Remove deprecated 'allowedLegacyNames' property of 'GraphQLSchema'

src/type/__tests__/schema-test.js

@@ -269,23 +269,13 @@ describe('Type System: Schema', () => {
         ).to.equal(undefined);
       });
 
-      it('configures the schema for allowed legacy names', () => {
-        expect(
-          new GraphQLSchema({
-            allowedLegacyNames: ['__badName'],
-          }).__allowedLegacyNames,
-        ).to.deep.equal(['__badName']);
-      });
-
       it('checks the configuration for mistakes', () => {
         // $DisableFlowOnNegativeTest
         expect(() => new GraphQLSchema(() => null)).to.throw();
         // $DisableFlowOnNegativeTest
         expect(() => new GraphQLSchema({ types: {} })).to.throw();
         // $DisableFlowOnNegativeTest
         expect(() => new GraphQLSchema({ directives: {} })).to.throw();
-        // $DisableFlowOnNegativeTest
-        expect(() => new GraphQLSchema({ allowedLegacyNames: {} })).to.throw();
       });
     });
 
@@ -342,15 +332,6 @@ describe('Type System: Schema', () => {
         ).to.deep.equal([]);
       });
 
-      it('still configures the schema for allowed legacy names', () => {
-        expect(
-          new GraphQLSchema({
-            assumeValid: true,
-            allowedLegacyNames: ['__badName'],
-          }).__allowedLegacyNames,
-        ).to.deep.equal(['__badName']);
-      });
-
       it('does not check the configuration for mistakes', () => {
         const config = () => null;
         config.assumeValid = true;
@@ -364,7 +345,6 @@ describe('Type System: Schema', () => {
               assumeValid: true,
               types: {},
               directives: { reduce: () => [] },
-              allowedLegacyNames: {},
             }),
         ).to.not.throw();
       });

src/type/__tests__/validation-test.js

@@ -463,43 +463,6 @@ describe('Type System: Objects must have fields', () => {
       },
     ]);
   });
-
-  it('accepts an Object type with explicitly allowed legacy named fields', () => {
-    const schemaBad = new GraphQLSchema({
-      query: new GraphQLObjectType({
-        name: 'Query',
-        fields: { __badName: { type: GraphQLString } },
-      }),
-    });
-    const schemaOk = new GraphQLSchema({
-      query: new GraphQLObjectType({
-        name: 'Query',
-        fields: { __badName: { type: GraphQLString } },
-      }),
-      allowedLegacyNames: ['__badName'],
-    });
-    expect(validateSchema(schemaBad)).to.deep.equal([
-      {
-        message:
-          'Name "__badName" must not begin with "__", which is reserved by GraphQL introspection.',
-      },
-    ]);
-    expect(validateSchema(schemaOk)).to.deep.equal([]);
-  });
-
-  it('throws with bad value for explicitly allowed legacy names', () => {
-    expect(
-      () =>
-        new GraphQLSchema({
-          query: new GraphQLObjectType({
-            name: 'Query',
-            fields: { __badName: { type: GraphQLString } },
-          }),
-          // $DisableFlowOnNegativeTest
-          allowedLegacyNames: true,
-        }),
-    ).to.throw('"allowedLegacyNames" must be Array if provided but got: true.');
-  });
 });
 
 describe('Type System: Fields args must be properly named', () => {

src/type/schema.js

@@ -133,8 +133,6 @@ export class GraphQLSchema {
   _possibleTypeMap: ObjMap<ObjMap<boolean>>;
   // Used as a cache for validateSchema().
   __validationErrors: ?$ReadOnlyArray<GraphQLError>;
-  // Referenced by validateSchema().
-  __allowedLegacyNames: $ReadOnlyArray<string>;
 
   constructor(config: GraphQLSchemaConfig): void {
     // If this schema was built from a source known to be valid, then it may be
@@ -156,18 +154,12 @@ export class GraphQLSchema {
         '"directives" must be Array if provided but got: ' +
           `${inspect(config.directives)}.`,
       );
-      devAssert(
-        !config.allowedLegacyNames || Array.isArray(config.allowedLegacyNames),
-        '"allowedLegacyNames" must be Array if provided but got: ' +
-          `${inspect(config.allowedLegacyNames)}.`,
-      );
     }
 
     this.extensions = config.extensions && toObjMap(config.extensions);
     this.astNode = config.astNode;
     this.extensionASTNodes = config.extensionASTNodes;
 
-    this.__allowedLegacyNames = config.allowedLegacyNames || [];
     this._queryType = config.query;
     this._mutationType = config.mutation;
     this._subscriptionType = config.subscription;
@@ -273,7 +265,6 @@ export class GraphQLSchema {
     extensions: ?ReadOnlyObjMap<mixed>,
     extensionASTNodes: $ReadOnlyArray<SchemaExtensionNode>,
     assumeValid: boolean,
-    allowedLegacyNames: $ReadOnlyArray<string>,
   |} {
     return {
       query: this.getQueryType(),
@@ -285,7 +276,6 @@ export class GraphQLSchema {
       astNode: this.astNode,
       extensionASTNodes: this.extensionASTNodes || [],
       assumeValid: this.__validationErrors !== undefined,
-      allowedLegacyNames: this.__allowedLegacyNames,
     };
   }
 }
@@ -304,15 +294,6 @@ export type GraphQLSchemaValidationOptions = {|
    * Default: false
    */
   assumeValid?: boolean,
-
-  /**
-   * If provided, the schema will consider fields or types with names included
-   * in this list valid, even if they do not adhere to the specification's
-   * schema validation rules.
-   *
-   * This option is provided to ease adoption and will be removed in v15.
-   */
-  allowedLegacyNames?: ?$ReadOnlyArray<string>,
 |};
 
 export type GraphQLSchemaConfig = {|

src/type/validate.js

@@ -204,11 +204,6 @@ function validateName(
   context: SchemaValidationContext,
   node: { +name: string, +astNode: ?ASTNode, ... },
 ): void {
-  // If a schema explicitly allows some legacy name which is no longer valid,
-  // allow it to be assumed valid.
-  if (context.schema.__allowedLegacyNames.indexOf(node.name) !== -1) {
-    return;
-  }
   // Ensure names are valid, however introspection types opt out.
   const error = isValidNameError(node.name, node.astNode || undefined);
   if (error) {

src/utilities/__tests__/buildASTSchema-test.js

@@ -814,17 +814,6 @@ describe('Schema Builder', () => {
     expect(errors).to.have.lengthOf.above(0);
   });
 
-  it('Accepts legacy names', () => {
-    const sdl = `
-      type Query {
-        __badName: String
-      }
-    `;
-    const schema = buildSchema(sdl, { allowedLegacyNames: ['__badName'] });
-    const errors = validateSchema(schema);
-    expect(errors).to.have.lengthOf(0);
-  });
-
   it('Rejects invalid SDL', () => {
     const sdl = `
       type Query {

src/utilities/__tests__/buildClientSchema-test.js

@@ -480,24 +480,6 @@ describe('Type System: build schema from introspection', () => {
     expect(printSchema(clientSchema)).to.equal(sdl);
   });
 
-  it('builds a schema with legacy names', () => {
-    const sdl = dedent`
-      type Query {
-        __badName: String
-      }
-    `;
-    const allowedLegacyNames = ['__badName'];
-    const schema = buildSchema(sdl, { allowedLegacyNames });
-
-    const introspection = introspectionFromSchema(schema);
-    const clientSchema = buildClientSchema(introspection, {
-      allowedLegacyNames,
-    });
-
-    expect(schema.__allowedLegacyNames).to.deep.equal(['__badName']);
-    expect(printSchema(clientSchema)).to.equal(sdl);
-  });
-
   it('builds a schema aware of deprecation', () => {
     const sdl = dedent`
       enum Color {

src/utilities/__tests__/extendSchema-test.js

@@ -1087,48 +1087,6 @@ describe('extendSchema', () => {
     );
   });
 
-  it('maintains configuration of the original schema object', () => {
-    const testSchemaWithLegacyNames = new GraphQLSchema({
-      query: new GraphQLObjectType({
-        name: 'Query',
-        fields: () => ({
-          id: { type: GraphQLID },
-        }),
-      }),
-      allowedLegacyNames: ['__badName'],
-    });
-    const ast = parse(`
-      extend type Query {
-        __badName: String
-      }
-    `);
-    const schema = extendSchema(testSchemaWithLegacyNames, ast);
-    expect(schema).to.deep.include({ __allowedLegacyNames: ['__badName'] });
-  });
-
-  it('adds to the configuration of the original schema object', () => {
-    const testSchemaWithLegacyNames = new GraphQLSchema({
-      query: new GraphQLObjectType({
-        name: 'Query',
-        fields: () => ({
-          __badName: { type: GraphQLString },
-        }),
-      }),
-      allowedLegacyNames: ['__badName'],
-    });
-    const ast = parse(`
-      extend type Query {
-        __anotherBadName: String
-      }
-    `);
-    const schema = extendSchema(testSchemaWithLegacyNames, ast, {
-      allowedLegacyNames: ['__anotherBadName'],
-    });
-    expect(schema).to.deep.include({
-      __allowedLegacyNames: ['__badName', '__anotherBadName'],
-    });
-  });
-
   describe('can add additional root operation types', () => {
     it('does not automatically include common root type names', () => {
       const schema = extendTestSchema(`

src/utilities/buildASTSchema.js

@@ -187,7 +187,6 @@ export function buildASTSchema(
     directives,
     astNode: schemaDef,
     assumeValid: options && options.assumeValid,
-    allowedLegacyNames: options && options.allowedLegacyNames,
   });
 
   function getOperationTypes(schema: SchemaDefinitionNode) {

src/utilities/buildClientSchema.js

@@ -121,7 +121,6 @@ export function buildClientSchema(
     types: objectValues(typeMap),
     directives,
     assumeValid: options && options.assumeValid,
-    allowedLegacyNames: options && options.allowedLegacyNames,
   });
 
   // Given a type reference in introspection, return the GraphQLType instance.

src/utilities/extendSchema.js

@@ -190,11 +190,6 @@ export function extendSchema(
     }
   }
 
-  // Support both original legacy names and extended legacy names.
-  const allowedLegacyNames = schemaConfig.allowedLegacyNames.concat(
-    (options && options.allowedLegacyNames) || [],
-  );
-
   // Then produce and return a Schema with these types.
   return new GraphQLSchema({
     // Note: While this could make early assertions to get the correctly
@@ -208,7 +203,6 @@ export function extendSchema(
     directives: getMergedDirectives(),
     astNode: schemaDef || schemaConfig.astNode,
     extensionASTNodes: schemaConfig.extensionASTNodes.concat(schemaExts),
-    allowedLegacyNames,
   });
 
   // Below are functions used for producing this schema that have closed over

tstypes/type/schema.d.ts

@@ -70,7 +70,6 @@ export class GraphQLSchema {
     extensions: Maybe<Readonly<Record<string, any>>>;
     extensionASTNodes: ReadonlyArray<SchemaExtensionNode>;
     assumeValid: boolean;
-    allowedLegacyNames: ReadonlyArray<string>;
   };
 }
 
@@ -85,15 +84,6 @@ export interface GraphQLSchemaValidationOptions {
    * Default: false
    */
   assumeValid?: boolean;
-
-  /**
-   * If provided, the schema will consider fields or types with names included
-   * in this list valid, even if they do not adhere to the specification's
-   * schema validation rules.
-   *
-   * This option is provided to ease adoption and will be removed in v15.
-   */
-  allowedLegacyNames?: Maybe<ReadonlyArray<string>>;
 }
 
 export interface GraphQLSchemaConfig extends GraphQLSchemaValidationOptions {