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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/graphql/validation/rules

Просмотр файла: UniqueArgumentNamesRule.mjs

import { groupBy } from '../../jsutils/groupBy.mjs';
import { GraphQLError } from '../../error/GraphQLError.mjs';

/**
 * Unique argument names
 *
 * A GraphQL field or directive is only valid if all supplied arguments are
 * uniquely named.
 *
 * See https://spec.graphql.org/draft/#sec-Argument-Names
 */
export function UniqueArgumentNamesRule(context) {
  return {
    Field: checkArgUniqueness,
    Directive: checkArgUniqueness,
  };

  function checkArgUniqueness(parentNode) {
    var _parentNode$arguments;

    // FIXME: https://github.com/graphql/graphql-js/issues/2203

    /* c8 ignore next */
    const argumentNodes =
      (_parentNode$arguments = parentNode.arguments) !== null &&
      _parentNode$arguments !== void 0
        ? _parentNode$arguments
        : [];
    const seenArgs = groupBy(argumentNodes, (arg) => arg.name.value);

    for (const [argName, argNodes] of seenArgs) {
      if (argNodes.length > 1) {
        context.reportError(
          new GraphQLError(
            `There can be only one argument named "${argName}".`,
            {
              nodes: argNodes.map((node) => node.name),
            },
          ),
        );
      }
    }
  }
}

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