@sls-next/core/dist/module/build/ssr.js

Handles Next.js routing independent of provider

import { addDefaultLocaleToPath } from "../route/locale";
/*
 * Dynamic SSR + dynamic SSG fallback + dynamic SSG with ISR
 */
const filterDynamic = (manifest) => {
    const isrSources = {};
    for (const ssg of Object.values(manifest.pages.ssg.nonDynamic)) {
        if (ssg.initialRevalidateSeconds && ssg.srcRoute) {
            isrSources[ssg.srcRoute] = true;
        }
    }
    return Object.fromEntries(Object.entries(manifest.pages.ssr.dynamic).filter(([key]) => {
        const dynamicSSG = manifest.pages.ssg.dynamic[key];
        return !dynamicSSG || dynamicSSG.fallback !== false || isrSources[key];
    }));
};
/*
 * Non-dynamic SSR + non-dynamic SSG with ISR
 */
const filterNonDynamic = (manifest, routesManifest) => {
    const ssgPages = manifest.pages.ssg.nonDynamic;
    return Object.fromEntries(Object.entries(manifest.pages.ssr.nonDynamic).filter(([key]) => {
        const nonDynamicSSG = ssgPages[key] || ssgPages[addDefaultLocaleToPath(key, routesManifest)];
        return !nonDynamicSSG || nonDynamicSSG.initialRevalidateSeconds;
    }));
};
/*
 * Keeps only required SSR pages.
 */
export const usedSSR = (manifest, routesManifest) => {
    // If there are API pages, preview mode is possible meaning everything has to be kept
    if (manifest.hasApiPages) {
        return manifest.pages.ssr;
    }
    return {
        dynamic: filterDynamic(manifest),
        nonDynamic: filterNonDynamic(manifest, routesManifest)
    };
};