@phema/cql-execution/lib/elm/parameters.js

An execution framework for the Clinical Quality Language (CQL)

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

var _require = require('./expression'),
    Expression = _require.Expression;

var _require2 = require('./builder'),
    build = _require2.build;

var ParameterDef = /*#__PURE__*/function (_Expression) {
  _inherits(ParameterDef, _Expression);

  var _super = _createSuper(ParameterDef);

  function ParameterDef(json) {
    var _this;

    _classCallCheck(this, ParameterDef);

    _this = _super.call(this, json);
    _this.name = json.name;
    _this.default = build(json.default);
    _this.parameterTypeSpecifier = json.parameterTypeSpecifier;
    return _this;
  }

  _createClass(ParameterDef, [{
    key: "exec",
    value: function exec(ctx) {
      // If context parameters contains the name, return value.
      if (ctx && ctx.parameters[this.name] !== undefined) {
        return ctx.parameters[this.name]; // If the parent context contains the name, return that
      } else if (ctx.getParentParameter(this.name) !== undefined) {
        var parentParam = ctx.getParentParameter(this.name);
        return parentParam.default != null ? parentParam.default.execute(ctx) : parentParam; // If default type exists, execute the default type
      } else if (this.default != null) {
        this.default.execute(ctx);
      }
    }
  }]);

  return ParameterDef;
}(Expression);

var ParameterRef = /*#__PURE__*/function (_Expression2) {
  _inherits(ParameterRef, _Expression2);

  var _super2 = _createSuper(ParameterRef);

  function ParameterRef(json) {
    var _this2;

    _classCallCheck(this, ParameterRef);

    _this2 = _super2.call(this, json);
    _this2.name = json.name;
    _this2.library = json.libraryName;
    return _this2;
  }

  _createClass(ParameterRef, [{
    key: "exec",
    value: function exec(ctx) {
      ctx = this.library ? ctx.getLibraryContext(this.library) : ctx;
      var param = ctx.getParameter(this.name);
      return param != null ? param.execute(ctx) : undefined;
    }
  }]);

  return ParameterRef;
}(Expression);

module.exports = {
  ParameterDef: ParameterDef,
  ParameterRef: ParameterRef
};