feat(rpc-adapter): adds rpc request and response types

packages/rpc-adapter/src/types/index.ts

@@ -0,0 +1 @@
+export * from './rpc';

packages/rpc-adapter/src/types/rpc.ts

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+// Request
+export type RPCRequest<D = any> = RPCUnaryRequest<D> | RPCStreamRequest<D>;
+
+export interface RPCUnaryRequest<D = any> {
+  id: string;
+  route: string;
+  action: 'query' | 'mutate';
+  data: D;
+}
+
+export type RPCStreamRequest<D = any> =
+  | RPCSubscribeRequest<D>
+  | RPCUnsubscribeRequest;
+
+export interface RPCSubscribeRequest<D = any> {
+  id: string;
+  route: string;
+  action: 'subscribe';
+  data: D;
+}
+
+export interface RPCUnsubscribeRequest {
+  id: string;
+  action: 'unsubscribe';
+}
+
+// Response
+export type RPCResponse<D = any> =
+  | RPCSuccessResponse<D>
+  | RPCErrorResponse
+  | RPCStreamFinalResponse;
+
+export interface RPCSuccessResponse<D = any> {
+  id: string;
+  status: 'success';
+  data: D;
+}
+
+export interface RPCErrorResponse {
+  id: string;
+  status: 'error';
+  data: RPCError;
+}
+
+export interface RPCStreamFinalResponse {
+  id: string;
+  status: 'complete' | 'unsubscribe';
+}
+
+export interface RPCError {
+  id: string;
+  code: string;
+  message?: string;
+}