✨[RUM-12672] Allow graphql variables field to be modifiable in beforeSend (#3949)

* allow graphql resource to be modifiable in before-send

* Remove global object for specific field

Author: rgaignault

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

@@ -215,6 +215,33 @@ describe('rum assembly', () => {
         })
       })
 
+      describe('field resource.graphql on Resource events', () => {
+        it('should allow modification of resource.graphql.variables property', () => {
+          const { lifeCycle, serverRumEvents } = setupAssemblyTestWithDefaults({
+            partialConfiguration: {
+              beforeSend: (event) => {
+                if (event.resource!.graphql) {
+                  event.resource!.graphql.variables = '{"modified":"value"}'
+                }
+              },
+            },
+          })
+
+          notifyRawRumEvent(lifeCycle, {
+            rawRumEvent: createRawRumEvent(RumEventType.RESOURCE, {
+              resource: {
+                graphql: {
+                  operationType: 'query',
+                  variables: '{"original":"value"}',
+                },
+              },
+            }),
+          })
+
+          expect((serverRumEvents[0] as RumResourceEvent).resource.graphql!.variables).toBe('{"modified":"value"}')
+        })
+      })
+
       it('should reject modification of field not sensitive, context or customer provided', () => {
         const { lifeCycle, serverRumEvents } = setupAssemblyTestWithDefaults({
           partialConfiguration: {

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

@@ -59,6 +59,7 @@ export function startRumAssembly(
     },
     [RumEventType.RESOURCE]: {
       'resource.url': 'string',
+      'resource.graphql.variables': 'string',
       ...USER_CUSTOMIZABLE_FIELD_PATHS,
       ...VIEW_MODIFIABLE_FIELD_PATHS,
       ...ROOT_MODIFIABLE_FIELD_PATHS,