next
Version:
The React Framework
54 lines (52 loc) • 2.59 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "restoreReducer", {
enumerable: true,
get: function() {
return restoreReducer;
}
});
const _createhreffromurl = require("../create-href-from-url");
const _computechangedpath = require("../compute-changed-path");
const _pprnavigations = require("../ppr-navigations");
function restoreReducer(state, action) {
const { url, tree } = action;
const href = (0, _createhreffromurl.createHrefFromUrl)(url);
// This action is used to restore the router state from the history state.
// However, it's possible that the history state no longer contains the `FlightRouterState`.
// We will copy over the internal state on pushState/replaceState events, but if a history entry
// occurred before hydration, or if the user navigated to a hash using a regular anchor link,
// the history state will not contain the `FlightRouterState`.
// In this case, we'll continue to use the existing tree so the router doesn't get into an invalid state.
const treeToRestore = tree || state.tree;
const oldCache = state.cache;
const newCache = process.env.__NEXT_PPR ? // data for any segment whose dynamic data was already received. This
// prevents an unnecessary flash back to PPR state during a
// back/forward navigation.
(0, _pprnavigations.updateCacheNodeOnPopstateRestoration)(oldCache, treeToRestore) : oldCache;
var _extractPathFromFlightRouterState;
return {
// Set canonical url
canonicalUrl: href,
pushRef: {
pendingPush: false,
mpaNavigation: false,
// Ensures that the custom history state that was set is preserved when applying this update.
preserveCustomHistoryState: true
},
focusAndScrollRef: state.focusAndScrollRef,
cache: newCache,
prefetchCache: state.prefetchCache,
// Restore provided tree
tree: treeToRestore,
nextUrl: (_extractPathFromFlightRouterState = (0, _computechangedpath.extractPathFromFlightRouterState)(treeToRestore)) != null ? _extractPathFromFlightRouterState : url.pathname
};
}
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
Object.defineProperty(exports.default, '__esModule', { value: true });
Object.assign(exports.default, exports);
module.exports = exports.default;
}
//# sourceMappingURL=restore-reducer.js.map