feat: allow decide to provide script name for recorder

src/__tests__/extensions/replay/sessionrecording.test.ts

@@ -485,6 +485,15 @@ describe('SessionRecording', () => {
             jest.spyOn(sessionRecording, 'startIfEnabledOrStop')
         })
 
+        it('loads script based on script config', () => {
+            sessionRecording.afterDecideResponse(
+                makeDecideResponse({
+                    sessionRecording: { endpoint: '/s/', scriptConfig: { script: 'experimental-recorder' } },
+                })
+            )
+            expect(loadScriptMock).toHaveBeenCalledWith(posthog, 'experimental-recorder', expect.any(Function))
+        })
+
         it('when the first event is a meta it does not take a manual full snapshot', () => {
             sessionRecording.startIfEnabledOrStop()
             expect(loadScriptMock).toHaveBeenCalled()

src/constants.ts

@@ -22,6 +22,7 @@ export const SESSION_RECORDING_NETWORK_PAYLOAD_CAPTURE = '$session_recording_net
 export const SESSION_RECORDING_CANVAS_RECORDING = '$session_recording_canvas_recording'
 export const SESSION_RECORDING_SAMPLE_RATE = '$replay_sample_rate'
 export const SESSION_RECORDING_MINIMUM_DURATION = '$replay_minimum_duration'
+export const SESSION_RECORDING_SCRIPT_CONFIG = '$replay_script_config'
 export const SESSION_ID = '$sesid'
 export const SESSION_RECORDING_IS_SAMPLED = '$session_is_sampled'
 export const SESSION_RECORDING_URL_TRIGGER_ACTIVATED_SESSION = '$session_recording_url_trigger_activated_session'

src/extensions/replay/sessionrecording.ts

@@ -7,6 +7,7 @@ import {
     SESSION_RECORDING_MINIMUM_DURATION,
     SESSION_RECORDING_NETWORK_PAYLOAD_CAPTURE,
     SESSION_RECORDING_SAMPLE_RATE,
+    SESSION_RECORDING_SCRIPT_CONFIG,
     SESSION_RECORDING_URL_TRIGGER_ACTIVATED_SESSION,
 } from '../../constants'
 import {
@@ -38,7 +39,7 @@ import {
 
 import { isBoolean, isFunction, isNullish, isNumber, isObject, isString, isUndefined } from '../../utils/type-utils'
 import { logger } from '../../utils/logger'
-import { assignableWindow, document, window } from '../../utils/globals'
+import { assignableWindow, document, PostHogExtensionKind, window } from '../../utils/globals'
 import { buildNetworkRequestOptions } from './config'
 import { isLocalhost } from '../../utils/request-utils'
 import { MutationRateLimiter } from './mutation-rate-limiter'
@@ -696,6 +697,7 @@ export class SessionRecording {
                     [SESSION_RECORDING_MINIMUM_DURATION]: isUndefined(receivedMinimumDuration)
                         ? null
                         : receivedMinimumDuration,
+                    [SESSION_RECORDING_SCRIPT_CONFIG]: response.sessionRecording?.scriptConfig,
                 })
             }
 
@@ -752,7 +754,7 @@ export class SessionRecording {
         // If recorder.js is already loaded (if array.full.js snippet is used or posthog-js/dist/recorder is
         // imported), don't load script. Otherwise, remotely import recorder.js from cdn since it hasn't been loaded.
         if (!this.rrwebRecord) {
-            assignableWindow.__PosthogExtensions__?.loadExternalDependency?.(this.instance, 'recorder', (err) => {
+            assignableWindow.__PosthogExtensions__?.loadExternalDependency?.(this.instance, this.scriptName, (err) => {
                 if (err) {
                     return logger.error(LOGGER_PREFIX + ` could not load recorder`, err)
                 }
@@ -769,6 +771,13 @@ export class SessionRecording {
         }
     }
 
+    private get scriptName(): PostHogExtensionKind {
+        return (
+            (this.instance?.persistence?.get_property(SESSION_RECORDING_SCRIPT_CONFIG)
+                ?.script as PostHogExtensionKind) || 'recorder'
+        )
+    }
+
     private isInteractiveEvent(event: eventWithTime) {
         return (
             event.type === INCREMENTAL_SNAPSHOT_EVENT_TYPE &&

src/types.ts

@@ -515,6 +515,7 @@ export interface DecideResponse {
         linkedFlag?: string | FlagVariant | null
         networkPayloadCapture?: Pick<NetworkRecordOptions, 'recordBody' | 'recordHeaders'>
         urlTriggers?: SessionRecordingUrlTrigger[]
+        scriptConfig?: { script?: string | undefined }
         urlBlocklist?: SessionRecordingUrlTrigger[]
         eventTriggers?: string[]
     }