🐛 add transition

Author: mormubis

packages/rum-core/src/domain/assembly.ts

@@ -92,6 +92,11 @@ export function startRumAssembly(
       ...VIEW_MODIFIABLE_FIELD_PATHS,
       ...ROOT_MODIFIABLE_FIELD_PATHS,
     },
+    [RumEventType.TRANSITION]: {
+      ...USER_CUSTOMIZABLE_FIELD_PATHS,
+      ...VIEW_MODIFIABLE_FIELD_PATHS,
+      ...ROOT_MODIFIABLE_FIELD_PATHS,
+    },
   }
   const eventRateLimiters = {
     [RumEventType.ERROR]: createEventRateLimiter(

packages/rum-core/src/domain/event/eventCollection.ts

@@ -20,6 +20,8 @@ const allowedEventTypes = [
   RumEventType.LONG_TASK,
   RumEventType.RESOURCE,
   RumEventType.STREAM,
+  RumEventType.STREAM,
+  RumEventType.TRANSITION,
   RumEventType.VITAL,
 ] as const
 

packages/rum-core/src/rawRumEvent.types.ts

@@ -29,6 +29,7 @@ export const RumEventType = {
   RESOURCE: 'resource',
   VITAL: 'vital',
   STREAM: 'stream',
+  TRANSITION: 'transition',
 } as const
 
 export type RumEventType = (typeof RumEventType)[keyof typeof RumEventType]
@@ -398,6 +399,23 @@ export interface RawRumStreamEvent {
   }
 }
 
+export interface RawRumTransitionEvent {
+  date: TimeStamp
+  type: typeof RumEventType.TRANSITION
+  stream: {
+    id: string
+  }
+  transition: {
+    type: string
+    id?: string
+    timestamp?: number
+    buffer_starvation_duration?: number
+    media_start_delay?: number
+    error_code?: number
+    duration?: number
+  }
+}
+
 export type RawRumEvent =
   | RawRumErrorEvent
   | RawRumResourceEvent
@@ -407,3 +425,4 @@ export type RawRumEvent =
   | RawRumActionEvent
   | RawRumVitalEvent
   | RawRumStreamEvent
+  | RawRumTransitionEvent

packages/rum-core/test/fixtures.ts

@@ -143,6 +143,21 @@ export function createRawRumEvent(type: RumEventType, overrides?: Context): RawR
         },
         overrides
       )
+    case RumEventType.TRANSITION:
+      return combine(
+        {
+          type,
+          date: 0 as TimeStamp,
+          stream: {
+            id: generateUUID(),
+          },
+          transition: {
+            id: generateUUID(),
+            type: 'MEDIA_PLAYER_PLAY',
+          }
+        },
+        overrides
+      )
   }
 }