.isPush ? win.history.pushState : win.history.replaceState)(\n next.state,\n '',\n next.href,\n )\n\n // Stop ignoring subscriber updates\n history._ignoreSubscribers = false\n\n // Reset the nextIsPush flag and clear the scheduled update\n next = undefined\n scheduled = undefined\n rollbackLocation = undefined\n }\n\n // This function queues up a call to update the browser history\n const queueHistoryAction = (\n type: 'push' | 'replace',\n destHref: string,\n state: any,\n ) => {\n const href = createHref(destHref)\n\n if (!scheduled) {\n rollbackLocation = currentLocation\n }\n\n // Update the location in memory\n currentLocation = parseHref(destHref, state)\n\n // Keep track of the next location we need to flush to the URL\n next = {\n href,\n state,\n isPush: next?.isPush || type === 'push',\n }\n\n if (!scheduled) {\n // Schedule an update to the browser history\n scheduled = Promise.resolve().then(() => flush())\n }\n }\n\n // NOTE: this function can probably be removed\n const onPushPop = (type: 'PUSH' | 'REPLACE') => {\n currentLocation = parseLocation()\n history.notify({ type })\n }\n\n const onPushPopEvent = async () => {\n if (ignoreNextPop) {\n ignoreNextPop = false\n return\n }\n\n const nextLocation = parseLocation()\n const delta =\n nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey]\n const isForward = delta === 1\n const isBack = delta === -1\n const isGo = (!isForward && !isBack) || nextPopIsGo\n nextPopIsGo = false\n\n const action = isGo ? 'GO' : isBack ? 'BACK' : 'FORWARD'\n const notify: SubscriberHistoryAction = isGo\n ? {\n type: 'GO',\n index: delta,\n }\n : {\n type: isBack ? 'BACK' : 'FORWARD',\n }\n\n if (skipBlockerNextPop) {\n skipBlockerNextPop = false\n } else {\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const isBlocked = await blocker.blockerFn({\n currentLocation,\n nextLocation,\n action,\n })\n if (isBlocked) {\n ignoreNextPop = true\n win.history.go(1)\n history.notify(notify)\n return\n }\n }\n }\n }\n\n currentLocation = parseLocation()\n history.notify(notify)\n }\n\n const onBeforeUnload = (e: BeforeUnloadEvent) => {\n if (ignoreNextBeforeUnload) {\n ignoreNextBeforeUnload = false\n return\n }\n\n let shouldBlock = false\n\n // If one blocker has a non-disabled beforeUnload, we should block\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true\n if (shouldHaveBeforeUnload === true) {\n shouldBlock = true\n break\n }\n\n if (\n typeof shouldHaveBeforeUnload === 'function' &&\n shouldHaveBeforeUnload() === true\n ) {\n shouldBlock = true\n break\n }\n }\n }\n\n if (shouldBlock) {\n e.preventDefault()\n return (e.returnValue = '')\n }\n return\n }\n\n const history = createHistory({\n getLocation,\n getLength: () => win.history.length,\n pushState: (href, state) => queueHistoryAction('push', href, state),\n replaceState: (href, state) => queueHistoryAction('replace', href, state),\n back: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n return win.history.back()\n },\n forward: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n win.history.forward()\n },\n go: (n) => {\n nextPopIsGo = true\n win.history.go(n)\n },\n createHref: (href) => createHref(href),\n flush,\n destroy: () => {\n win.history.pushState = originalPushState\n win.history.replaceState = originalReplaceState\n win.removeEventListener(beforeUnloadEvent, onBeforeUnload, {\n capture: true,\n })\n win.removeEventListener(popStateEvent, onPushPopEvent)\n },\n onBlocked: () => {\n // If a navigation is blocked, we need to rollback the location\n // that we optimistically updated in memory.\n if (rollbackLocation && currentLocation !== rollbackLocation) {\n currentLocation = rollbackLocation\n }\n },\n getBlockers: _getBlockers,\n setBlockers: _setBlockers,\n notifyOnIndexChange: false,\n })\n\n win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true })\n win.addEventListener(popStateEvent, onPushPopEvent)\n\n win.history.pushState = function (...args: Array<any>) {\n const res = originalPushState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('PUSH')\n return res\n }\n\n win.history.replaceState = function (...args: Array<any>) {\n const res = originalReplaceState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('REPLACE')\n return res\n }\n\n return history\n}\n\n/**\n * Create a hash-based history implementation.\n * Useful for static hosts or environments without server URL rewriting.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createHashHistory(opts?: { window?: any }): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n return createBrowserHistory({\n window: win,\n parseLocation: () => {\n const hashSplit = win.location.hash.split('#').slice(1)\n const pathPart = hashSplit[0] ?? '/'\n const searchPart = win.location.search\n const hashEntries = hashSplit.slice(1)\n const hashPart =\n hashEntries.length === 0 ? '' : `#${hashEntries.join('#')}`\n const hashHref = `${pathPart}${searchPart}${hashPart}`\n return parseHref(hashHref, win.history.state)\n },\n createHref: (href) =>\n `${win.location.pathname}${win.location.search}#${href}`,\n })\n}\n\n/**\n * Create an in-memory history implementation.\n * Ideal for server rendering, tests, and non-DOM environments.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createMemoryHistory(\n opts: {\n initialEntries: Array<string>\n initialIndex?: number\n } = {\n initialEntries: ['/'],\n },\n): RouterHistory {\n const entries = opts.initialEntries\n let index = opts.initialIndex\n ? Math.min(Math.max(opts.initialIndex, 0), entries.length - 1)\n : entries.length - 1\n const states = entries.map((_entry, index) =>\n assignKeyAndIndex(index, undefined),\n )\n\n const getLocation = () => parseHref(entries[index]!, states[index])\n\n let blockers: Array<NavigationBlocker> = []\n const _getBlockers = () => blockers\n const _setBlockers = (newBlockers: Array<NavigationBlocker>) =>\n (blockers = newBlockers)\n\n return createHistory({\n getLocation,\n getLength: () => entries.length,\n pushState: (path, state) => {\n // Removes all subsequent entries after the current index to start a new branch\n if (index < entries.length - 1) {\n entries.splice(index + 1)\n states.splice(index + 1)\n }\n states.push(state)\n entries.push(path)\n index = Math.max(entries.length - 1, 0)\n },\n replaceState: (path, state) => {\n states[index] = state\n entries[index] = path\n },\n back: () => {\n index = Math.max(index - 1, 0)\n },\n forward: () => {\n index = Math.min(index + 1, entries.length - 1)\n },\n go: (n) => {\n index = Math.min(Math.max(index + n, 0), entries.length - 1)\n },\n createHref: (path) => path,\n getBlockers: _getBlockers,\n setBlockers: _setBlockers,\n })\n}\n\n/**\n * Sanitize a path to prevent open redirect vulnerabilities.\n * Removes control characters and collapses leading double slashes.\n */\nfunction sanitizePath(path: string): string {\n // Remove ASCII control characters (0x00-0x1F) and DEL (0x7F)\n // These include CR (\\r = 0x0D), LF (\\n = 0x0A), and other potentially dangerous characters\n // eslint-disable-next-line no-control-regex\n let sanitized = path.replace(/[\\x00-\\x1f\\x7f]/g, '')\n\n // Prevent open redirect via protocol-relative URLs (e.g. \"//evil.com\")\n // Collapse leading double slashes to a single slash\n if (sanitized.startsWith('//')) {\n sanitized = '/' + sanitized.replace(/^\\/+/, '')\n }\n\n return sanitized\n}\n\nexport function parseHref(\n href: string,\n state: ParsedHistoryState | undefined,\n): HistoryLocation {\n const sanitizedHref = sanitizePath(href)\n const hashIndex = sanitizedHref.indexOf('#')\n const searchIndex = sanitizedHref.indexOf('?')\n\n const addedKey = createRandomKey()\n\n return {\n href: sanitizedHref,\n pathname: sanitizedHref.substring(\n 0,\n hashIndex > 0\n ? searchIndex > 0\n ? Math.min(hashIndex, searchIndex)\n : hashIndex\n : searchIndex > 0\n ? searchIndex\n : sanitizedHref.length,\n ),\n hash: hashIndex > -1 ? sanitizedHref.substring(hashIndex) : '',\n search:\n searchIndex > -1\n ? sanitizedHref.slice(\n searchIndex,\n hashIndex === -1 ? undefined : hashIndex,\n )\n : '',\n state: state || { [stateIndexKey]: 0, key: addedKey, __TSR_key: addedKey },\n }\n}\n\n// Thanks co-pilot!\nfunction createRandomKey() {\n return (Math.random() + 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{"version":3,"file":"index.cjs","names":[],"sources":["../../src/index.ts"],"sourcesContent":["// While the public API was clearly inspired by the \"history\" npm package,\n// This implementation attempts to be more lightweight by\n// making assumptions about the way TanStack Router works\n\nexport interface NavigateOptions {\n ignoreBlocker?: boolean\n}\n\ntype SubscriberHistoryAction =\n | {\n type: Exclude<HistoryAction, 'GO'>\n }\n | {\n type: 'GO'\n index: number\n }\n\ntype SubscriberArgs = {\n location: HistoryLocation\n action: SubscriberHistoryAction\n}\n\nexport interface RouterHistory {\n location: HistoryLocation\n length: number\n subscribers: Set<(opts: SubscriberArgs) => void>\n subscribe: (cb: (opts: SubscriberArgs) => void) => () => void\n push: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n replace: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n go: (index: number, navigateOpts?: NavigateOptions) => void\n back: (navigateOpts?: NavigateOptions) => void\n forward: (navigateOpts?: NavigateOptions) => void\n canGoBack: () => boolean\n createHref: (href: string) => string\n block: (blocker: NavigationBlocker) => () => void\n flush: () => void\n destroy: () => void\n notify: (action: SubscriberHistoryAction) => void\n _ignoreSubscribers?: boolean\n}\n\nexport interface HistoryLocation extends ParsedPath {\n state: ParsedHistoryState\n}\n\nexport interface ParsedPath {\n href: string\n pathname: string\n search: string\n hash: string\n}\n\nexport interface HistoryState {}\n\nexport type ParsedHistoryState = HistoryState & {\n key?: string // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key?: string\n __TSR_index: number\n}\n\ntype ShouldAllowNavigation = any\n\nexport type HistoryAction = 'PUSH' | 'REPLACE' | 'FORWARD' | 'BACK' | 'GO'\n\nexport type BlockerFnArgs = {\n currentLocation: HistoryLocation\n nextLocation: HistoryLocation\n action: HistoryAction\n}\n\nexport type BlockerFn = (\n args: BlockerFnArgs,\n) => Promise<ShouldAllowNavigation> | ShouldAllowNavigation\n\nexport type NavigationBlocker = {\n blockerFn: BlockerFn\n enableBeforeUnload?: (() => boolean) | boolean\n}\n\ntype TryNavigateArgs = {\n task: () => void\n type: 'PUSH' | 'REPLACE' | 'BACK' | 'FORWARD' | 'GO'\n navigateOpts?: NavigateOptions\n} & (\n | {\n type: 'PUSH' | 'REPLACE'\n path: string\n state: any\n }\n | {\n type: 'BACK' | 'FORWARD' | 'GO'\n }\n)\n\nconst stateIndexKey = '__TSR_index'\nconst popStateEvent = 'popstate'\nconst beforeUnloadEvent = 'beforeunload'\n\nexport function createHistory(opts: {\n getLocation: () => HistoryLocation\n getLength: () => number\n pushState: (path: string, state: any) => void\n replaceState: (path: string, state: any) => void\n go: (n: number) => void\n back: (ignoreBlocker: boolean) => void\n forward: (ignoreBlocker: boolean) => void\n createHref: (path: string) => string\n flush?: () => void\n destroy?: () => void\n onBlocked?: () => void\n getBlockers?: () => Array<NavigationBlocker>\n setBlockers?: (blockers: Array<NavigationBlocker>) => void\n // Avoid notifying on forward/back/go, used for browser history as we already get notified by the popstate event\n notifyOnIndexChange?: boolean\n}): RouterHistory {\n let location = opts.getLocation()\n const subscribers = new Set<(opts: SubscriberArgs) => void>()\n\n const notify = (action: SubscriberHistoryAction) => {\n location = opts.getLocation()\n subscribers.forEach((subscriber) => subscriber({ location, action }))\n }\n\n const handleIndexChange = (action: SubscriberHistoryAction) => {\n if (opts.notifyOnIndexChange ?? true) notify(action)\n else location = opts.getLocation()\n }\n\n const tryNavigation = async ({\n task,\n navigateOpts,\n ...actionInfo\n }: TryNavigateArgs) => {\n const ignoreBlocker = navigateOpts?.ignoreBlocker ?? false\n if (ignoreBlocker) {\n task()\n return\n }\n\n const blockers = opts.getBlockers?.() ?? []\n const isPushOrReplace =\n actionInfo.type === 'PUSH' || actionInfo.type === 'REPLACE'\n if (typeof document !== 'undefined' && blockers.length && isPushOrReplace) {\n for (const blocker of blockers) {\n const nextLocation = parseHref(actionInfo.path, actionInfo.state)\n const isBlocked = await blocker.blockerFn({\n currentLocation: location,\n nextLocation,\n action: actionInfo.type,\n })\n if (isBlocked) {\n opts.onBlocked?.()\n return\n }\n }\n }\n\n task()\n }\n\n return {\n get location() {\n return location\n },\n get length() {\n return opts.getLength()\n },\n subscribers,\n subscribe: (cb: (opts: SubscriberArgs) => void) => {\n subscribers.add(cb)\n\n return () => {\n subscribers.delete(cb)\n }\n },\n push: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex + 1, state)\n tryNavigation({\n task: () => {\n opts.pushState(path, state)\n notify({ type: 'PUSH' })\n },\n navigateOpts,\n type: 'PUSH',\n path,\n state,\n })\n },\n replace: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex, state)\n tryNavigation({\n task: () => {\n opts.replaceState(path, state)\n notify({ type: 'REPLACE' })\n },\n navigateOpts,\n type: 'REPLACE',\n path,\n state,\n })\n },\n go: (index, navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.go(index)\n handleIndexChange({ type: 'GO', index })\n },\n navigateOpts,\n type: 'GO',\n })\n },\n back: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.back(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'BACK' })\n },\n navigateOpts,\n type: 'BACK',\n })\n },\n forward: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.forward(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'FORWARD' })\n },\n navigateOpts,\n type: 'FORWARD',\n })\n },\n canGoBack: () => location.state[stateIndexKey] !== 0,\n createHref: (str) => opts.createHref(str),\n block: (blocker) => {\n if (!opts.setBlockers) return () => {}\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers([...blockers, blocker])\n\n return () => {\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers?.(blockers.filter((b) => b !== blocker))\n }\n },\n flush: () => opts.flush?.(),\n destroy: () => opts.destroy?.(),\n notify,\n }\n}\n\nfunction assignKeyAndIndex(index: number, state: HistoryState | undefined) {\n if (!state) {\n state = {}\n }\n const key = createRandomKey()\n return {\n ...state,\n key, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: key,\n [stateIndexKey]: index,\n } as ParsedHistoryState\n}\n\n/**\n * Creates a history object that can be used to interact with the browser's\n * navigation. This is a lightweight API wrapping the browser's native methods.\n * It is designed to work with TanStack Router, but could be used as a standalone API as well.\n * IMPORTANT: This API implements history throttling via a microtask to prevent\n * excessive calls to the history API. In some browsers, calling history.pushState or\n * history.replaceState in quick succession can cause the browser to ignore subsequent\n * calls. This API smooths out those differences and ensures that your application\n * state will *eventually* match the browser state. In most cases, this is not a problem,\n * but if you need to ensure that the browser state is up to date, you can use the\n * `history.flush` method to immediately flush all pending state changes to the browser URL.\n * @param opts\n * @param opts.getHref A function that returns the current href (path + search + hash)\n * @param opts.createHref A function that takes a path and returns a href (path + search + hash)\n * @returns A history instance\n */\nexport function createBrowserHistory(opts?: {\n parseLocation?: () => HistoryLocation\n createHref?: (path: string) => string\n window?: any\n}): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n\n const originalPushState = win.history.pushState\n const originalReplaceState = win.history.replaceState\n\n let blockers: Array<NavigationBlocker> = []\n const _getBlockers = () => blockers\n const _setBlockers = (newBlockers: Array<NavigationBlocker>) =>\n (blockers = newBlockers)\n\n const createHref = opts?.createHref ?? ((path) => path)\n const parseLocation =\n opts?.parseLocation ??\n (() =>\n parseHref(\n `${win.location.pathname}${win.location.search}${win.location.hash}`,\n win.history.state,\n ))\n\n // Ensure there is always a key to start\n if (!win.history.state?.__TSR_key && !win.history.state?.key) {\n const addedKey = createRandomKey()\n win.history.replaceState(\n {\n [stateIndexKey]: 0,\n key: addedKey, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: addedKey,\n },\n '',\n )\n }\n\n let currentLocation = parseLocation()\n let rollbackLocation: HistoryLocation | undefined\n\n let nextPopIsGo = false\n let ignoreNextPop = false\n let skipBlockerNextPop = false\n let ignoreNextBeforeUnload = false\n\n const getLocation = () => currentLocation\n\n let next:\n | undefined\n | {\n // This is the latest location that we were attempting to push/replace\n href: string\n // This is the latest state that we were attempting to push/replace\n state: any\n // This is the latest type that we were attempting to push/replace\n isPush: boolean\n }\n\n // We need to track the current scheduled update to prevent\n // multiple updates from being scheduled at the same time.\n let scheduled: Promise<void> | undefined\n\n // This function flushes the next update to the browser history\n const flush = () => {\n if (!next) {\n return\n }\n\n // We need to ignore any updates to the subscribers while we update the browser history\n history._ignoreSubscribers = true\n\n // Update the browser history\n ;(next.isPush ? win.history.pushState : win.history.replaceState)(\n next.state,\n '',\n next.href,\n )\n\n // Stop ignoring subscriber updates\n history._ignoreSubscribers = false\n\n // Reset the nextIsPush flag and clear the scheduled update\n next = undefined\n scheduled = undefined\n rollbackLocation = undefined\n }\n\n // This function queues up a call to update the browser history\n const queueHistoryAction = (\n type: 'push' | 'replace',\n destHref: string,\n state: any,\n ) => {\n const href = createHref(destHref)\n\n if (!scheduled) {\n rollbackLocation = currentLocation\n }\n\n // Update the location in memory\n currentLocation = parseHref(destHref, state)\n\n // Keep track of the next location we need to flush to the URL\n next = {\n href,\n state,\n isPush: next?.isPush || type === 'push',\n }\n\n if (!scheduled) {\n // Schedule an update to the browser history\n scheduled = Promise.resolve().then(() => flush())\n }\n }\n\n // NOTE: this function can probably be removed\n const onPushPop = (type: 'PUSH' | 'REPLACE') => {\n currentLocation = parseLocation()\n history.notify({ type })\n }\n\n const onPushPopEvent = async () => {\n if (ignoreNextPop) {\n ignoreNextPop = false\n return\n }\n\n const nextLocation = parseLocation()\n const delta =\n nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey]\n const isForward = delta === 1\n const isBack = delta === -1\n const isGo = (!isForward && !isBack) || nextPopIsGo\n nextPopIsGo = false\n\n const action = isGo ? 'GO' : isBack ? 'BACK' : 'FORWARD'\n const notify: SubscriberHistoryAction = isGo\n ? {\n type: 'GO',\n index: delta,\n }\n : {\n type: isBack ? 'BACK' : 'FORWARD',\n }\n\n if (skipBlockerNextPop) {\n skipBlockerNextPop = false\n } else {\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const isBlocked = await blocker.blockerFn({\n currentLocation,\n nextLocation,\n action,\n })\n if (isBlocked) {\n ignoreNextPop = true\n win.history.go(1)\n history.notify(notify)\n return\n }\n }\n }\n }\n\n currentLocation = parseLocation()\n history.notify(notify)\n }\n\n const onBeforeUnload = (e: BeforeUnloadEvent) => {\n if (ignoreNextBeforeUnload) {\n ignoreNextBeforeUnload = false\n return\n }\n\n let shouldBlock = false\n\n // If one blocker has a non-disabled beforeUnload, we should block\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true\n if (shouldHaveBeforeUnload === true) {\n shouldBlock = true\n break\n }\n\n if (\n typeof shouldHaveBeforeUnload === 'function' &&\n shouldHaveBeforeUnload() === true\n ) {\n shouldBlock = true\n break\n }\n }\n }\n\n if (shouldBlock) {\n e.preventDefault()\n return (e.returnValue = '')\n }\n return\n }\n\n const history = createHistory({\n getLocation,\n getLength: () => win.history.length,\n pushState: (href, state) => queueHistoryAction('push', href, state),\n replaceState: (href, state) => queueHistoryAction('replace', href, state),\n back: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n return win.history.back()\n },\n forward: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n win.history.forward()\n },\n go: (n) => {\n nextPopIsGo = true\n win.history.go(n)\n },\n createHref: (href) => createHref(href),\n flush,\n destroy: () => {\n win.history.pushState = originalPushState\n win.history.replaceState = originalReplaceState\n win.removeEventListener(beforeUnloadEvent, onBeforeUnload, {\n capture: true,\n })\n win.removeEventListener(popStateEvent, onPushPopEvent)\n },\n onBlocked: () => {\n // If a navigation is blocked, we need to rollback the location\n // that we optimistically updated in memory.\n if (rollbackLocation && currentLocation !== rollbackLocation) {\n currentLocation = rollbackLocation\n }\n },\n getBlockers: _getBlockers,\n setBlockers: _setBlockers,\n notifyOnIndexChange: false,\n })\n\n win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true })\n win.addEventListener(popStateEvent, onPushPopEvent)\n\n win.history.pushState = function (...args: Array<any>) {\n const res = originalPushState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('PUSH')\n return res\n }\n\n win.history.replaceState = function (...args: Array<any>) {\n const res = originalReplaceState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('REPLACE')\n return res\n }\n\n return history\n}\n\n/**\n * Create a hash-based history implementation.\n * Useful for static hosts or environments without server URL rewriting.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createHashHistory(opts?: { window?: any }): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n return createBrowserHistory({\n window: win,\n parseLocation: () => {\n const hashSplit = win.location.hash.split('#').slice(1)\n const pathPart = hashSplit[0] ?? '/'\n const searchPart = win.location.search\n const hashEntries = hashSplit.slice(1)\n const hashPart =\n hashEntries.length === 0 ? '' : `#${hashEntries.join('#')}`\n const hashHref = `${pathPart}${searchPart}${hashPart}`\n return parseHref(hashHref, win.history.state)\n },\n createHref: (href) =>\n `${win.location.pathname}${win.location.search}#${href}`,\n })\n}\n\n/**\n * Create an in-memory history implementation.\n * Ideal for server rendering, tests, and non-DOM environments.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createMemoryHistory(\n opts: {\n initialEntries: Array<string>\n initialIndex?: number\n } = {\n initialEntries: ['/'],\n },\n): RouterHistory {\n const entries = opts.initialEntries\n let index = opts.initialIndex\n ? 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@@ -1,425 +0,406 @@

const stateIndexKey = "__TSR_index";
const popStateEvent = "popstate";
const beforeUnloadEvent = "beforeunload";
//#region src/index.ts
var stateIndexKey = "__TSR_index";
var popStateEvent = "popstate";
var beforeUnloadEvent = "beforeunload";
function createHistory(opts) {
let location = opts.getLocation();
const subscribers = /* @__PURE__ */ new Set();
const notify = (action) => {
location = opts.getLocation();
subscribers.forEach((subscriber) => subscriber({ location, action }));
};
const handleIndexChange = (action) => {
if (opts.notifyOnIndexChange ?? true) notify(action);
else location = opts.getLocation();
};
const tryNavigation = async ({
task,
navigateOpts,
...actionInfo
}) => {
const ignoreBlocker = navigateOpts?.ignoreBlocker ?? false;
if (ignoreBlocker) {
task();
return;
}
const blockers = opts.getBlockers?.() ?? [];
const isPushOrReplace = actionInfo.type === "PUSH" || actionInfo.type === "REPLACE";
if (typeof document !== "undefined" && blockers.length && isPushOrReplace) {
for (const blocker of blockers) {
const nextLocation = parseHref(actionInfo.path, actionInfo.state);
const isBlocked = await blocker.blockerFn({
currentLocation: location,
nextLocation,
action: actionInfo.type
});
if (isBlocked) {
opts.onBlocked?.();
return;
}
}
}
task();
};
return {
get location() {
return location;
},
get length() {
return opts.getLength();
},
subscribers,
subscribe: (cb) => {
subscribers.add(cb);
return () => {
subscribers.delete(cb);
};
},
push: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex + 1, state);
tryNavigation({
task: () => {
opts.pushState(path, state);
notify({ type: "PUSH" });
},
navigateOpts,
type: "PUSH",
path,
state
});
},
replace: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex, state);
tryNavigation({
task: () => {
opts.replaceState(path, state);
notify({ type: "REPLACE" });
},
navigateOpts,
type: "REPLACE",
path,
state
});
},
go: (index, navigateOpts) => {
tryNavigation({
task: () => {
opts.go(index);
handleIndexChange({ type: "GO", index });
},
navigateOpts,
type: "GO"
});
},
back: (navigateOpts) => {
tryNavigation({
task: () => {
opts.back(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "BACK" });
},
navigateOpts,
type: "BACK"
});
},
forward: (navigateOpts) => {
tryNavigation({
task: () => {
opts.forward(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "FORWARD" });
},
navigateOpts,
type: "FORWARD"
});
},
canGoBack: () => location.state[stateIndexKey] !== 0,
createHref: (str) => opts.createHref(str),
block: (blocker) => {
if (!opts.setBlockers) return () => {
};
const blockers = opts.getBlockers?.() ?? [];
opts.setBlockers([...blockers, blocker]);
return () => {
const blockers2 = opts.getBlockers?.() ?? [];
opts.setBlockers?.(blockers2.filter((b) => b !== blocker));
};
},
flush: () => opts.flush?.(),
destroy: () => opts.destroy?.(),
notify
};
let location = opts.getLocation();
const subscribers = /* @__PURE__ */ new Set();
const notify = (action) => {
location = opts.getLocation();
subscribers.forEach((subscriber) => subscriber({
location,
action
}));
};
const handleIndexChange = (action) => {
if (opts.notifyOnIndexChange ?? true) notify(action);
else location = opts.getLocation();
};
const tryNavigation = async ({ task, navigateOpts, ...actionInfo }) => {
if (navigateOpts?.ignoreBlocker ?? false) {
task();
return;
}
const blockers = opts.getBlockers?.() ?? [];
const isPushOrReplace = actionInfo.type === "PUSH" || actionInfo.type === "REPLACE";
if (typeof document !== "undefined" && blockers.length && isPushOrReplace) for (const blocker of blockers) {
const nextLocation = parseHref(actionInfo.path, actionInfo.state);
if (await blocker.blockerFn({
currentLocation: location,
nextLocation,
action: actionInfo.type
})) {
opts.onBlocked?.();
return;
}
}
task();
};
return {
get location() {
return location;
},
get length() {
return opts.getLength();
},
subscribers,
subscribe: (cb) => {
subscribers.add(cb);
return () => {
subscribers.delete(cb);
};
},
push: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex + 1, state);
tryNavigation({
task: () => {
opts.pushState(path, state);
notify({ type: "PUSH" });
},
navigateOpts,
type: "PUSH",
path,
state
});
},
replace: (path, state, navigateOpts) => {
const currentIndex = location.state[stateIndexKey];
state = assignKeyAndIndex(currentIndex, state);
tryNavigation({
task: () => {
opts.replaceState(path, state);
notify({ type: "REPLACE" });
},
navigateOpts,
type: "REPLACE",
path,
state
});
},
go: (index, navigateOpts) => {
tryNavigation({
task: () => {
opts.go(index);
handleIndexChange({
type: "GO",
index
});
},
navigateOpts,
type: "GO"
});
},
back: (navigateOpts) => {
tryNavigation({
task: () => {
opts.back(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "BACK" });
},
navigateOpts,
type: "BACK"
});
},
forward: (navigateOpts) => {
tryNavigation({
task: () => {
opts.forward(navigateOpts?.ignoreBlocker ?? false);
handleIndexChange({ type: "FORWARD" });
},
navigateOpts,
type: "FORWARD"
});
},
canGoBack: () => location.state[stateIndexKey] !== 0,
createHref: (str) => opts.createHref(str),
block: (blocker) => {
if (!opts.setBlockers) return () => {};
const blockers = opts.getBlockers?.() ?? [];
opts.setBlockers([...blockers, blocker]);
return () => {
const blockers = opts.getBlockers?.() ?? [];
opts.setBlockers?.(blockers.filter((b) => b !== blocker));
};
},
flush: () => opts.flush?.(),
destroy: () => opts.destroy?.(),
notify
};
}
function assignKeyAndIndex(index, state) {
if (!state) {
state = {};
}
const key = createRandomKey();
return {
...state,
key,
// TODO: Remove in v2 - use __TSR_key instead
__TSR_key: key,
[stateIndexKey]: index
};
if (!state) state = {};
const key = createRandomKey();
return {
...state,
key,
__TSR_key: key,
[stateIndexKey]: index
};
}
/**
* Creates a history object that can be used to interact with the browser's
* navigation. This is a lightweight API wrapping the browser's native methods.
* It is designed to work with TanStack Router, but could be used as a standalone API as well.
* IMPORTANT: This API implements history throttling via a microtask to prevent
* excessive calls to the history API. In some browsers, calling history.pushState or
* history.replaceState in quick succession can cause the browser to ignore subsequent
* calls. This API smooths out those differences and ensures that your application
* state will *eventually* match the browser state. In most cases, this is not a problem,
* but if you need to ensure that the browser state is up to date, you can use the
* `history.flush` method to immediately flush all pending state changes to the browser URL.
* @param opts
* @param opts.getHref A function that returns the current href (path + search + hash)
* @param opts.createHref A function that takes a path and returns a href (path + search + hash)
* @returns A history instance
*/
function createBrowserHistory(opts) {
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
const originalPushState = win.history.pushState;
const originalReplaceState = win.history.replaceState;
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
const createHref = opts?.createHref ?? ((path) => path);
const parseLocation = opts?.parseLocation ?? (() => parseHref(
`${win.location.pathname}${win.location.search}${win.location.hash}`,
win.history.state
));
if (!win.history.state?.__TSR_key && !win.history.state?.key) {
const addedKey = createRandomKey();
win.history.replaceState(
{
[stateIndexKey]: 0,
key: addedKey,
// TODO: Remove in v2 - use __TSR_key instead
__TSR_key: addedKey
},
""
);
}
let currentLocation = parseLocation();
let rollbackLocation;
let nextPopIsGo = false;
let ignoreNextPop = false;
let skipBlockerNextPop = false;
let ignoreNextBeforeUnload = false;
const getLocation = () => currentLocation;
let next;
let scheduled;
const flush = () => {
if (!next) {
return;
}
history._ignoreSubscribers = true;
(next.isPush ? win.history.pushState : win.history.replaceState)(
next.state,
"",
next.href
);
history._ignoreSubscribers = false;
next = void 0;
scheduled = void 0;
rollbackLocation = void 0;
};
const queueHistoryAction = (type, destHref, state) => {
const href = createHref(destHref);
if (!scheduled) {
rollbackLocation = currentLocation;
}
currentLocation = parseHref(destHref, state);
next = {
href,
state,
isPush: next?.isPush || type === "push"
};
if (!scheduled) {
scheduled = Promise.resolve().then(() => flush());
}
};
const onPushPop = (type) => {
currentLocation = parseLocation();
history.notify({ type });
};
const onPushPopEvent = async () => {
if (ignoreNextPop) {
ignoreNextPop = false;
return;
}
const nextLocation = parseLocation();
const delta = nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey];
const isForward = delta === 1;
const isBack = delta === -1;
const isGo = !isForward && !isBack || nextPopIsGo;
nextPopIsGo = false;
const action = isGo ? "GO" : isBack ? "BACK" : "FORWARD";
const notify = isGo ? {
type: "GO",
index: delta
} : {
type: isBack ? "BACK" : "FORWARD"
};
if (skipBlockerNextPop) {
skipBlockerNextPop = false;
} else {
const blockers2 = _getBlockers();
if (typeof document !== "undefined" && blockers2.length) {
for (const blocker of blockers2) {
const isBlocked = await blocker.blockerFn({
currentLocation,
nextLocation,
action
});
if (isBlocked) {
ignoreNextPop = true;
win.history.go(1);
history.notify(notify);
return;
}
}
}
}
currentLocation = parseLocation();
history.notify(notify);
};
const onBeforeUnload = (e) => {
if (ignoreNextBeforeUnload) {
ignoreNextBeforeUnload = false;
return;
}
let shouldBlock = false;
const blockers2 = _getBlockers();
if (typeof document !== "undefined" && blockers2.length) {
for (const blocker of blockers2) {
const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true;
if (shouldHaveBeforeUnload === true) {
shouldBlock = true;
break;
}
if (typeof shouldHaveBeforeUnload === "function" && shouldHaveBeforeUnload() === true) {
shouldBlock = true;
break;
}
}
}
if (shouldBlock) {
e.preventDefault();
return e.returnValue = "";
}
return;
};
const history = createHistory({
getLocation,
getLength: () => win.history.length,
pushState: (href, state) => queueHistoryAction("push", href, state),
replaceState: (href, state) => queueHistoryAction("replace", href, state),
back: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
return win.history.back();
},
forward: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
win.history.forward();
},
go: (n) => {
nextPopIsGo = true;
win.history.go(n);
},
createHref: (href) => createHref(href),
flush,
destroy: () => {
win.history.pushState = originalPushState;
win.history.replaceState = originalReplaceState;
win.removeEventListener(beforeUnloadEvent, onBeforeUnload, {
capture: true
});
win.removeEventListener(popStateEvent, onPushPopEvent);
},
onBlocked: () => {
if (rollbackLocation && currentLocation !== rollbackLocation) {
currentLocation = rollbackLocation;
}
},
getBlockers: _getBlockers,
setBlockers: _setBlockers,
notifyOnIndexChange: false
});
win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true });
win.addEventListener(popStateEvent, onPushPopEvent);
win.history.pushState = function(...args) {
const res = originalPushState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("PUSH");
return res;
};
win.history.replaceState = function(...args) {
const res = originalReplaceState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("REPLACE");
return res;
};
return history;
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
const originalPushState = win.history.pushState;
const originalReplaceState = win.history.replaceState;
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
const createHref = opts?.createHref ?? ((path) => path);
const parseLocation = opts?.parseLocation ?? (() => parseHref(`${win.location.pathname}${win.location.search}${win.location.hash}`, win.history.state));
if (!win.history.state?.__TSR_key && !win.history.state?.key) {
const addedKey = createRandomKey();
win.history.replaceState({
[stateIndexKey]: 0,
key: addedKey,
__TSR_key: addedKey
}, "");
}
let currentLocation = parseLocation();
let rollbackLocation;
let nextPopIsGo = false;
let ignoreNextPop = false;
let skipBlockerNextPop = false;
let ignoreNextBeforeUnload = false;
const getLocation = () => currentLocation;
let next;
let scheduled;
const flush = () => {
if (!next) return;
history._ignoreSubscribers = true;
(next.isPush ? win.history.pushState : win.history.replaceState)(next.state, "", next.href);
history._ignoreSubscribers = false;
next = void 0;
scheduled = void 0;
rollbackLocation = void 0;
};
const queueHistoryAction = (type, destHref, state) => {
const href = createHref(destHref);
if (!scheduled) rollbackLocation = currentLocation;
currentLocation = parseHref(destHref, state);
next = {
href,
state,
isPush: next?.isPush || type === "push"
};
if (!scheduled) scheduled = Promise.resolve().then(() => flush());
};
const onPushPop = (type) => {
currentLocation = parseLocation();
history.notify({ type });
};
const onPushPopEvent = async () => {
if (ignoreNextPop) {
ignoreNextPop = false;
return;
}
const nextLocation = parseLocation();
const delta = nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey];
const isForward = delta === 1;
const isBack = delta === -1;
const isGo = !isForward && !isBack || nextPopIsGo;
nextPopIsGo = false;
const action = isGo ? "GO" : isBack ? "BACK" : "FORWARD";
const notify = isGo ? {
type: "GO",
index: delta
} : { type: isBack ? "BACK" : "FORWARD" };
if (skipBlockerNextPop) skipBlockerNextPop = false;
else {
const blockers = _getBlockers();
if (typeof document !== "undefined" && blockers.length) {
for (const blocker of blockers) if (await blocker.blockerFn({
currentLocation,
nextLocation,
action
})) {
ignoreNextPop = true;
win.history.go(1);
history.notify(notify);
return;
}
}
}
currentLocation = parseLocation();
history.notify(notify);
};
const onBeforeUnload = (e) => {
if (ignoreNextBeforeUnload) {
ignoreNextBeforeUnload = false;
return;
}
let shouldBlock = false;
const blockers = _getBlockers();
if (typeof document !== "undefined" && blockers.length) for (const blocker of blockers) {
const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true;
if (shouldHaveBeforeUnload === true) {
shouldBlock = true;
break;
}
if (typeof shouldHaveBeforeUnload === "function" && shouldHaveBeforeUnload() === true) {
shouldBlock = true;
break;
}
}
if (shouldBlock) {
e.preventDefault();
return e.returnValue = "";
}
};
const history = createHistory({
getLocation,
getLength: () => win.history.length,
pushState: (href, state) => queueHistoryAction("push", href, state),
replaceState: (href, state) => queueHistoryAction("replace", href, state),
back: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
return win.history.back();
},
forward: (ignoreBlocker) => {
if (ignoreBlocker) skipBlockerNextPop = true;
ignoreNextBeforeUnload = true;
win.history.forward();
},
go: (n) => {
nextPopIsGo = true;
win.history.go(n);
},
createHref: (href) => createHref(href),
flush,
destroy: () => {
win.history.pushState = originalPushState;
win.history.replaceState = originalReplaceState;
win.removeEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true });
win.removeEventListener(popStateEvent, onPushPopEvent);
},
onBlocked: () => {
if (rollbackLocation && currentLocation !== rollbackLocation) currentLocation = rollbackLocation;
},
getBlockers: _getBlockers,
setBlockers: _setBlockers,
notifyOnIndexChange: false
});
win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true });
win.addEventListener(popStateEvent, onPushPopEvent);
win.history.pushState = function(...args) {
const res = originalPushState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("PUSH");
return res;
};
win.history.replaceState = function(...args) {
const res = originalReplaceState.apply(win.history, args);
if (!history._ignoreSubscribers) onPushPop("REPLACE");
return res;
};
return history;
}
/**
* Create a hash-based history implementation.
* Useful for static hosts or environments without server URL rewriting.
* @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types
*/
function createHashHistory(opts) {
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
return createBrowserHistory({
window: win,
parseLocation: () => {
const hashSplit = win.location.hash.split("#").slice(1);
const pathPart = hashSplit[0] ?? "/";
const searchPart = win.location.search;
const hashEntries = hashSplit.slice(1);
const hashPart = hashEntries.length === 0 ? "" : `#${hashEntries.join("#")}`;
const hashHref = `${pathPart}${searchPart}${hashPart}`;
return parseHref(hashHref, win.history.state);
},
createHref: (href) => `${win.location.pathname}${win.location.search}#${href}`
});
const win = opts?.window ?? (typeof document !== "undefined" ? window : void 0);
return createBrowserHistory({
window: win,
parseLocation: () => {
const hashSplit = win.location.hash.split("#").slice(1);
const pathPart = hashSplit[0] ?? "/";
const searchPart = win.location.search;
const hashEntries = hashSplit.slice(1);
return parseHref(`${pathPart}${searchPart}${hashEntries.length === 0 ? "" : `#${hashEntries.join("#")}`}`, win.history.state);
},
createHref: (href) => `${win.location.pathname}${win.location.search}#${href}`
});
}
function createMemoryHistory(opts = {
initialEntries: ["/"]
}) {
const entries = opts.initialEntries;
let index = opts.initialIndex ? Math.min(Math.max(opts.initialIndex, 0), entries.length - 1) : entries.length - 1;
const states = entries.map(
(_entry, index2) => assignKeyAndIndex(index2, void 0)
);
const getLocation = () => parseHref(entries[index], states[index]);
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
return createHistory({
getLocation,
getLength: () => entries.length,
pushState: (path, state) => {
if (index < entries.length - 1) {
entries.splice(index + 1);
states.splice(index + 1);
}
states.push(state);
entries.push(path);
index = Math.max(entries.length - 1, 0);
},
replaceState: (path, state) => {
states[index] = state;
entries[index] = path;
},
back: () => {
index = Math.max(index - 1, 0);
},
forward: () => {
index = Math.min(index + 1, entries.length - 1);
},
go: (n) => {
index = Math.min(Math.max(index + n, 0), entries.length - 1);
},
createHref: (path) => path,
getBlockers: _getBlockers,
setBlockers: _setBlockers
});
/**
* Create an in-memory history implementation.
* Ideal for server rendering, tests, and non-DOM environments.
* @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types
*/
function createMemoryHistory(opts = { initialEntries: ["/"] }) {
const entries = opts.initialEntries;
let index = opts.initialIndex ? Math.min(Math.max(opts.initialIndex, 0), entries.length - 1) : entries.length - 1;
const states = entries.map((_entry, index) => assignKeyAndIndex(index, void 0));
const getLocation = () => parseHref(entries[index], states[index]);
let blockers = [];
const _getBlockers = () => blockers;
const _setBlockers = (newBlockers) => blockers = newBlockers;
return createHistory({
getLocation,
getLength: () => entries.length,
pushState: (path, state) => {
if (index < entries.length - 1) {
entries.splice(index + 1);
states.splice(index + 1);
}
states.push(state);
entries.push(path);
index = Math.max(entries.length - 1, 0);
},
replaceState: (path, state) => {
states[index] = state;
entries[index] = path;
},
back: () => {
index = Math.max(index - 1, 0);
},
forward: () => {
index = Math.min(index + 1, entries.length - 1);
},
go: (n) => {
index = Math.min(Math.max(index + n, 0), entries.length - 1);
},
createHref: (path) => path,
getBlockers: _getBlockers,
setBlockers: _setBlockers
});
}
/**
* Sanitize a path to prevent open redirect vulnerabilities.
* Removes control characters and collapses leading double slashes.
*/
function sanitizePath(path) {
let sanitized = path.replace(/[\x00-\x1f\x7f]/g, "");
if (sanitized.startsWith("//")) {
sanitized = "/" + sanitized.replace(/^\/+/, "");
}
return sanitized;
let sanitized = path.replace(/[\x00-\x1f\x7f]/g, "");
if (sanitized.startsWith("//")) sanitized = "/" + sanitized.replace(/^\/+/, "");
return sanitized;
}
function parseHref(href, state) {
const sanitizedHref = sanitizePath(href);
const hashIndex = sanitizedHref.indexOf("#");
const searchIndex = sanitizedHref.indexOf("?");
const addedKey = createRandomKey();
return {
href: sanitizedHref,
pathname: sanitizedHref.substring(
0,
hashIndex > 0 ? searchIndex > 0 ? Math.min(hashIndex, searchIndex) : hashIndex : searchIndex > 0 ? searchIndex : sanitizedHref.length
),
hash: hashIndex > -1 ? sanitizedHref.substring(hashIndex) : "",
search: searchIndex > -1 ? sanitizedHref.slice(
searchIndex,
hashIndex === -1 ? void 0 : hashIndex
) : "",
state: state || { [stateIndexKey]: 0, key: addedKey, __TSR_key: addedKey }
};
const sanitizedHref = sanitizePath(href);
const hashIndex = sanitizedHref.indexOf("#");
const searchIndex = sanitizedHref.indexOf("?");
const addedKey = createRandomKey();
return {
href: sanitizedHref,
pathname: sanitizedHref.substring(0, hashIndex > 0 ? searchIndex > 0 ? Math.min(hashIndex, searchIndex) : hashIndex : searchIndex > 0 ? searchIndex : sanitizedHref.length),
hash: hashIndex > -1 ? sanitizedHref.substring(hashIndex) : "",
search: searchIndex > -1 ? sanitizedHref.slice(searchIndex, hashIndex === -1 ? void 0 : hashIndex) : "",
state: state || {
[stateIndexKey]: 0,
key: addedKey,
__TSR_key: addedKey
}
};
}
function createRandomKey() {
return (Math.random() + 1).toString(36).substring(7);
return (Math.random() + 1).toString(36).substring(7);
}
export {
createBrowserHistory,
createHashHistory,
createHistory,
createMemoryHistory,
parseHref
};
//# sourceMappingURL=index.js.map
//#endregion
export { createBrowserHistory, createHashHistory, createHistory, createMemoryHistory, parseHref };
//# sourceMappingURL=index.js.map

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{"version":3,"file":"index.js","sources":["../../src/index.ts"],"sourcesContent":["// While the public API was clearly inspired by the \"history\" npm package,\n// This implementation attempts to be more lightweight by\n// making assumptions about the way TanStack Router works\n\nexport interface NavigateOptions {\n ignoreBlocker?: boolean\n}\n\ntype SubscriberHistoryAction =\n | {\n type: Exclude<HistoryAction, 'GO'>\n }\n | {\n type: 'GO'\n index: number\n }\n\ntype SubscriberArgs = {\n location: HistoryLocation\n action: SubscriberHistoryAction\n}\n\nexport interface RouterHistory {\n location: HistoryLocation\n length: number\n subscribers: Set<(opts: SubscriberArgs) => void>\n subscribe: (cb: (opts: SubscriberArgs) => void) => () => void\n push: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n replace: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n go: (index: number, navigateOpts?: NavigateOptions) => void\n back: (navigateOpts?: NavigateOptions) => void\n forward: (navigateOpts?: NavigateOptions) => void\n canGoBack: () => boolean\n createHref: (href: string) => string\n block: (blocker: NavigationBlocker) => () => void\n flush: () => void\n destroy: () => void\n notify: (action: SubscriberHistoryAction) => void\n _ignoreSubscribers?: boolean\n}\n\nexport interface HistoryLocation extends ParsedPath {\n state: ParsedHistoryState\n}\n\nexport interface ParsedPath {\n href: string\n pathname: string\n search: string\n hash: string\n}\n\nexport interface HistoryState {}\n\nexport type ParsedHistoryState = HistoryState & {\n key?: string // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key?: string\n __TSR_index: number\n}\n\ntype ShouldAllowNavigation = any\n\nexport type HistoryAction = 'PUSH' | 'REPLACE' | 'FORWARD' | 'BACK' | 'GO'\n\nexport type BlockerFnArgs = {\n currentLocation: HistoryLocation\n nextLocation: HistoryLocation\n action: HistoryAction\n}\n\nexport type BlockerFn = (\n args: BlockerFnArgs,\n) => Promise<ShouldAllowNavigation> | ShouldAllowNavigation\n\nexport type NavigationBlocker = {\n blockerFn: BlockerFn\n enableBeforeUnload?: (() => boolean) | boolean\n}\n\ntype TryNavigateArgs = {\n task: () => void\n type: 'PUSH' | 'REPLACE' | 'BACK' | 'FORWARD' | 'GO'\n navigateOpts?: NavigateOptions\n} & (\n | {\n type: 'PUSH' | 'REPLACE'\n path: string\n state: any\n }\n | {\n type: 'BACK' | 'FORWARD' | 'GO'\n }\n)\n\nconst stateIndexKey = '__TSR_index'\nconst popStateEvent = 'popstate'\nconst beforeUnloadEvent = 'beforeunload'\n\nexport function createHistory(opts: {\n getLocation: () => HistoryLocation\n getLength: () => number\n pushState: (path: string, state: any) => void\n replaceState: (path: string, state: any) => void\n go: (n: number) => void\n back: (ignoreBlocker: boolean) => void\n forward: (ignoreBlocker: boolean) => void\n createHref: (path: string) => string\n flush?: () => void\n destroy?: () => void\n onBlocked?: () => void\n getBlockers?: () => Array<NavigationBlocker>\n setBlockers?: (blockers: Array<NavigationBlocker>) => void\n // Avoid notifying on forward/back/go, used for browser history as we already get notified by the popstate event\n notifyOnIndexChange?: boolean\n}): RouterHistory {\n let location = opts.getLocation()\n const subscribers = new Set<(opts: SubscriberArgs) => void>()\n\n const notify = (action: SubscriberHistoryAction) => {\n location = opts.getLocation()\n subscribers.forEach((subscriber) => subscriber({ location, action }))\n }\n\n const handleIndexChange = (action: SubscriberHistoryAction) => {\n if (opts.notifyOnIndexChange ?? true) notify(action)\n else location = opts.getLocation()\n }\n\n const tryNavigation = async ({\n task,\n navigateOpts,\n ...actionInfo\n }: TryNavigateArgs) => {\n const ignoreBlocker = navigateOpts?.ignoreBlocker ?? false\n if (ignoreBlocker) {\n task()\n return\n }\n\n const blockers = opts.getBlockers?.() ?? []\n const isPushOrReplace =\n actionInfo.type === 'PUSH' || actionInfo.type === 'REPLACE'\n if (typeof document !== 'undefined' && blockers.length && isPushOrReplace) {\n for (const blocker of blockers) {\n const nextLocation = parseHref(actionInfo.path, actionInfo.state)\n const isBlocked = await blocker.blockerFn({\n currentLocation: location,\n nextLocation,\n action: actionInfo.type,\n })\n if (isBlocked) {\n opts.onBlocked?.()\n return\n }\n }\n }\n\n task()\n }\n\n return {\n get location() {\n return location\n },\n get length() {\n return opts.getLength()\n },\n subscribers,\n subscribe: (cb: (opts: SubscriberArgs) => void) => {\n subscribers.add(cb)\n\n return () => {\n subscribers.delete(cb)\n }\n },\n push: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex + 1, state)\n tryNavigation({\n task: () => {\n opts.pushState(path, state)\n notify({ type: 'PUSH' })\n },\n navigateOpts,\n type: 'PUSH',\n path,\n state,\n })\n },\n replace: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex, state)\n tryNavigation({\n task: () => {\n opts.replaceState(path, state)\n notify({ type: 'REPLACE' })\n },\n navigateOpts,\n type: 'REPLACE',\n path,\n state,\n })\n },\n go: (index, navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.go(index)\n handleIndexChange({ type: 'GO', index })\n },\n navigateOpts,\n type: 'GO',\n })\n },\n back: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.back(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'BACK' })\n },\n navigateOpts,\n type: 'BACK',\n })\n },\n forward: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.forward(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'FORWARD' })\n },\n navigateOpts,\n type: 'FORWARD',\n })\n },\n canGoBack: () => location.state[stateIndexKey] !== 0,\n createHref: (str) => opts.createHref(str),\n block: (blocker) => {\n if (!opts.setBlockers) return () => {}\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers([...blockers, blocker])\n\n return () => {\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers?.(blockers.filter((b) => b !== blocker))\n }\n },\n flush: () => opts.flush?.(),\n destroy: () => opts.destroy?.(),\n notify,\n }\n}\n\nfunction assignKeyAndIndex(index: number, state: HistoryState | undefined) {\n if (!state) {\n state = {}\n }\n const key = createRandomKey()\n return {\n ...state,\n key, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: key,\n [stateIndexKey]: index,\n } as ParsedHistoryState\n}\n\n/**\n * Creates a history object that can be used to interact with the browser's\n * navigation. This is a lightweight API wrapping the browser's native methods.\n * It is designed to work with TanStack Router, but could be used as a standalone API as well.\n * IMPORTANT: This API implements history throttling via a microtask to prevent\n * excessive calls to the history API. In some browsers, calling history.pushState or\n * history.replaceState in quick succession can cause the browser to ignore subsequent\n * calls. This API smooths out those differences and ensures that your application\n * state will *eventually* match the browser state. In most cases, this is not a problem,\n * but if you need to ensure that the browser state is up to date, you can use the\n * `history.flush` method to immediately flush all pending state changes to the browser URL.\n * @param opts\n * @param opts.getHref A function that returns the current href (path + search + hash)\n * @param opts.createHref A function that takes a path and returns a href (path + search + hash)\n * @returns A history instance\n */\nexport function createBrowserHistory(opts?: {\n parseLocation?: () => HistoryLocation\n createHref?: (path: string) => string\n window?: any\n}): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n\n const originalPushState = win.history.pushState\n const originalReplaceState = win.history.replaceState\n\n let blockers: Array<NavigationBlocker> = []\n const _getBlockers = () => blockers\n const _setBlockers = (newBlockers: Array<NavigationBlocker>) =>\n (blockers = newBlockers)\n\n const createHref = opts?.createHref ?? ((path) => path)\n const parseLocation =\n opts?.parseLocation ??\n (() =>\n parseHref(\n `${win.location.pathname}${win.location.search}${win.location.hash}`,\n win.history.state,\n ))\n\n // Ensure there is always a key to start\n if (!win.history.state?.__TSR_key && !win.history.state?.key) {\n const addedKey = createRandomKey()\n win.history.replaceState(\n {\n [stateIndexKey]: 0,\n key: addedKey, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: addedKey,\n },\n '',\n )\n }\n\n let currentLocation = parseLocation()\n let rollbackLocation: HistoryLocation | undefined\n\n let nextPopIsGo = false\n let ignoreNextPop = false\n let skipBlockerNextPop = false\n let ignoreNextBeforeUnload = false\n\n const getLocation = () => currentLocation\n\n let next:\n | undefined\n | {\n // This is the latest location that we were attempting to push/replace\n href: string\n // This is the latest state that we were attempting to push/replace\n state: any\n // This is the latest type that we were attempting to push/replace\n isPush: boolean\n }\n\n // We need to track the current scheduled update to prevent\n // multiple updates from being scheduled at the same time.\n let scheduled: Promise<void> | undefined\n\n // This function flushes the next update to the browser history\n const flush = () => {\n if (!next) {\n return\n }\n\n // We need to ignore any updates to the subscribers while we update the browser history\n history._ignoreSubscribers = true\n\n // Update the browser history\n ;(next.isPush ? win.history.pushState : win.history.replaceState)(\n next.state,\n '',\n next.href,\n )\n\n // Stop ignoring subscriber updates\n history._ignoreSubscribers = false\n\n // Reset the nextIsPush flag and clear the scheduled update\n next = undefined\n scheduled = undefined\n rollbackLocation = undefined\n }\n\n // This function queues up a call to update the browser history\n const queueHistoryAction = (\n type: 'push' | 'replace',\n destHref: string,\n state: any,\n ) => {\n const href = createHref(destHref)\n\n if (!scheduled) {\n rollbackLocation = currentLocation\n }\n\n // Update the location in memory\n currentLocation = parseHref(destHref, state)\n\n // Keep track of the next location we need to flush to the URL\n next = {\n href,\n state,\n isPush: next?.isPush || type === 'push',\n }\n\n if (!scheduled) {\n // Schedule an update to the browser history\n scheduled = Promise.resolve().then(() => flush())\n }\n }\n\n // NOTE: this function can probably be removed\n const onPushPop = (type: 'PUSH' | 'REPLACE') => {\n currentLocation = parseLocation()\n history.notify({ type })\n }\n\n const onPushPopEvent = async () => {\n if (ignoreNextPop) {\n ignoreNextPop = false\n return\n }\n\n const nextLocation = parseLocation()\n const delta =\n nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey]\n const isForward = delta === 1\n const isBack = delta === -1\n const isGo = (!isForward && !isBack) || nextPopIsGo\n nextPopIsGo = false\n\n const action = isGo ? 'GO' : isBack ? 'BACK' : 'FORWARD'\n const notify: SubscriberHistoryAction = isGo\n ? {\n type: 'GO',\n index: delta,\n }\n : {\n type: isBack ? 'BACK' : 'FORWARD',\n }\n\n if (skipBlockerNextPop) {\n skipBlockerNextPop = false\n } else {\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const isBlocked = await blocker.blockerFn({\n currentLocation,\n nextLocation,\n action,\n })\n if (isBlocked) {\n ignoreNextPop = true\n win.history.go(1)\n history.notify(notify)\n return\n }\n }\n }\n }\n\n currentLocation = parseLocation()\n history.notify(notify)\n }\n\n const onBeforeUnload = (e: BeforeUnloadEvent) => {\n if (ignoreNextBeforeUnload) {\n ignoreNextBeforeUnload = false\n return\n }\n\n let shouldBlock = false\n\n // If one blocker has a non-disabled beforeUnload, we should block\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true\n if (shouldHaveBeforeUnload === true) {\n shouldBlock = true\n break\n }\n\n if (\n typeof shouldHaveBeforeUnload === 'function' &&\n shouldHaveBeforeUnload() === true\n ) {\n shouldBlock = true\n break\n }\n }\n }\n\n if (shouldBlock) {\n e.preventDefault()\n return (e.returnValue = '')\n }\n return\n }\n\n const history = createHistory({\n getLocation,\n getLength: () => win.history.length,\n pushState: (href, state) => queueHistoryAction('push', href, state),\n replaceState: (href, state) => queueHistoryAction('replace', href, state),\n back: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n return win.history.back()\n },\n forward: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n win.history.forward()\n },\n go: (n) => {\n nextPopIsGo = true\n win.history.go(n)\n },\n createHref: (href) => createHref(href),\n flush,\n destroy: () => {\n win.history.pushState = originalPushState\n win.history.replaceState = originalReplaceState\n win.removeEventListener(beforeUnloadEvent, onBeforeUnload, {\n capture: true,\n })\n win.removeEventListener(popStateEvent, onPushPopEvent)\n },\n onBlocked: () => {\n // If a navigation is blocked, we need to rollback the location\n // that we optimistically updated in memory.\n if (rollbackLocation && currentLocation !== rollbackLocation) {\n currentLocation = rollbackLocation\n }\n },\n getBlockers: _getBlockers,\n setBlockers: _setBlockers,\n notifyOnIndexChange: false,\n })\n\n win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true })\n win.addEventListener(popStateEvent, onPushPopEvent)\n\n win.history.pushState = function (...args: Array<any>) {\n const res = originalPushState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('PUSH')\n return res\n }\n\n win.history.replaceState = function (...args: Array<any>) {\n const res = originalReplaceState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('REPLACE')\n return res\n }\n\n return history\n}\n\n/**\n * Create a hash-based history implementation.\n * Useful for static hosts or environments without server URL rewriting.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createHashHistory(opts?: { window?: any }): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n return createBrowserHistory({\n window: win,\n parseLocation: () => {\n const hashSplit = win.location.hash.split('#').slice(1)\n const pathPart = hashSplit[0] ?? '/'\n const searchPart = win.location.search\n const hashEntries = hashSplit.slice(1)\n const hashPart =\n hashEntries.length === 0 ? '' : `#${hashEntries.join('#')}`\n const hashHref = `${pathPart}${searchPart}${hashPart}`\n return parseHref(hashHref, win.history.state)\n },\n createHref: (href) =>\n `${win.location.pathname}${win.location.search}#${href}`,\n })\n}\n\n/**\n * Create an in-memory history implementation.\n * Ideal for server rendering, tests, and non-DOM environments.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createMemoryHistory(\n opts: {\n initialEntries: Array<string>\n initialIndex?: number\n } = {\n initialEntries: ['/'],\n },\n): RouterHistory {\n const entries = opts.initialEntries\n let index = opts.initialIndex\n ? Math.min(Math.max(opts.initialIndex, 0), entries.length - 1)\n : entries.length - 1\n const states = entries.map((_entry, index) =>\n assignKeyAndIndex(index, undefined),\n )\n\n const getLocation = () => parseHref(entries[index]!, states[index])\n\n let blockers: Array<NavigationBlocker> = []\n const _getBlockers = () => blockers\n const _setBlockers = (newBlockers: Array<NavigationBlocker>) =>\n (blockers = newBlockers)\n\n return createHistory({\n getLocation,\n getLength: () => entries.length,\n pushState: (path, state) => {\n // Removes all subsequent entries after the current index to start a new branch\n if (index < entries.length - 1) {\n entries.splice(index + 1)\n states.splice(index + 1)\n }\n states.push(state)\n entries.push(path)\n index = Math.max(entries.length - 1, 0)\n },\n replaceState: (path, state) => {\n states[index] = state\n entries[index] = path\n },\n back: () => {\n index = Math.max(index - 1, 0)\n },\n forward: () => {\n index = Math.min(index + 1, entries.length - 1)\n },\n go: (n) => {\n index = Math.min(Math.max(index + n, 0), entries.length - 1)\n },\n createHref: (path) => path,\n getBlockers: _getBlockers,\n setBlockers: _setBlockers,\n })\n}\n\n/**\n * Sanitize a path to prevent open redirect vulnerabilities.\n * Removes control characters and collapses leading double slashes.\n */\nfunction sanitizePath(path: string): string {\n // Remove ASCII control characters (0x00-0x1F) and DEL (0x7F)\n // These include CR (\\r = 0x0D), LF (\\n = 0x0A), and other potentially dangerous characters\n // eslint-disable-next-line no-control-regex\n let sanitized = path.replace(/[\\x00-\\x1f\\x7f]/g, '')\n\n // Prevent open redirect via protocol-relative URLs (e.g. \"//evil.com\")\n // Collapse leading double slashes to a single slash\n if (sanitized.startsWith('//')) {\n sanitized = '/' + sanitized.replace(/^\\/+/, '')\n }\n\n return sanitized\n}\n\nexport function parseHref(\n href: string,\n state: ParsedHistoryState | undefined,\n): HistoryLocation {\n const sanitizedHref = sanitizePath(href)\n const hashIndex = sanitizedHref.indexOf('#')\n const searchIndex = sanitizedHref.indexOf('?')\n\n const addedKey = createRandomKey()\n\n return {\n href: sanitizedHref,\n pathname: sanitizedHref.substring(\n 0,\n hashIndex > 0\n ? searchIndex > 0\n ? Math.min(hashIndex, searchIndex)\n : hashIndex\n : searchIndex > 0\n ? searchIndex\n : sanitizedHref.length,\n ),\n hash: hashIndex > -1 ? sanitizedHref.substring(hashIndex) : '',\n search:\n searchIndex > -1\n ? sanitizedHref.slice(\n searchIndex,\n hashIndex === -1 ? undefined : hashIndex,\n )\n : '',\n state: state || { [stateIndexKey]: 0, key: addedKey, __TSR_key: addedKey },\n }\n}\n\n// Thanks co-pilot!\nfunction createRandomKey() {\n return (Math.random() + 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{"version":3,"file":"index.js","names":[],"sources":["../../src/index.ts"],"sourcesContent":["// While the public API was clearly inspired by the \"history\" npm package,\n// This implementation attempts to be more lightweight by\n// making assumptions about the way TanStack Router works\n\nexport interface NavigateOptions {\n ignoreBlocker?: boolean\n}\n\ntype SubscriberHistoryAction =\n | {\n type: Exclude<HistoryAction, 'GO'>\n }\n | {\n type: 'GO'\n index: number\n }\n\ntype SubscriberArgs = {\n location: HistoryLocation\n action: SubscriberHistoryAction\n}\n\nexport interface RouterHistory {\n location: HistoryLocation\n length: number\n subscribers: Set<(opts: SubscriberArgs) => void>\n subscribe: (cb: (opts: SubscriberArgs) => void) => () => void\n push: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n replace: (path: string, state?: any, navigateOpts?: NavigateOptions) => void\n go: (index: number, navigateOpts?: NavigateOptions) => void\n back: (navigateOpts?: NavigateOptions) => void\n forward: (navigateOpts?: NavigateOptions) => void\n canGoBack: () => boolean\n createHref: (href: string) => string\n block: (blocker: NavigationBlocker) => () => void\n flush: () => void\n destroy: () => void\n notify: (action: SubscriberHistoryAction) => void\n _ignoreSubscribers?: boolean\n}\n\nexport interface HistoryLocation extends ParsedPath {\n state: ParsedHistoryState\n}\n\nexport interface ParsedPath {\n href: string\n pathname: string\n search: string\n hash: string\n}\n\nexport interface HistoryState {}\n\nexport type ParsedHistoryState = HistoryState & {\n key?: string // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key?: string\n __TSR_index: number\n}\n\ntype ShouldAllowNavigation = any\n\nexport type HistoryAction = 'PUSH' | 'REPLACE' | 'FORWARD' | 'BACK' | 'GO'\n\nexport type BlockerFnArgs = {\n currentLocation: HistoryLocation\n nextLocation: HistoryLocation\n action: HistoryAction\n}\n\nexport type BlockerFn = (\n args: BlockerFnArgs,\n) => Promise<ShouldAllowNavigation> | ShouldAllowNavigation\n\nexport type NavigationBlocker = {\n blockerFn: BlockerFn\n enableBeforeUnload?: (() => boolean) | boolean\n}\n\ntype TryNavigateArgs = {\n task: () => void\n type: 'PUSH' | 'REPLACE' | 'BACK' | 'FORWARD' | 'GO'\n navigateOpts?: NavigateOptions\n} & (\n | {\n type: 'PUSH' | 'REPLACE'\n path: string\n state: any\n }\n | {\n type: 'BACK' | 'FORWARD' | 'GO'\n }\n)\n\nconst stateIndexKey = '__TSR_index'\nconst popStateEvent = 'popstate'\nconst beforeUnloadEvent = 'beforeunload'\n\nexport function createHistory(opts: {\n getLocation: () => HistoryLocation\n getLength: () => number\n pushState: (path: string, state: any) => void\n replaceState: (path: string, state: any) => void\n go: (n: number) => void\n back: (ignoreBlocker: boolean) => void\n forward: (ignoreBlocker: boolean) => void\n createHref: (path: string) => string\n flush?: () => void\n destroy?: () => void\n onBlocked?: () => void\n getBlockers?: () => Array<NavigationBlocker>\n setBlockers?: (blockers: Array<NavigationBlocker>) => void\n // Avoid notifying on forward/back/go, used for browser history as we already get notified by the popstate event\n notifyOnIndexChange?: boolean\n}): RouterHistory {\n let location = opts.getLocation()\n const subscribers = new Set<(opts: SubscriberArgs) => void>()\n\n const notify = (action: SubscriberHistoryAction) => {\n location = opts.getLocation()\n subscribers.forEach((subscriber) => subscriber({ location, action }))\n }\n\n const handleIndexChange = (action: SubscriberHistoryAction) => {\n if (opts.notifyOnIndexChange ?? true) notify(action)\n else location = opts.getLocation()\n }\n\n const tryNavigation = async ({\n task,\n navigateOpts,\n ...actionInfo\n }: TryNavigateArgs) => {\n const ignoreBlocker = navigateOpts?.ignoreBlocker ?? false\n if (ignoreBlocker) {\n task()\n return\n }\n\n const blockers = opts.getBlockers?.() ?? []\n const isPushOrReplace =\n actionInfo.type === 'PUSH' || actionInfo.type === 'REPLACE'\n if (typeof document !== 'undefined' && blockers.length && isPushOrReplace) {\n for (const blocker of blockers) {\n const nextLocation = parseHref(actionInfo.path, actionInfo.state)\n const isBlocked = await blocker.blockerFn({\n currentLocation: location,\n nextLocation,\n action: actionInfo.type,\n })\n if (isBlocked) {\n opts.onBlocked?.()\n return\n }\n }\n }\n\n task()\n }\n\n return {\n get location() {\n return location\n },\n get length() {\n return opts.getLength()\n },\n subscribers,\n subscribe: (cb: (opts: SubscriberArgs) => void) => {\n subscribers.add(cb)\n\n return () => {\n subscribers.delete(cb)\n }\n },\n push: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex + 1, state)\n tryNavigation({\n task: () => {\n opts.pushState(path, state)\n notify({ type: 'PUSH' })\n },\n navigateOpts,\n type: 'PUSH',\n path,\n state,\n })\n },\n replace: (path, state, navigateOpts) => {\n const currentIndex = location.state[stateIndexKey]\n state = assignKeyAndIndex(currentIndex, state)\n tryNavigation({\n task: () => {\n opts.replaceState(path, state)\n notify({ type: 'REPLACE' })\n },\n navigateOpts,\n type: 'REPLACE',\n path,\n state,\n })\n },\n go: (index, navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.go(index)\n handleIndexChange({ type: 'GO', index })\n },\n navigateOpts,\n type: 'GO',\n })\n },\n back: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.back(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'BACK' })\n },\n navigateOpts,\n type: 'BACK',\n })\n },\n forward: (navigateOpts) => {\n tryNavigation({\n task: () => {\n opts.forward(navigateOpts?.ignoreBlocker ?? false)\n handleIndexChange({ type: 'FORWARD' })\n },\n navigateOpts,\n type: 'FORWARD',\n })\n },\n canGoBack: () => location.state[stateIndexKey] !== 0,\n createHref: (str) => opts.createHref(str),\n block: (blocker) => {\n if (!opts.setBlockers) return () => {}\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers([...blockers, blocker])\n\n return () => {\n const blockers = opts.getBlockers?.() ?? []\n opts.setBlockers?.(blockers.filter((b) => b !== blocker))\n }\n },\n flush: () => opts.flush?.(),\n destroy: () => opts.destroy?.(),\n notify,\n }\n}\n\nfunction assignKeyAndIndex(index: number, state: HistoryState | undefined) {\n if (!state) {\n state = {}\n }\n const key = createRandomKey()\n return {\n ...state,\n key, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: key,\n [stateIndexKey]: index,\n } as ParsedHistoryState\n}\n\n/**\n * Creates a history object that can be used to interact with the browser's\n * navigation. This is a lightweight API wrapping the browser's native methods.\n * It is designed to work with TanStack Router, but could be used as a standalone API as well.\n * IMPORTANT: This API implements history throttling via a microtask to prevent\n * excessive calls to the history API. In some browsers, calling history.pushState or\n * history.replaceState in quick succession can cause the browser to ignore subsequent\n * calls. This API smooths out those differences and ensures that your application\n * state will *eventually* match the browser state. In most cases, this is not a problem,\n * but if you need to ensure that the browser state is up to date, you can use the\n * `history.flush` method to immediately flush all pending state changes to the browser URL.\n * @param opts\n * @param opts.getHref A function that returns the current href (path + search + hash)\n * @param opts.createHref A function that takes a path and returns a href (path + search + hash)\n * @returns A history instance\n */\nexport function createBrowserHistory(opts?: {\n parseLocation?: () => HistoryLocation\n createHref?: (path: string) => string\n window?: any\n}): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n\n const originalPushState = win.history.pushState\n const originalReplaceState = win.history.replaceState\n\n let blockers: Array<NavigationBlocker> = []\n const _getBlockers = () => blockers\n const _setBlockers = (newBlockers: Array<NavigationBlocker>) =>\n (blockers = newBlockers)\n\n const createHref = opts?.createHref ?? ((path) => path)\n const parseLocation =\n opts?.parseLocation ??\n (() =>\n parseHref(\n `${win.location.pathname}${win.location.search}${win.location.hash}`,\n win.history.state,\n ))\n\n // Ensure there is always a key to start\n if (!win.history.state?.__TSR_key && !win.history.state?.key) {\n const addedKey = createRandomKey()\n win.history.replaceState(\n {\n [stateIndexKey]: 0,\n key: addedKey, // TODO: Remove in v2 - use __TSR_key instead\n __TSR_key: addedKey,\n },\n '',\n )\n }\n\n let currentLocation = parseLocation()\n let rollbackLocation: HistoryLocation | undefined\n\n let nextPopIsGo = false\n let ignoreNextPop = false\n let skipBlockerNextPop = false\n let ignoreNextBeforeUnload = false\n\n const getLocation = () => currentLocation\n\n let next:\n | undefined\n | {\n // This is the latest location that we were attempting to push/replace\n href: string\n // This is the latest state that we were attempting to push/replace\n state: any\n // This is the latest type that we were attempting to push/replace\n isPush: boolean\n }\n\n // We need to track the current scheduled update to prevent\n // multiple updates from being scheduled at the same time.\n let scheduled: Promise<void> | undefined\n\n // This function flushes the next update to the browser history\n const flush = () => {\n if (!next) {\n return\n }\n\n // We need to ignore any updates to the subscribers while we update the browser history\n history._ignoreSubscribers = true\n\n // Update the browser history\n ;(next.isPush ? win.history.pushState : win.history.replaceState)(\n next.state,\n '',\n next.href,\n )\n\n // Stop ignoring subscriber updates\n history._ignoreSubscribers = false\n\n // Reset the nextIsPush flag and clear the scheduled update\n next = undefined\n scheduled = undefined\n rollbackLocation = undefined\n }\n\n // This function queues up a call to update the browser history\n const queueHistoryAction = (\n type: 'push' | 'replace',\n destHref: string,\n state: any,\n ) => {\n const href = createHref(destHref)\n\n if (!scheduled) {\n rollbackLocation = currentLocation\n }\n\n // Update the location in memory\n currentLocation = parseHref(destHref, state)\n\n // Keep track of the next location we need to flush to the URL\n next = {\n href,\n state,\n isPush: next?.isPush || type === 'push',\n }\n\n if (!scheduled) {\n // Schedule an update to the browser history\n scheduled = Promise.resolve().then(() => flush())\n }\n }\n\n // NOTE: this function can probably be removed\n const onPushPop = (type: 'PUSH' | 'REPLACE') => {\n currentLocation = parseLocation()\n history.notify({ type })\n }\n\n const onPushPopEvent = async () => {\n if (ignoreNextPop) {\n ignoreNextPop = false\n return\n }\n\n const nextLocation = parseLocation()\n const delta =\n nextLocation.state[stateIndexKey] - currentLocation.state[stateIndexKey]\n const isForward = delta === 1\n const isBack = delta === -1\n const isGo = (!isForward && !isBack) || nextPopIsGo\n nextPopIsGo = false\n\n const action = isGo ? 'GO' : isBack ? 'BACK' : 'FORWARD'\n const notify: SubscriberHistoryAction = isGo\n ? {\n type: 'GO',\n index: delta,\n }\n : {\n type: isBack ? 'BACK' : 'FORWARD',\n }\n\n if (skipBlockerNextPop) {\n skipBlockerNextPop = false\n } else {\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const isBlocked = await blocker.blockerFn({\n currentLocation,\n nextLocation,\n action,\n })\n if (isBlocked) {\n ignoreNextPop = true\n win.history.go(1)\n history.notify(notify)\n return\n }\n }\n }\n }\n\n currentLocation = parseLocation()\n history.notify(notify)\n }\n\n const onBeforeUnload = (e: BeforeUnloadEvent) => {\n if (ignoreNextBeforeUnload) {\n ignoreNextBeforeUnload = false\n return\n }\n\n let shouldBlock = false\n\n // If one blocker has a non-disabled beforeUnload, we should block\n const blockers = _getBlockers()\n if (typeof document !== 'undefined' && blockers.length) {\n for (const blocker of blockers) {\n const shouldHaveBeforeUnload = blocker.enableBeforeUnload ?? true\n if (shouldHaveBeforeUnload === true) {\n shouldBlock = true\n break\n }\n\n if (\n typeof shouldHaveBeforeUnload === 'function' &&\n shouldHaveBeforeUnload() === true\n ) {\n shouldBlock = true\n break\n }\n }\n }\n\n if (shouldBlock) {\n e.preventDefault()\n return (e.returnValue = '')\n }\n return\n }\n\n const history = createHistory({\n getLocation,\n getLength: () => win.history.length,\n pushState: (href, state) => queueHistoryAction('push', href, state),\n replaceState: (href, state) => queueHistoryAction('replace', href, state),\n back: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n return win.history.back()\n },\n forward: (ignoreBlocker) => {\n if (ignoreBlocker) skipBlockerNextPop = true\n ignoreNextBeforeUnload = true\n win.history.forward()\n },\n go: (n) => {\n nextPopIsGo = true\n win.history.go(n)\n },\n createHref: (href) => createHref(href),\n flush,\n destroy: () => {\n win.history.pushState = originalPushState\n win.history.replaceState = originalReplaceState\n win.removeEventListener(beforeUnloadEvent, onBeforeUnload, {\n capture: true,\n })\n win.removeEventListener(popStateEvent, onPushPopEvent)\n },\n onBlocked: () => {\n // If a navigation is blocked, we need to rollback the location\n // that we optimistically updated in memory.\n if (rollbackLocation && currentLocation !== rollbackLocation) {\n currentLocation = rollbackLocation\n }\n },\n getBlockers: _getBlockers,\n setBlockers: _setBlockers,\n notifyOnIndexChange: false,\n })\n\n win.addEventListener(beforeUnloadEvent, onBeforeUnload, { capture: true })\n win.addEventListener(popStateEvent, onPushPopEvent)\n\n win.history.pushState = function (...args: Array<any>) {\n const res = originalPushState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('PUSH')\n return res\n }\n\n win.history.replaceState = function (...args: Array<any>) {\n const res = originalReplaceState.apply(win.history, args as any)\n if (!history._ignoreSubscribers) onPushPop('REPLACE')\n return res\n }\n\n return history\n}\n\n/**\n * Create a hash-based history implementation.\n * Useful for static hosts or environments without server URL rewriting.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createHashHistory(opts?: { window?: any }): RouterHistory {\n const win =\n opts?.window ??\n (typeof document !== 'undefined' ? window : (undefined as any))\n return createBrowserHistory({\n window: win,\n parseLocation: () => {\n const hashSplit = win.location.hash.split('#').slice(1)\n const pathPart = hashSplit[0] ?? '/'\n const searchPart = win.location.search\n const hashEntries = hashSplit.slice(1)\n const hashPart =\n hashEntries.length === 0 ? '' : `#${hashEntries.join('#')}`\n const hashHref = `${pathPart}${searchPart}${hashPart}`\n return parseHref(hashHref, win.history.state)\n },\n createHref: (href) =>\n `${win.location.pathname}${win.location.search}#${href}`,\n })\n}\n\n/**\n * Create an in-memory history implementation.\n * Ideal for server rendering, tests, and non-DOM environments.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/history-types\n */\nexport function createMemoryHistory(\n opts: {\n initialEntries: Array<string>\n initialIndex?: number\n } = {\n initialEntries: ['/'],\n },\n): RouterHistory {\n const entries = opts.initialEntries\n let index = opts.initialIndex\n ? 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{
"name": "@tanstack/history",
"version": "1.161.5",
"version": "1.161.6",
"description": "Modern and scalable routing for React applications",

@@ -5,0 +5,0 @@ "author": "Tanner Linsley",