main repo

node_modules/next/dist/client/components/router-reducer/reducers/server-patch-reducer.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "serverPatchReducer", {
+    enumerable: true,
+    get: function() {
+        return serverPatchReducer;
+    }
+});
+const _createhreffromurl = require("../create-href-from-url");
+const _applyrouterstatepatchtotree = require("../apply-router-state-patch-to-tree");
+const _isnavigatingtonewrootlayout = require("../is-navigating-to-new-root-layout");
+const _navigatereducer = require("./navigate-reducer");
+const _applyflightdata = require("../apply-flight-data");
+const _handlemutable = require("../handle-mutable");
+function serverPatchReducer(state, action) {
+    const { flightData, previousTree, overrideCanonicalUrl, cache, mutable } = action;
+    const isForCurrentTree = JSON.stringify(previousTree) === JSON.stringify(state.tree);
+    // When a fetch is slow to resolve it could be that you navigated away while the request was happening or before the reducer runs.
+    // In that case opt-out of applying the patch given that the data could be stale.
+    if (!isForCurrentTree) {
+        // TODO-APP: Handle tree mismatch
+        console.log("TREE MISMATCH");
+        // Keep everything as-is.
+        return state;
+    }
+    if (mutable.previousTree) {
+        return (0, _handlemutable.handleMutable)(state, mutable);
+    }
+    // Handle case when navigating to page in `pages` from `app`
+    if (typeof flightData === "string") {
+        return (0, _navigatereducer.handleExternalUrl)(state, mutable, flightData, state.pushRef.pendingPush);
+    }
+    let currentTree = state.tree;
+    let currentCache = state.cache;
+    for (const flightDataPath of flightData){
+        // Slices off the last segment (which is at -4) as it doesn't exist in the tree yet
+        const flightSegmentPath = flightDataPath.slice(0, -4);
+        const [treePatch] = flightDataPath.slice(-3, -2);
+        const newTree = (0, _applyrouterstatepatchtotree.applyRouterStatePatchToTree)(// TODO-APP: remove ''
+        [
+            "",
+            ...flightSegmentPath
+        ], currentTree, treePatch);
+        if (newTree === null) {
+            throw new Error("SEGMENT MISMATCH");
+        }
+        if ((0, _isnavigatingtonewrootlayout.isNavigatingToNewRootLayout)(currentTree, newTree)) {
+            return (0, _navigatereducer.handleExternalUrl)(state, mutable, state.canonicalUrl, state.pushRef.pendingPush);
+        }
+        const canonicalUrlOverrideHref = overrideCanonicalUrl ? (0, _createhreffromurl.createHrefFromUrl)(overrideCanonicalUrl) : undefined;
+        if (canonicalUrlOverrideHref) {
+            mutable.canonicalUrl = canonicalUrlOverrideHref;
+        }
+        (0, _applyflightdata.applyFlightData)(currentCache, cache, flightDataPath);
+        mutable.previousTree = currentTree;
+        mutable.patchedTree = newTree;
+        mutable.cache = cache;
+        currentCache = cache;
+        currentTree = newTree;
+    }
+    return (0, _handlemutable.handleMutable)(state, mutable);
+}
+
+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=server-patch-reducer.js.map