refactor(types): migrate from tsd to tstyche

lib/federation.js

@@ -355,6 +355,22 @@ function buildFederationSchema (schema, { isGateway } = {}) {
     isGateway
   )
 
+  if (isGateway) {
+    const seenDirectives = {}
+    for (const definition of definitions) {
+      if (definition.kind === Kind.DIRECTIVE_DEFINITION) {
+        const name = definition.name.value
+        if (seenDirectives[name]) {
+          if (print(seenDirectives[name]) !== print(definition)) {
+            throw new MER_ERR_GQL_FEDERATION_DUPLICATE_DIRECTIVE(name)
+          }
+        } else {
+          seenDirectives[name] = definition
+        }
+      }
+    }
+  }
+
   // before we validate the federationSchema, we want to remove the _service field from the extended query,
   // if there is one, as this field should be excluded from the validation to provide broader support
   // for different federation implementations => https://github.com/mercurius-js/mercurius/issues/643

package.json

@@ -3,22 +3,22 @@
   "version": "5.1.1",
   "description": "A plugin for mercurius federation",
   "main": "index.js",
-  "types": "index.d.ts",
+  "types": "types/index.d.ts",
   "files": [
     "index.js",
-    "index.d.ts",
+    "types/index.d.ts",
     "lib"
   ],
   "scripts": {
     "lint": "npm run lint:standard && npm run lint:typescript",
     "lint:fix": "standard --fix",
     "lint:standard": "standard | snazzy",
-    "lint:typescript": "standard --parser @typescript-eslint/parser --plugin @typescript-eslint/eslint-plugin test/types/*.ts",
+    "lint:typescript": "standard --parser @typescript-eslint/parser --plugin @typescript-eslint/eslint-plugin types/**/*.ts",
     "example": "node example/index.js",
     "test": "npm run lint && npm run test:unit && npm run test:types",
     "test:unit": "node --test",
     "test:cov": "c8 node --test",
-    "test:types": "tsd",
+    "test:types": "tstyche",
     "prepare": "husky"
   },
   "repository": {
@@ -52,12 +52,9 @@
     "mqemitter": "^7.0.0",
     "snazzy": "^9.0.0",
     "standard": "^17.0.0",
-    "tsd": "^0.33.0",
+    "tstyche": "^7.1.0",
     "ws": "^8.11.0"
   },
-  "tsd": {
-    "directory": "test/types"
-  },
   "lint-staged": {
     "*.{js,jsx}": "standard --cache --fix"
   },

index.d.ts → types/index.d.ts

@@ -3,7 +3,7 @@ import { FastifyInstance } from 'fastify'
 import { MercuriusOptions } from 'mercurius'
 import {
   DocumentNode
-} from 'graphql/language/ast';
+} from 'graphql/language/ast'
 
 export interface buildFederationSchemaOptions {
   isGateway?: boolean

types/index.tst.ts

@@ -0,0 +1,44 @@
+import Fastify from 'fastify'
+import gql from 'graphql-tag'
+import { GraphQLSchema } from 'graphql/index.js'
+import { expect } from 'tstyche'
+
+import { buildFederationSchema, mercuriusFederationPlugin } from '..'
+
+const schema = `
+    extend type Query {
+      me: User
+    }
+
+    type User @key(fields: "id") {
+      id: ID!
+      name: String
+      username: String
+    }
+  `
+
+const schema2 = `
+    extend type Query {
+      you: User
+    }
+  `
+
+expect(buildFederationSchema(schema)).type.toBe<GraphQLSchema>()
+expect(buildFederationSchema(gql(schema))).type.toBe<GraphQLSchema>()
+expect(buildFederationSchema([gql(schema), gql(schema2)])).type.toBe<GraphQLSchema>()
+expect(buildFederationSchema(schema, {})).type.toBe<GraphQLSchema>()
+expect(buildFederationSchema(schema, { isGateway: true })).type.toBe<GraphQLSchema>()
+
+expect(buildFederationSchema).type.not.toBeCallableWith(schema, { isGateway: 'hello' })
+
+const app = Fastify()
+
+app.register(mercuriusFederationPlugin, {
+  schema,
+  graphiql: true
+})
+
+expect(app.register).type.not.toBeCallableWith(mercuriusFederationPlugin, {
+  schema: buildFederationSchema(schema),
+  graphiql: true
+})