function wrapExecute()

in lib/instrumentation/modules/graphql.js [134:205]
65 lines of code
16 McCabe index (conditional complexity)

  function wrapExecute(orig) {
    return function wrappedExecute(args) {
      agent.logger.debug('intercepted call to graphql.execute');
      const span = ins.createSpan(
        'GraphQL: Unknown Query',
        'db',
        'graphql',
        'execute',
      );
      if (!span) {
        agent.logger.debug(
          'no active transaction found - skipping graphql tracing',
        );
        return orig.apply(this, arguments);
      }

      let document;
      let operationName;
      const singleArgForm =
        onlySupportsSingleArg ||
        (!onlySupportsPositionalArgs && arguments.length === 1);
      if (singleArgForm) {
        document = args.document;
        operationName = args.operationName;
      } else {
        document = arguments[1];
        operationName = arguments[5];
      }

      var details = extractDetails(document, operationName);
      var queries = details.queries;
      operationName =
        operationName ||
        (details.operation &&
          details.operation.name &&
          details.operation.name.value);
      if (queries.length > 0) {
        span.name =
          'GraphQL: ' +
          (operationName ? operationName + ' ' : '') +
          queries.join(', ');
      }

      // `_graphqlRoute` is a boolean, set in instrumentations of other modules
      // that specify 'graphql' in peerDependencies (e.g. '@apollo/server') to
      // indicate that this transaction is for a GraphQL request.
      const trans = span.transaction;
      if (trans._graphqlRoute) {
        var name =
          queries.length > 0 ? queries.join(', ') : 'Unknown GraphQL query';
        if (trans.req) var path = getPathFromRequest(trans.req, true);
        var defaultName = name;
        defaultName = path ? defaultName + ' (' + path + ')' : defaultName;
        defaultName = operationName
          ? operationName + ' ' + defaultName
          : defaultName;
        trans.setDefaultName(defaultName);
        trans.type = 'graphql';
      }

      const spanRunContext = ins.currRunContext().enterSpan(span);
      const p = ins.withRunContext(spanRunContext, orig, this, ...arguments);
      if (typeof p.then === 'function') {
        p.then(function () {
          span.end();
        });
      } else {
        span.end();
      }
      return p;
    };
  }