diff --git a/packages/integration-tests/package.json b/packages/integration-tests/package.json index 54826d45f04b..59ae63a08495 100644 --- a/packages/integration-tests/package.json +++ b/packages/integration-tests/package.json @@ -32,6 +32,7 @@ "@playwright/test": "^1.29.2", "babel-loader": "^8.2.2", "html-webpack-plugin": "^5.5.0", + "pako": "^2.1.0", "playwright": "^1.29.2", "typescript": "^4.5.2", "webpack": "^5.52.0" diff --git a/packages/integration-tests/suites/replay/compression/init.js b/packages/integration-tests/suites/replay/compression/init.js new file mode 100644 index 000000000000..f20e4054e34f --- /dev/null +++ b/packages/integration-tests/suites/replay/compression/init.js @@ -0,0 +1,18 @@ +import * as Sentry from '@sentry/browser'; +import { Replay } from '@sentry/replay'; + +window.Sentry = Sentry; +window.Replay = new Replay({ + flushMinDelay: 500, + flushMaxDelay: 500, + useCompression: true, +}); + +Sentry.init({ + dsn: 'https://public@dsn.ingest.sentry.io/1337', + sampleRate: 0, + replaysSessionSampleRate: 1.0, + replaysOnErrorSampleRate: 0.0, + + integrations: [window.Replay], +}); diff --git a/packages/integration-tests/suites/replay/compression/subject.js b/packages/integration-tests/suites/replay/compression/subject.js new file mode 100644 index 000000000000..7aa69584f070 --- /dev/null +++ b/packages/integration-tests/suites/replay/compression/subject.js @@ -0,0 +1,6 @@ +document.getElementById('go-background').addEventListener('click', () => { + Object.defineProperty(document, 'hidden', { value: true, writable: true }); + const ev = document.createEvent('Event'); + ev.initEvent('visibilitychange'); + document.dispatchEvent(ev); +}); diff --git a/packages/integration-tests/suites/replay/compression/template.html b/packages/integration-tests/suites/replay/compression/template.html new file mode 100644 index 000000000000..31cfc73ec3c3 --- /dev/null +++ b/packages/integration-tests/suites/replay/compression/template.html @@ -0,0 +1,9 @@ + + + + + + + + + diff --git a/packages/integration-tests/suites/replay/compression/test.ts b/packages/integration-tests/suites/replay/compression/test.ts new file mode 100644 index 000000000000..e92d7f2dde40 --- /dev/null +++ b/packages/integration-tests/suites/replay/compression/test.ts @@ -0,0 +1,38 @@ +import { expect } from '@playwright/test'; + +import { sentryTest } from '../../../utils/fixtures'; +import { getExpectedReplayEvent } from '../../../utils/replayEventTemplates'; +import { getFullRecordingSnapshots, getReplayEvent, waitForReplayRequest } from '../../../utils/replayHelpers'; + +sentryTest('replay recording should be compressed by default', async ({ getLocalTestPath, page }) => { + // Replay bundles are es6 only + if (process.env.PW_BUNDLE && process.env.PW_BUNDLE.startsWith('bundle_es5')) { + sentryTest.skip(); + } + + const reqPromise0 = waitForReplayRequest(page, 0); + + await page.route('https://dsn.ingest.sentry.io/**/*', route => { + return route.fulfill({ + status: 200, + contentType: 'application/json', + body: JSON.stringify({ id: 'test-id' }), + }); + }); + + const url = await getLocalTestPath({ testDir: __dirname }); + + await page.goto(url); + const replayEvent0 = getReplayEvent(await reqPromise0); + expect(replayEvent0).toEqual(getExpectedReplayEvent()); + + const snapshots = getFullRecordingSnapshots(await reqPromise0); + expect(snapshots.length).toEqual(1); + + const stringifiedSnapshot = JSON.stringify(snapshots[0]); + expect(stringifiedSnapshot).toContain('"tagName":"body"'); + expect(stringifiedSnapshot).toContain('"tagName":"html"'); + expect(stringifiedSnapshot).toContain('"tagName":"button"'); + expect(stringifiedSnapshot).toContain('"textContent":"*** ***"'); + expect(stringifiedSnapshot).toContain('"id":"go-background"'); +}); diff --git a/packages/integration-tests/utils/replayHelpers.ts b/packages/integration-tests/utils/replayHelpers.ts index 009e40d32047..b133ee1a3fe7 100644 --- a/packages/integration-tests/utils/replayHelpers.ts +++ b/packages/integration-tests/utils/replayHelpers.ts @@ -1,5 +1,6 @@ import type { RecordingEvent, ReplayContainer } from '@sentry/replay/build/npm/types/types'; import type { Breadcrumb, Event, ReplayEvent } from '@sentry/types'; +import pako from 'pako'; import type { Page, Request } from 'playwright'; import { envelopeRequestParser } from './helpers'; @@ -13,6 +14,17 @@ type PerformanceSpan = { data: Record; }; +export type RecordingSnapshot = { + node: SnapshotNode; + initialOffset: number; +}; + +type SnapshotNode = { + type: number; + id: number; + childNodes: SnapshotNode[]; +}; + /** * Waits for a replay request to be sent by the page and returns it. * @@ -85,7 +97,7 @@ export function getCustomRecordingEvents(replayRequest: Request): { breadcrumbs: Breadcrumb[]; performanceSpans: PerformanceSpan[]; } { - const recordingEvents = envelopeRequestParser(replayRequest, 5) as RecordingEvent[]; + const recordingEvents = getDecompressedRecordingEvents(replayRequest); const breadcrumbs = getReplayBreadcrumbs(recordingEvents); const performanceSpans = getReplayPerformanceSpans(recordingEvents); @@ -108,3 +120,60 @@ function getReplayPerformanceSpans(recordingEvents: RecordingEvent[]): Performan .filter(data => data.tag === 'performanceSpan') .map(data => data.payload) as PerformanceSpan[]; } + +export function getFullRecordingSnapshots(replayRequest: Request): RecordingSnapshot[] { + const events = getDecompressedRecordingEvents(replayRequest) as RecordingEvent[]; + return events.filter(event => event.type === 2).map(event => event.data as RecordingSnapshot); +} + +function getDecompressedRecordingEvents(replayRequest: Request): RecordingEvent[] { + return replayEnvelopeRequestParser(replayRequest, 5) as RecordingEvent[]; +} + +/** + * Copy of the envelopeParser from ./helpers.ts, but with the ability + * to decompress zlib-compressed envelope payloads which we need to inspect for replay recordings. + * This parser can handle uncompressed as well as compressed replay recordings. + */ +const replayEnvelopeRequestParser = (request: Request | null, envelopeIndex = 2): Event => { + const envelope = replayEnvelopeParser(request); + return envelope[envelopeIndex] as Event; +}; + +const replayEnvelopeParser = (request: Request | null): unknown[] => { + // https://develop.sentry.dev/sdk/envelopes/ + const envelopeBytes = request?.postDataBuffer() || ''; + + // first, we convert the bugger to string to split and go through the uncompressed lines + const envelopeString = envelopeBytes.toString(); + + const lines = envelopeString.split('\n').map(line => { + try { + return JSON.parse(line); + } catch (error) { + // If we fail to parse a line, we _might_ have found a compressed payload, + // so let's check if this is actually the case. + // This is quite hacky but we can't go through `line` because the prior operations + // seem to have altered its binary content. Hence, we take the raw envelope and + // look up the place where the zlib compression header(0x78 0x9c) starts + for (let i = 0; i < envelopeBytes.length; i++) { + if (envelopeBytes[i] === 0x78 && envelopeBytes[i + 1] === 0x9c) { + try { + // We found a zlib-compressed payload - let's decompress it + const payload = envelopeBytes.slice(i); + // now we return the decompressed payload as JSON + const decompressedPayload = pako.inflate(payload as unknown as Uint8Array, { to: 'string' }); + return JSON.parse(decompressedPayload); + } catch { + // Let's log that something went wrong + return line; + } + } + } + + return line; + } + }); + + return lines; +}; diff --git a/packages/replay/src/worker/worker.js b/packages/replay/src/worker/worker.js index d034d5002634..32789e264eee 100644 --- a/packages/replay/src/worker/worker.js +++ b/packages/replay/src/worker/worker.js @@ -1,2 +1,2 @@ export default `/*! pako 2.1.0 https://github.com/nodeca/pako @license (MIT AND Zlib) */ -function 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a,i;for(;;){if(t.lookahead<262){if(pt(t),t.lookahead<262&&e===P)return 1;if(0===t.lookahead)break}if(a=0,t.lookahead>=3&&(t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),0!==a&&t.strstart-a<=t.w_size-262&&(t.match_length=gt(t,a)),t.match_length>=3)if(i=j(t,t.strstart-t.match_start,t.match_length-3),t.lookahead-=t.match_length,t.match_length<=t.max_lazy_match&&t.lookahead>=3){t.match_length--;do{t.strstart++,t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart}while(0!=--t.match_length);t.strstart++}else t.strstart+=t.match_length,t.match_length=0,t.ins_h=t.window[t.strstart],t.ins_h=ft(t,t.ins_h,t.window[t.strstart+1]);else i=j(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++;if(i&&(ut(t,!1),0===t.strm.avail_out))return 1}return t.insert=t.strstart<2?t.strstart:2,e===X?(ut(t,!0),0===t.strm.avail_out?3:4):t.sym_next&&(ut(t,!1),0===t.strm.avail_out)?1:2},yt=(t,e)=>{let a,i,n;for(;;){if(t.lookahead<262){if(pt(t),t.lookahead<262&&e===P)return 1;if(0===t.lookahead)break}if(a=0,t.lookahead>=3&&(t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),t.prev_length=t.match_length,t.prev_match=t.match_start,t.match_length=2,0!==a&&t.prev_length4096)&&(t.match_length=2)),t.prev_length>=3&&t.match_length<=t.prev_length){n=t.strstart+t.lookahead-3,i=j(t,t.strstart-1-t.prev_match,t.prev_length-3),t.lookahead-=t.prev_length-1,t.prev_length-=2;do{++t.strstart<=n&&(t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart)}while(0!=--t.prev_length);if(t.match_available=0,t.match_length=2,t.strstart++,i&&(ut(t,!1),0===t.strm.avail_out))return 1}else if(t.match_available){if(i=j(t,0,t.window[t.strstart-1]),i&&ut(t,!1),t.strstart++,t.lookahead--,0===t.strm.avail_out)return 1}else t.match_available=1,t.strstart++,t.lookahead--}return t.match_available&&(i=j(t,0,t.window[t.strstart-1]),t.match_available=0),t.insert=t.strstart<2?t.strstart:2,e===X?(ut(t,!0),0===t.strm.avail_out?3:4):t.sym_next&&(ut(t,!1),0===t.strm.avail_out)?1:2};function xt(t,e,a,i,n){this.good_length=t,this.max_lazy=e,this.nice_length=a,this.max_chain=i,this.func=n}const zt=[new xt(0,0,0,0,kt),new xt(4,4,8,4,vt),new xt(4,5,16,8,vt),new xt(4,6,32,32,vt),new xt(4,4,16,16,yt),new xt(8,16,32,32,yt),new xt(8,16,128,128,yt),new xt(8,32,128,256,yt),new xt(32,128,258,1024,yt),new xt(32,258,258,4096,yt)];function At(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=ot,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),dt(this.dyn_ltree),dt(this.dyn_dtree),dt(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),dt(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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e===q&&((a=t.state).window_size=2*a.w_size,dt(a.head),a.max_lazy_match=zt[a.level].max_lazy,a.good_match=zt[a.level].good_length,a.nice_match=zt[a.level].nice_length,a.max_chain_length=zt[a.level].max_chain,a.strstart=0,a.block_start=0,a.lookahead=0,a.insert=0,a.match_length=a.prev_length=2,a.match_available=0,a.ins_h=0),e},Ut=(t,e,a,i,n,s)=>{if(!t)return Q;let r=1;if(e===tt&&(e=6),i<0?(r=0,i=-i):i>15&&(r=2,i-=16),n<1||n>9||a!==ot||i<8||i>15||e<0||e>9||s<0||s>nt||8===i&&1!==r)return lt(t,Q);8===i&&(i=9);const o=new At;return t.state=o,o.strm=t,o.status=42,o.wrap=r,o.gzhead=null,o.w_bits=i,o.w_size=1<Ut(t,e,ot,15,8,st),deflateInit2:Ut,deflateReset:Zt,deflateResetKeep:Rt,deflateSetHeader:(t,e)=>Et(t)||2!==t.state.wrap?Q:(t.state.gzhead=e,q),deflate:(t,e)=>{if(Et(t)||e>W||e<0)return t?lt(t,Q):Q;const a=t.state;if(!t.output||0!==t.avail_in&&!t.input||666===a.status&&e!==X)return lt(t,0===t.avail_out?$:Q);const i=a.last_flush;if(a.last_flush=e,0!==a.pending){if(ct(t),0===t.avail_out)return a.last_flush=-1,q}else if(0===t.avail_in&&ht(e)<=ht(i)&&e!==X)return lt(t,$);if(666===a.status&&0!==t.avail_in)return lt(t,$);if(42===a.status&&0===a.wrap&&(a.status=113),42===a.status){let e=ot+(a.w_bits-8<<4)<<8,i=-1;if(i=a.strategy>=at||a.level<2?0:a.level<6?1:6===a.level?2:3,e|=i<<6,0!==a.strstart&&(e|=32),e+=31-e%31,mt(a,e),0!==a.strstart&&(mt(a,t.adler>>>16),mt(a,65535&t.adler)),t.adler=1,a.status=113,ct(t),0!==a.pending)return a.last_flush=-1,q}if(57===a.status)if(t.adler=0,wt(a,31),wt(a,139),wt(a,8),a.gzhead)wt(a,(a.gzhead.text?1:0)+(a.gzhead.hcrc?2:0)+(a.gzhead.extra?4:0)+(a.gzhead.name?8:0)+(a.gzhead.comment?16:0)),wt(a,255&a.gzhead.time),wt(a,a.gzhead.time>>8&255),wt(a,a.gzhead.time>>16&255),wt(a,a.gzhead.time>>24&255),wt(a,9===a.level?2:a.strategy>=at||a.level<2?4:0),wt(a,255&a.gzhead.os),a.gzhead.extra&&a.gzhead.extra.length&&(wt(a,255&a.gzhead.extra.length),wt(a,a.gzhead.extra.length>>8&255)),a.gzhead.hcrc&&(t.adler=N(t.adler,a.pending_buf,a.pending,0)),a.gzindex=0,a.status=69;else if(wt(a,0),wt(a,0),wt(a,0),wt(a,0),wt(a,0),wt(a,9===a.level?2:a.strategy>=at||a.level<2?4:0),wt(a,3),a.status=113,ct(t),0!==a.pending)return a.last_flush=-1,q;if(69===a.status){if(a.gzhead.extra){let e=a.pending,i=(65535&a.gzhead.extra.length)-a.gzindex;for(;a.pending+i>a.pending_buf_size;){let 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e,i=a.pending;do{if(a.pending===a.pending_buf_size){if(a.gzhead.hcrc&&a.pending>i&&(t.adler=N(t.adler,a.pending_buf,a.pending-i,i)),ct(t),0!==a.pending)return a.last_flush=-1,q;i=0}e=a.gzindexi&&(t.adler=N(t.adler,a.pending_buf,a.pending-i,i))}a.status=103}if(103===a.status){if(a.gzhead.hcrc){if(a.pending+2>a.pending_buf_size&&(ct(t),0!==a.pending))return a.last_flush=-1,q;wt(a,255&t.adler),wt(a,t.adler>>8&255),t.adler=0}if(a.status=113,ct(t),0!==a.pending)return a.last_flush=-1,q}if(0!==t.avail_in||0!==a.lookahead||e!==P&&666!==a.status){let i=0===a.level?kt(a,e):a.strategy===at?((t,e)=>{let a;for(;;){if(0===t.lookahead&&(pt(t),0===t.lookahead)){if(e===P)return 1;break}if(t.match_length=0,a=j(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++,a&&(ut(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,e===X?(ut(t,!0),0===t.strm.avail_out?3:4):t.sym_next&&(ut(t,!1),0===t.strm.avail_out)?1:2})(a,e):a.strategy===it?((t,e)=>{let a,i,n,s;const r=t.window;for(;;){if(t.lookahead<=258){if(pt(t),t.lookahead<=258&&e===P)return 1;if(0===t.lookahead)break}if(t.match_length=0,t.lookahead>=3&&t.strstart>0&&(n=t.strstart-1,i=r[n],i===r[++n]&&i===r[++n]&&i===r[++n])){s=t.strstart+258;do{}while(i===r[++n]&&i===r[++n]&&i===r[++n]&&i===r[++n]&&i===r[++n]&&i===r[++n]&&i===r[++n]&&i===r[++n]&&nt.lookahead&&(t.match_length=t.lookahead)}if(t.match_length>=3?(a=j(t,1,t.match_length-3),t.lookahead-=t.match_length,t.strstart+=t.match_length,t.match_length=0):(a=j(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++),a&&(ut(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,e===X?(ut(t,!0),0===t.strm.avail_out?3:4):t.sym_next&&(ut(t,!1),0===t.strm.avail_out)?1:2})(a,e):zt[a.level].func(a,e);if(3!==i&&4!==i||(a.status=666),1===i||3===i)return 0===t.avail_out&&(a.last_flush=-1),q;if(2===i&&(e===Y?K(a):e!==W&&(H(a,0,0,!1),e===G&&(dt(a.head),0===a.lookahead&&(a.strstart=0,a.block_start=0,a.insert=0))),ct(t),0===t.avail_out))return 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a,i;for(;;){if(t.lookahead<262){if(pt(t),t.lookahead<262&&e===P)return 1;if(0===t.lookahead)break}if(a=0,t.lookahead>=3&&(t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),0!==a&&t.strstart-a<=t.w_size-262&&(t.match_length=gt(t,a)),t.match_length>=3)if(i=j(t,t.strstart-t.match_start,t.match_length-3),t.lookahead-=t.match_length,t.match_length<=t.max_lazy_match&&t.lookahead>=3){t.match_length--;do{t.strstart++,t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart}while(0!=--t.match_length);t.strstart++}else t.strstart+=t.match_length,t.match_length=0,t.ins_h=t.window[t.strstart],t.ins_h=ft(t,t.ins_h,t.window[t.strstart+1]);else i=j(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++;if(i&&(ut(t,!1),0===t.strm.avail_out))return 1}return t.insert=t.strstart<2?t.strstart:2,e===X?(ut(t,!0),0===t.strm.avail_out?3:4):t.sym_next&&(ut(t,!1),0===t.strm.avail_out)?1:2},yt=(t,e)=>{let a,i,n;for(;;){if(t.lookahead<262){if(pt(t),t.lookahead<262&&e===P)return 1;if(0===t.lookahead)break}if(a=0,t.lookahead>=3&&(t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),t.prev_length=t.match_length,t.prev_match=t.match_start,t.match_length=2,0!==a&&t.prev_length4096)&&(t.match_length=2)),t.prev_length>=3&&t.match_length<=t.prev_length){n=t.strstart+t.lookahead-3,i=j(t,t.strstart-1-t.prev_match,t.prev_length-3),t.lookahead-=t.prev_length-1,t.prev_length-=2;do{++t.strstart<=n&&(t.ins_h=ft(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart)}while(0!=--t.prev_length);if(t.match_available=0,t.match_length=2,t.strstart++,i&&(ut(t,!1),0===t.strm.avail_out))return 1}else if(t.match_available){if(i=j(t,0,t.window[t.strstart-1]),i&&ut(t,!1),t.strstart++,t.lookahead--,0===t.strm.avail_out)return 1}else t.match_available=1,t.strstart++,t.lookahead--}return t.match_available&&(i=j(t,0,t.window[t.strstart-1]),t.match_available=0),t.insert=t.strstart<2?t.strstart:2,e===X?(ut(t,!0),0===t.strm.avail_out?3:4):t.sym_next&&(ut(t,!1),0===t.strm.avail_out)?1:2};function xt(t,e,a,i,n){this.good_length=t,this.max_lazy=e,this.nice_length=a,this.max_chain=i,this.func=n}const zt=[new xt(0,0,0,0,kt),new xt(4,4,8,4,vt),new xt(4,5,16,8,vt),new xt(4,6,32,32,vt),new xt(4,4,16,16,yt),new xt(8,16,32,32,yt),new xt(8,16,128,128,yt),new xt(8,32,128,256,yt),new xt(32,128,258,1024,yt),new xt(32,258,258,4096,yt)];function At(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=ot,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),dt(this.dyn_ltree),dt(this.dyn_dtree),dt(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),dt(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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e===q&&((a=t.state).window_size=2*a.w_size,dt(a.head),a.max_lazy_match=zt[a.level].max_lazy,a.good_match=zt[a.level].good_length,a.nice_match=zt[a.level].nice_length,a.max_chain_length=zt[a.level].max_chain,a.strstart=0,a.block_start=0,a.lookahead=0,a.insert=0,a.match_length=a.prev_length=2,a.match_available=0,a.ins_h=0),e},Ut=(t,e,a,i,n,s)=>{if(!t)return Q;let r=1;if(e===tt&&(e=6),i<0?(r=0,i=-i):i>15&&(r=2,i-=16),n<1||n>9||a!==ot||i<8||i>15||e<0||e>9||s<0||s>nt||8===i&&1!==r)return lt(t,Q);8===i&&(i=9);const o=new At;return t.state=o,o.strm=t,o.status=42,o.wrap=r,o.gzhead=null,o.w_bits=i,o.w_size=1<Ut(t,e,ot,15,8,st),deflateInit2:Ut,deflateReset:Zt,deflateResetKeep:Rt,deflateSetHeader:(t,e)=>Et(t)||2!==t.state.wrap?Q:(t.state.gzhead=e,q),deflate:(t,e)=>{if(Et(t)||e>W||e<0)return t?lt(t,Q):Q;const a=t.state;if(!t.output||0!==t.avail_in&&!t.input||666===a.status&&e!==X)return lt(t,0===t.avail_out?$:Q);const i=a.last_flush;if(a.last_flush=e,0!==a.pending){if(ct(t),0===t.avail_out)return a.last_flush=-1,q}else if(0===t.avail_in&&ht(e)<=ht(i)&&e!==X)return lt(t,$);if(666===a.status&&0!==t.avail_in)return lt(t,$);if(42===a.status&&0===a.wrap&&(a.status=113),42===a.status){let e=ot+(a.w_bits-8<<4)<<8,i=-1;if(i=a.strategy>=at||a.level<2?0:a.level<6?1:6===a.level?2:3,e|=i<<6,0!==a.strstart&&(e|=32),e+=31-e%31,mt(a,e),0!==a.strstart&&(mt(a,t.adler>>>16),mt(a,65535&t.adler)),t.adler=1,a.status=113,ct(t),0!==a.pending)return a.last_flush=-1,q}if(57===a.status)if(t.adler=0,wt(a,31),wt(a,139),wt(a,8),a.gzhead)wt(a,(a.gzhead.text?1:0)+(a.gzhead.hcrc?2:0)+(a.gzhead.extra?4:0)+(a.gzhead.name?8:0)+(a.gzhead.comment?16:0)),wt(a,255&a.gzhead.time),wt(a,a.gzhead.time>>8&255),wt(a,a.gzhead.time>>16&255),wt(a,a.gzhead.time>>24&255),wt(a,9===a.level?2:a.strategy>=at||a.level<2?4:0),wt(a,255&a.gzhead.os),a.gzhead.extra&&a.gzhead.extra.length&&(wt(a,255&a.gzhead.extra.length),wt(a,a.gzhead.extra.length>>8&255)),a.gzhead.hcrc&&(t.adler=N(t.adler,a.pending_buf,a.pending,0)),a.gzindex=0,a.status=69;else if(wt(a,0),wt(a,0),wt(a,0),wt(a,0),wt(a,0),wt(a,9===a.level?2:a.strategy>=at||a.level<2?4:0),wt(a,3),a.status=113,ct(t),0!==a.pending)return a.last_flush=-1,q;if(69===a.status){if(a.gzhead.extra){let e=a.pending,i=(65535&a.gzhead.extra.length)-a.gzindex;for(;a.pending+i>a.pending_buf_size;){let n=a.pending_buf_size-a.pending;if(a.pending_buf.set(a.gzhead.extra.subarray(a.gzindex,a.gzindex+n),a.pending),a.pending=a.pending_buf_size,a.gzhead.hcrc&&a.pending>e&&(t.adler=N(t.adler,a.pending_buf,a.pending-e,e)),a.gzindex+=n,ct(t),0!==a.pending)return a.last_flush=-1,q;e=0,i-=n}let n=new Uint8Array(a.gzhead.extra);a.pending_buf.set(n.subarray(a.gzindex,a.gzindex+i),a.pending),a.pending+=i,a.gzhead.hcrc&&a.pending>e&&(t.adler=N(t.adler,a.pending_buf,a.pending-e,e)),a.gzindex=0}a.status=73}if(73===a.status){if(a.gzhead.name){let e,i=a.pending;do{if(a.pending===a.pending_buf_size){if(a.gzhead.hcrc&&a.pending>i&&(t.adler=N(t.adler,a.pending_buf,a.pending-i,i)),ct(t),0!==a.pending)return a.last_flush=-1,q;i=0}e=a.gzindexi&&(t.adler=N(t.adler,a.pending_buf,a.pending-i,i)),a.gzindex=0}a.status=91}if(91===a.status){if(a.gzhead.comment){let e,i=a.pending;do{if(a.pending===a.pending_buf_size){if(a.gzhead.hcrc&&a.pending>i&&(t.adler=N(t.adler,a.pending_buf,a.pending-i,i)),ct(t),0!==a.pending)return a.last_flush=-1,q;i=0}e=a.gzindexi&&(t.adler=N(t.adler,a.pending_buf,a.pending-i,i))}a.status=103}if(103===a.status){if(a.gzhead.hcrc){if(a.pending+2>a.pending_buf_size&&(ct(t),0!==a.pending))return a.last_flush=-1,q;wt(a,255&t.adler),wt(a,t.adler>>8&255),t.adler=0}if(a.status=113,ct(t),0!==a.pending)return a.last_flush=-1,q}if(0!==t.avail_in||0!==a.lookahead||e!==P&&666!==a.status){let i=0===a.level?kt(a,e):a.strategy===at?((t,e)=>{let a;for(;;){if(0===t.lookahead&&(pt(t),0===t.lookahead)){if(e===P)return 1;break}if(t.match_length=0,a=j(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++,a&&(ut(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,e===X?(ut(t,!0),0===t.strm.avail_out?3:4):t.sym_next&&(ut(t,!1),0===t.strm.avail_out)?1:2})(a,e):a.strategy===it?((t,e)=>{let a,i,n,s;const 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