next/dist/esm/server/require.js

The React Framework

import path from 'path';
import { PAGES_MANIFEST, SERVER_DIRECTORY, APP_PATHS_MANIFEST } from '../shared/lib/constants';
import { normalizeLocalePath } from '../shared/lib/i18n/normalize-locale-path';
import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path';
import { denormalizePagePath } from '../shared/lib/page-path/denormalize-page-path';
import { PageNotFoundError, MissingStaticPage } from '../shared/lib/utils';
import { LRUCache } from '../server/lib/lru-cache';
import { loadManifest } from './load-manifest';
import { promises } from 'fs';
const isDev = process.env.NODE_ENV === 'development';
const pagePathCache = !isDev ? new LRUCache(1000) : null;
export function getMaybePagePath(page, distDir, locales, isAppPath) {
    const cacheKey = `${page}:${distDir}:${locales}:${isAppPath}`;
    let pagePath = pagePathCache == null ? void 0 : pagePathCache.get(cacheKey);
    // If we have a cached path, we can return it directly.
    if (pagePath) return pagePath;
    const serverBuildPath = path.join(distDir, SERVER_DIRECTORY);
    let appPathsManifest;
    if (isAppPath) {
        appPathsManifest = loadManifest(path.join(serverBuildPath, APP_PATHS_MANIFEST), !isDev);
    }
    const pagesManifest = loadManifest(path.join(serverBuildPath, PAGES_MANIFEST), !isDev);
    try {
        page = denormalizePagePath(normalizePagePath(page));
    } catch (err) {
        console.error(err);
        throw new PageNotFoundError(page);
    }
    const checkManifest = (manifest)=>{
        let curPath = manifest[page];
        if (!manifest[curPath] && locales) {
            const manifestNoLocales = {};
            for (const key of Object.keys(manifest)){
                manifestNoLocales[normalizeLocalePath(key, locales).pathname] = pagesManifest[key];
            }
            curPath = manifestNoLocales[page];
        }
        return curPath;
    };
    if (appPathsManifest) {
        pagePath = checkManifest(appPathsManifest);
    }
    if (!pagePath) {
        pagePath = checkManifest(pagesManifest);
    }
    if (!pagePath) {
        pagePathCache == null ? void 0 : pagePathCache.set(cacheKey, null);
        return null;
    }
    pagePath = path.join(serverBuildPath, pagePath);
    pagePathCache == null ? void 0 : pagePathCache.set(cacheKey, pagePath);
    return pagePath;
}
export function getPagePath(page, distDir, locales, isAppPath) {
    const pagePath = getMaybePagePath(page, distDir, locales, isAppPath);
    if (!pagePath) {
        throw new PageNotFoundError(page);
    }
    return pagePath;
}
export async function requirePage(page, distDir, isAppPath) {
    const pagePath = getPagePath(page, distDir, undefined, isAppPath);
    if (pagePath.endsWith('.html')) {
        return promises.readFile(pagePath, 'utf8').catch((err)=>{
            throw new MissingStaticPage(page, err.message);
        });
    }
    // since require is synchronous we can set the specific runtime
    // we are requiring for the require-hook and then clear after
    try {
        process.env.__NEXT_PRIVATE_RUNTIME_TYPE = isAppPath ? 'app' : 'pages';
        const mod = process.env.NEXT_MINIMAL ? __non_webpack_require__(pagePath) : require(pagePath);
        return mod;
    } finally{
        process.env.__NEXT_PRIVATE_RUNTIME_TYPE = '';
    }
}

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