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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); Object.defineProperty(exports, "headers", { enumerable: true, get: function() { return headers; } }); const _headers = require("../web/spec-extension/adapters/headers"); const _workasyncstorageexternal = require("../app-render/work-async-storage.external"); const _workunitasyncstorageexternal = require("../app-render/work-unit-async-storage.external"); const _dynamicrendering = require("../app-render/dynamic-rendering"); const _staticgenerationbailout = require("../../client/components/static-generation-bailout"); const _dynamicrenderingutils = require("../dynamic-rendering-utils"); const _creatededupedbycallsiteservererrorlogger = require("../create-deduped-by-callsite-server-error-logger"); const _scheduler = require("../../lib/scheduler"); const _utils = require("./utils"); function headers() { const workStore = _workasyncstorageexternal.workAsyncStorage.getStore(); const workUnitStore = _workunitasyncstorageexternal.workUnitAsyncStorage.getStore(); if (workStore) { if (workUnitStore && workUnitStore.phase === 'after' && !(0, _utils.isRequestAPICallableInsideAfter)()) { throw Object.defineProperty(new Error(`Route ${workStore.route} used "headers" inside "after(...)". This is not supported. If you need this data inside an "after" callback, use "headers" outside of the callback. See more info here: https://nextjs.org/docs/canary/app/api-reference/functions/after`), "__NEXT_ERROR_CODE", { value: "E367", enumerable: false, configurable: true }); } if (workStore.forceStatic) { // When using forceStatic we override all other logic and always just return an empty // headers object without tracking const underlyingHeaders = _headers.HeadersAdapter.seal(new Headers({})); return makeUntrackedExoticHeaders(underlyingHeaders); } if (workUnitStore) { if (workUnitStore.type === 'cache') { throw Object.defineProperty(new Error(`Route ${workStore.route} used "headers" inside "use cache". Accessing Dynamic data sources inside a cache scope is not supported. If you need this data inside a cached function use "headers" outside of the cached function and pass the required dynamic data in as an argument. See more info here: https://nextjs.org/docs/messages/next-request-in-use-cache`), "__NEXT_ERROR_CODE", { value: "E304", enumerable: false, configurable: true }); } else if (workUnitStore.type === 'unstable-cache') { throw Object.defineProperty(new Error(`Route ${workStore.route} used "headers" inside a function cached with "unstable_cache(...)". Accessing Dynamic data sources inside a cache scope is not supported. If you need this data inside a cached function use "headers" outside of the cached function and pass the required dynamic data in as an argument. See more info here: https://nextjs.org/docs/app/api-reference/functions/unstable_cache`), "__NEXT_ERROR_CODE", { value: "E127", enumerable: false, configurable: true }); } } if (workStore.dynamicShouldError) { throw Object.defineProperty(new _staticgenerationbailout.StaticGenBailoutError(`Route ${workStore.route} with \`dynamic = "error"\` couldn't be rendered statically because it used \`headers\`. See more info here: https://nextjs.org/docs/app/building-your-application/rendering/static-and-dynamic#dynamic-rendering`), "__NEXT_ERROR_CODE", { value: "E525", enumerable: false, configurable: true }); } if (workUnitStore) { if (workUnitStore.type === 'prerender') { // dynamicIO Prerender // We don't track dynamic access here because access will be tracked when you access // one of the properties of the headers object. return makeDynamicallyTrackedExoticHeaders(workStore.route, workUnitStore); } else if (workUnitStore.type === 'prerender-ppr') { // PPR Prerender (no dynamicIO) // We are prerendering with PPR. We need track dynamic access here eagerly // to keep continuity with how headers has worked in PPR without dynamicIO. // TODO consider switching the semantic to throw on property access instead (0, _dynamicrendering.postponeWithTracking)(workStore.route, 'headers', workUnitStore.dynamicTracking); } else if (workUnitStore.type === 'prerender-legacy') { // Legacy Prerender // We are in a legacy static generation mode while prerendering // We track dynamic access here so we don't need to wrap the headers in // individual property access tracking. (0, _dynamicrendering.throwToInterruptStaticGeneration)('headers', workStore, workUnitStore); } } // We fall through to the dynamic context below but we still track dynamic access // because in dev we can still error for things like using headers inside a cache context (0, _dynamicrendering.trackDynamicDataInDynamicRender)(workStore, workUnitStore); } const requestStore = (0, _workunitasyncstorageexternal.getExpectedRequestStore)('headers'); if (process.env.NODE_ENV === 'development' && !(workStore == null ? void 0 : workStore.isPrefetchRequest)) { return makeUntrackedExoticHeadersWithDevWarnings(requestStore.headers, workStore == null ? void 0 : workStore.route); } else { return makeUntrackedExoticHeaders(requestStore.headers); } } const CachedHeaders = new WeakMap(); function makeDynamicallyTrackedExoticHeaders(route, prerenderStore) { const cachedHeaders = CachedHeaders.get(prerenderStore); if (cachedHeaders) { return cachedHeaders; } const promise = (0, _dynamicrenderingutils.makeHangingPromise)(prerenderStore.renderSignal, '`headers()`'); CachedHeaders.set(prerenderStore, promise); Object.defineProperties(promise, { append: { value: function append() { const expression = `\`headers().append(${describeNameArg(arguments[0])}, ...)\``; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, delete: { value: function _delete() { const expression = `\`headers().delete(${describeNameArg(arguments[0])})\``; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, get: { value: function get() { const expression = `\`headers().get(${describeNameArg(arguments[0])})\``; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, has: { value: function has() { const expression = `\`headers().has(${describeNameArg(arguments[0])})\``; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, set: { value: function set() { const expression = `\`headers().set(${describeNameArg(arguments[0])}, ...)\``; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, getSetCookie: { value: function getSetCookie() { const expression = '`headers().getSetCookie()`'; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, forEach: { value: function forEach() { const expression = '`headers().forEach(...)`'; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, keys: { value: function keys() { const expression = '`headers().keys()`'; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, values: { value: function values() { const expression = '`headers().values()`'; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, entries: { value: function entries() { const expression = '`headers().entries()`'; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } }, [Symbol.iterator]: { value: function() { const expression = '`headers()[Symbol.iterator]()`'; const error = createHeadersAccessError(route, expression); (0, _dynamicrendering.abortAndThrowOnSynchronousRequestDataAccess)(route, expression, error, prerenderStore); } } }); return promise; } function makeUntrackedExoticHeaders(underlyingHeaders) { const cachedHeaders = CachedHeaders.get(underlyingHeaders); if (cachedHeaders) { return cachedHeaders; } const promise = Promise.resolve(underlyingHeaders); CachedHeaders.set(underlyingHeaders, promise); Object.defineProperties(promise, { append: { value: underlyingHeaders.append.bind(underlyingHeaders) }, delete: { value: underlyingHeaders.delete.bind(underlyingHeaders) }, get: { value: underlyingHeaders.get.bind(underlyingHeaders) }, has: { value: underlyingHeaders.has.bind(underlyingHeaders) }, set: { value: underlyingHeaders.set.bind(underlyingHeaders) }, getSetCookie: { value: underlyingHeaders.getSetCookie.bind(underlyingHeaders) }, forEach: { value: underlyingHeaders.forEach.bind(underlyingHeaders) }, keys: { value: underlyingHeaders.keys.bind(underlyingHeaders) }, values: { value: underlyingHeaders.values.bind(underlyingHeaders) }, entries: { value: underlyingHeaders.entries.bind(underlyingHeaders) }, [Symbol.iterator]: { value: underlyingHeaders[Symbol.iterator].bind(underlyingHeaders) } }); return promise; } function makeUntrackedExoticHeadersWithDevWarnings(underlyingHeaders, route) { const cachedHeaders = CachedHeaders.get(underlyingHeaders); if (cachedHeaders) { return cachedHeaders; } const promise = new Promise((resolve)=>(0, _scheduler.scheduleImmediate)(()=>resolve(underlyingHeaders))); CachedHeaders.set(underlyingHeaders, promise); Object.defineProperties(promise, { append: { value: function append() { const expression = `\`headers().append(${describeNameArg(arguments[0])}, ...)\``; syncIODev(route, expression); return underlyingHeaders.append.apply(underlyingHeaders, arguments); } }, delete: { value: function _delete() { const expression = `\`headers().delete(${describeNameArg(arguments[0])})\``; syncIODev(route, expression); return underlyingHeaders.delete.apply(underlyingHeaders, arguments); } }, get: { value: function get() { const expression = `\`headers().get(${describeNameArg(arguments[0])})\``; syncIODev(route, expression); return underlyingHeaders.get.apply(underlyingHeaders, arguments); } }, has: { value: function has() { const expression = `\`headers().has(${describeNameArg(arguments[0])})\``; syncIODev(route, expression); return underlyingHeaders.has.apply(underlyingHeaders, arguments); } }, set: { value: function set() { const expression = `\`headers().set(${describeNameArg(arguments[0])}, ...)\``; syncIODev(route, expression); return underlyingHeaders.set.apply(underlyingHeaders, arguments); } }, getSetCookie: { value: function getSetCookie() { const expression = '`headers().getSetCookie()`'; syncIODev(route, expression); return underlyingHeaders.getSetCookie.apply(underlyingHeaders, arguments); } }, forEach: { value: function forEach() { const expression = '`headers().forEach(...)`'; syncIODev(route, expression); return underlyingHeaders.forEach.apply(underlyingHeaders, arguments); } }, keys: { value: function keys() { const expression = '`headers().keys()`'; syncIODev(route, expression); return underlyingHeaders.keys.apply(underlyingHeaders, arguments); } }, values: { value: function values() { const expression = '`headers().values()`'; syncIODev(route, expression); return underlyingHeaders.values.apply(underlyingHeaders, arguments); } }, entries: { value: function entries() { const expression = '`headers().entries()`'; syncIODev(route, expression); return underlyingHeaders.entries.apply(underlyingHeaders, arguments); } }, [Symbol.iterator]: { value: function() { const expression = '`...headers()` or similar iteration'; syncIODev(route, expression); return underlyingHeaders[Symbol.iterator].apply(underlyingHeaders, arguments); } } }); return promise; } function describeNameArg(arg) { return typeof arg === 'string' ? `'${arg}'` : '...'; } function syncIODev(route, expression) { const workUnitStore = _workunitasyncstorageexternal.workUnitAsyncStorage.getStore(); if (workUnitStore && workUnitStore.type === 'request' && workUnitStore.prerenderPhase === true) { // When we're rendering dynamically in dev we need to advance out of the // Prerender environment when we read Request data synchronously const requestStore = workUnitStore; (0, _dynamicrendering.trackSynchronousRequestDataAccessInDev)(requestStore); } // In all cases we warn normally warnForSyncAccess(route, expression); } const warnForSyncAccess = (0, _creatededupedbycallsiteservererrorlogger.createDedupedByCallsiteServerErrorLoggerDev)(createHeadersAccessError); function createHeadersAccessError(route, expression) { const prefix = route ? `Route "${route}" ` : 'This route '; return Object.defineProperty(new Error(`${prefix}used ${expression}. ` + `\`headers()\` should be awaited before using its value. ` + `Learn more: https://nextjs.org/docs/messages/sync-dynamic-apis`), "__NEXT_ERROR_CODE", { value: "E277", enumerable: false, configurable: true }); } //# sourceMappingURL=headers.js.map