181 lines
7.2 KiB
JavaScript
181 lines
7.2 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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exports.default = void 0;
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var _renderResult = _interopRequireDefault(require("../render-result"));
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var _types = _interopRequireWildcard(require("./types"));
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Object.keys(_types).forEach(function(key) {
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if (key === "default" || key === "__esModule") return;
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if (key in exports && exports[key] === _types[key]) return;
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Object.defineProperty(exports, key, {
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enumerable: true,
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get: function() {
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return _types[key];
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}
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});
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});
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class ResponseCache {
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constructor(minimalMode){
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this.pendingResponses = new Map();
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this.minimalMode = minimalMode;
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}
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get(key, responseGenerator, context) {
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var ref3;
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const { incrementalCache } = context;
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// ensure manual revalidate doesn't block normal requests
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const pendingResponseKey = key ? `${key}-${context.isManualRevalidate ? "1" : "0"}` : null;
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const pendingResponse = pendingResponseKey ? this.pendingResponses.get(pendingResponseKey) : null;
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if (pendingResponse) {
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return pendingResponse;
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}
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let resolver = ()=>{};
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let rejecter = ()=>{};
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const promise = new Promise((resolve, reject)=>{
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resolver = resolve;
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rejecter = reject;
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});
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if (pendingResponseKey) {
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this.pendingResponses.set(pendingResponseKey, promise);
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}
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let resolved = false;
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const resolve1 = (cacheEntry)=>{
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if (pendingResponseKey) {
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// Ensure all reads from the cache get the latest value.
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this.pendingResponses.set(pendingResponseKey, Promise.resolve(cacheEntry));
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}
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if (!resolved) {
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resolved = true;
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resolver(cacheEntry);
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}
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};
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// we keep the previous cache entry around to leverage
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// when the incremental cache is disabled in minimal mode
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if (pendingResponseKey && this.minimalMode && ((ref3 = this.previousCacheItem) == null ? void 0 : ref3.key) === pendingResponseKey && this.previousCacheItem.expiresAt > Date.now()) {
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resolve1(this.previousCacheItem.entry);
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this.pendingResponses.delete(pendingResponseKey);
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return promise;
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}
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(async ()=>{
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let cachedResponse = null;
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try {
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cachedResponse = key && !this.minimalMode ? await incrementalCache.get(key) : null;
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if (cachedResponse && !context.isManualRevalidate) {
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var ref, ref1;
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if (((ref = cachedResponse.value) == null ? void 0 : ref.kind) === "FETCH") {
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throw new Error(`invariant: unexpected cachedResponse of kind fetch in response cache`);
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}
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resolve1({
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isStale: cachedResponse.isStale,
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revalidate: cachedResponse.curRevalidate,
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value: ((ref1 = cachedResponse.value) == null ? void 0 : ref1.kind) === "PAGE" ? {
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kind: "PAGE",
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html: _renderResult.default.fromStatic(cachedResponse.value.html),
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pageData: cachedResponse.value.pageData
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} : cachedResponse.value
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});
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if (!cachedResponse.isStale || context.isPrefetch) {
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// The cached value is still valid, so we don't need
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// to update it yet.
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return;
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}
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}
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const cacheEntry = await responseGenerator(resolved, !!cachedResponse);
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const resolveValue = cacheEntry === null ? null : {
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...cacheEntry,
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isMiss: !cachedResponse
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};
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// for manual revalidate wait to resolve until cache is set
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if (!context.isManualRevalidate) {
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resolve1(resolveValue);
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}
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if (key && cacheEntry && typeof cacheEntry.revalidate !== "undefined") {
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if (this.minimalMode) {
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this.previousCacheItem = {
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key: pendingResponseKey || key,
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entry: cacheEntry,
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expiresAt: Date.now() + 1000
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};
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} else {
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var ref2;
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await incrementalCache.set(key, ((ref2 = cacheEntry.value) == null ? void 0 : ref2.kind) === "PAGE" ? {
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kind: "PAGE",
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html: cacheEntry.value.html.toUnchunkedString(),
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pageData: cacheEntry.value.pageData
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} : cacheEntry.value, cacheEntry.revalidate);
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}
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} else {
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this.previousCacheItem = undefined;
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}
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if (context.isManualRevalidate) {
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resolve1(resolveValue);
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}
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} catch (err) {
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// when a getStaticProps path is erroring we automatically re-set the
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// existing cache under a new expiration to prevent non-stop retrying
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if (cachedResponse && key) {
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await incrementalCache.set(key, cachedResponse.value, Math.min(Math.max(cachedResponse.revalidate || 3, 3), 30));
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}
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// while revalidating in the background we can't reject as
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// we already resolved the cache entry so log the error here
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if (resolved) {
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console.error(err);
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} else {
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rejecter(err);
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}
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} finally{
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if (pendingResponseKey) {
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this.pendingResponses.delete(pendingResponseKey);
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}
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}
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})();
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return promise;
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}
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}
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exports.default = ResponseCache;
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function _interopRequireDefault(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 _getRequireWildcardCache() {
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if (typeof WeakMap !== "function") return null;
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var cache = new WeakMap();
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_getRequireWildcardCache = function() {
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return cache;
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};
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return cache;
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}
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function _interopRequireWildcard(obj) {
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if (obj && obj.__esModule) {
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return obj;
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}
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if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
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return {
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default: obj
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};
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}
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var cache = _getRequireWildcardCache();
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if (cache && cache.has(obj)) {
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return cache.get(obj);
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}
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var newObj = {};
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var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
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for(var key in obj){
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if (Object.prototype.hasOwnProperty.call(obj, key)) {
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var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
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if (desc && (desc.get || desc.set)) {
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Object.defineProperty(newObj, key, desc);
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} else {
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newObj[key] = obj[key];
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}
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}
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}
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newObj.default = obj;
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if (cache) {
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cache.set(obj, newObj);
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}
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return newObj;
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}
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//# sourceMappingURL=index.js.map
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