File: /var/www/html/orbi-individual/node_modules/next/dist/server/lib/incremental-cache/index.js
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
CacheHandler: null,
IncrementalCache: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
CacheHandler: function() {
return CacheHandler;
},
IncrementalCache: function() {
return IncrementalCache;
}
});
const _fetchcache = /*#__PURE__*/ _interop_require_default(require("./fetch-cache"));
const _filesystemcache = /*#__PURE__*/ _interop_require_default(require("./file-system-cache"));
const _path = /*#__PURE__*/ _interop_require_default(require("../../../shared/lib/isomorphic/path"));
const _normalizepagepath = require("../../../shared/lib/page-path/normalize-page-path");
const _constants = require("../../../lib/constants");
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function toRoute(pathname) {
return pathname.replace(/\/$/, "").replace(/\/index$/, "") || "/";
}
class CacheHandler {
// eslint-disable-next-line
constructor(_ctx){}
async get(..._args) {
return {};
}
async set(..._args) {}
async revalidateTag(..._args) {}
resetRequestCache() {}
}
class IncrementalCache {
constructor({ fs, dev, appDir, pagesDir, flushToDisk, fetchCache, minimalMode, serverDistDir, requestHeaders, requestProtocol, maxMemoryCacheSize, getPrerenderManifest, fetchCacheKeyPrefix, CurCacheHandler, allowedRevalidateHeaderKeys, experimental }){
var _this_prerenderManifest_preview, _this_prerenderManifest, _this_prerenderManifest_preview1, _this_prerenderManifest1;
this.locks = new Map();
this.unlocks = new Map();
const debug = !!process.env.NEXT_PRIVATE_DEBUG_CACHE;
this.hasCustomCacheHandler = Boolean(CurCacheHandler);
if (!CurCacheHandler) {
if (fs && serverDistDir) {
if (debug) {
console.log("using filesystem cache handler");
}
CurCacheHandler = _filesystemcache.default;
}
if (_fetchcache.default.isAvailable({
_requestHeaders: requestHeaders
}) && minimalMode && fetchCache) {
if (debug) {
console.log("using fetch cache handler");
}
CurCacheHandler = _fetchcache.default;
}
} else if (debug) {
console.log("using custom cache handler", CurCacheHandler.name);
}
if (process.env.__NEXT_TEST_MAX_ISR_CACHE) {
// Allow cache size to be overridden for testing purposes
maxMemoryCacheSize = parseInt(process.env.__NEXT_TEST_MAX_ISR_CACHE, 10);
}
this.dev = dev;
this.disableForTestmode = process.env.NEXT_PRIVATE_TEST_PROXY === "true";
// this is a hack to avoid Webpack knowing this is equal to this.minimalMode
// because we replace this.minimalMode to true in production bundles.
const minimalModeKey = "minimalMode";
this[minimalModeKey] = minimalMode;
this.requestHeaders = requestHeaders;
this.requestProtocol = requestProtocol;
this.allowedRevalidateHeaderKeys = allowedRevalidateHeaderKeys;
this.prerenderManifest = getPrerenderManifest();
this.fetchCacheKeyPrefix = fetchCacheKeyPrefix;
let revalidatedTags = [];
if (requestHeaders[_constants.PRERENDER_REVALIDATE_HEADER] === ((_this_prerenderManifest = this.prerenderManifest) == null ? void 0 : (_this_prerenderManifest_preview = _this_prerenderManifest.preview) == null ? void 0 : _this_prerenderManifest_preview.previewModeId)) {
this.isOnDemandRevalidate = true;
}
if (minimalMode && typeof requestHeaders[_constants.NEXT_CACHE_REVALIDATED_TAGS_HEADER] === "string" && requestHeaders[_constants.NEXT_CACHE_REVALIDATE_TAG_TOKEN_HEADER] === ((_this_prerenderManifest1 = this.prerenderManifest) == null ? void 0 : (_this_prerenderManifest_preview1 = _this_prerenderManifest1.preview) == null ? void 0 : _this_prerenderManifest_preview1.previewModeId)) {
revalidatedTags = requestHeaders[_constants.NEXT_CACHE_REVALIDATED_TAGS_HEADER].split(",");
}
if (CurCacheHandler) {
this.cacheHandler = new CurCacheHandler({
dev,
fs,
flushToDisk,
serverDistDir,
revalidatedTags,
maxMemoryCacheSize,
_pagesDir: !!pagesDir,
_appDir: !!appDir,
_requestHeaders: requestHeaders,
fetchCacheKeyPrefix,
experimental
});
}
}
calculateRevalidate(pathname, fromTime, dev) {
// in development we don't have a prerender-manifest
// and default to always revalidating to allow easier debugging
if (dev) return new Date().getTime() - 1000;
// if an entry isn't present in routes we fallback to a default
// of revalidating after 1 second
const { initialRevalidateSeconds } = this.prerenderManifest.routes[toRoute(pathname)] || {
initialRevalidateSeconds: 1
};
const revalidateAfter = typeof initialRevalidateSeconds === "number" ? initialRevalidateSeconds * 1000 + fromTime : initialRevalidateSeconds;
return revalidateAfter;
}
_getPathname(pathname, fetchCache) {
return fetchCache ? pathname : (0, _normalizepagepath.normalizePagePath)(pathname);
}
resetRequestCache() {
var _this_cacheHandler_resetRequestCache, _this_cacheHandler;
(_this_cacheHandler = this.cacheHandler) == null ? void 0 : (_this_cacheHandler_resetRequestCache = _this_cacheHandler.resetRequestCache) == null ? void 0 : _this_cacheHandler_resetRequestCache.call(_this_cacheHandler);
}
async unlock(cacheKey) {
const unlock = this.unlocks.get(cacheKey);
if (unlock) {
unlock();
this.locks.delete(cacheKey);
this.unlocks.delete(cacheKey);
}
}
async lock(cacheKey) {
if (process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT && process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY && process.env.NEXT_RUNTIME !== "edge") {
const invokeIpcMethod = require("../server-ipc/request-utils").invokeIpcMethod;
await invokeIpcMethod({
method: "lock",
ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
args: [
cacheKey
]
});
return async ()=>{
await invokeIpcMethod({
method: "unlock",
ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
args: [
cacheKey
]
});
};
}
let unlockNext = ()=>Promise.resolve();
const existingLock = this.locks.get(cacheKey);
if (existingLock) {
await existingLock;
} else {
const newLock = new Promise((resolve)=>{
unlockNext = async ()=>{
resolve();
};
});
this.locks.set(cacheKey, newLock);
this.unlocks.set(cacheKey, unlockNext);
}
return unlockNext;
}
async revalidateTag(tags) {
var _this_cacheHandler_revalidateTag, _this_cacheHandler;
if (process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT && process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY && process.env.NEXT_RUNTIME !== "edge") {
const invokeIpcMethod = require("../server-ipc/request-utils").invokeIpcMethod;
return invokeIpcMethod({
method: "revalidateTag",
ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
args: [
...arguments
]
});
}
return (_this_cacheHandler = this.cacheHandler) == null ? void 0 : (_this_cacheHandler_revalidateTag = _this_cacheHandler.revalidateTag) == null ? void 0 : _this_cacheHandler_revalidateTag.call(_this_cacheHandler, tags);
}
// x-ref: https://github.com/facebook/react/blob/2655c9354d8e1c54ba888444220f63e836925caa/packages/react/src/ReactFetch.js#L23
async fetchCacheKey(url, init = {}) {
// this should be bumped anytime a fix is made to cache entries
// that should bust the cache
const MAIN_KEY_PREFIX = "v3";
const bodyChunks = [];
const encoder = new TextEncoder();
const decoder = new TextDecoder();
if (init.body) {
// handle ReadableStream body
if (typeof init.body.getReader === "function") {
const readableBody = init.body;
const chunks = [];
try {
await readableBody.pipeTo(new WritableStream({
write (chunk) {
if (typeof chunk === "string") {
chunks.push(encoder.encode(chunk));
bodyChunks.push(chunk);
} else {
chunks.push(chunk);
bodyChunks.push(decoder.decode(chunk, {
stream: true
}));
}
}
}));
// Flush the decoder.
bodyChunks.push(decoder.decode());
// Create a new buffer with all the chunks.
const length = chunks.reduce((total, arr)=>total + arr.length, 0);
const arrayBuffer = new Uint8Array(length);
// Push each of the chunks into the new array buffer.
let offset = 0;
for (const chunk of chunks){
arrayBuffer.set(chunk, offset);
offset += chunk.length;
}
init._ogBody = arrayBuffer;
} catch (err) {
console.error("Problem reading body", err);
}
} else if (typeof init.body.keys === "function") {
const formData = init.body;
init._ogBody = init.body;
for (const key of new Set([
...formData.keys()
])){
const values = formData.getAll(key);
bodyChunks.push(`${key}=${(await Promise.all(values.map(async (val)=>{
if (typeof val === "string") {
return val;
} else {
return await val.text();
}
}))).join(",")}`);
}
// handle blob body
} else if (typeof init.body.arrayBuffer === "function") {
const blob = init.body;
const arrayBuffer = await blob.arrayBuffer();
bodyChunks.push(await blob.text());
init._ogBody = new Blob([
arrayBuffer
], {
type: blob.type
});
} else if (typeof init.body === "string") {
bodyChunks.push(init.body);
init._ogBody = init.body;
}
}
const headers = typeof (init.headers || {}).keys === "function" ? Object.fromEntries(init.headers) : Object.assign({}, init.headers);
if ("traceparent" in headers) delete headers["traceparent"];
const cacheString = JSON.stringify([
MAIN_KEY_PREFIX,
this.fetchCacheKeyPrefix || "",
url,
init.method,
headers,
init.mode,
init.redirect,
init.credentials,
init.referrer,
init.referrerPolicy,
init.integrity,
init.cache,
bodyChunks
]);
if (process.env.NEXT_RUNTIME === "edge") {
function bufferToHex(buffer) {
return Array.prototype.map.call(new Uint8Array(buffer), (b)=>b.toString(16).padStart(2, "0")).join("");
}
const buffer = encoder.encode(cacheString);
return bufferToHex(await crypto.subtle.digest("SHA-256", buffer));
} else {
const crypto1 = require("crypto");
return crypto1.createHash("sha256").update(cacheString).digest("hex");
}
}
// get data from cache if available
async get(cacheKey, ctx = {}) {
var _this_cacheHandler, _cacheData_value, _this_prerenderManifest_routes_toRoute;
if (process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT && process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY && process.env.NEXT_RUNTIME !== "edge") {
const invokeIpcMethod = require("../server-ipc/request-utils").invokeIpcMethod;
return invokeIpcMethod({
method: "get",
ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
args: [
...arguments
]
});
}
// we don't leverage the prerender cache in dev mode
// so that getStaticProps is always called for easier debugging
if (this.disableForTestmode || this.dev && (ctx.kindHint !== "fetch" || this.requestHeaders["cache-control"] === "no-cache")) {
return null;
}
cacheKey = this._getPathname(cacheKey, ctx.kindHint === "fetch");
let entry = null;
let revalidate = ctx.revalidate;
const cacheData = await ((_this_cacheHandler = this.cacheHandler) == null ? void 0 : _this_cacheHandler.get(cacheKey, ctx));
if ((cacheData == null ? void 0 : (_cacheData_value = cacheData.value) == null ? void 0 : _cacheData_value.kind) === "FETCH") {
const combinedTags = [
...ctx.tags || [],
...ctx.softTags || []
];
// if a tag was revalidated we don't return stale data
if (combinedTags.some((tag)=>{
var _this_revalidatedTags;
return (_this_revalidatedTags = this.revalidatedTags) == null ? void 0 : _this_revalidatedTags.includes(tag);
})) {
return null;
}
revalidate = revalidate || cacheData.value.revalidate;
const age = (Date.now() - (cacheData.lastModified || 0)) / 1000;
const isStale = age > revalidate;
const data = cacheData.value.data;
return {
isStale: isStale,
value: {
kind: "FETCH",
data,
revalidate: revalidate
},
revalidateAfter: Date.now() + revalidate * 1000
};
}
const curRevalidate = (_this_prerenderManifest_routes_toRoute = this.prerenderManifest.routes[toRoute(cacheKey)]) == null ? void 0 : _this_prerenderManifest_routes_toRoute.initialRevalidateSeconds;
let isStale;
let revalidateAfter;
if ((cacheData == null ? void 0 : cacheData.lastModified) === -1) {
isStale = -1;
revalidateAfter = -1 * _constants.CACHE_ONE_YEAR;
} else {
revalidateAfter = this.calculateRevalidate(cacheKey, (cacheData == null ? void 0 : cacheData.lastModified) || Date.now(), this.dev && ctx.kindHint !== "fetch");
isStale = revalidateAfter !== false && revalidateAfter < Date.now() ? true : undefined;
}
if (cacheData) {
entry = {
isStale,
curRevalidate,
revalidateAfter,
value: cacheData.value
};
}
if (!cacheData && this.prerenderManifest.notFoundRoutes.includes(cacheKey)) {
// for the first hit after starting the server the cache
// may not have a way to save notFound: true so if
// the prerender-manifest marks this as notFound then we
// return that entry and trigger a cache set to give it a
// chance to update in-memory entries
entry = {
isStale,
value: null,
curRevalidate,
revalidateAfter
};
this.set(cacheKey, entry.value, ctx);
}
return entry;
}
// populate the incremental cache with new data
async set(pathname, data, ctx) {
if (process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT && process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY && process.env.NEXT_RUNTIME !== "edge") {
const invokeIpcMethod = require("../server-ipc/request-utils").invokeIpcMethod;
return invokeIpcMethod({
method: "set",
ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
args: [
...arguments
]
});
}
if (this.disableForTestmode || this.dev && !ctx.fetchCache) return;
// FetchCache has upper limit of 2MB per-entry currently
const itemSize = JSON.stringify(data).length;
if (ctx.fetchCache && // we don't show this error/warning when a custom cache handler is being used
// as it might not have this limit
!this.hasCustomCacheHandler && itemSize > 2 * 1024 * 1024) {
if (this.dev) {
throw new Error(`Failed to set Next.js data cache, items over 2MB can not be cached (${itemSize} bytes)`);
}
return;
}
pathname = this._getPathname(pathname, ctx.fetchCache);
try {
var _this_cacheHandler;
// we use the prerender manifest memory instance
// to store revalidate timings for calculating
// revalidateAfter values so we update this on set
if (typeof ctx.revalidate !== "undefined" && !ctx.fetchCache) {
this.prerenderManifest.routes[pathname] = {
experimentalPPR: undefined,
dataRoute: _path.default.posix.join("/_next/data", `${(0, _normalizepagepath.normalizePagePath)(pathname)}.json`),
srcRoute: null,
initialRevalidateSeconds: ctx.revalidate,
// Pages routes do not have a prefetch data route.
prefetchDataRoute: undefined
};
}
await ((_this_cacheHandler = this.cacheHandler) == null ? void 0 : _this_cacheHandler.set(pathname, data, ctx));
} catch (error) {
console.warn("Failed to update prerender cache for", pathname, error);
}
}
}
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