Export flow types from index.js

This adds all flow types exported from individual files to relevant index.js files as well.

This enables those using graphql.js with flow to write something like:

```js
import type { ... } from 'graphql'
```

Author: leebyron

src/error/index.js

@@ -12,3 +12,8 @@ export { GraphQLError } from './GraphQLError';
 export { syntaxError } from './syntaxError';
 export { locatedError } from './locatedError';
 export { formatError } from './formatError';
+
+export type {
+  GraphQLFormattedError,
+  GraphQLErrorLocation
+} from './formatError';

src/execution/execute.js

@@ -31,7 +31,7 @@ import type {
   GraphQLType,
   GraphQLLeafType,
   GraphQLAbstractType,
-  GraphQLFieldDefinition,
+  GraphQLField,
   GraphQLFieldResolveFn,
   GraphQLResolveInfo,
 } from '../type/definition';
@@ -605,7 +605,7 @@ function resolveField(
 // function. Returns the result of resolveFn or the abrupt-return Error object.
 function resolveOrError(
   exeContext: ExecutionContext,
-  fieldDef: GraphQLFieldDefinition,
+  fieldDef: GraphQLField,
   fieldAST: Field,
   resolveFn: GraphQLFieldResolveFn<*>,
   source: mixed,
@@ -1051,7 +1051,7 @@ function getFieldDef(
   schema: GraphQLSchema,
   parentType: GraphQLObjectType,
   fieldName: string
-): ?GraphQLFieldDefinition {
+): ?GraphQLField {
   if (fieldName === SchemaMetaFieldDef.name &&
       schema.getQueryType() === parentType) {
     return SchemaMetaFieldDef;

src/execution/index.js

@@ -8,3 +8,5 @@
  */
 
 export { execute } from './execute';
+
+export type { ExecutionResult } from './execute';

src/execution/values.js

@@ -31,7 +31,7 @@ import {
 } from '../type/definition';
 import type {
   GraphQLInputType,
-  GraphQLFieldDefinition
+  GraphQLField
 } from '../type/definition';
 import type { GraphQLDirective } from '../type/directives';
 import type { GraphQLSchema } from '../type/schema';
@@ -104,7 +104,7 @@ export function getVariableValues(
  * definitions and list of argument AST nodes.
  */
 export function getArgumentValues(
-  def: GraphQLFieldDefinition | GraphQLDirective,
+  def: GraphQLField | GraphQLDirective,
   node: Field | Directive,
   variableValues?: ?{ [key: string]: mixed }
 ): { [key: string]: mixed } {

src/index.js

@@ -103,6 +103,45 @@ export {
   getNamedType,
 } from './type';
 
+export type {
+  DirectiveLocationEnum,
+
+  GraphQLType,
+  GraphQLInputType,
+  GraphQLOutputType,
+  GraphQLLeafType,
+  GraphQLCompositeType,
+  GraphQLAbstractType,
+  GraphQLNullableType,
+  GraphQLNamedType,
+
+  Thunk,
+  GraphQLArgument,
+  GraphQLArgumentConfig,
+  GraphQLEnumTypeConfig,
+  GraphQLEnumValue,
+  GraphQLEnumValueConfig,
+  GraphQLEnumValueConfigMap,
+  GraphQLField,
+  GraphQLFieldConfig,
+  GraphQLFieldConfigArgumentMap,
+  GraphQLFieldConfigMap,
+  GraphQLFieldMap,
+  GraphQLFieldResolveFn,
+  GraphQLInputField,
+  GraphQLInputFieldConfig,
+  GraphQLInputFieldConfigMap,
+  GraphQLInputFieldMap,
+  GraphQLInputObjectTypeConfig,
+  GraphQLInterfaceTypeConfig,
+  GraphQLIsTypeOfFn,
+  GraphQLObjectTypeConfig,
+  GraphQLResolveInfo,
+  GraphQLScalarTypeConfig,
+  GraphQLTypeResolveFn,
+  GraphQLUnionTypeConfig,
+} from './type';
+
 
 // Parse and operate on GraphQL language source files.
 export {
@@ -126,12 +165,70 @@ export {
   BREAK,
 } from './language';
 
+export type {
+  Lexer,
+  ParseOptions,
+
+  // AST nodes
+  Location,
+  Token,
+  Node,
+  Name,
+  Document,
+  Definition,
+  OperationDefinition,
+  OperationType,
+  VariableDefinition,
+  Variable,
+  SelectionSet,
+  Selection,
+  Field,
+  Argument,
+  FragmentSpread,
+  InlineFragment,
+  FragmentDefinition,
+  Value,
+  IntValue,
+  FloatValue,
+  StringValue,
+  BooleanValue,
+  NullValue,
+  EnumValue,
+  ListValue,
+  ObjectValue,
+  ObjectField,
+  Directive,
+  Type,
+  NamedType,
+  ListType,
+  NonNullType,
+  TypeSystemDefinition,
+  SchemaDefinition,
+  OperationTypeDefinition,
+  TypeDefinition,
+  ScalarTypeDefinition,
+  ObjectTypeDefinition,
+  FieldDefinition,
+  InputValueDefinition,
+  InterfaceTypeDefinition,
+  UnionTypeDefinition,
+  EnumTypeDefinition,
+  EnumValueDefinition,
+  InputObjectTypeDefinition,
+  TypeExtensionDefinition,
+  DirectiveDefinition,
+} from './language';
+
 
 // Execute GraphQL queries.
 export {
   execute,
 } from './execution';
 
+export type {
+  ExecutionResult,
+} from './execute';
+
 
 // Validate GraphQL queries.
 export {
@@ -146,6 +243,11 @@ export {
   formatError,
 } from './error';
 
+export type {
+  GraphQLFormattedError,
+  GraphQLErrorLocation,
+} from './error';
+
 
 // Utilities for operating on GraphQL type schema and parsed sources.
 export {
@@ -207,3 +309,25 @@ export {
   // Compares two GraphQLSchemas and detects breaking changes.
   findBreakingChanges,
 } from './utilities';
+
+export type {
+  BreakingChange,
+
+  IntrospectionDirective,
+  IntrospectionEnumType,
+  IntrospectionEnumValue,
+  IntrospectionField,
+  IntrospectionInputObjectType,
+  IntrospectionInputValue,
+  IntrospectionInterfaceType,
+  IntrospectionListTypeRef,
+  IntrospectionNamedTypeRef,
+  IntrospectionNonNullTypeRef,
+  IntrospectionObjectType,
+  IntrospectionQuery,
+  IntrospectionScalarType,
+  IntrospectionSchema,
+  IntrospectionType,
+  IntrospectionTypeRef,
+  IntrospectionUnionType,
+} from './introspectionQuery';

src/language/index.js

@@ -16,3 +16,56 @@ export { parse, parseValue, parseType } from './parser';
 export { print } from './printer';
 export { Source } from './source';
 export { visit, visitInParallel, visitWithTypeInfo, BREAK } from './visitor';
+
+export type { Lexer } from './lexer';
+export type { ParseOptions } from './parser';
+
+export type {
+  Location,
+  Token,
+  Node,
+  Name,
+  Document,
+  Definition,
+  OperationDefinition,
+  OperationType,
+  VariableDefinition,
+  Variable,
+  SelectionSet,
+  Selection,
+  Field,
+  Argument,
+  FragmentSpread,
+  InlineFragment,
+  FragmentDefinition,
+  Value,
+  IntValue,
+  FloatValue,
+  StringValue,
+  BooleanValue,
+  NullValue,
+  EnumValue,
+  ListValue,
+  ObjectValue,
+  ObjectField,
+  Directive,
+  Type,
+  NamedType,
+  ListType,
+  NonNullType,
+  TypeSystemDefinition,
+  SchemaDefinition,
+  OperationTypeDefinition,
+  TypeDefinition,
+  ScalarTypeDefinition,
+  ObjectTypeDefinition,
+  FieldDefinition,
+  InputValueDefinition,
+  InterfaceTypeDefinition,
+  UnionTypeDefinition,
+  EnumTypeDefinition,
+  EnumValueDefinition,
+  InputObjectTypeDefinition,
+  TypeExtensionDefinition,
+  DirectiveDefinition,
+} from './ast';