/opt/canhelp/node_modules/next/dist/esm/server
Edit: /opt/canhelp/node_modules/next/dist/esm/server/load-components.js (6205B)
import { BUILD_MANIFEST, REACT_LOADABLE_MANIFEST, CLIENT_REFERENCE_MANIFEST, SERVER_REFERENCE_MANIFEST, DYNAMIC_CSS_MANIFEST, SUBRESOURCE_INTEGRITY_MANIFEST } from '../shared/lib/constants';
import { join } from 'path';
import { requirePage } from './require';
import { interopDefault } from '../lib/interop-default';
import { getTracer } from './lib/trace/tracer';
import { LoadComponentsSpan } from './lib/trace/constants';
import { evalManifest, loadManifest } from './load-manifest.external';
import { wait } from '../lib/wait';
import { setReferenceManifestsSingleton } from './app-render/encryption-utils';
import { createServerModuleMap } from './app-render/action-utils';
import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path';
import { isStaticMetadataRoute } from '../lib/metadata/is-metadata-route';
/**
* Load manifest file with retries, defaults to 3 attempts.
*/ export async function loadManifestWithRetries(manifestPath, attempts = 3) {
while(true){
try {
return loadManifest(manifestPath);
} catch (err) {
attempts--;
if (attempts <= 0) throw err;
await wait(100);
}
}
}
/**
* Load manifest file with retries, defaults to 3 attempts, or return undefined.
*/ export async function tryLoadManifestWithRetries(manifestPath, attempts = 3) {
try {
return await loadManifestWithRetries(manifestPath, attempts);
} catch (err) {
return undefined;
}
}
/**
* Load manifest file with retries, defaults to 3 attempts.
*/ export async function evalManifestWithRetries(manifestPath, attempts = 3) {
while(true){
try {
return evalManifest(manifestPath);
} catch (err) {
attempts--;
if (attempts <= 0) throw err;
await wait(100);
}
}
}
async function tryLoadClientReferenceManifest(manifestPath, entryName, attempts) {
try {
const context = await evalManifestWithRetries(manifestPath, attempts);
return context.__RSC_MANIFEST[entryName];
} catch (err) {
return undefined;
}
}
async function loadComponentsImpl({ distDir, page, isAppPath, isDev, sriEnabled }) {
let DocumentMod = {};
let AppMod = {};
if (!isAppPath) {
;
[DocumentMod, AppMod] = await Promise.all([
requirePage('/_document', distDir, false),
requirePage('/_app', distDir, false)
]);
}
// In dev mode we retry loading a manifest file to handle a race condition
// that can occur while app and pages are compiling at the same time, and the
// build-manifest is still being written to disk while an app path is
// attempting to load.
const manifestLoadAttempts = isDev ? 3 : 1;
let reactLoadableManifestPath;
if (!process.env.TURBOPACK) {
reactLoadableManifestPath = join(distDir, REACT_LOADABLE_MANIFEST);
} else if (isAppPath) {
reactLoadableManifestPath = join(distDir, 'server', 'app', page, REACT_LOADABLE_MANIFEST);
} else {
reactLoadableManifestPath = join(distDir, 'server', 'pages', normalizePagePath(page), REACT_LOADABLE_MANIFEST);
}
// Make sure to avoid loading the manifest for static metadata routes for better performance.
const hasClientManifest = !isStaticMetadataRoute(page);
// Load the manifest files first
//
// Loading page-specific manifests shouldn't throw an error if the manifest couldn't be found, so
// that the `requirePage` call below will throw the correct error in that case
// (a `PageNotFoundError`).
const [buildManifest, reactLoadableManifest, dynamicCssManifest, clientReferenceManifest, serverActionsManifest, subresourceIntegrityManifest] = await Promise.all([
loadManifestWithRetries(join(distDir, BUILD_MANIFEST), manifestLoadAttempts),
tryLoadManifestWithRetries(reactLoadableManifestPath, manifestLoadAttempts),
// This manifest will only exist in Pages dir && Production && Webpack.
isAppPath || process.env.TURBOPACK ? undefined : loadManifestWithRetries(join(distDir, `${DYNAMIC_CSS_MANIFEST}.json`), manifestLoadAttempts).catch(()=>undefined),
isAppPath && hasClientManifest ? tryLoadClientReferenceManifest(join(distDir, 'server', 'app', page.replace(/%5F/g, '_') + '_' + CLIENT_REFERENCE_MANIFEST + '.js'), page.replace(/%5F/g, '_'), manifestLoadAttempts) : undefined,
isAppPath ? loadManifestWithRetries(join(distDir, 'server', SERVER_REFERENCE_MANIFEST + '.json'), manifestLoadAttempts).catch(()=>null) : null,
sriEnabled ? loadManifestWithRetries(join(distDir, 'server', SUBRESOURCE_INTEGRITY_MANIFEST + '.json')).catch(()=>undefined) : undefined
]);
// Before requiring the actual page module, we have to set the reference
// manifests to our global store so Server Action's encryption util can access
// to them at the top level of the page module.
if (serverActionsManifest && clientReferenceManifest) {
setReferenceManifestsSingleton({
page,
clientReferenceManifest,
serverActionsManifest,
serverModuleMap: createServerModuleMap({
serverActionsManifest
})
});
}
const ComponentMod = await requirePage(page, distDir, isAppPath);
const Component = interopDefault(ComponentMod);
const Document = interopDefault(DocumentMod);
const App = interopDefault(AppMod);
const { getServerSideProps, getStaticProps, getStaticPaths, routeModule } = ComponentMod;
return {
App,
Document,
Component,
buildManifest,
subresourceIntegrityManifest,
reactLoadableManifest: reactLoadableManifest || {},
dynamicCssManifest,
pageConfig: ComponentMod.config || {},
ComponentMod,
getServerSideProps,
getStaticProps,
getStaticPaths,
clientReferenceManifest,
serverActionsManifest,
isAppPath,
page,
routeModule
};
}
export const loadComponents = getTracer().wrap(LoadComponentsSpan.loadComponents, loadComponentsImpl);
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