Added operation names type for custom interceptGraphql command

This will allow type checking and autocompleteting the operation name when writing intercepts for graphql

cypress/support/index.ts

@@ -3,6 +3,7 @@
 /* eslint-disable @typescript-eslint/no-namespace */
 import "@cypress/code-coverage/support";
 import { hasOperationName } from "../utils/graphql-test-utils";
+import { Operations } from "../../src/core/dbc-gateway/types";
 
 const TOKEN_LIBRARY_KEY = "library";
 const TOKEN_USER_KEY = "user";
@@ -26,12 +27,12 @@ Cypress.Commands.add("createFakeAuthenticatedSession", () => {
 /**
  * interceptGraphql is used to make a graphQLrequest that returns fixture data
  *
- * @param {string} operationName The name of the operation to be mocked.
+ * @param {Operations} operationName The name of the operation to be mocked.
  * @param {string} fixtureFilePath The path to the fixture file to use as response
  *
  */
 type InterceptGraphqlParams = {
-  operationName: string;
+  operationName: Operations;
   fixtureFilePath?: string;
   statusCode?: number;
 };

cypress/utils/graphql-test-utils.ts

@@ -1,9 +1,10 @@
+import { Operations } from "../../src/core/dbc-gateway/types";
 import { CyHttpMessages } from "../support/types/net-stubbing";
 
 // Utility to match GraphQL mutation based on the operation name
 export const hasOperationName = (
   req: CyHttpMessages.IncomingHttpRequest,
-  operationName: string
+  operationName: Operations
 ) => {
   const pattern = /(query|mutation) (\w+)[(]*/g;
   const matches = pattern.exec(req.body.query);
@@ -13,7 +14,7 @@ export const hasOperationName = (
 // Alias query if operationName matches
 export const aliasOperation = (
   req: CyHttpMessages.IncomingHttpRequest,
-  operationName: string
+  operationName: Operations
 ) => {
   if (hasOperationName(req, operationName)) {
     const copyReq = req;

src/core/dbc-gateway/types.ts

@@ -0,0 +1,5 @@
+import { operationNames } from "./generated/graphql";
+
+type QueryOperations = keyof typeof operationNames.Query;
+type MutationOperations = keyof typeof operationNames.Mutation;
+export type Operations = QueryOperations | MutationOperations;