next
Version:
The React Framework
233 lines (232 loc) • 10.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
exportAppPage: null,
prospectiveRenderAppPage: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
exportAppPage: function() {
return exportAppPage;
},
prospectiveRenderAppPage: function() {
return prospectiveRenderAppPage;
}
});
const _isdynamicusageerror = require("../helpers/is-dynamic-usage-error");
const _constants = require("../../lib/constants");
const _ciinfo = require("../../server/ci-info");
const _modulerender = require("../../server/route-modules/app-page/module.render");
const _bailouttocsr = require("../../shared/lib/lazy-dynamic/bailout-to-csr");
const _node = require("../../server/base-http/node");
const _approuterheaders = require("../../client/components/app-router-headers");
const _runwithafter = require("../../server/after/run-with-after");
async function prospectiveRenderAppPage(req, res, page, pathname, query, fallbackRouteParams, partialRenderOpts, sharedContext) {
const afterRunner = new _runwithafter.AfterRunner();
// If the page is `/_not-found`, then we should update the page to be `/404`.
// UNDERSCORE_NOT_FOUND_ROUTE value used here, however we don't want to import it here as it causes constants to be inlined which we don't want here.
if (page === '/_not-found/page') {
pathname = '/404';
}
try {
await (0, _modulerender.lazyRenderAppPage)(new _node.NodeNextRequest(req), new _node.NodeNextResponse(res), pathname, query, fallbackRouteParams, {
...partialRenderOpts,
waitUntil: afterRunner.context.waitUntil,
onClose: afterRunner.context.onClose,
onAfterTaskError: afterRunner.context.onTaskError
}, undefined, false, sharedContext);
// TODO(after): if we abort a prerender because of an error in an after-callback
// we should probably communicate that better (and not log the error twice)
await afterRunner.executeAfter();
} catch (err) {
if (!(0, _isdynamicusageerror.isDynamicUsageError)(err)) {
throw err;
}
// We should fail rendering if a client side rendering bailout
// occurred at the page level.
if ((0, _bailouttocsr.isBailoutToCSRError)(err)) {
throw err;
}
}
}
async function exportAppPage(req, res, page, path, pathname, query, fallbackRouteParams, partialRenderOpts, htmlFilepath, debugOutput, isDynamicError, fileWriter, sharedContext) {
const afterRunner = new _runwithafter.AfterRunner();
const renderOpts = {
...partialRenderOpts,
waitUntil: afterRunner.context.waitUntil,
onClose: afterRunner.context.onClose,
onAfterTaskError: afterRunner.context.onTaskError
};
let isDefaultNotFound = false;
// If the page is `/_not-found`, then we should update the page to be `/404`.
// UNDERSCORE_NOT_FOUND_ROUTE value used here, however we don't want to import it here as it causes constants to be inlined which we don't want here.
if (page === '/_not-found/page') {
isDefaultNotFound = true;
pathname = '/404';
}
try {
const result = await (0, _modulerender.lazyRenderAppPage)(new _node.NodeNextRequest(req), new _node.NodeNextResponse(res), pathname, query, fallbackRouteParams, renderOpts, undefined, false, sharedContext);
const html = result.toUnchunkedString();
// TODO(after): if we abort a prerender because of an error in an after-callback
// we should probably communicate that better (and not log the error twice)
await afterRunner.executeAfter();
const { metadata } = result;
const { flightData, cacheControl = {
revalidate: false,
expire: undefined
}, postponed, fetchTags, fetchMetrics, segmentData } = metadata;
// Ensure we don't postpone without having PPR enabled.
if (postponed && !renderOpts.experimental.isRoutePPREnabled) {
throw Object.defineProperty(new Error('Invariant: page postponed without PPR being enabled'), "__NEXT_ERROR_CODE", {
value: "E156",
enumerable: false,
configurable: true
});
}
if (cacheControl.revalidate === 0) {
if (isDynamicError) {
throw Object.defineProperty(new Error(`Page with dynamic = "error" encountered dynamic data method on ${path}.`), "__NEXT_ERROR_CODE", {
value: "E388",
enumerable: false,
configurable: true
});
}
const { staticBailoutInfo = {} } = metadata;
if (debugOutput && (staticBailoutInfo == null ? void 0 : staticBailoutInfo.description)) {
logDynamicUsageWarning({
path,
description: staticBailoutInfo.description,
stack: staticBailoutInfo.stack
});
}
return {
cacheControl,
fetchMetrics
};
}
// If page data isn't available, it means that the page couldn't be rendered
// properly so long as we don't have unknown route params. When a route doesn't
// have unknown route params, there will not be any flight data.
if (!flightData && (!fallbackRouteParams || fallbackRouteParams.size === 0)) {
throw Object.defineProperty(new Error(`Invariant: failed to get page data for ${path}`), "__NEXT_ERROR_CODE", {
value: "E194",
enumerable: false,
configurable: true
});
}
if (flightData) {
// If PPR is enabled, we want to emit a prefetch rsc file for the page
// instead of the standard rsc. This is because the standard rsc will
// contain the dynamic data. We do this if any routes have PPR enabled so
// that the cache read/write is the same.
if (renderOpts.experimental.isRoutePPREnabled) {
// If PPR is enabled, we should emit the flight data as the prefetch
// payload.
// TODO: This will eventually be replaced by the per-segment prefetch
// output below.
fileWriter.append(htmlFilepath.replace(/\.html$/, _constants.RSC_PREFETCH_SUFFIX), flightData);
} else {
// Writing the RSC payload to a file if we don't have PPR enabled.
fileWriter.append(htmlFilepath.replace(/\.html$/, _constants.RSC_SUFFIX), flightData);
}
}
let segmentPaths;
if (segmentData) {
// Emit the per-segment prefetch data. We emit them as separate files
// so that the cache handler has the option to treat each as a
// separate entry.
segmentPaths = [];
const segmentsDir = htmlFilepath.replace(/\.html$/, _constants.RSC_SEGMENTS_DIR_SUFFIX);
for (const [segmentPath, buffer] of segmentData){
segmentPaths.push(segmentPath);
const segmentDataFilePath = segmentsDir + segmentPath + _constants.RSC_SEGMENT_SUFFIX;
fileWriter.append(segmentDataFilePath, buffer);
}
}
const headers = {
...metadata.headers
};
// If we're writing the file to disk, we know it's a prerender.
headers[_approuterheaders.NEXT_IS_PRERENDER_HEADER] = '1';
if (fetchTags) {
headers[_constants.NEXT_CACHE_TAGS_HEADER] = fetchTags;
}
// Writing static HTML to a file.
fileWriter.append(htmlFilepath, html ?? '');
const isParallelRoute = /\/@\w+/.test(page);
const isNonSuccessfulStatusCode = res.statusCode > 300;
// When PPR is enabled, we don't always send 200 for routes that have been
// pregenerated, so we should grab the status code from the mocked
// response.
let status = renderOpts.experimental.isRoutePPREnabled ? res.statusCode : undefined;
if (isDefaultNotFound) {
// Override the default /_not-found page status code to 404
status = 404;
} else if (isNonSuccessfulStatusCode && !isParallelRoute) {
// If it's parallel route the status from mock response is 404
status = res.statusCode;
}
// Writing the request metadata to a file.
const meta = {
status,
headers,
postponed,
segmentPaths
};
fileWriter.append(htmlFilepath.replace(/\.html$/, _constants.NEXT_META_SUFFIX), JSON.stringify(meta, null, 2));
return {
// Only include the metadata if the environment has next support.
metadata: _ciinfo.hasNextSupport ? meta : undefined,
hasEmptyPrelude: Boolean(postponed) && html === '',
hasPostponed: Boolean(postponed),
cacheControl,
fetchMetrics
};
} catch (err) {
if (!(0, _isdynamicusageerror.isDynamicUsageError)(err)) {
throw err;
}
// We should fail rendering if a client side rendering bailout
// occurred at the page level.
if ((0, _bailouttocsr.isBailoutToCSRError)(err)) {
throw err;
}
let fetchMetrics;
if (debugOutput) {
const store = renderOpts.store;
const { dynamicUsageDescription, dynamicUsageStack } = store;
fetchMetrics = store.fetchMetrics;
logDynamicUsageWarning({
path,
description: dynamicUsageDescription ?? '',
stack: dynamicUsageStack
});
}
return {
cacheControl: {
revalidate: 0,
expire: undefined
},
fetchMetrics
};
}
}
function logDynamicUsageWarning({ path, description, stack }) {
const errMessage = Object.defineProperty(new Error(`Static generation failed due to dynamic usage on ${path}, reason: ${description}`), "__NEXT_ERROR_CODE", {
value: "E381",
enumerable: false,
configurable: true
});
if (stack) {
errMessage.stack = errMessage.message + stack.substring(stack.indexOf('\n'));
}
console.warn(errMessage);
}
//# sourceMappingURL=app-page.js.map