graphql/language/location.d.ts

import { Source } from './source';

/**
 * Represents a location in a Source.
 */
export interface SourceLocation {
  readonly line: number;
  readonly column: number;
}

/**
 * Takes a Source and a UTF-8 character offset, and returns the corresponding
 * line and column as a SourceLocation.
 */
export function getLocation(source: Source, position: number): SourceLocation;