Remove deprecate printError/formatError methods

src/error/GraphQLError.ts

@@ -237,23 +237,3 @@ export interface GraphQLFormattedError {
    */
   readonly extensions?: { [key: string]: unknown };
 }
-
-/**
- * Prints a GraphQLError to a string, representing useful location information
- * about the error's position in the source.
- *
- * @deprecated Please use `error.toString` instead. Will be removed in v17
- */
-export function printError(error: GraphQLError): string {
-  return error.toString();
-}
-
-/**
- * Given a GraphQLError, format it according to the rules described by the
- * Response Format, Errors section of the GraphQL Specification.
- *
- * @deprecated Please use `error.toJSON` instead. Will be removed in v17
- */
-export function formatError(error: GraphQLError): GraphQLFormattedError {
-  return error.toJSON();
-}

src/error/__tests__/GraphQLError-test.ts

@@ -9,7 +9,7 @@ import { Kind } from '../../language/kinds';
 import { parse } from '../../language/parser';
 import { Source } from '../../language/source';
 
-import { formatError, GraphQLError, printError } from '../GraphQLError';
+import { GraphQLError } from '../GraphQLError';
 
 const source = new Source(dedent`
   {
@@ -223,11 +223,6 @@ describe('GraphQLError', () => {
 });
 
 describe('toString', () => {
-  it('Deprecated: prints an error using printError', () => {
-    const error = new GraphQLError('Error');
-    expect(printError(error)).to.equal('Error');
-  });
-
   it('prints an error without location', () => {
     const error = new GraphQLError('Error without location');
     expect(error.toString()).to.equal('Error without location');
@@ -294,13 +289,6 @@ describe('toString', () => {
 });
 
 describe('toJSON', () => {
-  it('Deprecated: format an error using formatError', () => {
-    const error = new GraphQLError('Example Error');
-    expect(formatError(error)).to.deep.equal({
-      message: 'Example Error',
-    });
-  });
-
   it('includes path', () => {
     const error = new GraphQLError('msg', { path: ['path', 3, 'to', 'field'] });
 

src/error/index.ts

@@ -1,4 +1,4 @@
-export { GraphQLError, printError, formatError } from './GraphQLError';
+export { GraphQLError } from './GraphQLError';
 export type {
   GraphQLErrorOptions,
   GraphQLFormattedError,

src/index.ts

@@ -377,13 +377,7 @@ export {
 export type { ValidationRule } from './validation/index';
 
 // Create, format, and print GraphQL errors.
-export {
-  GraphQLError,
-  syntaxError,
-  locatedError,
-  printError,
-  formatError,
-} from './error/index';
+export { GraphQLError, syntaxError, locatedError } from './error/index';
 
 export type {
   GraphQLErrorOptions,