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ref(rrweb): WIP: refactor sideeffects from rrweb/record #236

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ref(rrweb): WIP: refactor sideeffects from rrweb/record #236

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4 changes: 3 additions & 1 deletion packages/rrweb/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,9 @@
"dist",
"package.json"
],
"sideEffects": false,
"sideEffects": [
"./src/record/clean-array-from.ts"
],
"author": "yanzhen@smartx.com",
"license": "MIT",
"bugs": {
Expand Down
15 changes: 15 additions & 0 deletions packages/rrweb/src/record/clean-array-from.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
// Multiple tools (i.e. MooTools, Prototype.js) override Array.from and drop support for the 2nd parameter
// Try to pull a clean implementation from a newly created iframe
try {
if (Array.from([1], (x) => x * 2)[0] !== 2) {
const cleanFrame = document.createElement('iframe');
document.body.appendChild(cleanFrame);
// eslint-disable-next-line @typescript-eslint/unbound-method -- Array.from is static and doesn't rely on binding
Array.from = cleanFrame.contentWindow?.Array.from || Array.from;
document.body.removeChild(cleanFrame);
}
} catch (err) {
console.debug('Unable to override Array.from', err);
}

export {};
25 changes: 9 additions & 16 deletions packages/rrweb/src/record/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import {
MaskInputOptions,
SlimDOMOptions,
createMirror,
type Mirror,
} from '@sentry-internal/rrweb-snapshot';
import { initObservers, mutationBuffers } from './observer';
import {
Expand Down Expand Up @@ -52,6 +53,8 @@ import {
registerErrorHandler,
unregisterErrorHandler,
} from './error-handler';
import './clean-array-from';

export type { CanvasManagerConstructorOptions } from './observers/canvas/canvas-manager';

declare global {
Expand All @@ -67,21 +70,6 @@ let _wrappedEmit:
| ((e: eventWithTime, isCheckout?: boolean) => void);
let _takeFullSnapshot: undefined | ((isCheckout?: boolean) => void);

// Multiple tools (i.e. MooTools, Prototype.js) override Array.from and drop support for the 2nd parameter
// Try to pull a clean implementation from a newly created iframe
try {
if (Array.from([1], (x) => x * 2)[0] !== 2) {
const cleanFrame = document.createElement('iframe');
document.body.appendChild(cleanFrame);
// eslint-disable-next-line @typescript-eslint/unbound-method -- Array.from is static and doesn't rely on binding
Array.from = cleanFrame.contentWindow?.Array.from || Array.from;
document.body.removeChild(cleanFrame);
}
} catch (err) {
console.debug('Unable to override Array.from', err);
}

const mirror = createMirror();
function record<T = eventWithTime>(
options: recordOptions<T> = {},
): listenerHandler | undefined {
Expand Down Expand Up @@ -129,6 +117,7 @@ function record<T = eventWithTime>(
} = options;

registerErrorHandler(errorHandler);
const mirror = createMirror();

const inEmittingFrame = recordCrossOriginIframes
? window.parent === window
Expand Down Expand Up @@ -721,9 +710,13 @@ export function takeFullSnapshot(isCheckout?: boolean) {
// record.freezePage is removed because Sentry Session Replay does not use it

// For backwards compatibility - we can eventually remove this when we migrated to using the exported `mirror` & `takeFullSnapshot`
record.mirror = mirror;
// record.mirror = mirror;
record.takeFullSnapshot = takeFullSnapshot;

namespace record {
export var mirror: Mirror;
}

export default record;

function _getCanvasManager(
Expand Down