TS: switch all imports to type imports (#3118)

src/error/GraphQLError.d.ts

@@ -1,8 +1,8 @@
-import { Maybe } from '../jsutils/Maybe';
+import type { Maybe } from '../jsutils/Maybe';
 
-import { ASTNode } from '../language/ast';
-import { Source } from '../language/source';
-import { SourceLocation } from '../language/location';
+import type { ASTNode } from '../language/ast';
+import type { Source } from '../language/source';
+import type { SourceLocation } from '../language/location';
 
 /**
  * A GraphQLError describes an Error found during the parse, validate, or

src/error/formatError.d.ts

@@ -1,6 +1,6 @@
-import { SourceLocation } from '../language/location';
+import type { SourceLocation } from '../language/location';
 
-import { GraphQLError } from './GraphQLError';
+import type { GraphQLError } from './GraphQLError';
 
 /**
  * Given a GraphQLError, format it according to the rules described by the

src/error/locatedError.d.ts

@@ -1,8 +1,8 @@
-import { Maybe } from '../jsutils/Maybe';
+import type { Maybe } from '../jsutils/Maybe';
 
-import { ASTNode } from '../language/ast';
+import type { ASTNode } from '../language/ast';
 
-import { GraphQLError } from './GraphQLError';
+import type { GraphQLError } from './GraphQLError';
 
 /**
  * Given an arbitrary value, presumably thrown while attempting to execute a

src/error/syntaxError.d.ts

@@ -1,6 +1,6 @@
-import { Source } from '../language/source';
+import type { Source } from '../language/source';
 
-import { GraphQLError } from './GraphQLError';
+import type { GraphQLError } from './GraphQLError';
 
 /**
  * Produces a GraphQLError representing a syntax error, containing useful

src/execution/execute.d.ts

@@ -1,21 +1,21 @@
-import { Maybe } from '../jsutils/Maybe';
-import { ObjMap } from '../jsutils/ObjMap';
+import type { Maybe } from '../jsutils/Maybe';
+import type { ObjMap } from '../jsutils/ObjMap';
 
-import { PromiseOrValue } from '../jsutils/PromiseOrValue';
-import { Path } from '../jsutils/Path';
+import type { PromiseOrValue } from '../jsutils/PromiseOrValue';
+import type { Path } from '../jsutils/Path';
 
-import { GraphQLError } from '../error/GraphQLError';
-import { GraphQLFormattedError } from '../error/formatError';
+import type { GraphQLError } from '../error/GraphQLError';
+import type { GraphQLFormattedError } from '../error/formatError';
 
-import {
+import type {
   DocumentNode,
   OperationDefinitionNode,
   SelectionSetNode,
   FieldNode,
   FragmentDefinitionNode,
 } from '../language/ast';
-import { GraphQLSchema } from '../type/schema';
-import {
+import type { GraphQLSchema } from '../type/schema';
+import type {
   GraphQLField,
   GraphQLFieldResolver,
   GraphQLResolveInfo,

src/execution/values.d.ts

@@ -1,16 +1,16 @@
-import { Maybe } from '../jsutils/Maybe';
-import { ObjMap } from '../jsutils/ObjMap';
+import type { Maybe } from '../jsutils/Maybe';
+import type { ObjMap } from '../jsutils/ObjMap';
 
-import { GraphQLError } from '../error/GraphQLError';
-import {
+import type { GraphQLError } from '../error/GraphQLError';
+import type {
   FieldNode,
   DirectiveNode,
   VariableDefinitionNode,
 } from '../language/ast';
 
-import { GraphQLDirective } from '../type/directives';
-import { GraphQLSchema } from '../type/schema';
-import { GraphQLField } from '../type/definition';
+import type { GraphQLDirective } from '../type/directives';
+import type { GraphQLSchema } from '../type/schema';
+import type { GraphQLField } from '../type/definition';
 
 type CoercedVariableValues =
   | { errors: ReadonlyArray<GraphQLError>; coerced?: never }

src/graphql.d.ts

@@ -1,9 +1,12 @@
-import { Maybe } from './jsutils/Maybe';
+import type { Maybe } from './jsutils/Maybe';
 
-import { Source } from './language/source';
-import { GraphQLSchema } from './type/schema';
-import { GraphQLFieldResolver, GraphQLTypeResolver } from './type/definition';
-import { ExecutionResult } from './execution/execute';
+import type { Source } from './language/source';
+import type { GraphQLSchema } from './type/schema';
+import type {
+  GraphQLFieldResolver,
+  GraphQLTypeResolver,
+} from './type/definition';
+import type { ExecutionResult } from './execution/execute';
 
 /**
  * This is the primary entry point function for fulfilling GraphQL operations

src/language/ast.d.ts

@@ -1,5 +1,5 @@
-import { Source } from './source';
-import { TokenKindEnum } from './tokenKind';
+import type { Source } from './source';
+import type { TokenKindEnum } from './tokenKind';
 
 /**
  * Contains a range of UTF-8 character offsets and token references that

src/language/lexer.d.ts

@@ -1,6 +1,6 @@
-import { Token } from './ast';
-import { Source } from './source';
-import { TokenKindEnum } from './tokenKind';
+import type { Token } from './ast';
+import type { Source } from './source';
+import type { TokenKindEnum } from './tokenKind';
 
 /**
  * Given a Source object, this returns a Lexer for that source.

src/language/location.d.ts

@@ -1,4 +1,4 @@
-import { Source } from './source';
+import type { Source } from './source';
 
 /**
  * Represents a location in a Source.

src/language/parser.d.ts

@@ -1,7 +1,7 @@
-import { Maybe } from '../jsutils/Maybe';
-import { GraphQLError } from '../error/GraphQLError';
+import type { Maybe } from '../jsutils/Maybe';
+import type { GraphQLError } from '../error/GraphQLError';
 
-import {
+import type {
   Token,
   NameNode,
   VariableNode,
@@ -53,9 +53,9 @@ import {
   EnumTypeExtensionNode,
   InputObjectTypeExtensionNode,
 } from './ast';
-import { TokenKindEnum } from './tokenKind';
-import { Source } from './source';
-import { Lexer } from './lexer';
+import type { TokenKindEnum } from './tokenKind';
+import type { Source } from './source';
+import type { Lexer } from './lexer';
 /**
  * Configuration options to control parser behavior
  */

src/language/predicates.d.ts

@@ -1,4 +1,4 @@
-import {
+import type {
   ASTNode,
   DefinitionNode,
   ExecutableDefinitionNode,

src/language/printLocation.d.ts

@@ -1,6 +1,6 @@
-import { Location } from './ast';
-import { Source } from './source';
-import { SourceLocation } from './location';
+import type { Location } from './ast';
+import type { Source } from './source';
+import type { SourceLocation } from './location';
 
 /**
  * Render a helpful description of the location in the GraphQL Source document.

src/language/printer.d.ts

@@ -1,4 +1,4 @@
-import { ASTNode } from './ast';
+import type { ASTNode } from './ast';
 
 /**
  * Converts an AST into a string, using one set of reasonable

src/language/visitor.d.ts

@@ -1,6 +1,6 @@
-import { Maybe } from '../jsutils/Maybe';
+import type { Maybe } from '../jsutils/Maybe';
 
-import { ASTNode, ASTKindToNode } from './ast';
+import type { ASTNode, ASTKindToNode } from './ast';
 
 /**
  * A visitor is provided to visit, it contains the collection of

src/subscription/mapAsyncIterator.d.ts

@@ -1,4 +1,4 @@
-import { PromiseOrValue } from '../jsutils/PromiseOrValue';
+import type { PromiseOrValue } from '../jsutils/PromiseOrValue';
 
 /**
  * Given an AsyncIterable and a callback function, return an AsyncIterator

src/subscription/subscribe.d.ts

@@ -1,9 +1,9 @@
-import { Maybe } from '../jsutils/Maybe';
+import type { Maybe } from '../jsutils/Maybe';
 
-import { DocumentNode } from '../language/ast';
-import { ExecutionResult } from '../execution/execute';
-import { GraphQLSchema } from '../type/schema';
-import { GraphQLFieldResolver } from '../type/definition';
+import type { DocumentNode } from '../language/ast';
+import type { ExecutionResult } from '../execution/execute';
+import type { GraphQLSchema } from '../type/schema';
+import type { GraphQLFieldResolver } from '../type/definition';
 
 export interface SubscriptionArgs {
   schema: GraphQLSchema;

src/type/definition.d.ts

@@ -1,13 +1,10 @@
-// FIXME
-/* eslint-disable import/no-cycle */
+import type { Maybe } from '../jsutils/Maybe';
 
-import { Maybe } from '../jsutils/Maybe';
+import type { PromiseOrValue } from '../jsutils/PromiseOrValue';
+import type { Path } from '../jsutils/Path';
+import type { ObjMap } from '../jsutils/ObjMap';
 
-import { PromiseOrValue } from '../jsutils/PromiseOrValue';
-import { Path } from '../jsutils/Path';
-import { ObjMap } from '../jsutils/ObjMap';
-
-import {
+import type {
   ScalarTypeDefinitionNode,
   ObjectTypeDefinitionNode,
   FieldDefinitionNode,
@@ -29,7 +26,7 @@ import {
   InputObjectTypeExtensionNode,
 } from '../language/ast';
 
-import { GraphQLSchema } from './schema';
+import type { GraphQLSchema } from './schema';
 
 /**
  * These are all of the possible kinds of types.

src/type/directives.d.ts

@@ -1,12 +1,12 @@
-// FIXME
-/* eslint-disable import/no-cycle */
+import type { Maybe } from '../jsutils/Maybe';
 
-import { Maybe } from '../jsutils/Maybe';
+import type { DirectiveDefinitionNode } from '../language/ast';
+import type { DirectiveLocationEnum } from '../language/directiveLocation';
 
-import { DirectiveDefinitionNode } from '../language/ast';
-import { DirectiveLocationEnum } from '../language/directiveLocation';
-
-import { GraphQLFieldConfigArgumentMap, GraphQLArgument } from './definition';
+import type {
+  GraphQLFieldConfigArgumentMap,
+  GraphQLArgument,
+} from './definition';
 
 /**
  * Test if the given value is a GraphQL directive.

src/type/introspection.d.ts

@@ -1,4 +1,4 @@
-import {
+import type {
   GraphQLObjectType,
   GraphQLField,
   GraphQLEnumType,

src/type/scalars.d.ts

@@ -1,4 +1,4 @@
-import { GraphQLScalarType, GraphQLNamedType } from './definition';
+import type { GraphQLScalarType, GraphQLNamedType } from './definition';
 
 export const GraphQLInt: GraphQLScalarType;
 export const GraphQLFloat: GraphQLScalarType;

src/type/schema.d.ts

@@ -1,13 +1,13 @@
-// FIXME
-/* eslint-disable import/no-cycle */
+import type { Maybe } from '../jsutils/Maybe';
+import type { ObjMap } from '../jsutils/ObjMap';
 
-import { Maybe } from '../jsutils/Maybe';
-import { ObjMap } from '../jsutils/ObjMap';
+import type {
+  SchemaDefinitionNode,
+  SchemaExtensionNode,
+} from '../language/ast';
 
-import { SchemaDefinitionNode, SchemaExtensionNode } from '../language/ast';
-
-import { GraphQLDirective } from './directives';
-import {
+import type { GraphQLDirective } from './directives';
+import type {
   GraphQLNamedType,
   GraphQLAbstractType,
   GraphQLObjectType,

src/type/validate.d.ts

@@ -1,6 +1,6 @@
-import { GraphQLError } from '../error/GraphQLError';
+import type { GraphQLError } from '../error/GraphQLError';
 
-import { GraphQLSchema } from './schema';
+import type { GraphQLSchema } from './schema';
 
 /**
  * Implements the "Type Validation" sub-sections of the specification's

src/utilities/TypeInfo.d.ts

@@ -1,10 +1,10 @@
-import { Maybe } from '../jsutils/Maybe';
+import type { Maybe } from '../jsutils/Maybe';
 
-import { ASTVisitor } from '../language/visitor';
-import { ASTNode, FieldNode } from '../language/ast';
-import { GraphQLSchema } from '../type/schema';
-import { GraphQLDirective } from '../type/directives';
-import {
+import type { ASTVisitor } from '../language/visitor';
+import type { ASTNode, FieldNode } from '../language/ast';
+import type { GraphQLSchema } from '../type/schema';
+import type { GraphQLDirective } from '../type/directives';
+import type {
   GraphQLType,
   GraphQLInputType,
   GraphQLOutputType,

src/utilities/assertValidName.d.ts

@@ -1,4 +1,4 @@
-import { GraphQLError } from '../error/GraphQLError';
+import type { GraphQLError } from '../error/GraphQLError';
 
 /**
  * Upholds the spec rules about naming.

src/utilities/astFromValue.d.ts

@@ -1,7 +1,7 @@
-import { Maybe } from '../jsutils/Maybe';
+import type { Maybe } from '../jsutils/Maybe';
 
-import { ValueNode } from '../language/ast';
-import { GraphQLInputType } from '../type/definition';
+import type { ValueNode } from '../language/ast';
+import type { GraphQLInputType } from '../type/definition';
 
 /**
  * Produces a GraphQL Value AST given a JavaScript value.

src/utilities/buildASTSchema.d.ts

@@ -1,7 +1,10 @@
-import { DocumentNode } from '../language/ast';
-import { Source } from '../language/source';
-import { GraphQLSchema, GraphQLSchemaValidationOptions } from '../type/schema';
-import { ParseOptions } from '../language/parser';
+import type { DocumentNode } from '../language/ast';
+import type { Source } from '../language/source';
+import type {
+  GraphQLSchema,
+  GraphQLSchemaValidationOptions,
+} from '../type/schema';
+import type { ParseOptions } from '../language/parser';
 
 export interface BuildSchemaOptions extends GraphQLSchemaValidationOptions {
   /**

src/utilities/buildClientSchema.d.ts

@@ -1,6 +1,9 @@
-import { GraphQLSchema, GraphQLSchemaValidationOptions } from '../type/schema';
+import type {
+  GraphQLSchema,
+  GraphQLSchemaValidationOptions,
+} from '../type/schema';
 
-import { IntrospectionQuery } from './getIntrospectionQuery';
+import type { IntrospectionQuery } from './getIntrospectionQuery';
 
 /**
  * Build a GraphQLSchema for use by client tools.

src/utilities/coerceInputValue.d.ts

@@ -1,5 +1,5 @@
-import { GraphQLInputType } from '../type/definition';
-import { GraphQLError } from '../error/GraphQLError';
+import type { GraphQLInputType } from '../type/definition';
+import type { GraphQLError } from '../error/GraphQLError';
 
 type OnErrorCB = (
   path: ReadonlyArray<string | number>,

src/utilities/concatAST.d.ts

@@ -1,4 +1,4 @@
-import { DocumentNode } from '../language/ast';
+import type { DocumentNode } from '../language/ast';
 
 /**
  * Provided a collection of ASTs, presumably each from different files,

src/utilities/extendSchema.d.ts

@@ -1,5 +1,5 @@
-import { DocumentNode } from '../language/ast';
-import {
+import type { DocumentNode } from '../language/ast';
+import type {
   GraphQLSchemaValidationOptions,
   GraphQLSchema,
   GraphQLSchemaNormalizedConfig,

src/utilities/findBreakingChanges.d.ts

@@ -1,4 +1,4 @@
-import { GraphQLSchema } from '../type/schema';
+import type { GraphQLSchema } from '../type/schema';
 
 export const BreakingChangeType: {
   TYPE_REMOVED: 'TYPE_REMOVED';