next
Version:
The React Framework
678 lines (677 loc) • 30.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
ADDED: null,
BUILDING: null,
BUILT: null,
EntryTypes: null,
findPagePathData: null,
getEntries: null,
getEntryKey: 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, {
ADDED: function() {
return ADDED;
},
BUILDING: function() {
return BUILDING;
},
BUILT: function() {
return BUILT;
},
EntryTypes: function() {
return EntryTypes;
},
findPagePathData: function() {
return findPagePathData;
},
getEntries: function() {
return getEntries;
},
getEntryKey: function() {
return getEntryKey;
},
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 _segment = require("../../shared/lib/segment");
const _hotreloadertypes = require("./hot-reloader-types");
const _apppageroutedefinition = require("../route-definitions/app-page-route-definition");
const _scheduler = require("../../lib/scheduler");
const _batcher = require("../../lib/batcher");
const _apppaths = require("../../shared/lib/router/utils/app-paths");
const _pagetypes = require("../../lib/page-types");
const _flightdatahelpers = require("../../client/flight-data-helpers");
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('@') ? `@${parallelRouteKey}/` : '') + (segment === '' ? 'page' : segment);
// Last segment
if (segmentPath.length === 2) {
return path;
}
const childSegmentPath = (0, _flightdatahelpers.getNextFlightSegmentPath)(segmentPath);
return treePathToEntrypoint(childSegmentPath, path);
}
function convertDynamicParamTypeToSyntax(dynamicParamTypeShort, param) {
switch(dynamicParamTypeShort){
case 'c':
case 'ci':
return `[...${param}]`;
case 'oc':
return `[[...${param}]]`;
case 'd':
case 'di':
return `[${param}]`;
default:
throw Object.defineProperty(new Error('Unknown dynamic param type'), "__NEXT_ERROR_CODE", {
value: "E378",
enumerable: false,
configurable: true
});
}
}
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 _pagetypes.PAGE_TYPES.PAGES;
if ((0, _utils.isMiddlewareFilename)(pageBundlePath)) return _pagetypes.PAGE_TYPES.ROOT;
return pageBundlePath.startsWith('pages/') ? _pagetypes.PAGE_TYPES.PAGES : pageBundlePath.startsWith('app/') ? _pagetypes.PAGE_TYPES.APP : _pagetypes.PAGE_TYPES.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(_segment.PAGE_SEGMENT_KEY);
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 = /*#__PURE__*/ function(EntryTypes) {
EntryTypes[EntryTypes["ENTRY"] = 0] = "ENTRY";
EntryTypes[EntryTypes["CHILD_ENTRY"] = 1] = "CHILD_ENTRY";
return 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);
}
}
if (rebuild.length > 0) {
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);
}
}
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 || (0, _utils.isMiddlewareFile)(normalizedPagePath)) {
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) {
if (page === _constants.UNDERSCORE_NOT_FOUND_ROUTE_ENTRY) {
const notFoundPath = await (0, _findpagefile.findPageFile)(appDir, 'not-found', extensions, true);
if (notFoundPath) {
return {
filename: (0, _path.join)(appDir, notFoundPath),
bundlePath: `app${_constants.UNDERSCORE_NOT_FOUND_ROUTE_ENTRY}`,
page: _constants.UNDERSCORE_NOT_FOUND_ROUTE_ENTRY
};
}
return {
filename: require.resolve('next/dist/client/components/not-found-error'),
bundlePath: `app${_constants.UNDERSCORE_NOT_FOUND_ROUTE_ENTRY}`,
page: _constants.UNDERSCORE_NOT_FOUND_ROUTE_ENTRY
};
}
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 === '/_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 }) {
const hasAppDir = !!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) {
const pagePaths = [];
for (const entrypoint of entrypoints.values()){
const page = (0, _getroutefromentrypoint.default)(entrypoint.name, hasAppDir);
if (page) {
var _entrypoint_name;
const pageBundleType = ((_entrypoint_name = entrypoint.name) == null ? void 0 : _entrypoint_name.startsWith('app/')) ? _pagetypes.PAGE_TYPES.APP : _pagetypes.PAGE_TYPES.PAGES;
pagePaths.push(getEntryKey(type, pageBundleType, page));
} else if ((0, _utils.isMiddlewareFilename)(entrypoint.name) || (0, _utils.isInstrumentationHookFilename)(entrypoint.name)) {
pagePaths.push(getEntryKey(type, _pagetypes.PAGE_TYPES.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 entryNames = [
...getPagePathsFromEntrypoints(_constants.COMPILER_NAMES.client, clientStats.compilation.entrypoints),
...getPagePathsFromEntrypoints(_constants.COMPILER_NAMES.server, serverStats.compilation.entrypoints),
...edgeServerStats ? getPagePathsFromEntrypoints(_constants.COMPILER_NAMES.edgeServer, edgeServerStats.compilation.entrypoints) : []
];
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, _pagetypes.PAGE_TYPES.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, _pagetypes.PAGE_TYPES.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, appPaths, definition, isApp, url }) {
const stalledTime = 60;
const stalledEnsureTimeout = setTimeout(()=>{
debug(`Ensuring ${page} has taken longer than ${stalledTime}s, if this continues to stall this may be a bug`);
}, stalledTime * 1000);
try {
let route;
if (definition) {
route = definition;
} else {
route = await findPagePathData(rootDir, page, nextConfig.pageExtensions, pagesDir, appDir);
}
const isInsideAppDir = !!appDir && route.filename.startsWith(appDir);
if (typeof isApp === 'boolean' && isApp !== isInsideAppDir) {
Error.stackTraceLimit = 15;
throw Object.defineProperty(new Error(`Ensure bailed, found path "${route.page}" does not match ensure type (${isApp ? 'app' : 'pages'})`), "__NEXT_ERROR_CODE", {
value: "E419",
enumerable: false,
configurable: true
});
}
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;
let pageRuntime = staticInfo.runtime;
if ((0, _utils.isMiddlewareFile)(page) && !nextConfig.experimental.nodeMiddleware) {
pageRuntime = 'edge';
}
(0, _entries.runDependingOnPageType)({
page: route.page,
pageRuntime,
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) {
const routePage = isApp ? route.page : (0, _apppaths.normalizeAppPath)(route.page);
(0, _output.reportTrigger)(routePage, url);
}
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: _scheduler.scheduleOnNextTick
});
return {
async ensurePage ({ page, appPaths = null, definition, isApp, url }) {
// 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,
appPaths,
definition,
isApp
}, async ()=>{
await ensurePageImpl({
page,
appPaths,
definition,
isApp,
url
});
});
},
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 {}
});
}
};
}
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