next/dist/export/worker.js

"use strict";exports.__esModule=true;exports.default=exportPage;var _url=_interopRequireDefault(require("url"));var _path=require("path");var _render=require("../next-server/server/render");var _fs=require("fs");var _amphtmlValidator=_interopRequireDefault(require("next/dist/compiled/amphtml-validator"));var _loadComponents=require("../next-server/server/load-components");var _isDynamic=require("../next-server/lib/router/utils/is-dynamic");var _routeMatcher=require("../next-server/lib/router/utils/route-matcher");var _routeRegex=require("../next-server/lib/router/utils/route-regex");var _normalizePagePath=require("../next-server/server/normalize-page-path");var _constants=require("../lib/constants");require("next/dist/next-server/server/node-polyfill-fetch");var _require=require("../next-server/server/require");var _normalizeLocalePath=require("../next-server/lib/i18n/normalize-locale-path");var _trace=require("../telemetry/trace");var _amp=require("../next-server/lib/amp");function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}const envConfig=require('../next-server/lib/runtime-config');global.__NEXT_DATA__={nextExport:true};async function exportPage({parentSpanId,path,pathMap,distDir,outDir,pagesDataDir,renderOpts,buildExport,serverRuntimeConfig,subFolders,serverless,optimizeFonts,optimizeImages,optimizeCss,disableOptimizedLoading}){const exportPageSpan=(0,_trace.trace)('export-page-worker',parentSpanId);return exportPageSpan.traceAsyncFn(async()=>{let results={ampValidations:[]};try{var _req$url;const{query:originalQuery={}}=pathMap;const{page}=pathMap;const filePath=(0,_normalizePagePath.normalizePagePath)(path);const isDynamic=(0,_isDynamic.isDynamicRoute)(page);const ampPath=`${filePath}.amp`;let renderAmpPath=ampPath;let query={...originalQuery};let params;let updatedPath=query.__nextSsgPath||path;let locale=query.__nextLocale||renderOpts.locale;delete query.__nextLocale;delete query.__nextSsgPath;if(renderOpts.locale){const localePathResult=(0,_normalizeLocalePath.normalizeLocalePath)(path,renderOpts.locales);if(localePathResult.detectedLocale){updatedPath=localePathResult.pathname;locale=localePathResult.detectedLocale;if(locale===renderOpts.defaultLocale){renderAmpPath=`${(0,_normalizePagePath.normalizePagePath)(updatedPath)}.amp`;}}}// We need to show a warning if they try to provide query values
// for an auto-exported page since they won't be available
const hasOrigQueryValues=Object.keys(originalQuery).length>0;const queryWithAutoExportWarn=()=>{if(hasOrigQueryValues){throw new Error(`\nError: you provided query values for ${path} which is an auto-exported page. These can not be applied since the page can no longer be re-rendered on the server. To disable auto-export for this page add \`getInitialProps\`\n`);}};// Check if the page is a specified dynamic route
const nonLocalizedPath=(0,_normalizeLocalePath.normalizeLocalePath)(path,renderOpts.locales).pathname;if(isDynamic&&page!==nonLocalizedPath){params=(0,_routeMatcher.getRouteMatcher)((0,_routeRegex.getRouteRegex)(page))(updatedPath)||undefined;if(params){// we have to pass these separately for serverless
if(!serverless){query={...query,...params};}}else{throw new Error(`The provided export path '${updatedPath}' doesn't match the '${page}' page.\nRead more: https://nextjs.org/docs/messages/export-path-mismatch`);}}const headerMocks={headers:{},getHeader:()=>({}),setHeader:()=>{},hasHeader:()=>false,removeHeader:()=>{},getHeaderNames:()=>[]};const req={url:updatedPath,...headerMocks};const res={...headerMocks};if(path==='/500'&&page==='/_error'){res.statusCode=500;}if(renderOpts.trailingSlash&&!((_req$url=req.url)!=null&&_req$url.endsWith('/'))){req.url+='/';}envConfig.setConfig({serverRuntimeConfig,publicRuntimeConfig:renderOpts.runtimeConfig});let htmlFilename=`${filePath}${_path.sep}index.html`;if(!subFolders)htmlFilename=`${filePath}.html`;const pageExt=(0,_path.extname)(page);const pathExt=(0,_path.extname)(path);// Make sure page isn't a folder with a dot in the name e.g. `v1.2`
if(pageExt!==pathExt&&pathExt!==''){// If the path has an extension, use that as the filename instead
htmlFilename=path;}else if(path==='/'){// If the path is the root, just use index.html
htmlFilename='index.html';}const baseDir=(0,_path.join)(outDir,(0,_path.dirname)(htmlFilename));let htmlFilepath=(0,_path.join)(outDir,htmlFilename);await _fs.promises.mkdir(baseDir,{recursive:true});let html;let curRenderOpts={};let renderMethod=_render.renderToHTML;let inAmpMode=false,hybridAmp=false;const renderedDuringBuild=getStaticProps=>{return!buildExport&&getStaticProps&&!(0,_isDynamic.isDynamicRoute)(path);};if(serverless){const curUrl=_url.default.parse(req.url,true);req.url=_url.default.format({...curUrl,query:{...curUrl.query,...query}});const{Component:mod,getServerSideProps,pageConfig}=await(0,_loadComponents.loadComponents)(distDir,page,serverless);const ampState={ampFirst:(pageConfig==null?void 0:pageConfig.amp)===true,hasQuery:Boolean(query.amp),hybrid:(pageConfig==null?void 0:pageConfig.amp)==='hybrid'};inAmpMode=(0,_amp.isInAmpMode)(ampState);hybridAmp=ampState.hybrid;if(getServerSideProps){throw new Error(`Error for page ${page}: ${_constants.SERVER_PROPS_EXPORT_ERROR}`);}// if it was auto-exported the HTML is loaded here
if(typeof mod==='string'){html=mod;queryWithAutoExportWarn();}else{// for non-dynamic SSG pages we should have already
// prerendered the file
if(renderedDuringBuild(mod.getStaticProps))return results;if(mod.getStaticProps&&!htmlFilepath.endsWith('.html')){// make sure it ends with .html if the name contains a dot
htmlFilename+='.html';htmlFilepath+='.html';}renderMethod=mod.renderReqToHTML;const result=await renderMethod(req,res,'export',{ampPath:renderAmpPath,/// @ts-ignore
optimizeFonts,/// @ts-ignore
optimizeImages,/// @ts-ignore
optimizeCss,disableOptimizedLoading,distDir,fontManifest:optimizeFonts?(0,_require.requireFontManifest)(distDir,serverless):null,locale:locale,locales:renderOpts.locales},// @ts-ignore
params);curRenderOpts=result.renderOpts||{};html=result.html;}if(!html&&!curRenderOpts.isNotFound){throw new Error(`Failed to render serverless page`);}}else{var _components$pageConfi,_components$pageConfi2;const components=await(0,_loadComponents.loadComponents)(distDir,page,serverless);const ampState={ampFirst:((_components$pageConfi=components.pageConfig)==null?void 0:_components$pageConfi.amp)===true,hasQuery:Boolean(query.amp),hybrid:((_components$pageConfi2=components.pageConfig)==null?void 0:_components$pageConfi2.amp)==='hybrid'};inAmpMode=(0,_amp.isInAmpMode)(ampState);hybridAmp=ampState.hybrid;if(components.getServerSideProps){throw new Error(`Error for page ${page}: ${_constants.SERVER_PROPS_EXPORT_ERROR}`);}// for non-dynamic SSG pages we should have already
// prerendered the file
if(renderedDuringBuild(components.getStaticProps)){return results;}// TODO: de-dupe the logic here between serverless and server mode
if(components.getStaticProps&&!htmlFilepath.endsWith('.html')){// make sure it ends with .html if the name contains a dot
htmlFilepath+='.html';htmlFilename+='.html';}if(typeof components.Component==='string'){html=components.Component;queryWithAutoExportWarn();}else{/**
           * This sets environment variable to be used at the time of static export by head.tsx.
           * Using this from process.env allows targeting both serverless and SSR by calling
           * `process.env.__NEXT_OPTIMIZE_FONTS`.
           * TODO(prateekbh@): Remove this when experimental.optimizeFonts are being cleaned up.
           */if(optimizeFonts){process.env.__NEXT_OPTIMIZE_FONTS=JSON.stringify(true);}if(optimizeImages){process.env.__NEXT_OPTIMIZE_IMAGES=JSON.stringify(true);}if(optimizeCss){process.env.__NEXT_OPTIMIZE_CSS=JSON.stringify(true);}curRenderOpts={...components,...renderOpts,ampPath:renderAmpPath,params,optimizeFonts,optimizeImages,optimizeCss,disableOptimizedLoading,fontManifest:optimizeFonts?(0,_require.requireFontManifest)(distDir,serverless):null,locale:locale};// @ts-ignore
html=await renderMethod(req,res,page,query,curRenderOpts);}}results.ssgNotFound=curRenderOpts.isNotFound;const validateAmp=async(rawAmpHtml,ampPageName,validatorPath)=>{const validator=await _amphtmlValidator.default.getInstance(validatorPath);const result=validator.validateString(rawAmpHtml);const errors=result.errors.filter(e=>e.severity==='ERROR');const warnings=result.errors.filter(e=>e.severity!=='ERROR');if(warnings.length||errors.length){results.ampValidations.push({page:ampPageName,result:{errors,warnings}});}};if(inAmpMode&&!curRenderOpts.ampSkipValidation){if(!results.ssgNotFound){await validateAmp(html,path,curRenderOpts.ampValidatorPath);}}else if(hybridAmp){// we need to render the AMP version
let ampHtmlFilename=`${ampPath}${_path.sep}index.html`;if(!subFolders){ampHtmlFilename=`${ampPath}.html`;}const ampBaseDir=(0,_path.join)(outDir,(0,_path.dirname)(ampHtmlFilename));const ampHtmlFilepath=(0,_path.join)(outDir,ampHtmlFilename);try{await _fs.promises.access(ampHtmlFilepath);}catch(_){// make sure it doesn't exist from manual mapping
let ampHtml;if(serverless){req.url+=(req.url.includes('?')?'&':'?')+'amp=1';// @ts-ignore
ampHtml=(await renderMethod(req,res,'export',curRenderOpts,params)).html;}else{ampHtml=await renderMethod(req,res,page,// @ts-ignore
{...query,amp:'1'},curRenderOpts);}if(!curRenderOpts.ampSkipValidation){await validateAmp(ampHtml,page+'?amp=1');}await _fs.promises.mkdir(ampBaseDir,{recursive:true});await _fs.promises.writeFile(ampHtmlFilepath,ampHtml,'utf8');}}if(curRenderOpts.pageData){const dataFile=(0,_path.join)(pagesDataDir,htmlFilename.replace(/\.html$/,'.json'));await _fs.promises.mkdir((0,_path.dirname)(dataFile),{recursive:true});await _fs.promises.writeFile(dataFile,JSON.stringify(curRenderOpts.pageData),'utf8');if(hybridAmp){await _fs.promises.writeFile(dataFile.replace(/\.json$/,'.amp.json'),JSON.stringify(curRenderOpts.pageData),'utf8');}}results.fromBuildExportRevalidate=curRenderOpts.revalidate;if(results.ssgNotFound){// don't attempt writing to disk if getStaticProps returned not found
return results;}await _fs.promises.writeFile(htmlFilepath,html,'utf8');return results;}catch(error){console.error(`\nError occurred prerendering page "${path}". Read more: https://nextjs.org/docs/messages/prerender-error\n`+error.stack);return{...results,error:true};}});}
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