@phema/cql-execution/lib/datatypes/logic.js

An execution framework for the Clinical Quality Language (CQL)

"use strict";

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; }

var ThreeValuedLogic = /*#__PURE__*/function () {
  function ThreeValuedLogic() {
    _classCallCheck(this, ThreeValuedLogic);
  }

  _createClass(ThreeValuedLogic, null, [{
    key: "and",
    value: function and() {
      for (var _len = arguments.length, val = new Array(_len), _key = 0; _key < _len; _key++) {
        val[_key] = arguments[_key];
      }

      if (val.includes(false)) {
        return false;
      } else if (val.includes(null)) {
        return null;
      } else {
        return true;
      }
    }
  }, {
    key: "or",
    value: function or() {
      for (var _len2 = arguments.length, val = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        val[_key2] = arguments[_key2];
      }

      if (val.includes(true)) {
        return true;
      } else if (val.includes(null)) {
        return null;
      } else {
        return false;
      }
    }
  }, {
    key: "xor",
    value: function xor() {
      for (var _len3 = arguments.length, val = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
        val[_key3] = arguments[_key3];
      }

      if (val.includes(null)) {
        return null;
      } else {
        return val.reduce(function (a, b) {
          return (!a ^ !b) === 1;
        });
      }
    }
  }, {
    key: "not",
    value: function not(val) {
      if (val != null) {
        return !val;
      } else {
        return null;
      }
    }
  }]);

  return ThreeValuedLogic;
}();

module.exports = {
  ThreeValuedLogic: ThreeValuedLogic
};