strip %checks annotations (flow)

src/jsutils/instanceOf.ts

@@ -5,14 +5,13 @@
 declare function instanceOf(
   value: unknown,
   constructor: unknown,
-): boolean %checks(value instanceof constructor);
-
+): boolean;
 // See: https://expressjs.com/en/advanced/best-practice-performance.html#set-node_env-to-production
 // See: https://webpack.js.org/guides/production/
 export default process.env.NODE_ENV === 'production'
   ? // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')
     // eslint-disable-next-line no-shadow
-    function instanceOf(value: unknown, constructor: unknown): boolean {
+    function instanceOf(value: unknown, constructor: unknown): boolean {  // FIXME: TS_CONVERTION %check 
       return value instanceof constructor;
     }
   : // eslint-disable-next-line no-shadow

src/jsutils/isAsyncIterable.ts

@@ -2,8 +2,7 @@
  * Returns true if the provided object implements the AsyncIterator protocol via
  * either implementing a `Symbol.asyncIterator` or `"@@asyncIterator"` method.
  */
-declare function isAsyncIterable(value: unknown): boolean %checks(value instanceof
-  AsyncIterable);
+declare function isAsyncIterable(value: unknown): boolean; // FIXME: TS_CONVERTION %check 
 
 // eslint-disable-next-line no-redeclare
 export default function isAsyncIterable(maybeAsyncIterable) {

src/jsutils/isCollection.ts

@@ -19,8 +19,7 @@
  *   An Object value which might implement the Iterable or Array-like protocols.
  * @return {boolean} true if Iterable or Array-like Object.
  */
-declare function isCollection(value: unknown): boolean %checks(value instanceof
-  Iterable);
+declare function isCollection(value: unknown): boolean;  // FIXME: TS_CONVERTION %check 
 
 // eslint-disable-next-line no-redeclare
 export default function isCollection(obj) {

src/jsutils/isObjectLike.ts

@@ -2,6 +2,6 @@
  * Return true if `value` is object-like. A value is object-like if it's not
  * `null` and has a `typeof` result of "object".
  */
-export default function isObjectLike(value: unknown): boolean %checks {
+export default function isObjectLike(value: unknown): boolean {  // FIXME: TS_CONVERTION %check
   return typeof value == 'object' && value !== null;
 }

src/jsutils/isPromise.ts

@@ -2,8 +2,7 @@
  * Returns true if the value acts like a Promise, i.e. has a "then" function,
  * otherwise returns false.
  */
-declare function isPromise(value: unknown): boolean %checks(value instanceof
-  Promise);
+declare function isPromise(value: unknown): boolean;  // FIXME: TS_CONVERTION %check
 
 // eslint-disable-next-line no-redeclare
 export default function isPromise(value) {

src/language/ast.ts

@@ -136,7 +136,7 @@ export class Token {
 /**
  * @internal
  */
-export function isNode(maybeNode: unknown): boolean %checks {
+export function isNode(maybeNode: unknown): boolean {  // FIXME: TS_CONVERTION %check
   return maybeNode != null && typeof maybeNode.kind === 'string';
 }
 

src/language/lexer.ts

@@ -75,7 +75,7 @@ export class Lexer {
 /**
  * @internal
  */
-export function isPunctuatorTokenKind(kind: TokenKindEnum): boolean %checks {
+export function isPunctuatorTokenKind(kind: TokenKindEnum): boolean {
   return (
     kind === TokenKind.BANG ||
     kind === TokenKind.DOLLAR ||

src/language/predicates.ts

@@ -1,30 +1,30 @@
 import type { ASTNode } from './ast';
 import { Kind } from './kinds';
 
-export function isDefinitionNode(node: ASTNode): boolean %checks {
+export function isDefinitionNode(node: ASTNode): boolean {
   return (
     isExecutableDefinitionNode(node) ||
     isTypeSystemDefinitionNode(node) ||
     isTypeSystemExtensionNode(node)
   );
 }
 
-export function isExecutableDefinitionNode(node: ASTNode): boolean %checks {
+export function isExecutableDefinitionNode(node: ASTNode): boolean {
   return (
     node.kind === Kind.OPERATION_DEFINITION ||
     node.kind === Kind.FRAGMENT_DEFINITION
   );
 }
 
-export function isSelectionNode(node: ASTNode): boolean %checks {
+export function isSelectionNode(node: ASTNode): boolean {
   return (
     node.kind === Kind.FIELD ||
     node.kind === Kind.FRAGMENT_SPREAD ||
     node.kind === Kind.INLINE_FRAGMENT
   );
 }
 
-export function isValueNode(node: ASTNode): boolean %checks {
+export function isValueNode(node: ASTNode): boolean {
   return (
     node.kind === Kind.VARIABLE ||
     node.kind === Kind.INT ||
@@ -38,23 +38,23 @@ export function isValueNode(node: ASTNode): boolean %checks {
   );
 }
 
-export function isTypeNode(node: ASTNode): boolean %checks {
+export function isTypeNode(node: ASTNode): boolean {
   return (
     node.kind === Kind.NAMED_TYPE ||
     node.kind === Kind.LIST_TYPE ||
     node.kind === Kind.NON_NULL_TYPE
   );
 }
 
-export function isTypeSystemDefinitionNode(node: ASTNode): boolean %checks {
+export function isTypeSystemDefinitionNode(node: ASTNode): boolean {
   return (
     node.kind === Kind.SCHEMA_DEFINITION ||
     isTypeDefinitionNode(node) ||
     node.kind === Kind.DIRECTIVE_DEFINITION
   );
 }
 
-export function isTypeDefinitionNode(node: ASTNode): boolean %checks {
+export function isTypeDefinitionNode(node: ASTNode): boolean {
   return (
     node.kind === Kind.SCALAR_TYPE_DEFINITION ||
     node.kind === Kind.OBJECT_TYPE_DEFINITION ||
@@ -65,11 +65,11 @@ export function isTypeDefinitionNode(node: ASTNode): boolean %checks {
   );
 }
 
-export function isTypeSystemExtensionNode(node: ASTNode): boolean %checks {
+export function isTypeSystemExtensionNode(node: ASTNode): boolean {
   return node.kind === Kind.SCHEMA_EXTENSION || isTypeExtensionNode(node);
 }
 
-export function isTypeExtensionNode(node: ASTNode): boolean %checks {
+export function isTypeExtensionNode(node: ASTNode): boolean {
   return (
     node.kind === Kind.SCALAR_TYPE_EXTENSION ||
     node.kind === Kind.OBJECT_TYPE_EXTENSION ||

src/language/source.ts

@@ -53,8 +53,7 @@ export class Source {
  *
  * @internal
  */
-declare function isSource(source: unknown): boolean %checks(source instanceof
-  Source);
+declare function isSource(source: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isSource(source) {
   return instanceOf(source, Source);

src/type/definition.ts

@@ -65,7 +65,7 @@ export type GraphQLType =
   | GraphQLList<any>
   | GraphQLNonNull<any>;
 
-export function isType(type: unknown): boolean %checks {
+export function isType(type: unknown): boolean {
   return (
     isScalarType(type) ||
     isObjectType(type) ||
@@ -89,8 +89,7 @@ export function assertType(type: unknown): GraphQLType {
  * There are predicates for each kind of GraphQL type.
  */
 
-declare function isScalarType(type: unknown): boolean %checks(type instanceof
-  GraphQLScalarType);
+declare function isScalarType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isScalarType(type) {
   return instanceOf(type, GraphQLScalarType);
@@ -103,8 +102,7 @@ export function assertScalarType(type: unknown): GraphQLScalarType {
   return type;
 }
 
-declare function isObjectType(type: unknown): boolean %checks(type instanceof
-  GraphQLObjectType);
+declare function isObjectType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isObjectType(type) {
   return instanceOf(type, GraphQLObjectType);
@@ -117,8 +115,7 @@ export function assertObjectType(type: unknown): GraphQLObjectType {
   return type;
 }
 
-declare function isInterfaceType(type: unknown): boolean %checks(type instanceof
-  GraphQLInterfaceType);
+declare function isInterfaceType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isInterfaceType(type) {
   return instanceOf(type, GraphQLInterfaceType);
@@ -133,8 +130,7 @@ export function assertInterfaceType(type: unknown): GraphQLInterfaceType {
   return type;
 }
 
-declare function isUnionType(type: unknown): boolean %checks(type instanceof
-  GraphQLUnionType);
+declare function isUnionType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isUnionType(type) {
   return instanceOf(type, GraphQLUnionType);
@@ -147,8 +143,7 @@ export function assertUnionType(type: unknown): GraphQLUnionType {
   return type;
 }
 
-declare function isEnumType(type: unknown): boolean %checks(type instanceof
-  GraphQLEnumType);
+declare function isEnumType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isEnumType(type) {
   return instanceOf(type, GraphQLEnumType);
@@ -161,8 +156,7 @@ export function assertEnumType(type: unknown): GraphQLEnumType {
   return type;
 }
 
-declare function isInputObjectType(type: unknown): boolean %checks(type instanceof
-  GraphQLInputObjectType);
+declare function isInputObjectType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isInputObjectType(type) {
   return instanceOf(type, GraphQLInputObjectType);
@@ -177,8 +171,7 @@ export function assertInputObjectType(type: unknown): GraphQLInputObjectType {
   return type;
 }
 
-declare function isListType(type: unknown): boolean %checks(type instanceof
-  GraphQLList);
+declare function isListType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isListType(type) {
   return instanceOf(type, GraphQLList);
@@ -191,8 +184,7 @@ export function assertListType(type: unknown): GraphQLList<any> {
   return type;
 }
 
-declare function isNonNullType(type: unknown): boolean %checks(type instanceof
-  GraphQLNonNull);
+declare function isNonNullType(type: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isNonNullType(type) {
   return instanceOf(type, GraphQLNonNull);
@@ -220,7 +212,7 @@ export type GraphQLInputType =
       | GraphQLList<GraphQLInputType>,
     >;
 
-export function isInputType(type: unknown): boolean %checks {
+export function isInputType(type: unknown): boolean  {
   return (
     isScalarType(type) ||
     isEnumType(type) ||
@@ -255,7 +247,7 @@ export type GraphQLOutputType =
       | GraphQLList<GraphQLOutputType>,
     >;
 
-export function isOutputType(type: unknown): boolean %checks {
+export function isOutputType(type: unknown): boolean  {
   return (
     isScalarType(type) ||
     isObjectType(type) ||
@@ -278,7 +270,7 @@ export function assertOutputType(type: unknown): GraphQLOutputType {
  */
 export type GraphQLLeafType = GraphQLScalarType | GraphQLEnumType;
 
-export function isLeafType(type: unknown): boolean %checks {
+export function isLeafType(type: unknown): boolean  {
   return isScalarType(type) || isEnumType(type);
 }
 
@@ -297,7 +289,7 @@ export type GraphQLCompositeType =
   | GraphQLInterfaceType
   | GraphQLUnionType;
 
-export function isCompositeType(type: unknown): boolean %checks {
+export function isCompositeType(type: unknown): boolean {
   return isObjectType(type) || isInterfaceType(type) || isUnionType(type);
 }
 
@@ -315,7 +307,7 @@ export function assertCompositeType(type: unknown): GraphQLCompositeType {
  */
 export type GraphQLAbstractType = GraphQLInterfaceType | GraphQLUnionType;
 
-export function isAbstractType(type: unknown): boolean %checks {
+export function isAbstractType(type: unknown): boolean {
   return isInterfaceType(type) || isUnionType(type);
 }
 
@@ -422,7 +414,7 @@ export class GraphQLNonNull<T extends GraphQLNullableType> {
 
 export type GraphQLWrappingType = GraphQLList<any> | GraphQLNonNull<any>;
 
-export function isWrappingType(type: unknown): boolean %checks {
+export function isWrappingType(type: unknown): boolean {
   return isListType(type) || isNonNullType(type);
 }
 
@@ -445,7 +437,7 @@ export type GraphQLNullableType =
   | GraphQLInputObjectType
   | GraphQLList<any>;
 
-export function isNullableType(type: unknown): boolean %checks {
+export function isNullableType(type: unknown): boolean {
   return isType(type) && !isNonNullType(type);
 }
 
@@ -478,7 +470,7 @@ export type GraphQLNamedType =
   | GraphQLEnumType
   | GraphQLInputObjectType;
 
-export function isNamedType(type: unknown): boolean %checks {
+export function isNamedType(type: unknown): boolean {
   return (
     isScalarType(type) ||
     isObjectType(type) ||
@@ -986,7 +978,7 @@ export type GraphQLArgument = {
   astNode: Maybe<InputValueDefinitionNode>,
 };
 
-export function isRequiredArgument(arg: GraphQLArgument): boolean %checks {
+export function isRequiredArgument(arg: GraphQLArgument): boolean {
   return isNonNullType(arg.type) && arg.defaultValue === undefined;
 }
 
@@ -1573,7 +1565,7 @@ export type GraphQLInputField = {
 
 export function isRequiredInputField(
   field: GraphQLInputField,
-): boolean %checks {
+): boolean {
   return isNonNullType(field.type) && field.defaultValue === undefined;
 }
 

src/type/directives.ts

@@ -24,7 +24,7 @@ import { Maybe } from '../jsutils/Maybe';
  */
 declare function isDirective(
   directive: unknown,
-): boolean %checks(directive instanceof GraphQLDirective);
+): boolean;
 // eslint-disable-next-line no-redeclare
 export function isDirective(directive) {
   return instanceOf(directive, GraphQLDirective);
@@ -218,6 +218,6 @@ export const specifiedDirectives = Object.freeze([
 
 export function isSpecifiedDirective(
   directive: GraphQLDirective,
-): boolean %checks {
+): boolean {
   return specifiedDirectives.some(({ name }) => name === directive.name);
 }

src/type/introspection.ts

@@ -541,6 +541,6 @@ export const introspectionTypes = Object.freeze([
   __TypeKind,
 ]);
 
-export function isIntrospectionType(type: GraphQLNamedType): boolean %checks {
+export function isIntrospectionType(type: GraphQLNamedType): boolean { // FIXME: TS_CONVERTION %check
   return introspectionTypes.some(({ name }) => type.name === name);
 }

src/type/scalars.ts

@@ -278,6 +278,6 @@ export const specifiedScalarTypes = Object.freeze([
   GraphQLID,
 ]);
 
-export function isSpecifiedScalarType(type: GraphQLNamedType): boolean %checks {
+export function isSpecifiedScalarType(type: GraphQLNamedType): boolean {
   return specifiedScalarTypes.some(({ name }) => type.name === name);
 }

src/type/schema.ts

@@ -43,8 +43,7 @@ import { Maybe } from '../jsutils/Maybe';
 /**
  * Test if the given value is a GraphQL schema.
  */
-declare function isSchema(schema: unknown): boolean %checks(schema instanceof
-  GraphQLSchema);
+declare function isSchema(schema: unknown): boolean;
 // eslint-disable-next-line no-redeclare
 export function isSchema(schema) {
   return instanceOf(schema, GraphQLSchema);