cherry pick part of "fix: Improve GraphQL Schema Validation to allow …

…Subscription types when not using Realtime and ensure schema does not use reserved names (#9005)"

packages/internal/src/project.ts

@@ -29,3 +29,29 @@ export const getTsConfigs = () => {
     web: webTsConfig?.config ?? null,
   }
 }
+
+export const isTypeScriptProject = () => {
+  const paths = getPaths()
+  return (
+    fs.existsSync(path.join(paths.web.base, 'tsconfig.json')) ||
+    fs.existsSync(path.join(paths.api.base, 'tsconfig.json'))
+  )
+}
+
+export const isServerFileSetup = () => {
+  const serverFilePath = path.join(
+    getPaths().api.src,
+    `server.${isTypeScriptProject() ? 'ts' : 'js'}`
+  )
+
+  return fs.existsSync(serverFilePath)
+}
+
+export const isRealtimeSetup = () => {
+  const realtimePath = path.join(
+    getPaths().api.lib,
+    `realtime.${isTypeScriptProject() ? 'ts' : 'js'}`
+  )
+
+  return fs.existsSync(realtimePath)
+}

packages/internal/src/validateSchema.ts

@@ -6,18 +6,27 @@ import { DocumentNode, Kind, ObjectTypeDefinitionNode, visit } from 'graphql'
 import { rootSchema } from '@redwoodjs/graphql-server'
 import { getPaths } from '@redwoodjs/project-config'
 
+import { isServerFileSetup, isRealtimeSetup } from './project'
+
 export const DIRECTIVE_REQUIRED_ERROR_MESSAGE =
   'You must specify one of @requireAuth, @skipAuth or a custom directive'
 
 export const DIRECTIVE_INVALID_ROLE_TYPES_ERROR_MESSAGE =
   'Please check that the requireAuth roles is a string or an array of strings.'
 export function validateSchemaForDirectives(
   schemaDocumentNode: DocumentNode,
-  typesToCheck: string[] = ['Query', 'Mutation', 'Subscription']
+  typesToCheck: string[] = ['Query', 'Mutation']
 ) {
   const validationOutput: string[] = []
   const directiveRoleValidationOutput: Record<string, any> = []
 
+  // Is Subscriptions are enabled with Redwood Realtime, then enforce a rule
+  // that a Subscription type needs to have a authentication directive applied,
+  // just as Query and Mutation requires
+  if (isServerFileSetup() && isRealtimeSetup()) {
+    typesToCheck.push('Subscription')
+  }
+
   visit(schemaDocumentNode, {
     ObjectTypeDefinition(typeNode) {
       if (typesToCheck.includes(typeNode.name.value)) {