next/dist/client/components/router-reducer/apply-flight-data.js

The React Framework

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "applyFlightData", {
    enumerable: true,
    get: function() {
        return applyFlightData;
    }
});
const _filllazyitemstillleafwithhead = require("./fill-lazy-items-till-leaf-with-head");
const _fillcachewithnewsubtreedata = require("./fill-cache-with-new-subtree-data");
function applyFlightData(navigatedAt, existingCache, cache, flightData, prefetchEntry) {
    // The one before last item is the router state tree patch
    const { tree: treePatch, seedData, head, isRootRender } = flightData;
    // Handles case where prefetch only returns the router tree patch without rendered components.
    if (seedData === null) {
        return false;
    }
    if (isRootRender) {
        const rsc = seedData[1];
        const loading = seedData[3];
        cache.loading = loading;
        cache.rsc = rsc;
        // This is a PPR-only field. When PPR is enabled, we shouldn't hit
        // this path during a navigation, but until PPR is fully implemented
        // yet it's possible the existing node does have a non-null
        // `prefetchRsc`. As an incremental step, we'll just de-opt to the
        // old behavior — no PPR value.
        cache.prefetchRsc = null;
        (0, _filllazyitemstillleafwithhead.fillLazyItemsTillLeafWithHead)(navigatedAt, cache, existingCache, treePatch, seedData, head, prefetchEntry);
    } else {
        // Copy rsc for the root node of the cache.
        cache.rsc = existingCache.rsc;
        // This is a PPR-only field. Unlike the previous branch, since we're
        // just cloning the existing cache node, we might as well keep the
        // PPR value, if it exists.
        cache.prefetchRsc = existingCache.prefetchRsc;
        cache.parallelRoutes = new Map(existingCache.parallelRoutes);
        cache.loading = existingCache.loading;
        // Create a copy of the existing cache with the rsc applied.
        (0, _fillcachewithnewsubtreedata.fillCacheWithNewSubTreeData)(navigatedAt, cache, existingCache, flightData, prefetchEntry);
    }
    return true;
}

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;
}

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