diff --git a/src/language/experimentalOnlineParser/grammar.d.ts b/src/language/experimentalOnlineParser/grammar.d.ts
index c27fdc1d8f..9de6373a2e 100644
--- a/src/language/experimentalOnlineParser/grammar.d.ts
+++ b/src/language/experimentalOnlineParser/grammar.d.ts
@@ -77,928 +77,4 @@ export interface GraphQLGrammarPeekConstraintCondition {
   end?: boolean;
 }
 
-export const grammar: GraphQLGrammarType = {
-  Name: { token: 'Name' },
-  String: { token: 'String' },
-  BlockString: { token: 'BlockString' },
-
-  Document: { listOfType: 'Definition' },
-  Definition: {
-    peek: [
-      {
-        ifCondition: {
-          token: 'Name',
-          oneOf: ['query', 'mutation', 'subscription'],
-        },
-        expect: 'OperationDefinition',
-      },
-      {
-        ifCondition: { token: 'Name', ofValue: 'fragment' },
-        expect: 'FragmentDefinition',
-      },
-      {
-        ifCondition: {
-          token: 'Name',
-          oneOf: [
-            'schema',
-            'scalar',
-            'type',
-            'interface',
-            'union',
-            'enum',
-            'input',
-            'directive',
-          ],
-        },
-        expect: 'TypeSystemDefinition',
-      },
-      {
-        ifCondition: { token: 'Name', ofValue: 'extend' },
-        expect: 'TypeSystemExtension',
-      },
-      {
-        ifCondition: { token: '{' },
-        expect: 'OperationDefinition',
-      },
-      {
-        ifCondition: 'String',
-        expect: 'TypeSystemDefinition',
-      },
-      {
-        ifCondition: 'BlockString',
-        expect: 'TypeSystemDefinition',
-      },
-    ],
-  },
-
-  OperationDefinition: {
-    peek: [
-      {
-        ifCondition: { token: '{' },
-        expect: 'SelectionSet',
-      },
-      {
-        ifCondition: {
-          token: 'Name',
-          oneOf: ['query', 'mutation', 'subscription'],
-        },
-        expect: [
-          'OperationType',
-          {
-            token: 'Name',
-            optional: true,
-            tokenName: 'OperationName',
-            definitionName: true,
-          },
-          { ofType: 'VariableDefinitions', optional: true },
-          { ofType: 'Directives', optional: true },
-          'SelectionSet',
-        ],
-      },
-    ],
-  },
-  OperationType: {
-    ofType: 'OperationTypeName',
-  },
-  OperationTypeName: {
-    token: 'Name',
-    oneOf: ['query', 'mutation', 'subscription'],
-    definitionName: true,
-  },
-  SelectionSet: [{ token: '{' }, { listOfType: 'Selection' }, { token: '}' }],
-  Selection: {
-    peek: [
-      {
-        ifCondition: { token: '...' },
-        expect: 'Fragment',
-      },
-      {
-        ifCondition: { token: 'Name' },
-        expect: 'Field',
-      },
-    ],
-  },
-
-  Field: [
-    {
-      ofType: 'Alias',
-      optional: true,
-      eatNextOnFail: true,
-      definitionName: true,
-    },
-    { token: 'Name', tokenName: 'FieldName', definitionName: true },
-    { ofType: 'Arguments', optional: true },
-    { ofType: 'Directives', optional: true },
-    { ofType: 'SelectionSet', optional: true },
-  ],
-
-  Arguments: [{ token: '(' }, { listOfType: 'Argument' }, { token: ')' }],
-  Argument: [
-    { token: 'Name', tokenName: 'ArgumentName', definitionName: true },
-    { token: ':' },
-    'Value',
-  ],
-
-  Alias: [
-    { token: 'Name', tokenName: 'AliasName', definitionName: true },
-    { token: ':' },
-  ],
-
-  Fragment: [
-    { token: '...' },
-    {
-      peek: [
-        {
-          ifCondition: 'FragmentName',
-          expect: 'FragmentSpread',
-        },
-        {
-          ifCondition: { token: 'Name', ofValue: 'on' },
-          expect: 'InlineFragment',
-        },
-        {
-          ifCondition: { token: '@' },
-          expect: 'InlineFragment',
-        },
-        {
-          ifCondition: { token: '{' },
-          expect: 'InlineFragment',
-        },
-      ],
-    },
-  ],
-
-  FragmentSpread: ['FragmentName', { ofType: 'Directives', optional: true }],
-  FragmentDefinition: [
-    {
-      token: 'Name',
-      ofValue: 'fragment',
-      tokenName: 'FragmentDefinitionKeyword',
-    },
-    'FragmentName',
-    'TypeCondition',
-    { ofType: 'Directives', optional: true },
-    'SelectionSet',
-  ],
-  FragmentName: {
-    token: 'Name',
-    butNot: { token: 'Name', ofValue: 'on' },
-    definitionName: true,
-  },
-
-  TypeCondition: [
-    { token: 'Name', ofValue: 'on', tokenName: 'OnKeyword' },
-    'TypeName',
-  ],
-
-  InlineFragment: [
-    { ofType: 'TypeCondition', optional: true },
-    { ofType: 'Directives', optional: true },
-    'SelectionSet',
-  ],
-
-  Value: {
-    peek: [
-      {
-        ifCondition: { token: '$' },
-        expect: 'Variable',
-      },
-      {
-        ifCondition: 'IntValue',
-        expect: { ofType: 'IntValue', tokenName: 'NumberValue' },
-      },
-      {
-        ifCondition: 'FloatValue',
-        expect: { ofType: 'FloatValue', tokenName: 'NumberValue' },
-      },
-      {
-        ifCondition: 'BooleanValue',
-        expect: { ofType: 'BooleanValue', tokenName: 'BooleanValue' },
-      },
-      {
-        ifCondition: 'EnumValue',
-        expect: { ofType: 'EnumValue', tokenName: 'EnumValue' },
-      },
-      {
-        ifCondition: 'String',
-        expect: { ofType: 'String', tokenName: 'StringValue' },
-      },
-      {
-        ifCondition: 'BlockString',
-        expect: { ofType: 'BlockString', tokenName: 'StringValue' },
-      },
-      {
-        ifCondition: 'NullValue',
-        expect: { ofType: 'NullValue', tokenName: 'NullValue' },
-      },
-      {
-        ifCondition: { token: '[' },
-        expect: 'ListValue',
-      },
-      {
-        ifCondition: { token: '{' },
-        expect: 'ObjectValue',
-      },
-    ],
-  },
-
-  ConstValue: {
-    peek: [
-      {
-        ifCondition: 'IntValue',
-        expect: { ofType: 'IntValue' },
-      },
-      {
-        ifCondition: 'FloatValue',
-        expect: { ofType: 'FloatValue' },
-      },
-      {
-        ifCondition: 'BooleanValue',
-        expect: 'BooleanValue',
-      },
-      {
-        ifCondition: 'EnumValue',
-        expect: 'EnumValue',
-      },
-      {
-        ifCondition: 'String',
-        expect: { ofType: 'String', tokenName: 'StringValue' },
-      },
-      {
-        ifCondition: 'BlockString',
-        expect: { token: 'BlockString', tokenName: 'StringValue' },
-      },
-      {
-        ifCondition: 'NullValue',
-        expect: 'NullValue',
-      },
-      {
-        ifCondition: { token: '[' },
-        expect: 'ConstListValue',
-      },
-      {
-        ifCondition: { token: '{' },
-        expect: 'ObjectValue',
-      },
-    ],
-  },
-
-  IntValue: { token: 'Int' },
-
-  FloatValue: { token: 'Float' },
-
-  StringValue: {
-    peek: [
-      {
-        ifCondition: { token: 'String' },
-        expect: { token: 'String', tokenName: 'StringValue' },
-      },
-      {
-        ifCondition: { token: 'BlockString' },
-        expect: { token: 'BlockString', tokenName: 'StringValue' },
-      },
-    ],
-  },
-
-  BooleanValue: {
-    token: 'Name',
-    oneOf: ['true', 'false'],
-    tokenName: 'BooleanValue',
-  },
-
-  NullValue: {
-    token: 'Name',
-    ofValue: 'null',
-    tokenName: 'NullValue',
-  },
-
-  EnumValue: {
-    token: 'Name',
-    butNot: { token: 'Name', oneOf: ['null', 'true', 'false'] },
-    tokenName: 'EnumValue',
-  },
-
-  ListValue: [
-    { token: '[' },
-    { listOfType: 'Value', optional: true },
-    { token: ']' },
-  ],
-
-  ConstListValue: [
-    { token: '[' },
-    { listOfType: 'ConstValue', optional: true },
-    { token: ']' },
-  ],
-
-  ObjectValue: [
-    { token: '{' },
-    { listOfType: 'ObjectField', optional: true },
-    { token: '}' },
-  ],
-  ObjectField: [
-    { token: 'Name', tokenName: 'ObjectFieldName' },
-    { token: ':' },
-    { ofType: 'ConstValue' },
-  ],
-
-  Variable: [
-    { token: '$', tokenName: 'VariableName' },
-    { token: 'Name', tokenName: 'VariableName' },
-  ],
-  VariableDefinitions: [
-    { token: '(' },
-    { listOfType: 'VariableDefinition' },
-    { token: ')' },
-  ],
-  VariableDefinition: [
-    'Variable',
-    { token: ':' },
-    'Type',
-    { ofType: 'DefaultValue', optional: true },
-  ],
-  DefaultValue: [{ token: '=' }, 'ConstValue'],
-
-  TypeName: { token: 'Name', tokenName: 'TypeName', typeName: true },
-
-  Type: {
-    peek: [
-      {
-        ifCondition: { token: 'Name' },
-        expect: ['TypeName', { token: '!', optional: true }],
-      },
-      {
-        ifCondition: { token: '[' },
-        expect: 'ListType',
-      },
-    ],
-  },
-  ListType: [
-    { token: '[' },
-    { listOfType: 'Type' },
-    { token: ']' },
-    { token: '!', optional: true },
-  ],
-
-  Directives: { listOfType: 'Directive' },
-  Directive: [
-    { token: '@', tokenName: 'DirectiveName' },
-    { token: 'Name', tokenName: 'DirectiveName' },
-    { ofType: 'Arguments', optional: true },
-  ],
-
-  TypeSystemDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      peek: [
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'schema',
-          },
-          expect: 'SchemaDefinition',
-        },
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'scalar',
-          },
-          expect: 'ScalarTypeDefinition',
-        },
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'type',
-          },
-          expect: 'ObjectTypeDefinition',
-        },
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'interface',
-          },
-          expect: 'InterfaceTypeDefinition',
-        },
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'union',
-          },
-          expect: 'UnionTypeDefinition',
-        },
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'enum',
-          },
-          expect: 'EnumTypeDefinition',
-        },
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'input',
-          },
-          expect: 'InputObjectTypeDefinition',
-        },
-        {
-          ifCondition: {
-            target: 'Name',
-            ofValue: 'directive',
-          },
-          expect: 'DirectiveDefinition',
-        },
-      ],
-    },
-  ],
-
-  TypeSystemExtension: {
-    peek: [
-      {
-        ifCondition: {
-          target: 'Name',
-          ofValue: 'schema',
-        },
-        expect: 'SchemaExtension',
-      },
-      {
-        ifCondition: {
-          target: 'Name',
-          ofValue: 'scalar',
-        },
-        expect: 'ScalarTypeExtension',
-      },
-      {
-        ifCondition: {
-          target: 'Name',
-          ofValue: 'type',
-        },
-        expect: 'ObjectTypeExtension',
-      },
-      {
-        ifCondition: {
-          target: 'Name',
-          ofValue: 'interface',
-        },
-        expect: 'InterfaceTypeExtension',
-      },
-      {
-        ifCondition: {
-          target: 'Name',
-          ofValue: 'union',
-        },
-        expect: 'UnionTypeExtension',
-      },
-      {
-        ifCondition: {
-          target: 'Name',
-          ofValue: 'enum',
-        },
-        expect: 'EnumTypeExtension',
-      },
-      {
-        ifCondition: {
-          target: 'Name',
-          ofValue: 'input',
-        },
-        expect: 'InputObjectTypeExtension',
-      },
-    ],
-  },
-
-  SchemaDefinition: [
-    {
-      token: 'Name',
-      ofValue: 'schema',
-      tokenName: 'SchemaDefinitionKeyword',
-    },
-    { ofType: 'Directives', optional: true },
-    { token: '{' },
-    { listOfType: 'RootOperationTypeDefinition' },
-    { token: '}' },
-  ],
-  RootOperationTypeDefinition: [
-    'OperationType',
-    { token: ':' },
-    { token: 'Name', tokenName: 'OperationTypeDefinitionName' },
-  ],
-
-  SchemaExtension: [
-    { token: 'Name', ofValue: 'extend' },
-    { token: 'Name', ofValue: 'schema' },
-    'Name',
-    {
-      peek: [
-        {
-          ifCondition: { token: '@' },
-          expect: [
-            'Directives',
-            {
-              ofType: [
-                { token: '{' },
-                { listOfType: 'RootOperationTypeDefinition' },
-                { token: '}' },
-              ],
-              optional: true,
-            },
-          ],
-        },
-        {
-          ifCondition: { token: '{' },
-          expect: [
-            { token: '{' },
-            { listOfType: 'RootOperationTypeDefinition' },
-            { token: '}' },
-          ],
-        },
-      ],
-    },
-  ],
-
-  Description: 'StringValue',
-
-  ScalarTypeDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      token: 'Name',
-      ofValue: 'scalar',
-      tokenName: 'ScalarDefinitionKeyword',
-    },
-    'TypeName',
-    { ofType: 'Directives', optional: true },
-  ],
-
-  ScalarTypeExtension: [
-    {
-      token: 'Name',
-      ofValue: 'extend',
-      tokenName: 'ExtendDefinitionKeyword',
-    },
-    {
-      token: 'Name',
-      ofValue: 'scalar',
-      tokenName: 'ScalarDefinitionKeyword',
-    },
-    'TypeName',
-    'Directives',
-  ],
-
-  ObjectTypeDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      token: 'Name',
-      ofValue: 'type',
-      tokenName: 'TypeDefinitionKeyword',
-    },
-    'TypeName',
-    { ofType: 'ImplementsInterfaces', optional: true },
-    { ofType: 'Directives', optional: true },
-    { ofType: 'FieldsDefinition', optional: true },
-  ],
-  ImplementsInterfaces: [
-    {
-      token: 'Name',
-      ofValue: 'implements',
-      tokenName: 'ImplementsKeyword',
-    },
-    { token: '&', optional: true },
-    'TypeName',
-    {
-      listOfType: 'ImplementsAdditionalInterfaceName',
-      optional: true,
-    },
-  ],
-  ImplementsAdditionalInterfaceName: [{ token: '&' }, 'TypeName'],
-  FieldsDefinition: [
-    { token: '{' },
-    { listOfType: 'FieldDefinition' },
-    { token: '}' },
-  ],
-  FieldDefinition: [
-    { ofType: 'Description', optional: true },
-    { token: 'Name', tokenName: 'AliasName', definitionName: true },
-    { ofType: 'ArgumentsDefinition', optional: true },
-    { token: ':' },
-    'Type',
-    { ofType: 'Directives', optional: true },
-  ],
-
-  ArgumentsDefinition: [
-    { token: '(' },
-    { listOfType: 'InputValueDefinition' },
-    { token: ')' },
-  ],
-  InputValueDefinition: [
-    { ofType: 'Description', optional: true },
-    { token: 'Name', tokenName: 'ArgumentName' },
-    { token: ':' },
-    'Type',
-    { ofType: 'DefaultValue', optional: true },
-    { ofType: 'Directives', optional: true },
-  ],
-
-  ObjectTypeExtension: [
-    {
-      token: 'Name',
-      ofValue: 'extend',
-      tokenName: 'ExtendDefinitionKeyword',
-    },
-    {
-      token: 'Name',
-      ofValue: 'type',
-      tokenName: 'TypeDefinitionKeyword',
-    },
-    'TypeName',
-    {
-      peek: [
-        {
-          ifCondition: { token: 'Name', ofValue: 'interface' },
-          expect: [
-            'ImplementsInterfaces',
-            {
-              peek: [
-                {
-                  ifCondition: { token: '@' },
-                  expect: [
-                    'Directives',
-                    { ofType: 'FieldsDefinition', optional: true },
-                  ],
-                },
-                {
-                  ifCondition: { token: '{' },
-                  expect: 'FieldsDefinition',
-                },
-              ],
-              optional: true,
-            },
-          ],
-        },
-        {
-          ifCondition: { token: '@' },
-          expect: [
-            'Directives',
-            { ofType: 'FieldsDefinition', optional: true },
-          ],
-        },
-        {
-          ifCondition: { token: '{' },
-          expect: 'FieldsDefinition',
-        },
-      ],
-    },
-  ],
-
-  InterfaceTypeDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      token: 'Name',
-      ofValue: 'interface',
-      tokenName: 'InterfaceDefinitionKeyword',
-    },
-    'TypeName',
-    { ofType: 'Directives', optional: true },
-    { ofType: 'FieldsDefinition', optional: true },
-  ],
-
-  InterfaceTypeExtension: [
-    {
-      token: 'Name',
-      ofValue: 'extend',
-      tokenName: 'ExtendDefinitionKeyword',
-    },
-    {
-      token: 'Name',
-      ofValue: 'interface',
-      tokenName: 'InterfaceDefinitionKeyword',
-    },
-    'TypeName',
-    {
-      peek: [
-        {
-          ifCondition: { token: '@' },
-          expect: [
-            'Directives',
-            { ofType: 'FieldsDefinition', optional: true },
-          ],
-        },
-        {
-          ifCondition: { token: '{' },
-          expect: 'FieldsDefinition',
-        },
-      ],
-    },
-  ],
-
-  UnionTypeDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      token: 'Name',
-      ofValue: 'union',
-      tokenName: 'UnionDefinitionKeyword',
-    },
-    'TypeName',
-    { ofType: 'Directives', optional: true },
-    { ofType: 'UnionMemberTypes', optional: true },
-  ],
-
-  UnionMemberTypes: [
-    { token: '=' },
-    { token: '|', optional: true },
-    'Name',
-    {
-      listOfType: 'UnionMemberAdditionalTypeName',
-      optional: true,
-    },
-  ],
-
-  UnionMemberAdditionalTypeName: [{ token: '|' }, 'TypeName'],
-
-  UnionTypeExtension: [
-    {
-      token: 'Name',
-      ofValue: 'extend',
-      tokenName: 'ExtendDefinitionKeyword',
-    },
-    {
-      token: 'Name',
-      ofValue: 'union',
-      tokenName: 'UnionDefinitionKeyword',
-    },
-    'TypeName',
-    {
-      peek: [
-        {
-          ifCondition: { token: '@' },
-          expect: [
-            'Directives',
-            { ofType: 'UnionMemberTypes', optional: true },
-          ],
-        },
-        {
-          ifCondition: { token: '=' },
-          expect: 'UnionMemberTypes',
-        },
-      ],
-    },
-  ],
-
-  EnumTypeDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      token: 'Name',
-      ofValue: 'enum',
-      tokenName: 'EnumDefinitionKeyword',
-    },
-    'TypeName',
-    { ofType: 'Directives', optional: true },
-    { ofType: 'EnumValuesDefinition', optional: true },
-  ],
-  EnumValuesDefinition: [
-    { token: '{' },
-    { listOfType: 'EnumValueDefinition' },
-    { token: '}' },
-  ],
-  EnumValueDefinition: [
-    { ofType: 'Description', optional: true },
-    'EnumValue',
-    { ofType: 'Directives', optional: true },
-  ],
-
-  EnumTypeExtension: [
-    {
-      token: 'Name',
-      ofValue: 'extend',
-      tokenName: 'ExtendDefinitionKeyword',
-    },
-    {
-      token: 'Name',
-      ofValue: 'enum',
-      tokenName: 'EnumDefinitionKeyword',
-    },
-    'TypeName',
-    {
-      peek: [
-        {
-          ifCondition: { token: '@' },
-          expect: [
-            'Directives',
-            { ofType: 'EnumValuesDefinition', optional: true },
-          ],
-        },
-        {
-          ifCondition: { token: '{' },
-          expect: 'EnumValuesDefinition',
-        },
-      ],
-    },
-  ],
-
-  InputObjectTypeDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      token: 'Name',
-      ofValue: 'input',
-      tokenName: 'InputDefinitionKeyword',
-    },
-    'TypeName',
-    { ofType: 'Directives', optional: true },
-    { ofType: 'InputFieldsDefinition', optional: true },
-  ],
-  InputFieldsDefinition: [
-    { token: '{' },
-    { listOfType: 'InputValueDefinition' },
-    { token: '}' },
-  ],
-
-  InputObjectTypeExtension: [
-    {
-      token: 'Name',
-      ofValue: 'extend',
-      tokenName: 'ExtendDefinitionKeyword',
-    },
-    {
-      token: 'Name',
-      ofValue: 'input',
-      tokenName: 'InputDefinitionKeyword',
-    },
-    'TypeName',
-    {
-      peek: [
-        {
-          ifCondition: { token: '@' },
-          expect: [
-            'Directives',
-            { ofType: 'InputFieldsDefinition', optional: true },
-          ],
-        },
-        {
-          ifCondition: { token: '{' },
-          expect: 'InputFieldsDefinition',
-        },
-      ],
-    },
-  ],
-
-  DirectiveDefinition: [
-    { ofType: 'Description', optional: true },
-    {
-      token: 'Name',
-      ofValue: 'directive',
-      tokenName: 'DirectiveDefinitionKeyword',
-    },
-    { token: '@', tokenName: 'DirectiveName' },
-    { token: 'Name', tokenName: 'DirectiveName' },
-    { ofType: 'ArgumentsDefinition', optional: true },
-    { token: 'Name', ofValue: 'on', tokenName: 'OnKeyword' },
-    'DirectiveLocations',
-  ],
-  DirectiveLocations: [
-    { token: '|', optional: true },
-    'DirectiveLocation',
-    {
-      listOfType: 'DirectiveLocationAdditionalName',
-      optional: true,
-    },
-  ],
-  DirectiveLocationAdditionalName: [{ token: '|' }, 'DirectiveLocation'],
-  DirectiveLocation: {
-    peek: [
-      {
-        ifCondition: 'ExecutableDirectiveLocation',
-        expect: 'ExecutableDirectiveLocation',
-      },
-      {
-        ifCondition: 'TypeSystemDirectiveLocation',
-        expect: 'TypeSystemDirectiveLocation',
-      },
-    ],
-  },
-  ExecutableDirectiveLocation: {
-    token: 'Name',
-    oneOf: [
-      'QUERY',
-      'MUTATION',
-      'SUBSCRIPTION',
-      'FIELD',
-      'FRAGMENT_DEFINITION',
-      'FRAGMENT_SPREAD',
-      'INLINE_FRAGMENT',
-    ],
-    tokenName: 'EnumValue',
-  },
-  TypeSystemDirectiveLocation: {
-    token: 'Name',
-    oneOf: [
-      'SCHEMA',
-      'SCALAR',
-      'OBJECT',
-      'FIELD_DEFINITION',
-      'ARGUMENT_DEFINITION',
-      'INTERFACE',
-      'UNION',
-      'ENUM',
-      'ENUM_VALUE',
-      'INPUT_OBJECT',
-      'INPUT_FIELD_DEFINITION',
-    ],
-    tokenName: 'EnumValue',
-  },
-};
+export const grammar: GraphQLGrammarType;