401 lines
19 KiB
JavaScript
401 lines
19 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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CacheHandler: null,
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IncrementalCache: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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CacheHandler: function() {
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return CacheHandler;
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},
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IncrementalCache: function() {
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return IncrementalCache;
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}
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});
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const _responsecache = require("../../response-cache");
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const _filesystemcache = /*#__PURE__*/ _interop_require_default(require("./file-system-cache"));
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const _normalizepagepath = require("../../../shared/lib/page-path/normalize-page-path");
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const _constants = require("../../../lib/constants");
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const _toroute = require("../to-route");
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const _sharedcachecontrols = require("./shared-cache-controls");
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const _workunitasyncstorageexternal = require("../../app-render/work-unit-async-storage.external");
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const _invarianterror = require("../../../shared/lib/invariant-error");
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const _serverutils = require("../../server-utils");
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const _workasyncstorageexternal = require("../../app-render/work-async-storage.external");
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function _interop_require_default(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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class CacheHandler {
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// eslint-disable-next-line
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constructor(_ctx){}
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async get(_cacheKey, _ctx) {
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return {};
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}
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async set(_cacheKey, _data, _ctx) {}
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async revalidateTag(..._args) {}
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resetRequestCache() {}
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}
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class IncrementalCache {
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constructor({ fs, dev, flushToDisk, minimalMode, serverDistDir, requestHeaders, requestProtocol, maxMemoryCacheSize, getPrerenderManifest, fetchCacheKeyPrefix, CurCacheHandler, allowedRevalidateHeaderKeys }){
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var _this_prerenderManifest_preview, _this_prerenderManifest;
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this.locks = new Map();
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const debug = !!process.env.NEXT_PRIVATE_DEBUG_CACHE;
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this.hasCustomCacheHandler = Boolean(CurCacheHandler);
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const cacheHandlersSymbol = Symbol.for('@next/cache-handlers');
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const _globalThis = globalThis;
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if (!CurCacheHandler) {
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// if we have a global cache handler available leverage it
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const globalCacheHandler = _globalThis[cacheHandlersSymbol];
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if (globalCacheHandler == null ? void 0 : globalCacheHandler.FetchCache) {
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CurCacheHandler = globalCacheHandler.FetchCache;
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} else {
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if (fs && serverDistDir) {
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if (debug) {
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console.log('using filesystem cache handler');
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}
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CurCacheHandler = _filesystemcache.default;
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}
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}
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} else if (debug) {
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console.log('using custom cache handler', CurCacheHandler.name);
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}
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if (process.env.__NEXT_TEST_MAX_ISR_CACHE) {
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// Allow cache size to be overridden for testing purposes
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maxMemoryCacheSize = parseInt(process.env.__NEXT_TEST_MAX_ISR_CACHE, 10);
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}
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this.dev = dev;
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this.disableForTestmode = process.env.NEXT_PRIVATE_TEST_PROXY === 'true';
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// this is a hack to avoid Webpack knowing this is equal to this.minimalMode
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// because we replace this.minimalMode to true in production bundles.
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const minimalModeKey = 'minimalMode';
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this[minimalModeKey] = minimalMode;
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this.requestHeaders = requestHeaders;
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this.requestProtocol = requestProtocol;
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this.allowedRevalidateHeaderKeys = allowedRevalidateHeaderKeys;
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this.prerenderManifest = getPrerenderManifest();
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this.cacheControls = new _sharedcachecontrols.SharedCacheControls(this.prerenderManifest);
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this.fetchCacheKeyPrefix = fetchCacheKeyPrefix;
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let revalidatedTags = [];
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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)) {
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this.isOnDemandRevalidate = true;
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}
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if (minimalMode) {
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var _this_prerenderManifest_preview1, _this_prerenderManifest1;
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revalidatedTags = (0, _serverutils.getPreviouslyRevalidatedTags)(requestHeaders, (_this_prerenderManifest1 = this.prerenderManifest) == null ? void 0 : (_this_prerenderManifest_preview1 = _this_prerenderManifest1.preview) == null ? void 0 : _this_prerenderManifest_preview1.previewModeId);
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}
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if (CurCacheHandler) {
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this.cacheHandler = new CurCacheHandler({
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dev,
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fs,
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flushToDisk,
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serverDistDir,
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revalidatedTags,
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maxMemoryCacheSize,
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_requestHeaders: requestHeaders,
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fetchCacheKeyPrefix
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});
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}
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}
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calculateRevalidate(pathname, fromTime, dev, isFallback) {
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// in development we don't have a prerender-manifest
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// and default to always revalidating to allow easier debugging
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if (dev) return Math.floor(performance.timeOrigin + performance.now() - 1000);
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const cacheControl = this.cacheControls.get((0, _toroute.toRoute)(pathname));
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// if an entry isn't present in routes we fallback to a default
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// of revalidating after 1 second unless it's a fallback request.
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const initialRevalidateSeconds = cacheControl ? cacheControl.revalidate : isFallback ? false : 1;
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const revalidateAfter = typeof initialRevalidateSeconds === 'number' ? initialRevalidateSeconds * 1000 + fromTime : initialRevalidateSeconds;
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return revalidateAfter;
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}
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_getPathname(pathname, fetchCache) {
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return fetchCache ? pathname : (0, _normalizepagepath.normalizePagePath)(pathname);
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}
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resetRequestCache() {
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var _this_cacheHandler_resetRequestCache, _this_cacheHandler;
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(_this_cacheHandler = this.cacheHandler) == null ? void 0 : (_this_cacheHandler_resetRequestCache = _this_cacheHandler.resetRequestCache) == null ? void 0 : _this_cacheHandler_resetRequestCache.call(_this_cacheHandler);
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}
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async lock(cacheKey) {
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let unlockNext = ()=>Promise.resolve();
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const existingLock = this.locks.get(cacheKey);
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if (existingLock) {
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await existingLock;
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}
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const newLock = new Promise((resolve)=>{
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unlockNext = async ()=>{
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resolve();
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this.locks.delete(cacheKey) // Remove the lock upon release
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;
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};
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});
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this.locks.set(cacheKey, newLock);
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return unlockNext;
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}
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async revalidateTag(tags) {
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var _this_cacheHandler;
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return (_this_cacheHandler = this.cacheHandler) == null ? void 0 : _this_cacheHandler.revalidateTag(tags);
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}
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// x-ref: https://github.com/facebook/react/blob/2655c9354d8e1c54ba888444220f63e836925caa/packages/react/src/ReactFetch.js#L23
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async generateCacheKey(url, init = {}) {
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// this should be bumped anytime a fix is made to cache entries
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// that should bust the cache
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const MAIN_KEY_PREFIX = 'v3';
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const bodyChunks = [];
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const encoder = new TextEncoder();
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const decoder = new TextDecoder();
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if (init.body) {
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// handle ReadableStream body
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if (typeof init.body.getReader === 'function') {
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const readableBody = init.body;
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const chunks = [];
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try {
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await readableBody.pipeTo(new WritableStream({
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write (chunk) {
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if (typeof chunk === 'string') {
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chunks.push(encoder.encode(chunk));
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bodyChunks.push(chunk);
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} else {
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chunks.push(chunk);
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bodyChunks.push(decoder.decode(chunk, {
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stream: true
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}));
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}
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}
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}));
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// Flush the decoder.
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bodyChunks.push(decoder.decode());
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// Create a new buffer with all the chunks.
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const length = chunks.reduce((total, arr)=>total + arr.length, 0);
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const arrayBuffer = new Uint8Array(length);
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// Push each of the chunks into the new array buffer.
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let offset = 0;
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for (const chunk of chunks){
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arrayBuffer.set(chunk, offset);
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offset += chunk.length;
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}
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;
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init._ogBody = arrayBuffer;
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} catch (err) {
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console.error('Problem reading body', err);
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}
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} else if (typeof init.body.keys === 'function') {
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const formData = init.body;
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init._ogBody = init.body;
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for (const key of new Set([
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...formData.keys()
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])){
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const values = formData.getAll(key);
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bodyChunks.push(`${key}=${(await Promise.all(values.map(async (val)=>{
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if (typeof val === 'string') {
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return val;
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} else {
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return await val.text();
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}
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}))).join(',')}`);
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}
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// handle blob body
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} else if (typeof init.body.arrayBuffer === 'function') {
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const blob = init.body;
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const arrayBuffer = await blob.arrayBuffer();
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bodyChunks.push(await blob.text());
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init._ogBody = new Blob([
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arrayBuffer
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], {
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type: blob.type
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});
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} else if (typeof init.body === 'string') {
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bodyChunks.push(init.body);
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init._ogBody = init.body;
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}
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}
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const headers = typeof (init.headers || {}).keys === 'function' ? Object.fromEntries(init.headers) : Object.assign({}, init.headers);
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// w3c trace context headers can break request caching and deduplication
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// so we remove them from the cache key
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if ('traceparent' in headers) delete headers['traceparent'];
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if ('tracestate' in headers) delete headers['tracestate'];
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const cacheString = JSON.stringify([
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MAIN_KEY_PREFIX,
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this.fetchCacheKeyPrefix || '',
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url,
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init.method,
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headers,
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init.mode,
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init.redirect,
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init.credentials,
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init.referrer,
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init.referrerPolicy,
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init.integrity,
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init.cache,
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bodyChunks
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]);
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if (process.env.NEXT_RUNTIME === 'edge') {
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function bufferToHex(buffer) {
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return Array.prototype.map.call(new Uint8Array(buffer), (b)=>b.toString(16).padStart(2, '0')).join('');
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}
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const buffer = encoder.encode(cacheString);
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return bufferToHex(await crypto.subtle.digest('SHA-256', buffer));
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} else {
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const crypto1 = require('crypto');
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return crypto1.createHash('sha256').update(cacheString).digest('hex');
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}
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}
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async get(cacheKey, ctx) {
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var _this_cacheHandler, _cacheData_value;
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// Unlike other caches if we have a resume data cache, we use it even if
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// testmode would normally disable it or if requestHeaders say 'no-cache'.
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if (ctx.kind === _responsecache.IncrementalCacheKind.FETCH) {
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const workUnitStore = _workunitasyncstorageexternal.workUnitAsyncStorage.getStore();
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const resumeDataCache = workUnitStore ? (0, _workunitasyncstorageexternal.getRenderResumeDataCache)(workUnitStore) : null;
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if (resumeDataCache) {
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const memoryCacheData = resumeDataCache.fetch.get(cacheKey);
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if ((memoryCacheData == null ? void 0 : memoryCacheData.kind) === _responsecache.CachedRouteKind.FETCH) {
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return {
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isStale: false,
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value: memoryCacheData
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};
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}
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}
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}
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// we don't leverage the prerender cache in dev mode
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// so that getStaticProps is always called for easier debugging
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if (this.disableForTestmode || this.dev && (ctx.kind !== _responsecache.IncrementalCacheKind.FETCH || this.requestHeaders['cache-control'] === 'no-cache')) {
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return null;
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}
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cacheKey = this._getPathname(cacheKey, ctx.kind === _responsecache.IncrementalCacheKind.FETCH);
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const cacheData = await ((_this_cacheHandler = this.cacheHandler) == null ? void 0 : _this_cacheHandler.get(cacheKey, ctx));
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if (ctx.kind === _responsecache.IncrementalCacheKind.FETCH) {
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var _cacheData_value1;
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if (!cacheData) {
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return null;
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}
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if (((_cacheData_value1 = cacheData.value) == null ? void 0 : _cacheData_value1.kind) !== _responsecache.CachedRouteKind.FETCH) {
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var _cacheData_value2;
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throw Object.defineProperty(new _invarianterror.InvariantError(`Expected cached value for cache key ${JSON.stringify(cacheKey)} to be a "FETCH" kind, got ${JSON.stringify((_cacheData_value2 = cacheData.value) == null ? void 0 : _cacheData_value2.kind)} instead.`), "__NEXT_ERROR_CODE", {
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value: "E653",
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enumerable: false,
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configurable: true
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});
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}
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const workStore = _workasyncstorageexternal.workAsyncStorage.getStore();
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const combinedTags = [
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...ctx.tags || [],
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...ctx.softTags || []
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];
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// if a tag was revalidated we don't return stale data
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if (combinedTags.some((tag)=>{
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var _this_revalidatedTags, _workStore_pendingRevalidatedTags;
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return ((_this_revalidatedTags = this.revalidatedTags) == null ? void 0 : _this_revalidatedTags.includes(tag)) || (workStore == null ? void 0 : (_workStore_pendingRevalidatedTags = workStore.pendingRevalidatedTags) == null ? void 0 : _workStore_pendingRevalidatedTags.includes(tag));
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})) {
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return null;
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}
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const revalidate = ctx.revalidate || cacheData.value.revalidate;
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const age = (performance.timeOrigin + performance.now() - (cacheData.lastModified || 0)) / 1000;
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const isStale = age > revalidate;
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const data = cacheData.value.data;
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return {
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isStale,
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value: {
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kind: _responsecache.CachedRouteKind.FETCH,
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data,
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revalidate
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}
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};
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} else if ((cacheData == null ? void 0 : (_cacheData_value = cacheData.value) == null ? void 0 : _cacheData_value.kind) === _responsecache.CachedRouteKind.FETCH) {
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throw Object.defineProperty(new _invarianterror.InvariantError(`Expected cached value for cache key ${JSON.stringify(cacheKey)} not to be a ${JSON.stringify(ctx.kind)} kind, got "FETCH" instead.`), "__NEXT_ERROR_CODE", {
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value: "E652",
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enumerable: false,
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configurable: true
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});
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}
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let entry = null;
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const { isFallback } = ctx;
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const cacheControl = this.cacheControls.get((0, _toroute.toRoute)(cacheKey));
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let isStale;
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let revalidateAfter;
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if ((cacheData == null ? void 0 : cacheData.lastModified) === -1) {
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isStale = -1;
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revalidateAfter = -1 * _constants.CACHE_ONE_YEAR;
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} else {
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revalidateAfter = this.calculateRevalidate(cacheKey, (cacheData == null ? void 0 : cacheData.lastModified) || performance.timeOrigin + performance.now(), this.dev ?? false, ctx.isFallback);
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isStale = revalidateAfter !== false && revalidateAfter < performance.timeOrigin + performance.now() ? true : undefined;
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}
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if (cacheData) {
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entry = {
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isStale,
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cacheControl,
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revalidateAfter,
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value: cacheData.value,
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isFallback
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};
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}
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if (!cacheData && this.prerenderManifest.notFoundRoutes.includes(cacheKey)) {
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// for the first hit after starting the server the cache
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// may not have a way to save notFound: true so if
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// the prerender-manifest marks this as notFound then we
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// return that entry and trigger a cache set to give it a
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// chance to update in-memory entries
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entry = {
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isStale,
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value: null,
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cacheControl,
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revalidateAfter,
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isFallback
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};
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this.set(cacheKey, entry.value, {
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...ctx,
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cacheControl
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});
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}
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return entry;
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}
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async set(pathname, data, ctx) {
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// Even if we otherwise disable caching for testMode or if no fetchCache is
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// configured we still always stash results in the resume data cache if one
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// exists. This is because this is a transient in memory cache that
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// populates caches ahead of a dynamic render in dev mode to allow the RSC
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// debug info to have the right environment associated to it.
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if ((data == null ? void 0 : data.kind) === _responsecache.CachedRouteKind.FETCH) {
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const workUnitStore = _workunitasyncstorageexternal.workUnitAsyncStorage.getStore();
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const prerenderResumeDataCache = workUnitStore ? (0, _workunitasyncstorageexternal.getPrerenderResumeDataCache)(workUnitStore) : null;
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if (prerenderResumeDataCache) {
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prerenderResumeDataCache.fetch.set(pathname, data);
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}
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}
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if (this.disableForTestmode || this.dev && !ctx.fetchCache) return;
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pathname = this._getPathname(pathname, ctx.fetchCache);
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// FetchCache has upper limit of 2MB per-entry currently
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const itemSize = JSON.stringify(data).length;
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if (ctx.fetchCache && // we don't show this error/warning when a custom cache handler is being used
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// as it might not have this limit
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!this.hasCustomCacheHandler && itemSize > 2 * 1024 * 1024) {
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if (this.dev) {
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throw Object.defineProperty(new Error(`Failed to set Next.js data cache, items over 2MB can not be cached (${itemSize} bytes)`), "__NEXT_ERROR_CODE", {
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value: "E86",
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enumerable: false,
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configurable: true
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});
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}
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return;
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}
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try {
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var _this_cacheHandler;
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if (!ctx.fetchCache && ctx.cacheControl) {
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this.cacheControls.set((0, _toroute.toRoute)(pathname), ctx.cacheControl);
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}
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await ((_this_cacheHandler = this.cacheHandler) == null ? void 0 : _this_cacheHandler.set(pathname, data, ctx));
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} catch (error) {
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console.warn('Failed to update prerender cache for', pathname, error);
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}
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}
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}
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//# sourceMappingURL=index.js.map
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