Initial commit

node_modules/next/dist/esm/export/routes/app-page.js

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+import { isDynamicUsageError } from '../helpers/is-dynamic-usage-error';
+import { NEXT_CACHE_TAGS_HEADER, NEXT_META_SUFFIX, RSC_PREFETCH_SUFFIX, RSC_SUFFIX, RSC_SEGMENTS_DIR_SUFFIX, RSC_SEGMENT_SUFFIX } from '../../lib/constants';
+import { hasNextSupport } from '../../server/ci-info';
+import { lazyRenderAppPage } from '../../server/route-modules/app-page/module.render';
+import { isBailoutToCSRError } from '../../shared/lib/lazy-dynamic/bailout-to-csr';
+import { NodeNextRequest, NodeNextResponse } from '../../server/base-http/node';
+import { NEXT_IS_PRERENDER_HEADER } from '../../client/components/app-router-headers';
+import { AfterRunner } from '../../server/after/run-with-after';
+export async function prospectiveRenderAppPage(req, res, page, pathname, query, fallbackRouteParams, partialRenderOpts, sharedContext) {
+    const afterRunner = new 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 lazyRenderAppPage(new NodeNextRequest(req), new 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 (!isDynamicUsageError(err)) {
+            throw err;
+        }
+        // We should fail rendering if a client side rendering bailout
+        // occurred at the page level.
+        if (isBailoutToCSRError(err)) {
+            throw err;
+        }
+    }
+}
+/**
+ * Renders & exports a page associated with the /app directory
+ */ export async function exportAppPage(req, res, page, path, pathname, query, fallbackRouteParams, partialRenderOpts, htmlFilepath, debugOutput, isDynamicError, fileWriter, sharedContext) {
+    const afterRunner = new 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 lazyRenderAppPage(new NodeNextRequest(req), new 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 ${path}`), "__NEXT_ERROR_CODE", {
+                value: "E194",
+                enumerable: false,
+                configurable: true
+            });
+        }
+        if (flightData) {
+            // If PPR is enabled, we want to emit a prefetch rsc file for the page
+            // instead of the standard rsc. This is because the standard rsc will
+            // contain the dynamic data. We do this if any routes have PPR enabled so
+            // that the cache read/write is the same.
+            if (renderOpts.experimental.isRoutePPREnabled) {
+                // If PPR is enabled, we should emit the flight data as the prefetch
+                // payload.
+                // TODO: This will eventually be replaced by the per-segment prefetch
+                // output below.
+                fileWriter.append(htmlFilepath.replace(/\.html$/, RSC_PREFETCH_SUFFIX), flightData);
+            } else {
+                // Writing the RSC payload to a file if we don't have PPR enabled.
+                fileWriter.append(htmlFilepath.replace(/\.html$/, RSC_SUFFIX), flightData);
+            }
+        }
+        let segmentPaths;
+        if (segmentData) {
+            // Emit the per-segment prefetch data. We emit them as separate files
+            // so that the cache handler has the option to treat each as a
+            // separate entry.
+            segmentPaths = [];
+            const segmentsDir = htmlFilepath.replace(/\.html$/, RSC_SEGMENTS_DIR_SUFFIX);
+            for (const [segmentPath, buffer] of segmentData){
+                segmentPaths.push(segmentPath);
+                const segmentDataFilePath = segmentsDir + segmentPath + 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[NEXT_IS_PRERENDER_HEADER] = '1';
+        if (fetchTags) {
+            headers[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$/, NEXT_META_SUFFIX), JSON.stringify(meta, null, 2));
+        return {
+            // Only include the metadata if the environment has next support.
+            metadata: hasNextSupport ? meta : undefined,
+            hasEmptyPrelude: Boolean(postponed) && html === '',
+            hasPostponed: Boolean(postponed),
+            cacheControl,
+            fetchMetrics
+        };
+    } catch (err) {
+        if (!isDynamicUsageError(err)) {
+            throw err;
+        }
+        // We should fail rendering if a client side rendering bailout
+        // occurred at the page level.
+        if (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