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perf: Avoid an extra function call and object clone during event emission #1441

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merged 3 commits into from
Apr 19, 2024
Merged

perf: Avoid an extra function call and object clone during event emission #1441

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92c99b6
See #1339 - perf: remove a nested function call and an object clone p…
eoghanmurray Apr 9, 2024
1071c36
Maintain backward compatibility in case someone is importing `event`
eoghanmurray Apr 11, 2024
542b34c
Merge remote-tracking branch 'upstream/master' into event-single-wrap
eoghanmurray Apr 18, 2024
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5 changes: 5 additions & 0 deletions .changeset/event-single-wrap.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'rrweb': patch
---

perf: Avoid an extra function call and object clone during event emission
10 changes: 7 additions & 3 deletions packages/rrweb/src/record/iframe-manager.ts
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Expand Up @@ -3,7 +3,11 @@ import { genId, NodeType } from 'rrweb-snapshot';
import type { CrossOriginIframeMessageEvent } from '../types';
import CrossOriginIframeMirror from './cross-origin-iframe-mirror';
import { EventType, IncrementalSource } from '@rrweb/types';
import type { eventWithTime, mutationCallBack } from '@rrweb/types';
import type {
eventWithTime,
eventWithoutTime,
mutationCallBack,
} from '@rrweb/types';
import type { StylesheetManager } from './stylesheet-manager';

export class IframeManager {
Expand All @@ -16,7 +20,7 @@ export class IframeManager {
new WeakMap();
private mirror: Mirror;
private mutationCb: mutationCallBack;
private wrappedEmit: (e: eventWithTime, isCheckout?: boolean) => void;
private wrappedEmit: (e: eventWithoutTime, isCheckout?: boolean) => void;
private loadListener?: (iframeEl: HTMLIFrameElement) => unknown;
private stylesheetManager: StylesheetManager;
private recordCrossOriginIframes: boolean;
Expand All @@ -26,7 +30,7 @@ export class IframeManager {
mutationCb: mutationCallBack;
stylesheetManager: StylesheetManager;
recordCrossOriginIframes: boolean;
wrappedEmit: (e: eventWithTime, isCheckout?: boolean) => void;
wrappedEmit: (e: eventWithoutTime, isCheckout?: boolean) => void;
}) {
this.mutationCb = options.mutationCb;
this.wrappedEmit = options.wrappedEmit;
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