From 8f5b997523d521e727d43200340d3d537033a621 Mon Sep 17 00:00:00 2001 From: Francesco Novy Date: Tue, 31 Jan 2023 13:09:14 +0000 Subject: [PATCH 1/2] fix(replay): Handle compression failures more robustly We now stop the recording when either `addEvent` or `finish` fail. --- packages/replay/.eslintrc.js | 4 + .../src/eventBuffer/EventBufferArray.ts | 27 +- .../EventBufferCompressionWorker.ts | 84 ++----- .../src/eventBuffer/EventBufferProxy.ts | 31 +-- packages/replay/src/replay.ts | 2 +- packages/replay/src/types.ts | 13 +- packages/replay/src/util/addEvent.ts | 9 +- packages/replay/src/worker/worker.js | 2 +- .../test/integration/rateLimiting.test.ts | 4 +- .../test/integration/sendReplayEvent.test.ts | 10 +- packages/replay/test/integration/stop.test.ts | 6 +- packages/replay/test/unit/eventBuffer.test.ts | 237 ------------------ .../unit/eventBuffer/EventBufferArray.test.ts | 45 ++++ .../EventBufferCompressionWorker.test.ts | 148 +++++++++++ .../unit/eventBuffer/EventBufferProxy.test.ts | 65 +++++ .../replay/test/unit/util/addEvent.test.ts | 32 +++ .../test/unit/worker/Compressor.test.ts | 2 +- .../replay/test/utils/setupReplayContainer.ts | 38 +++ packages/replay/worker/src/Compressor.ts | 34 +-- packages/replay/worker/src/handleMessage.ts | 12 +- 20 files changed, 426 insertions(+), 379 deletions(-) delete mode 100644 packages/replay/test/unit/eventBuffer.test.ts create mode 100644 packages/replay/test/unit/eventBuffer/EventBufferArray.test.ts create mode 100644 packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts create mode 100644 packages/replay/test/unit/eventBuffer/EventBufferProxy.test.ts create mode 100644 packages/replay/test/unit/util/addEvent.test.ts create mode 100644 packages/replay/test/utils/setupReplayContainer.ts diff --git a/packages/replay/.eslintrc.js b/packages/replay/.eslintrc.js index bb645aac9ed1..a0d9dc46f1f8 100644 --- a/packages/replay/.eslintrc.js +++ b/packages/replay/.eslintrc.js @@ -13,6 +13,10 @@ module.exports = { // TODO: figure out if we need a worker-specific tsconfig project: ['tsconfig.worker.json'], }, + rules: { + // We cannot use backticks, as that conflicts with the stringified worker + 'prefer-template': 'off', + }, }, { files: ['src/worker/**/*.js'], diff --git a/packages/replay/src/eventBuffer/EventBufferArray.ts b/packages/replay/src/eventBuffer/EventBufferArray.ts index 59eda189e60c..3ec54a526b9d 100644 --- a/packages/replay/src/eventBuffer/EventBufferArray.ts +++ b/packages/replay/src/eventBuffer/EventBufferArray.ts @@ -5,38 +5,31 @@ import type { AddEventResult, EventBuffer, RecordingEvent } from '../types'; * Used as fallback if the compression worker cannot be loaded or is disabled. */ export class EventBufferArray implements EventBuffer { - private _events: RecordingEvent[]; + /** All the events that are buffered to be sent. */ + public events: RecordingEvent[]; public constructor() { - this._events = []; + this.events = []; } /** @inheritdoc */ - public get pendingLength(): number { - return this._events.length; - } - - /** - * Returns the raw events that are buffered. In `EventBufferArray`, this is the - * same as `this._events`. - */ - public get pendingEvents(): RecordingEvent[] { - return this._events; + public get hasEvents(): boolean { + return this.events.length > 0; } /** @inheritdoc */ public destroy(): void { - this._events = []; + this.events = []; } /** @inheritdoc */ public async addEvent(event: RecordingEvent, isCheckout?: boolean): Promise { if (isCheckout) { - this._events = [event]; + this.events = [event]; return; } - this._events.push(event); + this.events.push(event); return; } @@ -46,8 +39,8 @@ export class EventBufferArray implements EventBuffer { // Make a copy of the events array reference and immediately clear the // events member so that we do not lose new events while uploading // attachment. - const eventsRet = this._events; - this._events = []; + const eventsRet = this.events; + this.events = []; resolve(JSON.stringify(eventsRet)); }); } diff --git a/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts b/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts index 66cb92db849b..25cdc15f739b 100644 --- a/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts +++ b/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts @@ -8,36 +8,17 @@ import type { AddEventResult, EventBuffer, RecordingEvent, WorkerRequest, Worker * Exported only for testing. */ export class EventBufferCompressionWorker implements EventBuffer { - /** - * Keeps track of the list of events since the last flush that have not been compressed. - * For example, page is reloaded and a flush attempt is made, but - * `finish()` (and thus the flush), does not complete. - */ - public _pendingEvents: RecordingEvent[] = []; + /** @inheritdoc */ + public hasEvents: boolean; private _worker: Worker; - private _eventBufferItemLength: number = 0; - private _id: number = 0; + private _id: number; private _ensureReadyPromise?: Promise; public constructor(worker: Worker) { this._worker = worker; - } - - /** - * The number of raw events that are buffered. This may not be the same as - * the number of events that have been compresed in the worker because - * `addEvent` is async. - */ - public get pendingLength(): number { - return this._eventBufferItemLength; - } - - /** - * Returns a list of the raw recording events that are being compressed. - */ - public get pendingEvents(): RecordingEvent[] { - return this._pendingEvents; + this.hasEvents = false; + this._id = 0; } /** @@ -89,42 +70,31 @@ export class EventBufferCompressionWorker implements EventBuffer { * Returns true if event was successfuly received and processed by worker. */ public async addEvent(event: RecordingEvent, isCheckout?: boolean): Promise { + this.hasEvents = true; + if (isCheckout) { // This event is a checkout, make sure worker buffer is cleared before // proceeding. await this._postMessage({ id: this._getAndIncrementId(), - method: 'init', - args: [], + method: 'clear', }); } - // Don't store checkout events in `_pendingEvents` because they are too large - if (!isCheckout) { - this._pendingEvents.push(event); - } - return this._sendEventToWorker(event); } /** * Finish the event buffer and return the compressed data. */ - public async finish(): Promise { - try { - return await this._finishRequest(this._getAndIncrementId()); - } catch (error) { - __DEBUG_BUILD__ && logger.error('[Replay] Error when trying to compress events', error); - // fall back to uncompressed - const events = this.pendingEvents; - return JSON.stringify(events); - } + public finish(): Promise { + return this._finishRequest(this._getAndIncrementId()); } /** * Post message to worker and wait for response before resolving promise. */ - private _postMessage({ id, method, args }: WorkerRequest): Promise { + private _postMessage({ id, method, arg }: WorkerRequest): Promise { return new Promise((resolve, reject) => { const listener = ({ data }: MessageEvent): void => { const response = data as WorkerResponse; @@ -152,51 +122,33 @@ export class EventBufferCompressionWorker implements EventBuffer { resolve(response.response as T); }; - let stringifiedArgs; - try { - stringifiedArgs = JSON.stringify(args); - } catch (err) { - __DEBUG_BUILD__ && logger.error('[Replay] Error when trying to stringify args', err); - stringifiedArgs = '[]'; - } - // Note: we can't use `once` option because it's possible it needs to // listen to multiple messages this._worker.addEventListener('message', listener); - this._worker.postMessage({ id, method, args: stringifiedArgs }); + this._worker.postMessage({ id, method, arg }); }); } /** * Send the event to the worker. */ - private async _sendEventToWorker(event: RecordingEvent): Promise { - const promise = this._postMessage({ + private _sendEventToWorker(event: RecordingEvent): Promise { + return this._postMessage({ id: this._getAndIncrementId(), method: 'addEvent', - args: [event], + arg: JSON.stringify(event), }); - - // XXX: See note in `get length()` - this._eventBufferItemLength++; - - return promise; } /** * Finish the request and return the compressed data from the worker. */ private async _finishRequest(id: number): Promise { - const promise = this._postMessage({ id, method: 'finish', args: [] }); - - // XXX: See note in `get length()` - this._eventBufferItemLength = 0; - - await promise; + const response = await this._postMessage({ id, method: 'finish' }); - this._pendingEvents = []; + this.hasEvents = false; - return promise; + return response; } /** Get the current ID and increment it for the next call. */ diff --git a/packages/replay/src/eventBuffer/EventBufferProxy.ts b/packages/replay/src/eventBuffer/EventBufferProxy.ts index f438cd5a6ef9..24c5fa85f3a1 100644 --- a/packages/replay/src/eventBuffer/EventBufferProxy.ts +++ b/packages/replay/src/eventBuffer/EventBufferProxy.ts @@ -21,19 +21,12 @@ export class EventBufferProxy implements EventBuffer { this._compression = new EventBufferCompressionWorker(worker); this._used = this._fallback; - this._ensureWorkerIsLoadedPromise = this._ensureWorkerIsLoaded().catch(() => { - // Ignore errors here - }); + this._ensureWorkerIsLoadedPromise = this._ensureWorkerIsLoaded(); } /** @inheritDoc */ - public get pendingLength(): number { - return this._used.pendingLength; - } - - /** @inheritDoc */ - public get pendingEvents(): RecordingEvent[] { - return this._used.pendingEvents; + public get hasEvents(): boolean { + return this._used.hasEvents; } /** @inheritDoc */ @@ -75,18 +68,28 @@ export class EventBufferProxy implements EventBuffer { return; } - // Compression worker is ready, we can use it // Now we need to switch over the array buffer to the compression worker + await this._switchToCompressionWorker(); + } + + /** Switch the used buffer to the compression worker. */ + private async _switchToCompressionWorker(): Promise { + const { events } = this._fallback; + const addEventPromises: Promise[] = []; - for (const event of this._fallback.pendingEvents) { + for (const event of events) { addEventPromises.push(this._compression.addEvent(event)); } - // We switch over to the compression buffer immediately - any further events will be added + // We switch over to the new buffer immediately - any further events will be added // after the previously buffered ones this._used = this._compression; // Wait for original events to be re-added before resolving - await Promise.all(addEventPromises); + try { + await Promise.all(addEventPromises); + } catch (error) { + __DEBUG_BUILD__ && logger.warn('[Replay] Failed to add events when switching buffers.', error); + } } } diff --git a/packages/replay/src/replay.ts b/packages/replay/src/replay.ts index 2c648e13b786..ba55e339a611 100644 --- a/packages/replay/src/replay.ts +++ b/packages/replay/src/replay.ts @@ -772,7 +772,7 @@ export class ReplayContainer implements ReplayContainerInterface { await this._addPerformanceEntries(); // Check eventBuffer again, as it could have been stopped in the meanwhile - if (!this.eventBuffer || !this.eventBuffer.pendingLength) { + if (!this.eventBuffer || !this.eventBuffer.hasEvents) { return; } diff --git a/packages/replay/src/types.ts b/packages/replay/src/types.ts index a16b3547e0ec..b9e96d7186b1 100644 --- a/packages/replay/src/types.ts +++ b/packages/replay/src/types.ts @@ -23,8 +23,8 @@ export interface SendReplayData { */ export interface WorkerRequest { id: number; - method: string; - args: unknown[]; + method: 'clear' | 'addEvent' | 'finish'; + arg?: string; } // PerformancePaintTiming and PerformanceNavigationTiming are only available with TS 4.4 and newer @@ -261,14 +261,9 @@ export interface Session { export interface EventBuffer { /** - * The number of raw events that are buffered - */ - readonly pendingLength: number; - - /** - * The raw events that are buffered. + * If any events have been added to the buffer. */ - readonly pendingEvents: RecordingEvent[]; + readonly hasEvents: boolean; /** * Destroy the event buffer. diff --git a/packages/replay/src/util/addEvent.ts b/packages/replay/src/util/addEvent.ts index 2b957823bb0f..cb66d0c7822c 100644 --- a/packages/replay/src/util/addEvent.ts +++ b/packages/replay/src/util/addEvent.ts @@ -1,3 +1,5 @@ +import { logger } from '@sentry/utils'; + import { SESSION_IDLE_DURATION } from '../constants'; import type { AddEventResult, RecordingEvent, ReplayContainer } from '../types'; @@ -39,5 +41,10 @@ export async function addEvent( replay.getContext().earliestEvent = timestampInMs; } - return replay.eventBuffer.addEvent(event, isCheckout); + try { + return await replay.eventBuffer.addEvent(event, isCheckout); + } catch (error) { + __DEBUG_BUILD__ && logger.error(error); + replay.stop(); + } } diff --git a/packages/replay/src/worker/worker.js b/packages/replay/src/worker/worker.js index 34abe6a4f742..d034d5002634 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 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l=t.strstart>t.w_size-262?t.strstart-(t.w_size-262):0,h=t.window,d=t.w_mask,_=t.prev,f=t.strstart+258;let c=h[s+r-1],u=h[s+r];t.prev_length>=t.good_match&&(n>>=2),o>t.lookahead&&(o=t.lookahead);do{if(a=e,h[a+r]===u&&h[a+r-1]===c&&h[a]===h[s]&&h[++a]===h[s+1]){s+=2,a++;do{}while(h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&sr){if(t.match_start=e,r=i,i>=o)break;c=h[s+r-1],u=h[s+r]}}}while((e=_[e&d])>l&&0!=--n);return r<=t.lookahead?r:t.lookahead},pt=t=>{const e=t.w_size;let a,i,n;do{if(i=t.window_size-t.lookahead-t.strstart,t.strstart>=e+(e-262)&&(t.window.set(t.window.subarray(e,e+e-i),0),t.match_start-=e,t.strstart-=e,t.block_start-=e,t.insert>t.strstart&&(t.insert=t.strstart),_t(t),i+=e),0===t.strm.avail_in)break;if(a=bt(t.strm,t.window,t.strstart+t.lookahead,i),t.lookahead+=a,t.lookahead+t.insert>=3)for(n=t.strstart-t.insert,t.ins_h=t.window[n],t.ins_h=ft(t,t.ins_h,t.window[n+1]);t.insert&&(t.ins_h=ft(t,t.ins_h,t.window[n+3-1]),t.prev[n&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=n,n++,t.insert--,!(t.lookahead+t.insert<3)););}while(t.lookahead<262&&0!==t.strm.avail_in)},kt=(t,e)=>{let a,i,n,s=t.pending_buf_size-5>t.w_size?t.w_size:t.pending_buf_size-5,r=0,o=t.strm.avail_in;do{if(a=65535,n=t.bi_valid+42>>3,t.strm.avail_outi+t.strm.avail_in&&(a=i+t.strm.avail_in),a>n&&(a=n),a>8,t.pending_buf[t.pending-2]=~a,t.pending_buf[t.pending-1]=~a>>8,ct(t.strm),i&&(i>a&&(i=a),t.strm.output.set(t.window.subarray(t.block_start,t.block_start+i),t.strm.next_out),t.strm.next_out+=i,t.strm.avail_out-=i,t.strm.total_out+=i,t.block_start+=i,a-=i),a&&(bt(t.strm,t.strm.output,t.strm.next_out,a),t.strm.next_out+=a,t.strm.avail_out-=a,t.strm.total_out+=a)}while(0===r);return o-=t.strm.avail_in,o&&(o>=t.w_size?(t.matches=2,t.window.set(t.strm.input.subarray(t.strm.next_in-t.w_size,t.strm.next_in),0),t.strstart=t.w_size,t.insert=t.strstart):(t.window_size-t.strstart<=o&&(t.strstart-=t.w_size,t.window.set(t.window.subarray(t.w_size,t.w_size+t.strstart),0),t.matches<2&&t.matches++,t.insert>t.strstart&&(t.insert=t.strstart)),t.window.set(t.strm.input.subarray(t.strm.next_in-o,t.strm.next_in),t.strstart),t.strstart+=o,t.insert+=o>t.w_size-t.insert?t.w_size-t.insert:o),t.block_start=t.strstart),t.high_watern&&t.block_start>=t.w_size&&(t.block_start-=t.w_size,t.strstart-=t.w_size,t.window.set(t.window.subarray(t.w_size,t.w_size+t.strstart),0),t.matches<2&&t.matches++,n+=t.w_size,t.insert>t.strstart&&(t.insert=t.strstart)),n>t.strm.avail_in&&(n=t.strm.avail_in),n&&(bt(t.strm,t.window,t.strstart,n),t.strstart+=n,t.insert+=n>t.w_size-t.insert?t.w_size-t.insert:n),t.high_water>3,n=t.pending_buf_size-n>65535?65535:t.pending_buf_size-n,s=n>t.w_size?t.w_size:n,i=t.strstart-t.block_start,(i>=s||(i||e===X)&&e!==P&&0===t.strm.avail_in&&i<=n)&&(a=i>n?n:i,r=e===X&&0===t.strm.avail_in&&a===i?1:0,H(t,t.block_start,a,r),t.block_start+=a,ct(t.strm)),r?3:1)},vt=(t,e)=>{let 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 Uint16Array(573),dt(this.depth),this.sym_buf=0,this.lit_bufsize=0,this.sym_next=0,this.sym_end=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}const Et=t=>{if(!t)return 1;const e=t.state;return!e||e.strm!==t||42!==e.status&&57!==e.status&&69!==e.status&&73!==e.status&&91!==e.status&&103!==e.status&&113!==e.status&&666!==e.status?1:0},Rt=t=>{if(Et(t))return lt(t,Q);t.total_in=t.total_out=0,t.data_type=rt;const e=t.state;return e.pending=0,e.pending_out=0,e.wrap<0&&(e.wrap=-e.wrap),e.status=2===e.wrap?57:e.wrap?42:113,t.adler=2===e.wrap?0:1,e.last_flush=-2,C(e),W},Zt=t=>{const e=Rt(t);var a;return e===W&&((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},St=(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<St(t,e,ot,15,8,st),deflateInit2:St,deflateReset:Zt,deflateResetKeep:Rt,deflateSetHeader:(t,e)=>Et(t)||2!==t.state.wrap?Q:(t.state.gzhead=e,W),deflate:(t,e)=>{if(Et(t)||e>J||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?$:Q);const i=a.last_flush;if(a.last_flush=e,0!==a.pending){if(ct(t),0===t.avail_out)return a.last_flush=-1,W}else if(0===t.avail_in&&ht(e)<=ht(i)&&e!==X)return lt(t,$);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,W}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=L(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,W;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=L(t.adler,a.pending_buf,a.pending-e,e)),a.gzindex+=n,ct(t),0!==a.pending)return a.last_flush=-1,W;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=L(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=L(t.adler,a.pending_buf,a.pending-i,i)),ct(t),0!==a.pending)return a.last_flush=-1,W;i=0}e=a.gzindexi&&(t.adler=L(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=L(t.adler,a.pending_buf,a.pending-i,i)),ct(t),0!==a.pending)return a.last_flush=-1,W;i=0}e=a.gzindexi&&(t.adler=L(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,W;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,W}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),W;if(2===i&&(e===Y?K(a):e!==J&&(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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e,a,i,n=t.w_size;e=t.hash_size,i=e;do{a=t.head[--i],t.head[i]=a>=n?a-n:0}while(--e);e=n,i=e;do{a=t.prev[--i],t.prev[i]=a>=n?a-n:0}while(--e)};let ft=(t,e,a)=>(e<{const e=t.state;let a=e.pending;a>t.avail_out&&(a=t.avail_out),0!==a&&(t.output.set(e.pending_buf.subarray(e.pending_out,e.pending_out+a),t.next_out),t.next_out+=a,e.pending_out+=a,t.total_out+=a,t.avail_out-=a,e.pending-=a,0===e.pending&&(e.pending_out=0))},ut=(t,e)=>{M(t,t.block_start>=0?t.block_start:-1,t.strstart-t.block_start,e),t.block_start=t.strstart,ct(t.strm)},wt=(t,e)=>{t.pending_buf[t.pending++]=e},mt=(t,e)=>{t.pending_buf[t.pending++]=e>>>8&255,t.pending_buf[t.pending++]=255&e},bt=(t,e,a,i)=>{let n=t.avail_in;return n>i&&(n=i),0===n?0:(t.avail_in-=n,e.set(t.input.subarray(t.next_in,t.next_in+n),a),1===t.state.wrap?t.adler=F(t.adler,e,n,a):2===t.state.wrap&&(t.adler=N(t.adler,e,n,a)),t.next_in+=n,t.total_in+=n,n)},gt=(t,e)=>{let a,i,n=t.max_chain_length,s=t.strstart,r=t.prev_length,o=t.nice_match;const l=t.strstart>t.w_size-262?t.strstart-(t.w_size-262):0,h=t.window,d=t.w_mask,_=t.prev,f=t.strstart+258;let c=h[s+r-1],u=h[s+r];t.prev_length>=t.good_match&&(n>>=2),o>t.lookahead&&(o=t.lookahead);do{if(a=e,h[a+r]===u&&h[a+r-1]===c&&h[a]===h[s]&&h[++a]===h[s+1]){s+=2,a++;do{}while(h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&h[++s]===h[++a]&&sr){if(t.match_start=e,r=i,i>=o)break;c=h[s+r-1],u=h[s+r]}}}while((e=_[e&d])>l&&0!=--n);return r<=t.lookahead?r:t.lookahead},pt=t=>{const e=t.w_size;let a,i,n;do{if(i=t.window_size-t.lookahead-t.strstart,t.strstart>=e+(e-262)&&(t.window.set(t.window.subarray(e,e+e-i),0),t.match_start-=e,t.strstart-=e,t.block_start-=e,t.insert>t.strstart&&(t.insert=t.strstart),_t(t),i+=e),0===t.strm.avail_in)break;if(a=bt(t.strm,t.window,t.strstart+t.lookahead,i),t.lookahead+=a,t.lookahead+t.insert>=3)for(n=t.strstart-t.insert,t.ins_h=t.window[n],t.ins_h=ft(t,t.ins_h,t.window[n+1]);t.insert&&(t.ins_h=ft(t,t.ins_h,t.window[n+3-1]),t.prev[n&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=n,n++,t.insert--,!(t.lookahead+t.insert<3)););}while(t.lookahead<262&&0!==t.strm.avail_in)},kt=(t,e)=>{let a,i,n,s=t.pending_buf_size-5>t.w_size?t.w_size:t.pending_buf_size-5,r=0,o=t.strm.avail_in;do{if(a=65535,n=t.bi_valid+42>>3,t.strm.avail_outi+t.strm.avail_in&&(a=i+t.strm.avail_in),a>n&&(a=n),a>8,t.pending_buf[t.pending-2]=~a,t.pending_buf[t.pending-1]=~a>>8,ct(t.strm),i&&(i>a&&(i=a),t.strm.output.set(t.window.subarray(t.block_start,t.block_start+i),t.strm.next_out),t.strm.next_out+=i,t.strm.avail_out-=i,t.strm.total_out+=i,t.block_start+=i,a-=i),a&&(bt(t.strm,t.strm.output,t.strm.next_out,a),t.strm.next_out+=a,t.strm.avail_out-=a,t.strm.total_out+=a)}while(0===r);return o-=t.strm.avail_in,o&&(o>=t.w_size?(t.matches=2,t.window.set(t.strm.input.subarray(t.strm.next_in-t.w_size,t.strm.next_in),0),t.strstart=t.w_size,t.insert=t.strstart):(t.window_size-t.strstart<=o&&(t.strstart-=t.w_size,t.window.set(t.window.subarray(t.w_size,t.w_size+t.strstart),0),t.matches<2&&t.matches++,t.insert>t.strstart&&(t.insert=t.strstart)),t.window.set(t.strm.input.subarray(t.strm.next_in-o,t.strm.next_in),t.strstart),t.strstart+=o,t.insert+=o>t.w_size-t.insert?t.w_size-t.insert:o),t.block_start=t.strstart),t.high_watern&&t.block_start>=t.w_size&&(t.block_start-=t.w_size,t.strstart-=t.w_size,t.window.set(t.window.subarray(t.w_size,t.w_size+t.strstart),0),t.matches<2&&t.matches++,n+=t.w_size,t.insert>t.strstart&&(t.insert=t.strstart)),n>t.strm.avail_in&&(n=t.strm.avail_in),n&&(bt(t.strm,t.window,t.strstart,n),t.strstart+=n,t.insert+=n>t.w_size-t.insert?t.w_size-t.insert:n),t.high_water>3,n=t.pending_buf_size-n>65535?65535:t.pending_buf_size-n,s=n>t.w_size?t.w_size:n,i=t.strstart-t.block_start,(i>=s||(i||e===X)&&e!==P&&0===t.strm.avail_in&&i<=n)&&(a=i>n?n:i,r=e===X&&0===t.strm.avail_in&&a===i?1:0,H(t,t.block_start,a,r),t.block_start+=a,ct(t.strm)),r?3:1)},vt=(t,e)=>{let 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 Uint16Array(573),dt(this.depth),this.sym_buf=0,this.lit_bufsize=0,this.sym_next=0,this.sym_end=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}const Et=t=>{if(!t)return 1;const e=t.state;return!e||e.strm!==t||42!==e.status&&57!==e.status&&69!==e.status&&73!==e.status&&91!==e.status&&103!==e.status&&113!==e.status&&666!==e.status?1:0},Rt=t=>{if(Et(t))return lt(t,Q);t.total_in=t.total_out=0,t.data_type=rt;const e=t.state;return e.pending=0,e.pending_out=0,e.wrap<0&&(e.wrap=-e.wrap),e.status=2===e.wrap?57:e.wrap?42:113,t.adler=2===e.wrap?0:1,e.last_flush=-2,C(e),q},Zt=t=>{const e=Rt(t);var a;return 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 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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e=t.data.method,a=t.data.id,i=t.data.arg;if(e in We&&"function"==typeof We[e])try{const t=We[e](i);postMessage({id:a,method:e,success:!0,response:t})}catch(t){postMessage({id:a,method:e,success:!1,response:t.message}),console.error(t)}})),postMessage({id:void 0,method:"init",success:!0,response:void 0});`; diff --git a/packages/replay/test/integration/rateLimiting.test.ts b/packages/replay/test/integration/rateLimiting.test.ts index 379efb9b430d..ad8f810604b2 100644 --- a/packages/replay/test/integration/rateLimiting.test.ts +++ b/packages/replay/test/integration/rateLimiting.test.ts @@ -168,7 +168,7 @@ describe('Integration | rate-limiting behaviour', () => { expect(replay).toHaveLastSentReplay({ recordingData: JSON.stringify([TEST_EVENT3]) }); // events array should be empty - expect(replay.eventBuffer?.pendingLength).toBe(0); + expect(replay.eventBuffer?.hasEvents).toBe(false); }, ); @@ -253,7 +253,7 @@ describe('Integration | rate-limiting behaviour', () => { expect(replay).toHaveLastSentReplay({ recordingData: JSON.stringify([TEST_EVENT3]) }); // events array should be empty - expect(replay.eventBuffer?.pendingLength).toBe(0); + expect(replay.eventBuffer?.hasEvents).toBe(false); }); it("doesn't do anything, if a rate limit is hit and recording is already paused", async () => { diff --git a/packages/replay/test/integration/sendReplayEvent.test.ts b/packages/replay/test/integration/sendReplayEvent.test.ts index 2a9130e7bb45..3263e1a09772 100644 --- a/packages/replay/test/integration/sendReplayEvent.test.ts +++ b/packages/replay/test/integration/sendReplayEvent.test.ts @@ -106,7 +106,7 @@ describe('Integration | sendReplayEvent', () => { expect(replay.session?.segmentId).toBe(1); // events array should be empty - expect(replay.eventBuffer?.pendingLength).toBe(0); + expect(replay.eventBuffer?.hasEvents).toBe(false); }); it('update last activity when user clicks mouse', async () => { @@ -145,7 +145,7 @@ describe('Integration | sendReplayEvent', () => { expect(replay.session?.segmentId).toBe(1); // events array should be empty - expect(replay.eventBuffer?.pendingLength).toBe(0); + expect(replay.eventBuffer?.hasEvents).toBe(false); }); it('uploads a replay event if maxFlushDelay is set 15 seconds have elapsed since the last replay upload', async () => { @@ -173,7 +173,7 @@ describe('Integration | sendReplayEvent', () => { expect(replay.session?.lastActivity).toBe(BASE_TIMESTAMP); expect(replay.session?.segmentId).toBe(1); // events array should be empty - expect(replay.eventBuffer?.pendingLength).toBe(0); + expect(replay.eventBuffer?.hasEvents).toBe(false); // Let's make sure it continues to work mockTransportSend.mockClear(); @@ -218,7 +218,7 @@ describe('Integration | sendReplayEvent', () => { // Session's last activity should not be updated expect(replay.session?.lastActivity).toBe(BASE_TIMESTAMP); // events array should be empty - expect(replay.eventBuffer?.pendingLength).toBe(0); + expect(replay.eventBuffer?.hasEvents).toBe(false); }); it('uploads a replay event when document becomes hidden', async () => { @@ -246,7 +246,7 @@ describe('Integration | sendReplayEvent', () => { // visibilitystate as user being active expect(replay.session?.lastActivity).toBe(BASE_TIMESTAMP); // events array should be empty - expect(replay.eventBuffer?.pendingLength).toBe(0); + expect(replay.eventBuffer?.hasEvents).toBe(false); }); it('uploads a dom breadcrumb 5 seconds after listener receives an event', async () => { diff --git a/packages/replay/test/integration/stop.test.ts b/packages/replay/test/integration/stop.test.ts index 651a21f7e5bc..7e091bc7b49b 100644 --- a/packages/replay/test/integration/stop.test.ts +++ b/packages/replay/test/integration/stop.test.ts @@ -128,17 +128,17 @@ describe('Integration | stop', () => { it('does not buffer events when stopped', async function () { WINDOW.dispatchEvent(new Event('blur')); - expect(replay.eventBuffer?.pendingLength).toBe(1); + expect(replay.eventBuffer?.hasEvents).toBe(true); // stop replays integration.stop(); - expect(replay.eventBuffer?.pendingLength).toBe(undefined); + expect(replay.eventBuffer).toBe(null); WINDOW.dispatchEvent(new Event('blur')); await new Promise(process.nextTick); - expect(replay.eventBuffer?.pendingLength).toBe(undefined); + expect(replay.eventBuffer).toBe(null); expect(replay).not.toHaveLastSentReplay(); }); diff --git a/packages/replay/test/unit/eventBuffer.test.ts b/packages/replay/test/unit/eventBuffer.test.ts deleted file mode 100644 index b9c96b225cc3..000000000000 --- a/packages/replay/test/unit/eventBuffer.test.ts +++ /dev/null @@ -1,237 +0,0 @@ -import 'jsdom-worker'; - -import pako from 'pako'; - -import { EventBufferProxy } from '../../src/eventBuffer/EventBufferProxy'; -import { createEventBuffer } from './../../src/eventBuffer'; -import { BASE_TIMESTAMP } from './../index'; - -const TEST_EVENT = { data: {}, timestamp: BASE_TIMESTAMP, type: 3 }; -describe('Unit | eventBuffer', () => { - describe('EventBufferArray', () => { - it('adds events to normal event buffer', async function () { - const buffer = createEventBuffer({ useCompression: false }); - - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - - const result = await buffer.finish(); - - expect(result).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); - }); - - it('adds checkout event to normal event buffer', async function () { - const buffer = createEventBuffer({ useCompression: false }); - - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - - buffer.addEvent(TEST_EVENT, true); - const result = await buffer.finish(); - - expect(result).toEqual(JSON.stringify([TEST_EVENT])); - }); - - it('calling `finish()` multiple times does not result in duplicated events', async function () { - const buffer = createEventBuffer({ useCompression: false }); - - buffer.addEvent(TEST_EVENT); - - const promise1 = buffer.finish(); - const promise2 = buffer.finish(); - - const result1 = (await promise1) as Uint8Array; - const result2 = (await promise2) as Uint8Array; - - expect(result1).toEqual(JSON.stringify([TEST_EVENT])); - expect(result2).toEqual(JSON.stringify([])); - }); - }); - - describe('EventBufferCompressionWorker', () => { - it('adds events to event buffer with compression worker', async function () { - const buffer = createEventBuffer({ - useCompression: true, - }) as EventBufferProxy; - - expect(buffer).toBeInstanceOf(EventBufferProxy); - - // Ensure worker is ready - await buffer.ensureWorkerIsLoaded(); - - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - - expect(buffer.pendingEvents).toEqual([TEST_EVENT, TEST_EVENT]); - - const result = await buffer.finish(); - expect(result).toBeInstanceOf(Uint8Array); - const restored = pako.inflate(result as Uint8Array, { to: 'string' }); - - expect(restored).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); - }); - - it('adds checkout events to event buffer with compression worker', async function () { - const buffer = createEventBuffer({ - useCompression: true, - }) as EventBufferProxy; - - expect(buffer).toBeInstanceOf(EventBufferProxy); - - // Ensure worker is ready - await buffer.ensureWorkerIsLoaded(); - - await buffer.addEvent(TEST_EVENT); - await buffer.addEvent(TEST_EVENT); - - // This should clear previous buffer - await buffer.addEvent({ ...TEST_EVENT, type: 2 }, true); - - const result = await buffer.finish(); - expect(result).toBeInstanceOf(Uint8Array); - const restored = pako.inflate(result as Uint8Array, { to: 'string' }); - - expect(restored).toEqual(JSON.stringify([{ ...TEST_EVENT, type: 2 }])); - }); - - it('calling `finish()` multiple times does not result in duplicated events', async function () { - const buffer = createEventBuffer({ - useCompression: true, - }) as EventBufferProxy; - - expect(buffer).toBeInstanceOf(EventBufferProxy); - - // Ensure worker is ready - await buffer.ensureWorkerIsLoaded(); - - buffer.addEvent(TEST_EVENT); - - const promise1 = buffer.finish(); - const promise2 = buffer.finish(); - - const result1 = (await promise1) as Uint8Array; - const result2 = (await promise2) as Uint8Array; - const restored1 = pako.inflate(result1, { to: 'string' }); - const restored2 = pako.inflate(result2, { to: 'string' }); - - expect(restored1).toEqual(JSON.stringify([TEST_EVENT])); - expect(restored2).toEqual(JSON.stringify([])); - }); - - it('calling `finish()` multiple times, with events in between, does not result in duplicated or dropped events', async function () { - const buffer = createEventBuffer({ - useCompression: true, - }) as EventBufferProxy; - - expect(buffer).toBeInstanceOf(EventBufferProxy); - - // Ensure worker is ready - await buffer.ensureWorkerIsLoaded(); - - buffer.addEvent(TEST_EVENT); - - const promise1 = buffer.finish(); - await new Promise(process.nextTick); - - buffer.addEvent({ ...TEST_EVENT, type: 5 }); - const promise2 = buffer.finish(); - - const result1 = (await promise1) as Uint8Array; - const result2 = (await promise2) as Uint8Array; - - const restored1 = pako.inflate(result1, { to: 'string' }); - const restored2 = pako.inflate(result2, { to: 'string' }); - - expect(restored1).toEqual(JSON.stringify([TEST_EVENT])); - expect(restored2).toEqual(JSON.stringify([{ ...TEST_EVENT, type: 5 }])); - }); - - it('handles an error when compressing the payload', async function () { - const buffer = createEventBuffer({ - useCompression: true, - }) as EventBufferProxy; - - expect(buffer).toBeInstanceOf(EventBufferProxy); - - // Ensure worker is ready - await buffer.ensureWorkerIsLoaded(); - - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - - // @ts-ignore Mock this private so it triggers an error - const postMessageSpy = jest.spyOn(buffer._compression, '_postMessage').mockImplementation(() => { - return Promise.reject('test worker error'); - }); - - const result = await buffer.finish(); - - expect(postMessageSpy).toHaveBeenCalledTimes(1); - - expect(result).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); - }); - }); - - describe('EventBufferProxy fallback', () => { - let consoleErrorSpy: jest.SpyInstance; - - beforeEach(() => { - // Avoid logging errors to console - consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {}); - }); - - afterEach(() => { - consoleErrorSpy.mockRestore(); - }); - - it('waits for the worker to be loaded when calling finish', async function () { - const buffer = createEventBuffer({ - useCompression: true, - }) as EventBufferProxy; - - expect(buffer).toBeInstanceOf(EventBufferProxy); - - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - - expect(buffer.pendingEvents).toEqual([TEST_EVENT, TEST_EVENT]); - - const result = await buffer.finish(); - expect(result).toBeInstanceOf(Uint8Array); - const restored = pako.inflate(result as Uint8Array, { to: 'string' }); - expect(restored).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); - }); - - it('keeps using simple buffer if worker cannot be loaded', async function () { - const workerString = 'window.triggerBlaError();'; - const workerBlob = new Blob([workerString]); - const workerUrl = URL.createObjectURL(workerBlob); - const worker = new Worker(workerUrl); - const buffer = new EventBufferProxy(worker); - - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - - expect(buffer.pendingEvents).toEqual([TEST_EVENT, TEST_EVENT]); - - // Finish before the worker is loaded - const result = await buffer.finish(); - expect(typeof result).toBe('string'); - expect(result).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); - - // Now actually finish loading the worker - which triggers an error - await buffer.ensureWorkerIsLoaded(); - - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - buffer.addEvent(TEST_EVENT); - - expect(buffer.pendingEvents).toEqual([TEST_EVENT, TEST_EVENT, TEST_EVENT]); - - const result2 = await buffer.finish(); - expect(typeof result2).toBe('string'); - expect(result2).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT, TEST_EVENT])); - }); - }); -}); diff --git a/packages/replay/test/unit/eventBuffer/EventBufferArray.test.ts b/packages/replay/test/unit/eventBuffer/EventBufferArray.test.ts new file mode 100644 index 000000000000..36d0b5aa0e00 --- /dev/null +++ b/packages/replay/test/unit/eventBuffer/EventBufferArray.test.ts @@ -0,0 +1,45 @@ +import { createEventBuffer } from './../../../src/eventBuffer'; +import { BASE_TIMESTAMP } from './../../index'; + +const TEST_EVENT = { data: {}, timestamp: BASE_TIMESTAMP, type: 3 }; + +describe('Unit | eventBuffer | EventBufferArray', () => { + it('adds events to normal event buffer', async function () { + const buffer = createEventBuffer({ useCompression: false }); + + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + + const result = await buffer.finish(); + + expect(result).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); + }); + + it('adds checkout event to normal event buffer', async function () { + const buffer = createEventBuffer({ useCompression: false }); + + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + + buffer.addEvent(TEST_EVENT, true); + const result = await buffer.finish(); + + expect(result).toEqual(JSON.stringify([TEST_EVENT])); + }); + + it('calling `finish()` multiple times does not result in duplicated events', async function () { + const buffer = createEventBuffer({ useCompression: false }); + + buffer.addEvent(TEST_EVENT); + + const promise1 = buffer.finish(); + const promise2 = buffer.finish(); + + const result1 = (await promise1) as Uint8Array; + const result2 = (await promise2) as Uint8Array; + + expect(result1).toEqual(JSON.stringify([TEST_EVENT])); + expect(result2).toEqual(JSON.stringify([])); + }); +}); diff --git a/packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts b/packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts new file mode 100644 index 000000000000..a6df19b0e287 --- /dev/null +++ b/packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts @@ -0,0 +1,148 @@ +import 'jsdom-worker'; + +import pako from 'pako'; + +import { BASE_TIMESTAMP } from '../..'; +import { EventBufferProxy } from '../../../src/eventBuffer/EventBufferProxy'; +import { createEventBuffer } from './../../../src/eventBuffer'; + +const TEST_EVENT = { data: {}, timestamp: BASE_TIMESTAMP, type: 3 }; + +describe('Unit | eventBuffer | EventBufferCompressionWorker', () => { + it('adds events to event buffer with compression worker', async function () { + const buffer = createEventBuffer({ + useCompression: true, + }) as EventBufferProxy; + + expect(buffer).toBeInstanceOf(EventBufferProxy); + + // Ensure worker is ready + await buffer.ensureWorkerIsLoaded(); + + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + + const result = await buffer.finish(); + expect(result).toBeInstanceOf(Uint8Array); + const restored = pako.inflate(result as Uint8Array, { to: 'string' }); + + expect(restored).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); + }); + + it('adds checkout events to event buffer with compression worker', async function () { + const buffer = createEventBuffer({ + useCompression: true, + }) as EventBufferProxy; + + expect(buffer).toBeInstanceOf(EventBufferProxy); + + // Ensure worker is ready + await buffer.ensureWorkerIsLoaded(); + + await buffer.addEvent(TEST_EVENT); + await buffer.addEvent(TEST_EVENT); + + // This should clear previous buffer + await buffer.addEvent({ ...TEST_EVENT, type: 2 }, true); + + const result = await buffer.finish(); + expect(result).toBeInstanceOf(Uint8Array); + const restored = pako.inflate(result as Uint8Array, { to: 'string' }); + + expect(restored).toEqual(JSON.stringify([{ ...TEST_EVENT, type: 2 }])); + }); + + it('calling `finish()` multiple times does not result in duplicated events', async function () { + const buffer = createEventBuffer({ + useCompression: true, + }) as EventBufferProxy; + + expect(buffer).toBeInstanceOf(EventBufferProxy); + + // Ensure worker is ready + await buffer.ensureWorkerIsLoaded(); + + buffer.addEvent(TEST_EVENT); + + const promise1 = buffer.finish(); + const promise2 = buffer.finish(); + + const result1 = (await promise1) as Uint8Array; + const result2 = (await promise2) as Uint8Array; + const restored1 = pako.inflate(result1, { to: 'string' }); + const restored2 = pako.inflate(result2, { to: 'string' }); + + expect(restored1).toEqual(JSON.stringify([TEST_EVENT])); + expect(restored2).toEqual(JSON.stringify([])); + }); + + it('calling `finish()` multiple times, with events in between, does not result in duplicated or dropped events', async function () { + const buffer = createEventBuffer({ + useCompression: true, + }) as EventBufferProxy; + + expect(buffer).toBeInstanceOf(EventBufferProxy); + + // Ensure worker is ready + await buffer.ensureWorkerIsLoaded(); + + buffer.addEvent(TEST_EVENT); + + const promise1 = buffer.finish(); + await new Promise(process.nextTick); + + buffer.addEvent({ ...TEST_EVENT, type: 5 }); + const promise2 = buffer.finish(); + + const result1 = (await promise1) as Uint8Array; + const result2 = (await promise2) as Uint8Array; + + const restored1 = pako.inflate(result1, { to: 'string' }); + const restored2 = pako.inflate(result2, { to: 'string' }); + + expect(restored1).toEqual(JSON.stringify([TEST_EVENT])); + expect(restored2).toEqual(JSON.stringify([{ ...TEST_EVENT, type: 5 }])); + }); + + it('handles an error when compressing the payload', async function () { + const buffer = createEventBuffer({ + useCompression: true, + }) as EventBufferProxy; + + expect(buffer).toBeInstanceOf(EventBufferProxy); + + // Ensure worker is ready + await buffer.ensureWorkerIsLoaded(); + + await buffer.addEvent(TEST_EVENT); + await buffer.addEvent(TEST_EVENT); + + // @ts-ignore Mock this private so it triggers an error + jest.spyOn(buffer._compression, '_postMessage').mockImplementationOnce(() => { + return Promise.reject('test worker error'); + }); + + await expect(() => buffer.finish()).rejects.toBeDefined(); + }); + + it('handles an error when adding an event', async function () { + const buffer = createEventBuffer({ + useCompression: true, + }) as EventBufferProxy; + + expect(buffer).toBeInstanceOf(EventBufferProxy); + + // Ensure worker is ready + await buffer.ensureWorkerIsLoaded(); + + await buffer.addEvent({ data: { o: 1 }, timestamp: BASE_TIMESTAMP, type: 3 }, true); + await buffer.addEvent({ data: { o: 2 }, timestamp: BASE_TIMESTAMP, type: 3 }); + + // @ts-ignore Mock this private so it triggers an error + jest.spyOn(buffer._compression, '_postMessage').mockImplementationOnce(() => { + return Promise.reject('test worker error'); + }); + + await expect(() => buffer.addEvent({ data: { o: 3 }, timestamp: BASE_TIMESTAMP, type: 3 })).rejects.toBeDefined(); + }); +}); diff --git a/packages/replay/test/unit/eventBuffer/EventBufferProxy.test.ts b/packages/replay/test/unit/eventBuffer/EventBufferProxy.test.ts new file mode 100644 index 000000000000..c4a98f3c446e --- /dev/null +++ b/packages/replay/test/unit/eventBuffer/EventBufferProxy.test.ts @@ -0,0 +1,65 @@ +import 'jsdom-worker'; + +import pako from 'pako'; + +import { BASE_TIMESTAMP } from '../..'; +import { EventBufferProxy } from '../../../src/eventBuffer/EventBufferProxy'; +import { createEventBuffer } from './../../../src/eventBuffer'; + +const TEST_EVENT = { data: {}, timestamp: BASE_TIMESTAMP, type: 3 }; + +describe('Unit | eventBuffer | EventBufferProxy', () => { + let consoleErrorSpy: jest.SpyInstance; + + beforeEach(() => { + // Avoid logging errors to console + consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {}); + }); + + afterEach(() => { + consoleErrorSpy.mockRestore(); + }); + + it('waits for the worker to be loaded when calling finish', async function () { + const buffer = createEventBuffer({ + useCompression: true, + }) as EventBufferProxy; + + expect(buffer).toBeInstanceOf(EventBufferProxy); + + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + + const result = await buffer.finish(); + expect(result).toBeInstanceOf(Uint8Array); + const restored = pako.inflate(result as Uint8Array, { to: 'string' }); + expect(restored).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); + }); + + it('keeps using simple buffer if worker cannot be loaded', async function () { + const workerString = 'window.triggerBlaError();'; + const workerBlob = new Blob([workerString]); + const workerUrl = URL.createObjectURL(workerBlob); + const worker = new Worker(workerUrl); + const buffer = new EventBufferProxy(worker); + + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + + // Finish before the worker is loaded + const result = await buffer.finish(); + expect(typeof result).toBe('string'); + expect(result).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT])); + + // Now actually finish loading the worker - which triggers an error + await buffer.ensureWorkerIsLoaded(); + + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + buffer.addEvent(TEST_EVENT); + + const result2 = await buffer.finish(); + expect(typeof result2).toBe('string'); + expect(result2).toEqual(JSON.stringify([TEST_EVENT, TEST_EVENT, TEST_EVENT])); + }); +}); diff --git a/packages/replay/test/unit/util/addEvent.test.ts b/packages/replay/test/unit/util/addEvent.test.ts new file mode 100644 index 000000000000..89bd8882ae64 --- /dev/null +++ b/packages/replay/test/unit/util/addEvent.test.ts @@ -0,0 +1,32 @@ +import 'jsdom-worker'; + +import { BASE_TIMESTAMP } from '../..'; +import type { EventBufferProxy } from '../../../src/eventBuffer/EventBufferProxy'; +import { addEvent } from '../../../src/util/addEvent'; +import { setupReplayContainer } from '../../utils/setupReplayContainer'; +import { useFakeTimers } from '../../utils/use-fake-timers'; + +useFakeTimers(); + +describe('Unit | util | addEvent', () => { + it('stops when encountering a compression error', async function () { + jest.setSystemTime(BASE_TIMESTAMP); + + const replay = setupReplayContainer({ + options: { + useCompression: true, + }, + }); + + await (replay.eventBuffer as EventBufferProxy).ensureWorkerIsLoaded(); + + // @ts-ignore Mock this private so it triggers an error + jest.spyOn(replay.eventBuffer._compression, '_postMessage').mockImplementationOnce(() => { + return Promise.reject('test worker error'); + }); + + await addEvent(replay, { data: {}, timestamp: BASE_TIMESTAMP + 10, type: 2 }); + + expect(replay.isEnabled()).toEqual(false); + }); +}); diff --git a/packages/replay/test/unit/worker/Compressor.test.ts b/packages/replay/test/unit/worker/Compressor.test.ts index e8de4bd2f94a..e701ce2d79ff 100644 --- a/packages/replay/test/unit/worker/Compressor.test.ts +++ b/packages/replay/test/unit/worker/Compressor.test.ts @@ -17,7 +17,7 @@ describe('Unit | worker | Compressor', () => { }, ]; - events.forEach(event => compressor.addEvent(event)); + events.forEach(event => compressor.addEvent(JSON.stringify(event))); const compressed = compressor.finish(); diff --git a/packages/replay/test/utils/setupReplayContainer.ts b/packages/replay/test/utils/setupReplayContainer.ts new file mode 100644 index 000000000000..fd6a5baa40e0 --- /dev/null +++ b/packages/replay/test/utils/setupReplayContainer.ts @@ -0,0 +1,38 @@ +import { SESSION_IDLE_DURATION } from '../../src/constants'; +import { createEventBuffer } from '../../src/eventBuffer'; +import { ReplayContainer } from '../../src/replay'; +import type { RecordingOptions, ReplayPluginOptions } from '../../src/types'; +import { clearSession } from './clearSession'; + +export function setupReplayContainer({ + options, + recordingOptions, +}: { options?: Partial; recordingOptions?: Partial } = {}): ReplayContainer { + const replay = new ReplayContainer({ + options: { + flushMinDelay: 100, + flushMaxDelay: 100, + stickySession: false, + sessionSampleRate: 0, + errorSampleRate: 1, + useCompression: false, + maskAllText: true, + blockAllMedia: true, + _experiments: {}, + ...options, + }, + recordingOptions: { + ...recordingOptions, + }, + }); + + clearSession(replay); + replay['_setInitialState'](); + replay['_loadAndCheckSession'](SESSION_IDLE_DURATION); + replay['_isEnabled'] = true; + replay.eventBuffer = createEventBuffer({ + useCompression: options?.useCompression || false, + }); + + return replay; +} diff --git a/packages/replay/worker/src/Compressor.ts b/packages/replay/worker/src/Compressor.ts index a70eb51422ad..5eb6f5fe4953 100644 --- a/packages/replay/worker/src/Compressor.ts +++ b/packages/replay/worker/src/Compressor.ts @@ -7,37 +7,31 @@ export class Compressor { public deflate: Deflate; /** - * Number of added events + * If any events have been added. */ - public added: number = 0; + private _hasEvents: boolean; public constructor() { - this.init(); + this._init(); } - public init(): void { - this.added = 0; - this.deflate = new Deflate(); - - // Fake an array by adding a `[` - this.deflate.push('[', constants.Z_NO_FLUSH); - - return; + public clear(): void { + this._init(); } - public addEvent(data: Record): void { + public addEvent(data: string): void { if (!data) { throw new Error('Adding invalid event'); } // If the event is not the first event, we need to prefix it with a `,` so // that we end up with a list of events - const prefix = this.added > 0 ? ',' : ''; + const prefix = this._hasEvents ? ',' : ''; // TODO: We may want Z_SYNC_FLUSH or Z_FULL_FLUSH (not sure the difference) // Using NO_FLUSH here for now as we can create many attachments that our // web UI will get API rate limited. - this.deflate.push(prefix + JSON.stringify(data), constants.Z_SYNC_FLUSH); + this.deflate.push(prefix + data, constants.Z_SYNC_FLUSH); - this.added++; + this._hasEvents = true; } public finish(): Uint8Array { @@ -52,8 +46,16 @@ export class Compressor { // result const result = this.deflate.result; - this.init(); + this._init(); return result; } + + private _init(): void { + this._hasEvents = false; + this.deflate = new Deflate(); + + // Fake an array by adding a `[` + this.deflate.push('[', constants.Z_NO_FLUSH); + } } diff --git a/packages/replay/worker/src/handleMessage.ts b/packages/replay/worker/src/handleMessage.ts index 0dd9e871c972..95fcb1256f11 100644 --- a/packages/replay/worker/src/handleMessage.ts +++ b/packages/replay/worker/src/handleMessage.ts @@ -4,18 +4,18 @@ import { Compressor } from './Compressor'; const compressor = new Compressor(); interface Handlers { - init: () => void; - addEvent: (data: Record) => void; + clear: () => void; + addEvent: (data: string) => void; finish: () => void; } const handlers: Handlers = { - init: () => { - compressor.init(); + clear: () => { + compressor.clear(); return ''; }, - addEvent: (data: Record) => { + addEvent: (data: string) => { return compressor.addEvent(data); }, @@ -27,7 +27,7 @@ const handlers: Handlers = { export function handleMessage(e: MessageEvent): void { const method = e.data.method as string; const id = e.data.id as number; - const [data] = e.data.args ? JSON.parse(e.data.args) : []; + const data = e.data.arg as string; // @ts-ignore this syntax is actually fine if (method in handlers && typeof handlers[method] === 'function') { From 5b53ef65f9d89d65fa8d64875da5a4abb2364adf Mon Sep 17 00:00:00 2001 From: Francesco Novy Date: Tue, 31 Jan 2023 14:17:16 +0000 Subject: [PATCH 2/2] ref(replay): Extract worker code into class --- .../EventBufferCompressionWorker.ts | 104 +++-------------- .../replay/src/eventBuffer/WorkerHandler.ts | 106 ++++++++++++++++++ .../EventBufferCompressionWorker.test.ts | 4 +- .../replay/test/unit/util/addEvent.test.ts | 2 +- 4 files changed, 123 insertions(+), 93 deletions(-) create mode 100644 packages/replay/src/eventBuffer/WorkerHandler.ts diff --git a/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts b/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts index 25cdc15f739b..3d532b68df28 100644 --- a/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts +++ b/packages/replay/src/eventBuffer/EventBufferCompressionWorker.ts @@ -1,7 +1,7 @@ import type { ReplayRecordingData } from '@sentry/types'; -import { logger } from '@sentry/utils'; -import type { AddEventResult, EventBuffer, RecordingEvent, WorkerRequest, WorkerResponse } from '../types'; +import type { AddEventResult, EventBuffer, RecordingEvent } from '../types'; +import { WorkerHandler } from './WorkerHandler'; /** * Event buffer that uses a web worker to compress events. @@ -11,14 +11,11 @@ export class EventBufferCompressionWorker implements EventBuffer { /** @inheritdoc */ public hasEvents: boolean; - private _worker: Worker; - private _id: number; - private _ensureReadyPromise?: Promise; + private _worker: WorkerHandler; public constructor(worker: Worker) { - this._worker = worker; + this._worker = new WorkerHandler(worker); this.hasEvents = false; - this._id = 0; } /** @@ -26,42 +23,14 @@ export class EventBufferCompressionWorker implements EventBuffer { * This will either resolve when the worker is ready, or reject if an error occured. */ public ensureReady(): Promise { - // Ensure we only check once - if (this._ensureReadyPromise) { - return this._ensureReadyPromise; - } - - this._ensureReadyPromise = new Promise((resolve, reject) => { - this._worker.addEventListener( - 'message', - ({ data }: MessageEvent) => { - if ((data as WorkerResponse).success) { - resolve(); - } else { - reject(); - } - }, - { once: true }, - ); - - this._worker.addEventListener( - 'error', - error => { - reject(error); - }, - { once: true }, - ); - }); - - return this._ensureReadyPromise; + return this._worker.ensureReady(); } /** * Destroy the event buffer. */ public destroy(): void { - __DEBUG_BUILD__ && logger.log('[Replay] Destroying compression worker'); - this._worker.terminate(); + this._worker.destroy(); } /** @@ -75,10 +44,7 @@ export class EventBufferCompressionWorker implements EventBuffer { if (isCheckout) { // This event is a checkout, make sure worker buffer is cleared before // proceeding. - await this._postMessage({ - id: this._getAndIncrementId(), - method: 'clear', - }); + await this._clear(); } return this._sendEventToWorker(event); @@ -88,71 +54,29 @@ export class EventBufferCompressionWorker implements EventBuffer { * Finish the event buffer and return the compressed data. */ public finish(): Promise { - return this._finishRequest(this._getAndIncrementId()); - } - - /** - * Post message to worker and wait for response before resolving promise. - */ - private _postMessage({ id, method, arg }: WorkerRequest): Promise { - return new Promise((resolve, reject) => { - const listener = ({ data }: MessageEvent): void => { - const response = data as WorkerResponse; - if (response.method !== method) { - return; - } - - // There can be multiple listeners for a single method, the id ensures - // that the response matches the caller. - if (response.id !== id) { - return; - } - - // At this point, we'll always want to remove listener regardless of result status - this._worker.removeEventListener('message', listener); - - if (!response.success) { - // TODO: Do some error handling, not sure what - __DEBUG_BUILD__ && logger.error('[Replay]', response.response); - - reject(new Error('Error in compression worker')); - return; - } - - resolve(response.response as T); - }; - - // Note: we can't use `once` option because it's possible it needs to - // listen to multiple messages - this._worker.addEventListener('message', listener); - this._worker.postMessage({ id, method, arg }); - }); + return this._finishRequest(); } /** * Send the event to the worker. */ private _sendEventToWorker(event: RecordingEvent): Promise { - return this._postMessage({ - id: this._getAndIncrementId(), - method: 'addEvent', - arg: JSON.stringify(event), - }); + return this._worker.postMessage('addEvent', JSON.stringify(event)); } /** * Finish the request and return the compressed data from the worker. */ - private async _finishRequest(id: number): Promise { - const response = await this._postMessage({ id, method: 'finish' }); + private async _finishRequest(): Promise { + const response = await this._worker.postMessage('finish'); this.hasEvents = false; return response; } - /** Get the current ID and increment it for the next call. */ - private _getAndIncrementId(): number { - return this._id++; + /** Clear any pending events from the worker. */ + private _clear(): Promise { + return this._worker.postMessage('clear'); } } diff --git a/packages/replay/src/eventBuffer/WorkerHandler.ts b/packages/replay/src/eventBuffer/WorkerHandler.ts new file mode 100644 index 000000000000..711b21bd3380 --- /dev/null +++ b/packages/replay/src/eventBuffer/WorkerHandler.ts @@ -0,0 +1,106 @@ +import { logger } from '@sentry/utils'; + +import type { WorkerRequest, WorkerResponse } from '../types'; + +/** + * Event buffer that uses a web worker to compress events. + * Exported only for testing. + */ +export class WorkerHandler { + private _worker: Worker; + private _id: number; + private _ensureReadyPromise?: Promise; + + public constructor(worker: Worker) { + this._worker = worker; + this._id = 0; + } + + /** + * Ensure the worker is ready (or not). + * This will either resolve when the worker is ready, or reject if an error occured. + */ + public ensureReady(): Promise { + // Ensure we only check once + if (this._ensureReadyPromise) { + return this._ensureReadyPromise; + } + + this._ensureReadyPromise = new Promise((resolve, reject) => { + this._worker.addEventListener( + 'message', + ({ data }: MessageEvent) => { + if ((data as WorkerResponse).success) { + resolve(); + } else { + reject(); + } + }, + { once: true }, + ); + + this._worker.addEventListener( + 'error', + error => { + reject(error); + }, + { once: true }, + ); + }); + + return this._ensureReadyPromise; + } + + /** + * Destroy the worker. + */ + public destroy(): void { + __DEBUG_BUILD__ && logger.log('[Replay] Destroying compression worker'); + this._worker.terminate(); + } + + /** + * Post message to worker and wait for response before resolving promise. + */ + public postMessage(method: WorkerRequest['method'], arg?: WorkerRequest['arg']): Promise { + const id = this._getAndIncrementId(); + + return new Promise((resolve, reject) => { + const listener = ({ data }: MessageEvent): void => { + const response = data as WorkerResponse; + if (response.method !== method) { + return; + } + + // There can be multiple listeners for a single method, the id ensures + // that the response matches the caller. + if (response.id !== id) { + return; + } + + // At this point, we'll always want to remove listener regardless of result status + this._worker.removeEventListener('message', listener); + + if (!response.success) { + // TODO: Do some error handling, not sure what + __DEBUG_BUILD__ && logger.error('[Replay]', response.response); + + reject(new Error('Error in compression worker')); + return; + } + + resolve(response.response as T); + }; + + // Note: we can't use `once` option because it's possible it needs to + // listen to multiple messages + this._worker.addEventListener('message', listener); + this._worker.postMessage({ id, method, arg }); + }); + } + + /** Get the current ID and increment it for the next call. */ + private _getAndIncrementId(): number { + return this._id++; + } +} diff --git a/packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts b/packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts index a6df19b0e287..1e22716b553a 100644 --- a/packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts +++ b/packages/replay/test/unit/eventBuffer/EventBufferCompressionWorker.test.ts @@ -118,7 +118,7 @@ describe('Unit | eventBuffer | EventBufferCompressionWorker', () => { await buffer.addEvent(TEST_EVENT); // @ts-ignore Mock this private so it triggers an error - jest.spyOn(buffer._compression, '_postMessage').mockImplementationOnce(() => { + jest.spyOn(buffer._compression._worker, 'postMessage').mockImplementationOnce(() => { return Promise.reject('test worker error'); }); @@ -139,7 +139,7 @@ describe('Unit | eventBuffer | EventBufferCompressionWorker', () => { await buffer.addEvent({ data: { o: 2 }, timestamp: BASE_TIMESTAMP, type: 3 }); // @ts-ignore Mock this private so it triggers an error - jest.spyOn(buffer._compression, '_postMessage').mockImplementationOnce(() => { + jest.spyOn(buffer._compression._worker, 'postMessage').mockImplementationOnce(() => { return Promise.reject('test worker error'); }); diff --git a/packages/replay/test/unit/util/addEvent.test.ts b/packages/replay/test/unit/util/addEvent.test.ts index 89bd8882ae64..6cc2e6b6ffdf 100644 --- a/packages/replay/test/unit/util/addEvent.test.ts +++ b/packages/replay/test/unit/util/addEvent.test.ts @@ -21,7 +21,7 @@ describe('Unit | util | addEvent', () => { await (replay.eventBuffer as EventBufferProxy).ensureWorkerIsLoaded(); // @ts-ignore Mock this private so it triggers an error - jest.spyOn(replay.eventBuffer._compression, '_postMessage').mockImplementationOnce(() => { + jest.spyOn(replay.eventBuffer._compression._worker, 'postMessage').mockImplementationOnce(() => { return Promise.reject('test worker error'); });