fix: connection plugin (#569)

fixes #402 fixes #450 Fixes: - Global connection field extensions were never executed - Typings of global connection field extension (root, args and the resolver return type was wrong) - Typings of local connection field extension (everything was any)
2020-10-26 14:24:20 +01:00 · 2020-10-26 14:24:20 +01:00 · de7cdfd396
parent 980920a72a
commit de7cdfd396
17 changed files with 1369 additions and 16 deletions
--- a/examples/apollo-fullstack/src/fullstack-typegen.ts
+++ b/examples/apollo-fullstack/src/fullstack-typegen.ts
@ -109,6 +109,58 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Launch: {
+    // field return type name
+    id: 'ID'
+    isBooked: 'Boolean'
+    mission: 'Mission'
+    rocket: 'Rocket'
+    site: 'String'
+  }
+  LaunchConnection: {
+    // field return type name
+    cursor: 'String'
+    hasMore: 'Boolean'
+    launches: 'Launch'
+  }
+  Mission: {
+    // field return type name
+    missionPatch: 'String'
+    name: 'String'
+  }
+  Mutation: {
+    // field return type name
+    bookTrips: 'TripUpdateResponse'
+    cancelTrip: 'TripUpdateResponse'
+    login: 'String'
+  }
+  Query: {
+    // field return type name
+    launch: 'Launch'
+    launches: 'LaunchConnection'
+    me: 'User'
+  }
+  Rocket: {
+    // field return type name
+    id: 'ID'
+    name: 'String'
+    type: 'String'
+  }
+  TripUpdateResponse: {
+    // field return type name
+    launches: 'Launch'
+    message: 'String'
+    success: 'Boolean'
+  }
+  User: {
+    // field return type name
+    email: 'String'
+    id: 'ID'
+    trips: 'Launch'
+  }
+}
+
 export interface NexusGenArgTypes {
  Mission: {
    missionPatch: {
@ -174,6 +226,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes
  argTypes: NexusGenArgTypes
  fieldTypes: NexusGenFieldTypes
+  fieldTypeNames: NexusGenFieldTypeNames
  allTypes: NexusGenAllTypes
  inheritedFields: NexusGenInheritedFields
  objectNames: NexusGenObjectNames
--- a/examples/githunt-api/src/githunt-typegen.ts
+++ b/examples/githunt-api/src/githunt-typegen.ts
@ -130,6 +130,61 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Comment: {
+    // field return type name
+    content: 'String'
+    createdAt: 'Float'
+    id: 'Int'
+    postedBy: 'User'
+    repoName: 'String'
+  }
+  Entry: {
+    // field return type name
+    commentCount: 'Int'
+    comments: 'Comment'
+    createdAt: 'Float'
+    hotScore: 'Float'
+    id: 'Int'
+    postedBy: 'User'
+    repository: 'Repository'
+    score: 'Int'
+    vote: 'Vote'
+  }
+  Mutation: {
+    // field return type name
+    submitComment: 'Comment'
+    submitRepository: 'Entry'
+    vote: 'Entry'
+  }
+  Query: {
+    // field return type name
+    currentUser: 'User'
+    entry: 'Entry'
+    feed: 'Entry'
+  }
+  Repository: {
+    // field return type name
+    description: 'String'
+    full_name: 'String'
+    html_url: 'String'
+    name: 'String'
+    open_issues_count: 'Int'
+    owner: 'User'
+    stargazers_count: 'Int'
+  }
+  User: {
+    // field return type name
+    avatar_url: 'String'
+    html_url: 'String'
+    login: 'String'
+  }
+  Vote: {
+    // field return type name
+    vote_value: 'Int'
+  }
+}
+
 export interface NexusGenArgTypes {
  Entry: {
    comments: {
@ -190,6 +245,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes
  argTypes: NexusGenArgTypes
  fieldTypes: NexusGenFieldTypes
+  fieldTypeNames: NexusGenFieldTypeNames
  allTypes: NexusGenAllTypes
  inheritedFields: NexusGenInheritedFields
  objectNames: NexusGenObjectNames
--- a/examples/kitchen-sink/kitchen-sink-schema.graphql
+++ b/examples/kitchen-sink/kitchen-sink-schema.graphql
@ -98,6 +98,9 @@ input NestedType {
  veryNested: String
 }

+"""
+A "Node" is an Object with a required ID field (id), per the https://relay.dev/docs/en/graphql-server-specification
+"""
 interface Node {
  id: ID!
 }
@ -250,12 +253,13 @@ type SomeItem {
  id: ID
 }

-type TestObj implements Bar & Baz {
+type TestObj implements Bar & Baz & Node {
  """
  'A' description
  """
  a: Bar
  argsTest(a: InputType = { answer: 2, key: "one" }): Boolean
+  id: ID!
  item: String
  ok: Boolean
 }
--- a/examples/kitchen-sink/src/example-plugins.ts
+++ b/examples/kitchen-sink/src/example-plugins.ts
@ -43,7 +43,7 @@ export const NodePlugin = plugin({
      return interfaceType({
        name: 'Node',
        description:
-          'A "Node" is a field with a required ID field (id), per the https://relay.dev/docs/en/graphql-server-specification',
+          'A "Node" is an Object with a required ID field (id), per the https://relay.dev/docs/en/graphql-server-specification',
        definition(t) {
          t.id('id', {
            nullable: false,
@ -52,8 +52,9 @@ export const NodePlugin = plugin({
            },
          })
          t.resolveType((t) => {
-            if (t.__typename) {
-              return t.__typename
+            // https://github.com/graphql-nexus/schema/issues/188
+            if ((t as any).__typename) {
+              return (t as any).__typename
            }
            throw new Error('__typename missing for resolving Node')
          })
--- a/examples/kitchen-sink/src/kitchen-sink.gen.ts
+++ b/examples/kitchen-sink/src/kitchen-sink.gen.ts
@ -133,7 +133,7 @@ export interface NexusGenRootTypes {
  }
  Bar: NexusGenRootTypes['Foo'] | NexusGenRootTypes['TestObj']
  Baz: NexusGenRootTypes['TestObj']
-  Node: any
+  Node: NexusGenRootTypes['TestObj']
  UnusedInterface: UnusedInterfaceTypeDef
  TestUnion: NexusGenRootTypes['Foo']
 }
@ -221,6 +221,7 @@ export interface NexusGenFieldTypes {
    // field return type
    a: NexusGenRootTypes['Bar'] | null // Bar
    argsTest: boolean | null // Boolean
+    id: string // ID!
    item: string | null // String
    ok: boolean | null // Boolean
  }
@ -259,11 +260,120 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  BooleanConnection: {
+    // field return type name
+    edges: 'BooleanEdge'
+    pageInfo: 'PageInfo'
+  }
+  BooleanEdge: {
+    // field return type name
+    cursor: 'String'
+    node: 'Boolean'
+  }
+  ComplexObject: {
+    // field return type name
+    id: 'ID'
+  }
+  DateConnection: {
+    // field return type name
+    edges: 'DateEdge'
+    pageInfo: 'PageInfo'
+  }
+  DateEdge: {
+    // field return type name
+    cursor: 'String'
+    node: 'Date'
+  }
+  Foo: {
+    // field return type name
+    argsTest: 'Boolean'
+    name: 'String'
+    ok: 'Boolean'
+  }
+  Mutation: {
+    // field return type name
+    ok: 'Boolean'
+    someMutationField: 'Foo'
+  }
+  PageInfo: {
+    // field return type name
+    endCursor: 'String'
+    hasNextPage: 'Boolean'
+    hasPreviousPage: 'Boolean'
+    startCursor: 'String'
+  }
+  Query: {
+    // field return type name
+    asArgExample: 'String'
+    bar: 'TestObj'
+    booleanConnection: 'BooleanConnection'
+    complexQuery: 'ComplexObject'
+    dateAsList: 'Date'
+    extended: 'SomeItem'
+    getNumberOrNull: 'Int'
+    guardedConnection: 'DateConnection'
+    inlineArgs: 'String'
+    inputAsArgExample: 'String'
+    protectedField: 'Int'
+    userConnectionAdditionalArgs: 'UserConnection'
+    userConnectionBackwardOnly: 'UserConnection'
+    userConnectionForwardOnly: 'UserConnection'
+    usersConnectionNodes: 'UserConnection'
+    usersConnectionResolve: 'UserConnection'
+  }
+  SomeItem: {
+    // field return type name
+    id: 'ID'
+  }
+  TestObj: {
+    // field return type name
+    a: 'Bar'
+    argsTest: 'Boolean'
+    id: 'ID'
+    item: 'String'
+    ok: 'Boolean'
+  }
+  User: {
+    // field return type name
+    id: 'ID'
+    name: 'String'
+  }
+  UserConnection: {
+    // field return type name
+    edges: 'UserEdge'
+    pageInfo: 'PageInfo'
+  }
+  UserEdge: {
+    // field return type name
+    cursor: 'String'
+    node: 'User'
+  }
+  Bar: {
+    // field return type name
+    argsTest: 'Boolean'
+    ok: 'Boolean'
+  }
+  Baz: {
+    // field return type name
+    a: 'Bar'
+    ok: 'Boolean'
+  }
+  Node: {
+    // field return type name
+    id: 'ID'
+  }
+  UnusedInterface: {
+    // field return type name
+    ok: 'Boolean'
+  }
+}
+
 export interface NexusGenArgTypes {
  Foo: {
    argsTest: {
      // args
-      a?: NexusGenInputs['InputType'] | null // InputType
+      a: NexusGenInputs['InputType'] | null // InputType
    }
  }
  Mutation: {
@ -338,13 +448,13 @@ export interface NexusGenArgTypes {
  TestObj: {
    argsTest: {
      // args
-      a?: NexusGenInputs['InputType'] | null // InputType
+      a: NexusGenInputs['InputType'] | null // InputType
    }
  }
  Bar: {
    argsTest: {
      // args
-      a?: NexusGenInputs['InputType'] | null // InputType
+      a: NexusGenInputs['InputType'] | null // InputType
    }
  }
 }
@ -353,6 +463,7 @@ export interface NexusGenAbstractResolveReturnTypes {
  TestUnion: 'Foo'
  Bar: 'Foo' | 'TestObj'
  Baz: 'TestObj'
+  Node: 'TestObj'
 }

 export interface NexusGenInheritedFields {}
@ -389,6 +500,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes
  argTypes: NexusGenArgTypes
  fieldTypes: NexusGenFieldTypes
+  fieldTypeNames: NexusGenFieldTypeNames
  allTypes: NexusGenAllTypes
  inheritedFields: NexusGenInheritedFields
  objectNames: NexusGenObjectNames
--- a/examples/star-wars/src/star-wars-typegen.ts
+++ b/examples/star-wars/src/star-wars-typegen.ts
@ -73,6 +73,38 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Droid: {
+    // field return type name
+    appearsIn: 'Episode'
+    friends: 'Character'
+    id: 'String'
+    name: 'String'
+    primaryFunction: 'String'
+  }
+  Human: {
+    // field return type name
+    appearsIn: 'Episode'
+    friends: 'Character'
+    homePlanet: 'String'
+    id: 'String'
+    name: 'String'
+  }
+  Query: {
+    // field return type name
+    droid: 'Droid'
+    hero: 'Character'
+    human: 'Human'
+  }
+  Character: {
+    // field return type name
+    appearsIn: 'Episode'
+    friends: 'Character'
+    id: 'String'
+    name: 'String'
+  }
+}
+
 export interface NexusGenArgTypes {
  Droid: {
    appearsIn: {
@ -132,6 +164,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes
  argTypes: NexusGenArgTypes
  fieldTypes: NexusGenFieldTypes
+  fieldTypeNames: NexusGenFieldTypeNames
  allTypes: NexusGenAllTypes
  inheritedFields: NexusGenInheritedFields
  objectNames: NexusGenObjectNames
--- a/examples/ts-ast-reader/src/ts-ast-reader-typegen.ts
+++ b/examples/ts-ast-reader/src/ts-ast-reader-typegen.ts
@ -1060,6 +1060,937 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  ArrayTypeNode: {
+    // field return type name
+    elementType: 'Node'
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  BindingPattern: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  CallSignatureDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ClassDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    members: 'Node'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ComputedPropertyName: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ConditionalTypeNode: {
+    // field return type name
+    checkType: 'Node'
+    end: 'Int'
+    extendsType: 'Node'
+    falseType: 'Node'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    trueType: 'Node'
+    typeName: 'DeclarationName'
+  }
+  ConstructSignatureDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ConstructorDeclaration: {
+    // field return type name
+    asteriskToken: 'Token'
+    end: 'Int'
+    exclamationToken: 'Token'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parameters: 'ParameterDeclaration'
+    parent: 'Node'
+    pos: 'Int'
+    questionToken: 'Token'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+    typeParameters: 'TypeParameterDeclaration'
+  }
+  ConstructorTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+  }
+  EnumDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    members: 'Node'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ExportAssignment: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ExportDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  FunctionDeclaration: {
+    // field return type name
+    asteriskToken: 'Token'
+    end: 'Int'
+    exclamationToken: 'Token'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parameters: 'ParameterDeclaration'
+    parent: 'Node'
+    pos: 'Int'
+    questionToken: 'Token'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+    typeParameters: 'TypeParameterDeclaration'
+  }
+  FunctionTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+  }
+  GetAccessorDeclaration: {
+    // field return type name
+    asteriskToken: 'Token'
+    end: 'Int'
+    exclamationToken: 'Token'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parameters: 'ParameterDeclaration'
+    parent: 'Node'
+    pos: 'Int'
+    questionToken: 'Token'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+    typeParameters: 'TypeParameterDeclaration'
+  }
+  Identifier: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    text: 'String'
+    typeName: 'DeclarationName'
+  }
+  ImportDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ImportEqualsDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ImportTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  IndexSignatureDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  IndexedAccessTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  InferTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+    typeParameter: 'Node'
+  }
+  InterfaceDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  IntersectionTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+    types: 'Node'
+  }
+  JSDoc: {
+    // field return type name
+    comment: 'String'
+    tags: 'JSDocTag'
+  }
+  JSDocAugmentsTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  JSDocClassTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  JSDocEnumTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  JSDocNamespaceDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  JSDocReturnTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  JSDocTemplateTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  JSDocThisTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  JSDocTypeTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  JSDocUnknownTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  KeywordTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  LiteralType: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  MappedTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  MethodDeclaration: {
+    // field return type name
+    asteriskToken: 'Token'
+    end: 'Int'
+    exclamationToken: 'Token'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parameters: 'ParameterDeclaration'
+    parent: 'Node'
+    pos: 'Int'
+    questionToken: 'Token'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+    typeParameters: 'TypeParameterDeclaration'
+  }
+  MissingDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ModuleDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  NamespaceDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  NamespaceExportDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  NumericLiteral: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  OptionalTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+  }
+  ParameterDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+  }
+  ParenthesizedType: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+  }
+  PropertyDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    questionToken: 'Token'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  PropertyLikeDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  PropertySignature: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    questionToken: 'Token'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+  }
+  QualifiedName: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  Query: {
+    // field return type name
+    parseFile: 'SourceFile'
+  }
+  RestTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+  }
+  SetAccessorDeclaration: {
+    // field return type name
+    asteriskToken: 'Token'
+    end: 'Int'
+    exclamationToken: 'Token'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parameters: 'ParameterDeclaration'
+    parent: 'Node'
+    pos: 'Int'
+    questionToken: 'Token'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+    typeParameters: 'TypeParameterDeclaration'
+  }
+  SourceFile: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    statements: 'Node'
+    typeName: 'DeclarationName'
+  }
+  StringLiteral: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  StringLiteralLike: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  ThisTypeNode: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  Token: {
+    // field return type name
+    kind: 'SyntaxKind'
+  }
+  TupleTypeNode: {
+    // field return type name
+    elementTypes: 'Node'
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  TypeAliasDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    jsDoc: 'JSDoc'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    type: 'Node'
+    typeName: 'DeclarationName'
+    typeParameters: 'TypeParameterDeclaration'
+  }
+  TypeLiteral: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  TypeParameterDeclaration: {
+    // field return type name
+    constraint: 'Node'
+    default: 'Node'
+    end: 'Int'
+    expression: 'Node'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  TypeReference: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    text: 'String'
+    typeArguments: 'Node'
+    typeName: 'DeclarationName'
+  }
+  UNKNOWN_NODE: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  UnionType: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+    types: 'Node'
+  }
+  UnnamedNode: {
+    // field return type name
+    text: 'String'
+  }
+  VariableDeclaration: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+  HasJSDoc: {
+    // field return type name
+    jsDoc: 'JSDoc'
+  }
+  JSDocTag: {
+    // field return type name
+    comment: 'String'
+    tagName: 'String'
+  }
+  MaybeOptional: {
+    // field return type name
+    questionToken: 'Token'
+  }
+  Node: {
+    // field return type name
+    end: 'Int'
+    flags: 'NodeFlags'
+    kind: 'SyntaxKind'
+    kindCode: 'Int'
+    modifiers: 'Token'
+    name: 'DeclarationName'
+    nameText: 'String'
+    parent: 'Node'
+    pos: 'Int'
+    rawText: 'String'
+    typeName: 'DeclarationName'
+  }
+}
+
 export interface NexusGenArgTypes {
  ArrayTypeNode: {
    modifiers: {
@ -1938,6 +2869,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes
  argTypes: NexusGenArgTypes
  fieldTypes: NexusGenFieldTypes
+  fieldTypeNames: NexusGenFieldTypeNames
  allTypes: NexusGenAllTypes
  inheritedFields: NexusGenInheritedFields
  objectNames: NexusGenObjectNames
--- a/src/plugins/connectionPlugin.ts
+++ b/src/plugins/connectionPlugin.ts
@ -7,6 +7,7 @@ import { dynamicOutputMethod } from '../dynamicMethod'
 import { completeValue, plugin } from '../plugin'
 import {
  ArgsValue,
+  FieldTypeName,
  GetGen,
  MaybePromise,
  MaybePromiseDeep,
@ -193,7 +194,7 @@ export type ConnectionFieldConfig<TypeName extends string = any, FieldName exten
   * This will cause the resulting type to be prefix'ed with the name of the type/field it is branched off of,
   * so as not to conflict with any non-extended connections.
   */
-  extendConnection?: (def: ObjectDefinitionBlock<any>) => void
+  extendConnection?: (def: ObjectDefinitionBlock<FieldTypeName<TypeName, FieldName>>) => void
  /**
   * Dynamically adds additional fields to the connection "edge" when it is defined.
   * This will cause the resulting type to be prefix'ed with the name of the type/field it is branched off of,
@ -353,7 +354,7 @@ export const connectionPlugin = (connectionPluginConfig?: ConnectionPluginConfig
      // field definition.
      if (pluginExtendConnection) {
        eachObj(pluginExtendConnection, (val, key) => {
-          dynamicConfig.push(`${key}: core.SubFieldResolver<TypeName, FieldName, "${key}">`)
+          dynamicConfig.push(`${key}: core.FieldResolver<core.FieldTypeName<TypeName, FieldName>, "${key}">`)
        })
      }

@ -417,8 +418,11 @@ export const connectionPlugin = (connectionPluginConfig?: ConnectionPluginConfig
                      })
                    }
                    if (pluginExtendConnection) {
-                      eachObj(pluginExtendConnection, (val, key) => {
-                        t2.field(key, val)
+                      eachObj(pluginExtendConnection, (extensionFieldConfig, extensionFieldName) => {
+                        t2.field(extensionFieldName, {
+                          ...extensionFieldConfig,
+                          resolve: (fieldConfig as any)[extensionFieldName],
+                        })
                      })
                    }
                    if (fieldConfig.extendConnection instanceof Function) {
@ -628,7 +632,7 @@ export function makeResolveFn(
      nodes: any[]
    }>

-    // Get all the nodes, before any pagination sliciing
+    // Get all the nodes, before any pagination slicing
    const resolveAllNodes = () => {
      if (cachedNodes !== undefined) {
        return cachedNodes
--- a/src/typegenPrinter.ts
+++ b/src/typegenPrinter.ts
@ -1,5 +1,6 @@
 import * as fs from 'fs'
 import {
+  getNamedType,
  GraphQLArgument,
  GraphQLEnumType,
  GraphQLField,
@ -85,7 +86,8 @@ export class TypegenPrinter {
      this.printScalarTypeMap(),
      this.printRootTypeMap(),
      this.printAllTypesMap(),
-      this.printReturnTypeMap(),
+      this.printFieldTypesMap(),
+      this.printFieldTypeNamesMap(),
      this.printArgTypeMap(),
      this.printAbstractResolveReturnTypeMap(),
      this.printInheritedFieldMap(),
@ -124,6 +126,7 @@ export class TypegenPrinter {
        `  rootTypes: NexusGenRootTypes;`,
        `  argTypes: NexusGenArgTypes;`,
        `  fieldTypes: NexusGenFieldTypes;`,
+        `  fieldTypeNames: NexusGenFieldTypeNames;`,
        `  allTypes: NexusGenAllTypes;`,
        `  inheritedFields: NexusGenInheritedFields;`,
        `  objectNames: NexusGenObjectNames;`,
@ -523,6 +526,21 @@ export class TypegenPrinter {
    return returnTypeMap
  }

+  buildReturnTypeNamesMap() {
+    const returnTypeMap: TypeFieldMapping = {}
+    const hasFields: (GraphQLInterfaceType | GraphQLObjectType)[] = []
+    hasFields
+      .concat(this.groupedTypes.object)
+      .concat(this.groupedTypes.interface)
+      .forEach((type) => {
+        eachObj(type.getFields(), (field) => {
+          returnTypeMap[type.name] = returnTypeMap[type.name] || {}
+          returnTypeMap[type.name][field.name] = [':', `'${getNamedType(field.type).name}'`]
+        })
+      })
+    return returnTypeMap
+  }
+
  printOutputType(type: GraphQLOutputType) {
    const returnType = this.typeToArr(type)
    function combine(item: any[]): string {
@ -561,10 +579,18 @@ export class TypegenPrinter {
    return typing
  }

-  printReturnTypeMap() {
+  printFieldTypesMap() {
    return this.printTypeFieldInterface('NexusGenFieldTypes', this.buildReturnTypeMap(), 'field return type')
  }

+  printFieldTypeNamesMap() {
+    return this.printTypeFieldInterface(
+      'NexusGenFieldTypeNames',
+      this.buildReturnTypeNamesMap(),
+      'field return type name'
+    )
+  }
+
  normalizeArg(arg: GraphQLInputField | GraphQLArgument): [string, string] {
    return [this.argSeparator(arg.type, Boolean(arg.defaultValue)), this.argTypeRepresentation(arg.type)]
  }
--- a/src/typegenTypeHelpers.ts
+++ b/src/typegenTypeHelpers.ts
@ -100,6 +100,12 @@ export type FieldResolver<TypeName extends string, FieldName extends string> = (
  info: GraphQLResolveInfo
 ) => MaybePromise<ResultValue<TypeName, FieldName>> | MaybePromiseDeep<ResultValue<TypeName, FieldName>>

+export type FieldTypeName<TypeName extends string, FieldName extends string> = GetGen3<
+  'fieldTypeNames',
+  TypeName,
+  FieldName
+>
+
 export type SubFieldResolver<
  TypeName extends string,
  FieldName extends string,
@ -130,6 +136,7 @@ export type GenTypesShapeKeys =
  | 'rootTypes'
  | 'argTypes'
  | 'fieldTypes'
+  | 'fieldTypeNames'
  | 'allTypes'
  | 'inheritedFields'
  | 'objectNames'
--- a/tests/snapshots/backingTypes.spec.ts.snap
+++ b/tests/snapshots/backingTypes.spec.ts.snap
@ -62,6 +62,12 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Query: { // field return type name
+    ok: 'Boolean'
+  }
+}
+
 export interface NexusGenArgTypes {
 }

@ -88,6 +94,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes;
  argTypes: NexusGenArgTypes;
  fieldTypes: NexusGenFieldTypes;
+  fieldTypeNames: NexusGenFieldTypeNames;
  allTypes: NexusGenAllTypes;
  inheritedFields: NexusGenInheritedFields;
  objectNames: NexusGenObjectNames;
--- a/tests/snapshots/typegenPrinter.spec.ts.snap
+++ b/tests/snapshots/typegenPrinter.spec.ts.snap
@ -238,6 +238,37 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Mutation: { // field return type name
+    createPost: 'Post'
+    registerClick: 'Query'
+    someList: 'String'
+  }
+  Post: { // field return type name
+    author: 'User'
+    geo: 'Float'
+    id: 'ID'
+    messyGeo: 'Float'
+    uuid: 'UUID'
+  }
+  Query: { // field return type name
+    posts: 'Post'
+    unionField: 'ExampleUnion'
+    user: 'User'
+  }
+  User: { // field return type name
+    email: 'String'
+    id: 'ID'
+    name: 'String'
+    outEnum: 'SomeEnum'
+    phone: 'String'
+    posts: 'Post'
+  }
+  Node: { // field return type name
+    id: 'ID'
+  }
+}
+
 export interface NexusGenArgTypes {
  Mutation: {
    createPost: { // args
@ -290,6 +321,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes;
  argTypes: NexusGenArgTypes;
  fieldTypes: NexusGenFieldTypes;
+  fieldTypeNames: NexusGenFieldTypeNames;
  allTypes: NexusGenAllTypes;
  inheritedFields: NexusGenInheritedFields;
  objectNames: NexusGenObjectNames;
--- a/tests/kitchen-sink/__typegen.ts
+++ b/tests/kitchen-sink/__typegen.ts
@ -96,6 +96,40 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Mutation: {
+    // field return type name
+    createUser: 'User'
+  }
+  Post: {
+    // field return type name
+    body: 'String'
+    title: 'String'
+  }
+  Query: {
+    // field return type name
+    foo: 'String'
+    searchPosts: 'Post'
+    user: 'User'
+  }
+  Subscription: {
+    // field return type name
+    someBoolean: 'Boolean'
+    someField: 'Int'
+    someFields: 'Int'
+    someFloat: 'Float'
+    someID: 'ID'
+    someInt: 'Int'
+    someInts: 'Int'
+    someString: 'String'
+  }
+  User: {
+    // field return type name
+    firstName: 'String'
+    lastName: 'String'
+  }
+}
+
 export interface NexusGenArgTypes {
  Mutation: {
    createUser: {
@ -138,6 +172,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes
  argTypes: NexusGenArgTypes
  fieldTypes: NexusGenFieldTypes
+  fieldTypeNames: NexusGenFieldTypeNames
  allTypes: NexusGenAllTypes
  inheritedFields: NexusGenInheritedFields
  objectNames: NexusGenObjectNames
--- a/tests/plugins/snapshots/fieldAuthorizePlugin.spec.ts.snap
+++ b/tests/plugins/snapshots/fieldAuthorizePlugin.spec.ts.snap
@ -90,6 +90,12 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Query: { // field return type name
+    ok: 'Boolean'
+  }
+}
+
 export interface NexusGenArgTypes {
 }

@ -116,6 +122,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes;
  argTypes: NexusGenArgTypes;
  fieldTypes: NexusGenFieldTypes;
+  fieldTypeNames: NexusGenFieldTypeNames;
  allTypes: NexusGenAllTypes;
  inheritedFields: NexusGenInheritedFields;
  objectNames: NexusGenObjectNames;
--- a/tests/plugins/snapshots/queryComplexityPlugin.spec.ts.snap
+++ b/tests/plugins/snapshots/queryComplexityPlugin.spec.ts.snap
@ -48,6 +48,12 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Query: { // field return type name
+    ok: 'Boolean'
+  }
+}
+
 export interface NexusGenArgTypes {
 }

@ -74,6 +80,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes;
  argTypes: NexusGenArgTypes;
  fieldTypes: NexusGenFieldTypes;
+  fieldTypeNames: NexusGenFieldTypeNames;
  allTypes: NexusGenAllTypes;
  inheritedFields: NexusGenInheritedFields;
  objectNames: NexusGenObjectNames;
--- a/tests/typegen/types.gen.ts
+++ b/tests/typegen/types.gen.ts
@ -93,6 +93,42 @@ export interface NexusGenFieldTypes {
  }
 }

+export interface NexusGenFieldTypeNames {
+  Mutation: {
+    // field return type name
+    createPost: 'Post'
+    registerClick: 'Query'
+    someList: 'String'
+  }
+  Post: {
+    // field return type name
+    author: 'User'
+    geo: 'Float'
+    id: 'ID'
+    messyGeo: 'Float'
+    uuid: 'UUID'
+  }
+  Query: {
+    // field return type name
+    posts: 'Post'
+    unionField: 'ExampleUnion'
+    user: 'User'
+  }
+  User: {
+    // field return type name
+    email: 'String'
+    id: 'ID'
+    name: 'String'
+    outEnum: 'SomeEnum'
+    phone: 'String'
+    posts: 'Post'
+  }
+  Node: {
+    // field return type name
+    id: 'ID'
+  }
+}
+
 export interface NexusGenArgTypes {
  Mutation: {
    createPost: {
@ -151,6 +187,7 @@ export interface NexusGenTypes {
  rootTypes: NexusGenRootTypes
  argTypes: NexusGenArgTypes
  fieldTypes: NexusGenFieldTypes
+  fieldTypeNames: NexusGenFieldTypeNames
  allTypes: NexusGenAllTypes
  inheritedFields: NexusGenInheritedFields
  objectNames: NexusGenObjectNames
--- a/tests/typegenPrinter.spec.ts
+++ b/tests/typegenPrinter.spec.ts
@ -88,7 +88,7 @@ describe('typegenPrinter', () => {
  })

  it('should print a return type map', () => {
-    expect(typegen.printReturnTypeMap()).toMatchSnapshot()
+    expect(typegen.printFieldTypesMap()).toMatchSnapshot()
  })

  it('should print the full output', () => {