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68 lines
2.1 KiB
Plaintext
68 lines
2.1 KiB
Plaintext
import type { Maybe } from '../jsutils/Maybe';
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import type { ASTNode, FieldNode } from '../language/ast';
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import type { ASTVisitor } from '../language/visitor';
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import type {
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GraphQLArgument,
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GraphQLCompositeType,
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GraphQLEnumValue,
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GraphQLField,
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GraphQLInputType,
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GraphQLOutputType,
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GraphQLType,
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} from '../type/definition';
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import type { GraphQLDirective } from '../type/directives';
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import type { GraphQLSchema } from '../type/schema';
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/**
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* TypeInfo is a utility class which, given a GraphQL schema, can keep track
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* of the current field and type definitions at any point in a GraphQL document
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* AST during a recursive descent by calling `enter(node)` and `leave(node)`.
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*/
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export declare class TypeInfo {
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private _schema;
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private _typeStack;
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private _parentTypeStack;
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private _inputTypeStack;
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private _fieldDefStack;
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private _defaultValueStack;
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private _directive;
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private _argument;
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private _enumValue;
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private _getFieldDef;
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constructor(
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schema: GraphQLSchema,
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/**
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* Initial type may be provided in rare cases to facilitate traversals
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* beginning somewhere other than documents.
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*/
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initialType?: Maybe<GraphQLType>,
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/** @deprecated will be removed in 17.0.0 */
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getFieldDefFn?: GetFieldDefFn,
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);
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get [Symbol.toStringTag](): string;
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getType(): Maybe<GraphQLOutputType>;
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getParentType(): Maybe<GraphQLCompositeType>;
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getInputType(): Maybe<GraphQLInputType>;
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getParentInputType(): Maybe<GraphQLInputType>;
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getFieldDef(): Maybe<GraphQLField<unknown, unknown>>;
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getDefaultValue(): Maybe<unknown>;
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getDirective(): Maybe<GraphQLDirective>;
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getArgument(): Maybe<GraphQLArgument>;
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getEnumValue(): Maybe<GraphQLEnumValue>;
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enter(node: ASTNode): void;
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leave(node: ASTNode): void;
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}
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declare type GetFieldDefFn = (
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schema: GraphQLSchema,
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parentType: GraphQLType,
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fieldNode: FieldNode,
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) => Maybe<GraphQLField<unknown, unknown>>;
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/**
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* Creates a new visitor instance which maintains a provided TypeInfo instance
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* along with visiting visitor.
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*/
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export declare function visitWithTypeInfo(
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typeInfo: TypeInfo,
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visitor: ASTVisitor,
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): ASTVisitor;
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export {};
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