types: add SnapshotRecorderMode (#4442)

* types: add SnapshotRecorderMode

* fix types

Author: Uzlopak

test/types/snapshot-agent.test-d.ts

@@ -62,7 +62,7 @@ expectAssignable<Dispatcher>(new SnapshotAgent())
   expectType<Promise<void>>(snapshotAgent.loadSnapshots())
   expectType<Promise<void>>(snapshotAgent.loadSnapshots('./custom.json'))
   expectType<SnapshotRecorder>(snapshotAgent.getRecorder())
-  expectType<'record' | 'playback' | 'update'>(snapshotAgent.getMode())
+  expectType<SnapshotRecorder.SnapshotRecorderMode>(snapshotAgent.getMode())
   expectType<void>(snapshotAgent.clearSnapshots())
 
   // New snapshot management methods
@@ -361,9 +361,9 @@ expectAssignable<SnapshotAgent.Options>({
   const playbackAgent = new SnapshotAgent({ mode: 'playback', snapshotPath: './test.json' })
   const updateAgent = new SnapshotAgent({ mode: 'update', snapshotPath: './test.json' })
 
-  expectType<'record' | 'playback' | 'update'>(recordAgent.getMode())
-  expectType<'record' | 'playback' | 'update'>(playbackAgent.getMode())
-  expectType<'record' | 'playback' | 'update'>(updateAgent.getMode())
+  expectType<SnapshotRecorder.SnapshotRecorderMode>(recordAgent.getMode())
+  expectType<SnapshotRecorder.SnapshotRecorderMode>(playbackAgent.getMode())
+  expectType<SnapshotRecorder.SnapshotRecorderMode>(updateAgent.getMode())
 }
 
 {

types/snapshot-agent.d.ts

@@ -18,9 +18,11 @@ declare class SnapshotRecorder {
 }
 
 declare namespace SnapshotRecorder {
+  type SnapshotRecorderMode = 'record' | 'playback' | 'update'
+
   export interface Options {
     snapshotPath?: string
-    mode?: 'record' | 'playback' | 'update'
+    mode?: SnapshotRecorderMode
     maxSnapshots?: number
     autoFlush?: boolean
     flushInterval?: number
@@ -77,7 +79,7 @@ declare class SnapshotAgent extends MockAgent {
   saveSnapshots (filePath?: string): Promise<void>
   loadSnapshots (filePath?: string): Promise<void>
   getRecorder (): SnapshotRecorder
-  getMode (): 'record' | 'playback' | 'update'
+  getMode (): SnapshotRecorder.SnapshotRecorderMode
   clearSnapshots (): void
   resetCallCounts (): void
   deleteSnapshot (requestOpts: any): boolean
@@ -87,7 +89,7 @@ declare class SnapshotAgent extends MockAgent {
 
 declare namespace SnapshotAgent {
   export interface Options extends MockAgent.Options {
-    mode?: 'record' | 'playback' | 'update'
+    mode?: SnapshotRecorder.SnapshotRecorderMode
     snapshotPath?: string
     maxSnapshots?: number
     autoFlush?: boolean