text: "use strict";
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.typeConstraint = exports.namedConstraint = exports.taggedConstraint = exports.traverseAncerstors = void 0;
  var METADATA_KEY = require("../constants/metadata_keys");
  var metadata_1 = require("../planning/metadata");
  var traverseAncerstors = function (request, constraint) {
      var parent = request.parentRequest;
      if (parent !== null) {
          return constraint(parent) ? true : traverseAncerstors(parent, constraint);
      }
      else {
          return false;
      }
  };
  exports.traverseAncerstors = traverseAncerstors;
  var taggedConstraint = function (key) { return function (value) {
      var constraint = function (request) {
          return request !== null && request.target !== null && request.target.matchesTag(key)(value);
      };
      constraint.metaData = new metadata_1.Metadata(key, value);
      return constraint;
  }; };
  exports.taggedConstraint = taggedConstraint;
  var namedConstraint = taggedConstraint(METADATA_KEY.NAMED_TAG);
  exports.namedConstraint = namedConstraint;
  var typeConstraint = function (type) { return function (request) {
      var binding = null;
      if (request !== null) {
          binding = request.bindings[0];
          if (typeof type === "string") {
              var serviceIdentifier = binding.serviceIdentifier;
              return serviceIdentifier === type;
          }
          else {
              var constructor = request.bindings[0].implementationType;
              return type === constructor;
          }
      }
      return false;
  }; };
  exports.typeConstraint = typeConstraint;
  