klz-cables.com/.pnpm-store/v10/files/1b/d37ec0b81dd22aff6e7c827662d7dd61d96b412559fce21c6d619ad592a11b8d66cc0546e029acdc5e1e645d3e6bbea6d121b9678c1b2344a41d9ea5009264

import { Kind } from '../language/kinds.mjs';
/**
 * Returns an operation AST given a document AST and optionally an operation
 * name. If a name is not provided, an operation is only returned if only one is
 * provided in the document.
 */

export function getOperationAST(documentAST, operationName) {
  let operation = null;

  for (const definition of documentAST.definitions) {
    if (definition.kind === Kind.OPERATION_DEFINITION) {
      var _definition$name;

      if (operationName == null) {
        // If no operation name was provided, only return an Operation if there
        // is one defined in the document. Upon encountering the second, return
        // null.
        if (operation) {
          return null;
        }

        operation = definition;
      } else if (
        ((_definition$name = definition.name) === null ||
        _definition$name === void 0
          ? void 0
          : _definition$name.value) === operationName
      ) {
        return definition;
      }
    }
  }

  return operation;
}