395 lines
18 KiB
JavaScript
395 lines
18 KiB
JavaScript
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"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 _fetchcache = /*#__PURE__*/ _interop_require_default(require("./fetch-cache"));
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const _filesystemcache = /*#__PURE__*/ _interop_require_default(require("./file-system-cache"));
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const _path = /*#__PURE__*/ _interop_require_default(require("../../../shared/lib/isomorphic/path"));
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const _encodedecode = require("../../stream-utils/encode-decode");
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const _base64arraybuffer = require("../../../shared/lib/base64-arraybuffer");
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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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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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function toRoute(pathname) {
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return pathname.replace(/\/$/, "").replace(/\/index$/, "") || "/";
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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(..._args) {
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return {};
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}
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async set(..._args) {}
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async revalidateTag(_tag) {}
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}
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class IncrementalCache {
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constructor({ fs, dev, appDir, flushToDisk, fetchCache, minimalMode, serverDistDir, requestHeaders, requestProtocol, maxMemoryCacheSize, getPrerenderManifest, fetchCacheKeyPrefix, CurCacheHandler, allowedRevalidateHeaderKeys }){
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var _this_prerenderManifest_preview, _this_prerenderManifest, _this_prerenderManifest_preview1, _this_prerenderManifest1;
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this.locks = new Map();
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this.unlocks = new Map();
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const debug = !!process.env.NEXT_PRIVATE_DEBUG_CACHE;
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if (!CurCacheHandler) {
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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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if (_fetchcache.default.isAvailable({
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_requestHeaders: requestHeaders
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}) && minimalMode && fetchCache) {
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if (debug) {
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console.log("using fetch cache handler");
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}
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CurCacheHandler = _fetchcache.default;
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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 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.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 && 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)) {
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revalidatedTags = requestHeaders[_constants.NEXT_CACHE_REVALIDATED_TAGS_HEADER].split(",");
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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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_appDir: !!appDir,
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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) {
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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 new Date().getTime() - 1000;
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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
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const { initialRevalidateSeconds } = this.prerenderManifest.routes[toRoute(pathname)] || {
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initialRevalidateSeconds: 1
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};
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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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async unlock(cacheKey) {
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const unlock = this.unlocks.get(cacheKey);
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if (unlock) {
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unlock();
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this.locks.delete(cacheKey);
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this.unlocks.delete(cacheKey);
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}
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}
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async lock(cacheKey) {
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if (process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT && process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY && process.env.NEXT_RUNTIME !== "edge") {
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const invokeIpcMethod = require("../server-ipc/request-utils").invokeIpcMethod;
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await invokeIpcMethod({
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method: "lock",
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ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
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ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
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args: [
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cacheKey
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]
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});
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return async ()=>{
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await invokeIpcMethod({
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method: "unlock",
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ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
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ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
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args: [
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cacheKey
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]
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});
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};
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}
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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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} else {
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const newLock = new Promise((resolve)=>{
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unlockNext = async ()=>{
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resolve();
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};
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});
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this.locks.set(cacheKey, newLock);
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this.unlocks.set(cacheKey, unlockNext);
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}
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return unlockNext;
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}
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async revalidateTag(tag) {
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var _this_cacheHandler_revalidateTag, _this_cacheHandler;
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if (process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT && process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY && process.env.NEXT_RUNTIME !== "edge") {
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const invokeIpcMethod = require("../server-ipc/request-utils").invokeIpcMethod;
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return invokeIpcMethod({
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method: "revalidateTag",
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ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
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ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
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args: [
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...arguments
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]
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});
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}
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return (_this_cacheHandler = this.cacheHandler) == null ? void 0 : (_this_cacheHandler_revalidateTag = _this_cacheHandler.revalidateTag) == null ? void 0 : _this_cacheHandler_revalidateTag.call(_this_cacheHandler, tag);
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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 fetchCacheKey(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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let cacheKey;
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const bodyChunks = [];
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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 reader = readableBody.getReader();
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let arrayBuffer = new Uint8Array();
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function processValue({ done, value }) {
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if (done) {
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return;
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}
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if (value) {
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try {
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bodyChunks.push(typeof value === "string" ? value : (0, _base64arraybuffer.encode)(value));
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const curBuffer = typeof value === "string" ? (0, _encodedecode.encodeText)(value) : new Uint8Array(value);
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const prevBuffer = arrayBuffer;
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arrayBuffer = new Uint8Array(prevBuffer.byteLength + curBuffer.byteLength);
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arrayBuffer.set(prevBuffer);
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arrayBuffer.set(curBuffer, prevBuffer.byteLength);
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} catch (err) {
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console.error(err);
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}
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}
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reader.read().then(processValue);
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}
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await reader.read().then(processValue);
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init._ogBody = arrayBuffer;
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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((0, _base64arraybuffer.encode)(await init.body.arrayBuffer()));
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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 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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typeof (init.headers || {}).keys === "function" ? Object.fromEntries(init.headers) : init.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 = (0, _encodedecode.encodeText)(cacheString);
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cacheKey = 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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cacheKey = crypto1.createHash("sha256").update(cacheString).digest("hex");
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}
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return cacheKey;
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}
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// get data from cache if available
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async get(cacheKey, ctx = {}) {
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var _this_cacheHandler, _cacheData_value, _this_prerenderManifest_routes_toRoute;
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if (process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT && process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY && process.env.NEXT_RUNTIME !== "edge") {
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const invokeIpcMethod = require("../server-ipc/request-utils").invokeIpcMethod;
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return invokeIpcMethod({
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method: "get",
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ipcPort: process.env.__NEXT_INCREMENTAL_CACHE_IPC_PORT,
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ipcKey: process.env.__NEXT_INCREMENTAL_CACHE_IPC_KEY,
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args: [
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...arguments
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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.dev && (!ctx.fetchCache || 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.fetchCache);
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let entry = null;
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let revalidate = ctx.revalidate;
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const cacheData = await ((_this_cacheHandler = this.cacheHandler) == null ? void 0 : _this_cacheHandler.get(cacheKey, ctx));
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if ((cacheData == null ? void 0 : (_cacheData_value = cacheData.value) == null ? void 0 : _cacheData_value.kind) === "FETCH") {
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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;
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return (_this_revalidatedTags = this.revalidatedTags) == null ? void 0 : _this_revalidatedTags.includes(tag);
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})) {
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return null;
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}
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revalidate = revalidate || cacheData.value.revalidate;
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const age = Math.round((Date.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: isStale,
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value: {
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kind: "FETCH",
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data,
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revalidate: revalidate
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},
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revalidateAfter: Date.now() + revalidate * 1000
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};
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}
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const curRevalidate = (_this_prerenderManifest_routes_toRoute = this.prerenderManifest.routes[toRoute(cacheKey)]) == null ? void 0 : _this_prerenderManifest_routes_toRoute.initialRevalidateSeconds;
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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) || Date.now(), this.dev && !ctx.fetchCache);
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isStale = revalidateAfter !== false && revalidateAfter < Date.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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curRevalidate,
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revalidateAfter,
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value: cacheData.value
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};
|
||
|
|
}
|
||
|
|
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.dev && !ctx.fetchCache) return;
|
||
|
|
// fetchCache has upper limit of 2MB per-entry currently
|
||
|
|
if (ctx.fetchCache && JSON.stringify(data).length > 2 * 1024 * 1024) {
|
||
|
|
if (this.dev) {
|
||
|
|
throw new Error(`fetch for over 2MB of data can not be cached`);
|
||
|
|
}
|
||
|
|
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] = {
|
||
|
|
dataRoute: _path.default.posix.join("/_next/data", `${(0, _normalizepagepath.normalizePagePath)(pathname)}.json`),
|
||
|
|
srcRoute: null,
|
||
|
|
initialRevalidateSeconds: ctx.revalidate
|
||
|
|
};
|
||
|
|
}
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//# sourceMappingURL=index.js.map
|