Remove support for positional args in graphql/execute/subscribe func

src/__tests__/starWarsQuery-test.js

@@ -1,7 +1,7 @@
 import { expect } from 'chai';
 import { describe, it } from 'mocha';
 
-import { graphql, graphqlSync } from '../graphql';
+import { graphql } from '../graphql';
 
 import { StarWarsSchema as schema } from './starWarsSchema';
 
@@ -26,28 +26,6 @@ describe('Star Wars Query Tests', () => {
       });
     });
 
-    it('Accepts positional arguments to graphql()', async () => {
-      const source = `
-        query HeroNameQuery {
-          hero {
-            name
-          }
-        }
-      `;
-
-      const result = await graphql(schema, source);
-      expect(result).to.deep.equal({
-        data: {
-          hero: {
-            name: 'R2-D2',
-          },
-        },
-      });
-
-      const syncResult = graphqlSync(schema, source);
-      expect(syncResult).to.deep.equal(result);
-    });
-
     it('Allows us to query for the ID and friends of R2-D2', async () => {
       const source = `
         query HeroNameAndFriendsQuery {

src/execution/__tests__/executor-test.js

@@ -69,30 +69,6 @@ describe('Execute: Handles basic execution tasks', () => {
     );
   });
 
-  it('accepts positional arguments', () => {
-    const schema = new GraphQLSchema({
-      query: new GraphQLObjectType({
-        name: 'Type',
-        fields: {
-          a: {
-            type: GraphQLString,
-            resolve(rootValue) {
-              return rootValue;
-            },
-          },
-        },
-      }),
-    });
-
-    const document = parse('{ a }');
-    const rootValue = 'rootValue';
-    const result = execute(schema, document, rootValue);
-
-    expect(result).to.deep.equal({
-      data: { a: 'rootValue' },
-    });
-  });
-
   it('executes arbitrary code', async () => {
     const data = {
       a: () => 'Apple',

src/execution/execute.js

@@ -146,67 +146,8 @@ export type ExecutionArgs = {|
  *
  * If the arguments to this function do not result in a legal execution context,
  * a GraphQLError will be thrown immediately explaining the invalid input.
- *
- * Accepts either an object with named arguments, or individual arguments.
- */
-declare function execute(
-  ExecutionArgs,
-  ..._: []
-): PromiseOrValue<ExecutionResult>;
-/* eslint-disable no-redeclare */
-declare function execute(
-  schema: GraphQLSchema,
-  document: DocumentNode,
-  rootValue?: mixed,
-  contextValue?: mixed,
-  variableValues?: ?{ +[variable: string]: mixed, ... },
-  operationName?: ?string,
-  fieldResolver?: ?GraphQLFieldResolver<any, any>,
-  typeResolver?: ?GraphQLTypeResolver<any, any>,
-): PromiseOrValue<ExecutionResult>;
-export function execute(
-  argsOrSchema,
-  document,
-  rootValue,
-  contextValue,
-  variableValues,
-  operationName,
-  fieldResolver,
-  typeResolver,
-) {
-  /* eslint-enable no-redeclare */
-  // Extract arguments from object args if provided.
-  return arguments.length === 1
-    ? executeImpl(argsOrSchema)
-    : executeImpl({
-        schema: argsOrSchema,
-        document,
-        rootValue,
-        contextValue,
-        variableValues,
-        operationName,
-        fieldResolver,
-        typeResolver,
-      });
-}
-
-/**
- * Also implements the "Evaluating requests" section of the GraphQL specification.
- * However, it guarantees to complete synchronously (or throw an error) assuming
- * that all field resolvers are also synchronous.
  */
-export function executeSync(args: ExecutionArgs): ExecutionResult {
-  const result = executeImpl(args);
-
-  // Assert that the execution was synchronous.
-  if (isPromise(result)) {
-    throw new Error('GraphQL execution failed to complete synchronously.');
-  }
-
-  return result;
-}
-
-function executeImpl(args: ExecutionArgs): PromiseOrValue<ExecutionResult> {
+export function execute(args: ExecutionArgs): PromiseOrValue<ExecutionResult> {
   const {
     schema,
     document,
@@ -250,6 +191,22 @@ function executeImpl(args: ExecutionArgs): PromiseOrValue<ExecutionResult> {
   return buildResponse(exeContext, data);
 }
 
+/**
+ * Also implements the "Evaluating requests" section of the GraphQL specification.
+ * However, it guarantees to complete synchronously (or throw an error) assuming
+ * that all field resolvers are also synchronous.
+ */
+export function executeSync(args: ExecutionArgs): ExecutionResult {
+  const result = execute(args);
+
+  // Assert that the execution was synchronous.
+  if (isPromise(result)) {
+    throw new Error('GraphQL execution failed to complete synchronously.');
+  }
+
+  return result;
+}
+
 /**
  * Given a completed execution context and data, build the { errors, data }
  * response defined by the "Response" section of the GraphQL specification.

src/graphql.js

@@ -65,47 +65,10 @@ export type GraphQLArgs = {|
   fieldResolver?: ?GraphQLFieldResolver<any, any>,
   typeResolver?: ?GraphQLTypeResolver<any, any>,
 |};
-declare function graphql(GraphQLArgs, ..._: []): Promise<ExecutionResult>;
-/* eslint-disable no-redeclare */
-declare function graphql(
-  schema: GraphQLSchema,
-  source: Source | string,
-  rootValue?: mixed,
-  contextValue?: mixed,
-  variableValues?: ?{ +[variable: string]: mixed, ... },
-  operationName?: ?string,
-  fieldResolver?: ?GraphQLFieldResolver<any, any>,
-  typeResolver?: ?GraphQLTypeResolver<any, any>,
-): Promise<ExecutionResult>;
-export function graphql(
-  argsOrSchema,
-  source,
-  rootValue,
-  contextValue,
-  variableValues,
-  operationName,
-  fieldResolver,
-  typeResolver,
-) {
-  /* eslint-enable no-redeclare */
+
+export function graphql(args: GraphQLArgs): Promise<ExecutionResult> {
   // Always return a Promise for a consistent API.
-  return new Promise((resolve) =>
-    resolve(
-      // Extract arguments from object args if provided.
-      arguments.length === 1
-        ? graphqlImpl(argsOrSchema)
-        : graphqlImpl({
-            schema: argsOrSchema,
-            source,
-            rootValue,
-            contextValue,
-            variableValues,
-            operationName,
-            fieldResolver,
-            typeResolver,
-          }),
-    ),
-  );
+  return new Promise((resolve) => resolve(graphqlImpl(args)));
 }
 
 /**
@@ -114,43 +77,8 @@ export function graphql(
  * However, it guarantees to complete synchronously (or throw an error) assuming
  * that all field resolvers are also synchronous.
  */
-declare function graphqlSync(GraphQLArgs, ..._: []): ExecutionResult;
-/* eslint-disable no-redeclare */
-declare function graphqlSync(
-  schema: GraphQLSchema,
-  source: Source | string,
-  rootValue?: mixed,
-  contextValue?: mixed,
-  variableValues?: ?{ +[variable: string]: mixed, ... },
-  operationName?: ?string,
-  fieldResolver?: ?GraphQLFieldResolver<any, any>,
-  typeResolver?: ?GraphQLTypeResolver<any, any>,
-): ExecutionResult;
-export function graphqlSync(
-  argsOrSchema,
-  source,
-  rootValue,
-  contextValue,
-  variableValues,
-  operationName,
-  fieldResolver,
-  typeResolver,
-) {
-  /* eslint-enable no-redeclare */
-  // Extract arguments from object args if provided.
-  const result =
-    arguments.length === 1
-      ? graphqlImpl(argsOrSchema)
-      : graphqlImpl({
-          schema: argsOrSchema,
-          source,
-          rootValue,
-          contextValue,
-          variableValues,
-          operationName,
-          fieldResolver,
-          typeResolver,
-        });
+export function graphqlSync(args: GraphQLArgs): ExecutionResult {
+  const result = graphqlImpl(args);
 
   // Assert that the execution was synchronous.
   if (isPromise(result)) {

src/subscription/__tests__/subscribe-test.js

@@ -152,26 +152,6 @@ async function expectPromiseToThrow(
 
 // Check all error cases when initializing the subscription.
 describe('Subscription Initialization Phase', () => {
-  it('accepts positional arguments', async () => {
-    const document = parse(`
-      subscription {
-        importantEmail
-      }
-    `);
-
-    async function* emptyAsyncIterator() {
-      // Empty
-    }
-
-    // $FlowFixMe[incompatible-call]
-    const ai = await subscribe(emailSchema, document, {
-      importantEmail: emptyAsyncIterator,
-    });
-
-    ai.next();
-    ai.return();
-  });
-
   it('accepts multiple subscription fields defined in schema', async () => {
     const pubsub = new SimplePubSub();
     const SubscriptionTypeMultiple = new GraphQLObjectType({
@@ -328,7 +308,7 @@ describe('Subscription Initialization Phase', () => {
     );
 
     await expectPromiseToThrow(
-      // $FlowExpectedError[incompatible-call]
+      // $FlowExpectedError[prop-missing]
       () => subscribe({ document }),
       'Expected undefined to be a GraphQL schema.',
     );
@@ -342,7 +322,7 @@ describe('Subscription Initialization Phase', () => {
     );
 
     await expectPromiseToThrow(
-      // $FlowExpectedError[incompatible-call]
+      // $FlowExpectedError[prop-missing]
       () => subscribe({ schema: emailSchema }),
       'Must provide document.',
     );
@@ -371,7 +351,7 @@ describe('Subscription Initialization Phase', () => {
   it('should pass through unexpected errors thrown in subscribe', async () => {
     let expectedError;
     try {
-      // $FlowExpectedError[incompatible-call]
+      // $FlowExpectedError[prop-missing]
       await subscribe({ schema: emailSchema, document: {} });
     } catch (error) {
       expectedError = error;

src/subscription/subscribe.js

@@ -57,60 +57,7 @@ export type SubscriptionArgs = {|
  *
  * Accepts either an object with named arguments, or individual arguments.
  */
-declare function subscribe(
-  SubscriptionArgs,
-  ..._: []
-): Promise<AsyncGenerator<ExecutionResult, void, void> | ExecutionResult>;
-/* eslint-disable no-redeclare */
-declare function subscribe(
-  schema: GraphQLSchema,
-  document: DocumentNode,
-  rootValue?: mixed,
-  contextValue?: mixed,
-  variableValues?: ?{ +[variable: string]: mixed, ... },
-  operationName?: ?string,
-  fieldResolver?: ?GraphQLFieldResolver<any, any>,
-  subscribeFieldResolver?: ?GraphQLFieldResolver<any, any>,
-): Promise<AsyncIterator<ExecutionResult> | ExecutionResult>;
 export function subscribe(
-  argsOrSchema,
-  document,
-  rootValue,
-  contextValue,
-  variableValues,
-  operationName,
-  fieldResolver,
-  subscribeFieldResolver,
-) {
-  /* eslint-enable no-redeclare */
-  // Extract arguments from object args if provided.
-  return arguments.length === 1
-    ? subscribeImpl(argsOrSchema)
-    : subscribeImpl({
-        schema: argsOrSchema,
-        document,
-        rootValue,
-        contextValue,
-        variableValues,
-        operationName,
-        fieldResolver,
-        subscribeFieldResolver,
-      });
-}
-
-/**
- * This function checks if the error is a GraphQLError. If it is, report it as
- * an ExecutionResult, containing only errors and no data. Otherwise treat the
- * error as a system-class error and re-throw it.
- */
-function reportGraphQLError(error: mixed): ExecutionResult {
-  if (error instanceof GraphQLError) {
-    return { errors: [error] };
-  }
-  throw error;
-}
-
-function subscribeImpl(
   args: SubscriptionArgs,
 ): Promise<AsyncGenerator<ExecutionResult, void, void> | ExecutionResult> {
   const {
@@ -165,6 +112,18 @@ function subscribeImpl(
   );
 }
 
+/**
+ * This function checks if the error is a GraphQLError. If it is, report it as
+ * an ExecutionResult, containing only errors and no data. Otherwise treat the
+ * error as a system-class error and re-throw it.
+ */
+function reportGraphQLError(error: mixed): ExecutionResult {
+  if (error instanceof GraphQLError) {
+    return { errors: [error] };
+  }
+  throw error;
+}
+
 /**
  * Implements the "CreateSourceEventStream" algorithm described in the
  * GraphQL specification, resolving the subscription source event stream.