"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); 0 && (module.exports = { EntryTypes: null, getEntryKey: null, ADDED: null, BUILDING: null, BUILT: null, getEntries: null, getInvalidator: null, onDemandEntryHandler: null }); function _export(target, all) { for(var name in all)Object.defineProperty(target, name, { enumerable: true, get: all[name] }); } _export(exports, { EntryTypes: function() { return EntryTypes; }, getEntryKey: function() { return getEntryKey; }, ADDED: function() { return ADDED; }, BUILDING: function() { return BUILDING; }, BUILT: function() { return BUILT; }, getEntries: function() { return getEntries; }, getInvalidator: function() { return getInvalidator; }, onDemandEntryHandler: function() { return onDemandEntryHandler; } }); const _debug = /*#__PURE__*/ _interop_require_default(require("next/dist/compiled/debug")); const _events = require("events"); const _findpagefile = require("../lib/find-page-file"); const _entries = require("../../build/entries"); const _path = require("path"); const _normalizepathsep = require("../../shared/lib/page-path/normalize-path-sep"); const _normalizepagepath = require("../../shared/lib/page-path/normalize-page-path"); const _ensureleadingslash = require("../../shared/lib/page-path/ensure-leading-slash"); const _removepagepathtail = require("../../shared/lib/page-path/remove-page-path-tail"); const _output = require("../../build/output"); const _getroutefromentrypoint = /*#__PURE__*/ _interop_require_default(require("../get-route-from-entrypoint")); const _utils = require("../../build/utils"); const _utils1 = require("../../shared/lib/utils"); const _constants = require("../../shared/lib/constants"); const _hotreloadertypes = require("./hot-reloader-types"); const _apppageroutedefinition = require("../future/route-definitions/app-page-route-definition"); const _scheduleonnexttick = require("../lib/schedule-on-next-tick"); const _batcher = require("../../lib/batcher"); function _interop_require_default(obj) { return obj && obj.__esModule ? obj : { default: obj }; } const debug = (0, _debug.default)("next:on-demand-entry-handler"); /** * Returns object keys with type inferred from the object key */ const keys = Object.keys; const COMPILER_KEYS = keys(_constants.COMPILER_INDEXES); function treePathToEntrypoint(segmentPath, parentPath) { const [parallelRouteKey, segment] = segmentPath; // TODO-APP: modify this path to cover parallelRouteKey convention const path = (parentPath ? parentPath + "/" : "") + (parallelRouteKey !== "children" && !segment.startsWith("@") ? `@${parallelRouteKey}/` : "") + (segment === "" ? "page" : segment); // Last segment if (segmentPath.length === 2) { return path; } const childSegmentPath = segmentPath.slice(2); return treePathToEntrypoint(childSegmentPath, path); } function convertDynamicParamTypeToSyntax(dynamicParamTypeShort, param) { switch(dynamicParamTypeShort){ case "c": return `[...${param}]`; case "oc": return `[[...${param}]]`; case "d": return `[${param}]`; default: throw new Error("Unknown dynamic param type"); } } function getEntryKey(compilerType, pageBundleType, page) { // TODO: handle the /children slot better // this is a quick hack to handle when children is provided as children/page instead of /page const pageKey = page.replace(/(@[^/]+)\/children/g, "$1"); return `${compilerType}@${pageBundleType}@${pageKey}`; } function getPageBundleType(pageBundlePath) { // Handle special case for /_error if (pageBundlePath === "/_error") return "pages"; if ((0, _utils.isMiddlewareFilename)(pageBundlePath)) return "root"; return pageBundlePath.startsWith("pages/") ? "pages" : pageBundlePath.startsWith("app/") ? "app" : "root"; } function getEntrypointsFromTree(tree, isFirst, parentPath = []) { const [segment, parallelRoutes] = tree; const currentSegment = Array.isArray(segment) ? convertDynamicParamTypeToSyntax(segment[2], segment[0]) : segment; const isPageSegment = currentSegment.startsWith("__PAGE__"); const currentPath = [ ...parentPath, isPageSegment ? "" : currentSegment ]; if (!isFirst && isPageSegment) { // TODO get rid of '' at the start of tree return [ treePathToEntrypoint(currentPath.slice(1)) ]; } return Object.keys(parallelRoutes).reduce((paths, key)=>{ const childTree = parallelRoutes[key]; const childPages = getEntrypointsFromTree(childTree, false, [ ...currentPath, key ]); return [ ...paths, ...childPages ]; }, []); } const ADDED = Symbol("added"); const BUILDING = Symbol("building"); const BUILT = Symbol("built"); var EntryTypes; (function(EntryTypes) { EntryTypes[EntryTypes["ENTRY"] = 0] = "ENTRY"; EntryTypes[EntryTypes["CHILD_ENTRY"] = 1] = "CHILD_ENTRY"; })(EntryTypes || (EntryTypes = {})); const entriesMap = new Map(); // remove /server from end of output for server compiler const normalizeOutputPath = (dir)=>dir.replace(/[/\\]server$/, ""); const getEntries = (dir)=>{ dir = normalizeOutputPath(dir); const entries = entriesMap.get(dir) || {}; entriesMap.set(dir, entries); return entries; }; const invalidators = new Map(); const getInvalidator = (dir)=>{ dir = normalizeOutputPath(dir); return invalidators.get(dir); }; const doneCallbacks = new _events.EventEmitter(); const lastClientAccessPages = [ "" ]; const lastServerAccessPagesForAppDir = [ "" ]; // Make sure only one invalidation happens at a time // Otherwise, webpack hash gets changed and it'll force the client to reload. class Invalidator { constructor(multiCompiler){ this.building = new Set(); this.rebuildAgain = new Set(); this.multiCompiler = multiCompiler; } shouldRebuildAll() { return this.rebuildAgain.size > 0; } invalidate(compilerKeys = COMPILER_KEYS) { for (const key of compilerKeys){ var _this_multiCompiler_compilers_COMPILER_INDEXES_key_watching; // If there's a current build is processing, we won't abort it by invalidating. // (If aborted, it'll cause a client side hard reload) // But let it to invalidate just after the completion. // So, it can re-build the queued pages at once. if (this.building.has(key)) { this.rebuildAgain.add(key); continue; } this.building.add(key); (_this_multiCompiler_compilers_COMPILER_INDEXES_key_watching = this.multiCompiler.compilers[_constants.COMPILER_INDEXES[key]].watching) == null ? void 0 : _this_multiCompiler_compilers_COMPILER_INDEXES_key_watching.invalidate(); } } startBuilding(compilerKey) { this.building.add(compilerKey); } doneBuilding(compilerKeys = []) { const rebuild = []; for (const key of compilerKeys){ this.building.delete(key); if (this.rebuildAgain.has(key)) { rebuild.push(key); this.rebuildAgain.delete(key); } } this.invalidate(rebuild); } willRebuild(compilerKey) { return this.rebuildAgain.has(compilerKey); } } function disposeInactiveEntries(entries, maxInactiveAge) { Object.keys(entries).forEach((entryKey)=>{ const entryData = entries[entryKey]; const { lastActiveTime, status, dispose, bundlePath } = entryData; // TODO-APP: implement disposing of CHILD_ENTRY if (entryData.type === 1) { return; } // For the root middleware and the instrumentation hook files, // we don't dispose them periodically as it's needed for every request. if ((0, _utils.isMiddlewareFilename)(bundlePath) || (0, _utils.isInstrumentationHookFilename)(bundlePath)) { return; } if (dispose) // Skip pages already scheduled for disposing return; // This means this entry is currently building or just added // We don't need to dispose those entries. if (status !== BUILT) return; // We should not build the last accessed page even we didn't get any pings // Sometimes, it's possible our XHR ping to wait before completing other requests. // In that case, we should not dispose the current viewing page if (lastClientAccessPages.includes(entryKey) || lastServerAccessPagesForAppDir.includes(entryKey)) return; if (lastActiveTime && Date.now() - lastActiveTime > maxInactiveAge) { entries[entryKey].dispose = true; } }); } // Normalize both app paths and page paths function tryToNormalizePagePath(page) { try { return (0, _normalizepagepath.normalizePagePath)(page); } catch (err) { console.error(err); throw new _utils1.PageNotFoundError(page); } } /** * Attempts to find a page file path from the given pages absolute directory, * a page and allowed extensions. If the page can't be found it will throw an * error. It defaults the `/_error` page to Next.js internal error page. * * @param rootDir Absolute path to the project root. * @param pagesDir Absolute path to the pages folder with trailing `/pages`. * @param normalizedPagePath The page normalized (it will be denormalized). * @param pageExtensions Array of page extensions. */ async function findPagePathData(rootDir, page, extensions, pagesDir, appDir) { const normalizedPagePath = tryToNormalizePagePath(page); let pagePath = null; const isInstrumentation = (0, _utils.isInstrumentationHookFile)(normalizedPagePath); if ((0, _utils.isMiddlewareFile)(normalizedPagePath) || isInstrumentation) { pagePath = await (0, _findpagefile.findPageFile)(rootDir, normalizedPagePath, extensions, false); if (!pagePath) { throw new _utils1.PageNotFoundError(normalizedPagePath); } const pageUrl = (0, _ensureleadingslash.ensureLeadingSlash)((0, _removepagepathtail.removePagePathTail)((0, _normalizepathsep.normalizePathSep)(pagePath), { extensions })); let bundlePath = normalizedPagePath; let pageKey = _path.posix.normalize(pageUrl); if (isInstrumentation) { bundlePath = bundlePath.replace("/src", ""); pageKey = page.replace("/src", ""); } return { filename: (0, _path.join)(rootDir, pagePath), bundlePath: bundlePath.slice(1), page: pageKey }; } // Check appDir first falling back to pagesDir if (appDir) { pagePath = await (0, _findpagefile.findPageFile)(appDir, normalizedPagePath, extensions, true); if (pagePath) { const pageUrl = (0, _ensureleadingslash.ensureLeadingSlash)((0, _removepagepathtail.removePagePathTail)((0, _normalizepathsep.normalizePathSep)(pagePath), { keepIndex: true, extensions })); return { filename: (0, _path.join)(appDir, pagePath), bundlePath: _path.posix.join("app", pageUrl), page: _path.posix.normalize(pageUrl) }; } } if (!pagePath && pagesDir) { pagePath = await (0, _findpagefile.findPageFile)(pagesDir, normalizedPagePath, extensions, false); } if (pagePath !== null && pagesDir) { const pageUrl = (0, _ensureleadingslash.ensureLeadingSlash)((0, _removepagepathtail.removePagePathTail)((0, _normalizepathsep.normalizePathSep)(pagePath), { extensions })); return { filename: (0, _path.join)(pagesDir, pagePath), bundlePath: _path.posix.join("pages", (0, _normalizepagepath.normalizePagePath)(pageUrl)), page: _path.posix.normalize(pageUrl) }; } if (page === "/not-found" && appDir) { return { filename: require.resolve("next/dist/client/components/not-found-error"), bundlePath: "app/not-found", page: "/not-found" }; } if (page === "/_error") { return { filename: require.resolve("next/dist/pages/_error"), bundlePath: page, page: (0, _normalizepathsep.normalizePathSep)(page) }; } else { throw new _utils1.PageNotFoundError(normalizedPagePath); } } function onDemandEntryHandler({ hotReloader, maxInactiveAge, multiCompiler, nextConfig, pagesBufferLength, pagesDir, rootDir, appDir }) { let curInvalidator = getInvalidator(multiCompiler.outputPath); const curEntries = getEntries(multiCompiler.outputPath); if (!curInvalidator) { curInvalidator = new Invalidator(multiCompiler); invalidators.set(multiCompiler.outputPath, curInvalidator); } const startBuilding = (compilation)=>{ const compilationName = compilation.name; curInvalidator.startBuilding(compilationName); }; for (const compiler of multiCompiler.compilers){ compiler.hooks.make.tap("NextJsOnDemandEntries", startBuilding); } function getPagePathsFromEntrypoints(type, entrypoints, root) { const pagePaths = []; for (const entrypoint of entrypoints.values()){ const page = (0, _getroutefromentrypoint.default)(entrypoint.name, root); if (page) { var _entrypoint_name; const pageBundleType = ((_entrypoint_name = entrypoint.name) == null ? void 0 : _entrypoint_name.startsWith("app/")) ? "app" : "pages"; pagePaths.push(getEntryKey(type, pageBundleType, page)); } else if (root && entrypoint.name === "root" || (0, _utils.isMiddlewareFilename)(entrypoint.name) || (0, _utils.isInstrumentationHookFilename)(entrypoint.name)) { pagePaths.push(getEntryKey(type, "root", `/${entrypoint.name}`)); } } return pagePaths; } for (const compiler of multiCompiler.compilers){ compiler.hooks.done.tap("NextJsOnDemandEntries", ()=>{ var _getInvalidator; return (_getInvalidator = getInvalidator(compiler.outputPath)) == null ? void 0 : _getInvalidator.doneBuilding([ compiler.name ]); }); } multiCompiler.hooks.done.tap("NextJsOnDemandEntries", (multiStats)=>{ var _getInvalidator; const [clientStats, serverStats, edgeServerStats] = multiStats.stats; const root = !!appDir; const entryNames = [ ...getPagePathsFromEntrypoints(_constants.COMPILER_NAMES.client, clientStats.compilation.entrypoints, root), ...getPagePathsFromEntrypoints(_constants.COMPILER_NAMES.server, serverStats.compilation.entrypoints, root), ...edgeServerStats ? getPagePathsFromEntrypoints(_constants.COMPILER_NAMES.edgeServer, edgeServerStats.compilation.entrypoints, root) : [] ]; for (const name of entryNames){ const entry = curEntries[name]; if (!entry) { continue; } if (entry.status !== BUILDING) { continue; } entry.status = BUILT; doneCallbacks.emit(name); } (_getInvalidator = getInvalidator(multiCompiler.outputPath)) == null ? void 0 : _getInvalidator.doneBuilding([ ...COMPILER_KEYS ]); }); const pingIntervalTime = Math.max(1000, Math.min(5000, maxInactiveAge)); setInterval(function() { disposeInactiveEntries(curEntries, maxInactiveAge); }, pingIntervalTime + 1000).unref(); function handleAppDirPing(tree) { const pages = getEntrypointsFromTree(tree, true); for (const page of pages){ for (const compilerType of [ _constants.COMPILER_NAMES.client, _constants.COMPILER_NAMES.server, _constants.COMPILER_NAMES.edgeServer ]){ const entryKey = getEntryKey(compilerType, "app", `/${page}`); const entryInfo = curEntries[entryKey]; // If there's no entry, it may have been invalidated and needs to be re-built. if (!entryInfo) { continue; } // We don't need to maintain active state of anything other than BUILT entries if (entryInfo.status !== BUILT) continue; // If there's an entryInfo if (!lastServerAccessPagesForAppDir.includes(entryKey)) { lastServerAccessPagesForAppDir.unshift(entryKey); // Maintain the buffer max length // TODO: verify that the current pageKey is not at the end of the array as multiple entrypoints can exist if (lastServerAccessPagesForAppDir.length > pagesBufferLength) { lastServerAccessPagesForAppDir.pop(); } } entryInfo.lastActiveTime = Date.now(); entryInfo.dispose = false; } } } function handlePing(pg) { const page = (0, _normalizepathsep.normalizePathSep)(pg); for (const compilerType of [ _constants.COMPILER_NAMES.client, _constants.COMPILER_NAMES.server, _constants.COMPILER_NAMES.edgeServer ]){ const entryKey = getEntryKey(compilerType, "pages", page); const entryInfo = curEntries[entryKey]; // If there's no entry, it may have been invalidated and needs to be re-built. if (!entryInfo) { // if (page !== lastEntry) client pings, but there's no entry for page if (compilerType === _constants.COMPILER_NAMES.client) { return; } continue; } // We don't need to maintain active state of anything other than BUILT entries if (entryInfo.status !== BUILT) continue; // If there's an entryInfo if (!lastClientAccessPages.includes(entryKey)) { lastClientAccessPages.unshift(entryKey); // Maintain the buffer max length if (lastClientAccessPages.length > pagesBufferLength) { lastClientAccessPages.pop(); } } entryInfo.lastActiveTime = Date.now(); entryInfo.dispose = false; } return; } async function ensurePageImpl({ page, clientOnly, appPaths, definition, isApp }) { const stalledTime = 60; const stalledEnsureTimeout = setTimeout(()=>{ debug(`Ensuring ${page} has taken longer than ${stalledTime}s, if this continues to stall this may be a bug`); }, stalledTime * 1000); try { let route; if (definition) { route = definition; } else { route = await findPagePathData(rootDir, page, nextConfig.pageExtensions, pagesDir, appDir); } const isInsideAppDir = !!appDir && route.filename.startsWith(appDir); if (typeof isApp === "boolean" && isApp !== isInsideAppDir) { Error.stackTraceLimit = 15; throw new Error(`Ensure bailed, found path "${route.page}" does not match ensure type (${isApp ? "app" : "pages"})`); } const pageBundleType = getPageBundleType(route.bundlePath); const addEntry = (compilerType)=>{ const entryKey = getEntryKey(compilerType, pageBundleType, route.page); if (curEntries[entryKey] && // there can be an overlap in the entryKey for the instrumentation hook file and a page named the same // this is a quick fix to support this scenario by overwriting the instrumentation hook entry, since we only use it one time // any changes to the instrumentation hook file will require a restart of the dev server anyway !(0, _utils.isInstrumentationHookFilename)(curEntries[entryKey].bundlePath)) { curEntries[entryKey].dispose = false; curEntries[entryKey].lastActiveTime = Date.now(); if (curEntries[entryKey].status === BUILT) { return { entryKey, newEntry: false, shouldInvalidate: false }; } return { entryKey, newEntry: false, shouldInvalidate: true }; } curEntries[entryKey] = { type: 0, appPaths, absolutePagePath: route.filename, request: route.filename, bundlePath: route.bundlePath, dispose: false, lastActiveTime: Date.now(), status: ADDED }; return { entryKey: entryKey, newEntry: true, shouldInvalidate: true }; }; const staticInfo = await (0, _entries.getStaticInfoIncludingLayouts)({ page, pageFilePath: route.filename, isInsideAppDir, pageExtensions: nextConfig.pageExtensions, isDev: true, config: nextConfig, appDir }); const added = new Map(); const isServerComponent = isInsideAppDir && staticInfo.rsc !== _constants.RSC_MODULE_TYPES.client; (0, _entries.runDependingOnPageType)({ page: route.page, pageRuntime: staticInfo.runtime, pageType: pageBundleType, onClient: ()=>{ // Skip adding the client entry for app / Server Components. if (isServerComponent || isInsideAppDir) { return; } added.set(_constants.COMPILER_NAMES.client, addEntry(_constants.COMPILER_NAMES.client)); }, onServer: ()=>{ added.set(_constants.COMPILER_NAMES.server, addEntry(_constants.COMPILER_NAMES.server)); const edgeServerEntry = getEntryKey(_constants.COMPILER_NAMES.edgeServer, pageBundleType, route.page); if (curEntries[edgeServerEntry] && !(0, _utils.isInstrumentationHookFile)(route.page)) { // Runtime switched from edge to server delete curEntries[edgeServerEntry]; } }, onEdgeServer: ()=>{ added.set(_constants.COMPILER_NAMES.edgeServer, addEntry(_constants.COMPILER_NAMES.edgeServer)); const serverEntry = getEntryKey(_constants.COMPILER_NAMES.server, pageBundleType, route.page); if (curEntries[serverEntry] && !(0, _utils.isInstrumentationHookFile)(route.page)) { // Runtime switched from server to edge delete curEntries[serverEntry]; } } }); const addedValues = [ ...added.values() ]; const entriesThatShouldBeInvalidated = [ ...added.entries() ].filter(([, entry])=>entry.shouldInvalidate); const hasNewEntry = addedValues.some((entry)=>entry.newEntry); if (hasNewEntry) { (0, _output.reportTrigger)(!clientOnly && hasNewEntry ? `${route.page}` : route.page); } if (entriesThatShouldBeInvalidated.length > 0) { const invalidatePromise = Promise.all(entriesThatShouldBeInvalidated.map(([compilerKey, { entryKey }])=>{ return new Promise((resolve, reject)=>{ doneCallbacks.once(entryKey, (err)=>{ if (err) { return reject(err); } // If the invalidation also triggers a rebuild, we need to // wait for that additional build to prevent race conditions. const needsRebuild = curInvalidator.willRebuild(compilerKey); if (needsRebuild) { doneCallbacks.once(entryKey, (rebuildErr)=>{ if (rebuildErr) { return reject(rebuildErr); } resolve(); }); } else { resolve(); } }); }); })); curInvalidator.invalidate([ ...added.keys() ]); await invalidatePromise; } } finally{ clearTimeout(stalledEnsureTimeout); } } // Make sure that we won't have multiple invalidations ongoing concurrently. const batcher = _batcher.Batcher.create({ // The cache key here is composed of the elements that affect the // compilation, namely, the page, whether it's client only, and whether // it's an app page. This ensures that we don't have multiple compilations // for the same page happening concurrently. // // We don't include the whole match because it contains match specific // parameters (like route params) that would just bust this cache. Any // details that would possibly bust the cache should be listed here. cacheKeyFn: (options)=>JSON.stringify(options), // Schedule the invocation of the ensurePageImpl function on the next tick. schedulerFn: _scheduleonnexttick.scheduleOnNextTick }); return { async ensurePage ({ page, clientOnly, appPaths = null, definition, isApp }) { // If the route is actually an app page route, then we should have access // to the app route definition, and therefore, the appPaths from it. if (!appPaths && definition && (0, _apppageroutedefinition.isAppPageRouteDefinition)(definition)) { appPaths = definition.appPaths; } // Wrap the invocation of the ensurePageImpl function in the pending // wrapper, which will ensure that we don't have multiple compilations // for the same page happening concurrently. return batcher.batch({ page, clientOnly, appPaths, definition, isApp }, async ()=>{ await ensurePageImpl({ page, clientOnly, appPaths, definition, isApp }); }); }, onHMR (client, getHmrServerError) { let bufferedHmrServerError = null; client.addEventListener("close", ()=>{ bufferedHmrServerError = null; }); client.addEventListener("message", ({ data })=>{ try { const error = getHmrServerError(); // New error occurred: buffered error is flushed and new error occurred if (!bufferedHmrServerError && error) { hotReloader.send({ action: _hotreloadertypes.HMR_ACTIONS_SENT_TO_BROWSER.SERVER_ERROR, errorJSON: (0, _utils1.stringifyError)(error) }); bufferedHmrServerError = null; } const parsedData = JSON.parse(typeof data !== "string" ? data.toString() : data); if (parsedData.event === "ping") { if (parsedData.appDirRoute) { handleAppDirPing(parsedData.tree); } else { handlePing(parsedData.page); } } } catch {} }); } }; } //# sourceMappingURL=on-demand-entry-handler.js.map