toi bi ngu

src/Graphql/graphql.builder.ts

@@ -34,6 +34,7 @@ export type SchemaContext =
       websocket: {
         req: Request
         pubSub: PubSub
+        sessionId: string
         me: User
         generator: PrismaCrudGenerator<BuilderTypes>
       }
@@ -159,8 +160,8 @@ export class Builder extends SchemaBuilder<SchemaBuilderOption> {
       },
     })
     this.scalarType('Delta', {
-      serialize: (value) => value.toString(),
-      parseValue: (value: unknown) => value as unknown as Delta,
+      serialize: (value) => JSON.stringify(value),
+      parseValue: (value: unknown) => JSON.parse(value as string) as Delta,
       parseLiteral: (ast: ValueNode) => ast as unknown as Delta,
     })