@phema/cql-execution/lib/datatypes/ratio.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 Ratio = /*#__PURE__*/function () {
  function Ratio(numerator, denominator) {
    _classCallCheck(this, Ratio);

    this.numerator = numerator;
    this.denominator = denominator;

    if (this.numerator == null) {
      throw new Error('Cannot create a ratio with an undefined numerator');
    }

    if (this.denominator == null) {
      throw new Error('Cannot create a ratio with an undefined denominator');
    }
  }

  _createClass(Ratio, [{
    key: "isRatio",
    get: function get() {
      return true;
    }
  }, {
    key: "clone",
    value: function clone() {
      return new Ratio(this.numerator.clone(), this.denominator.clone());
    }
  }, {
    key: "toString",
    value: function toString() {
      return "".concat(this.numerator.toString(), " : ").concat(this.denominator.toString());
    }
  }, {
    key: "equals",
    value: function equals(other) {
      if (other != null && other.isRatio) {
        var divided_this = this.numerator.dividedBy(this.denominator);
        var divided_other = other.numerator.dividedBy(other.denominator);
        return divided_this.equals(divided_other);
      } else {
        return false;
      }
    }
  }, {
    key: "equivalent",
    value: function equivalent(other) {
      var equal = this.equals(other);
      return equal != null ? equal : false;
    }
  }]);

  return Ratio;
}();

module.exports = {
  Ratio: Ratio
};