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

An execution framework for the Clinical Quality Language (CQL)

"use strict";

function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

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 _require = require('../util/util'),
    typeIsArray = _require.typeIsArray;

var Code = /*#__PURE__*/function () {
  function Code(code, system, version, display) {
    _classCallCheck(this, Code);

    this.code = code;
    this.system = system;
    this.version = version;
    this.display = display;
  }

  _createClass(Code, [{
    key: "isCode",
    get: function get() {
      return true;
    }
  }, {
    key: "hasMatch",
    value: function hasMatch(code) {
      if (typeof code === 'string') {
        // the specific behavior for this is not in the specification. Matching codesystem behavior.
        return code === this.code;
      } else {
        return codesInList(toCodeList(code), [this]);
      }
    }
  }]);

  return Code;
}();

var Concept = /*#__PURE__*/function () {
  function Concept(codes, display) {
    _classCallCheck(this, Concept);

    this.codes = codes || [];
    this.display = display;
  }

  _createClass(Concept, [{
    key: "isConcept",
    get: function get() {
      return true;
    }
  }, {
    key: "hasMatch",
    value: function hasMatch(code) {
      return codesInList(toCodeList(code), this.codes);
    }
  }]);

  return Concept;
}();

var ValueSet = /*#__PURE__*/function () {
  function ValueSet(oid, version, codes) {
    _classCallCheck(this, ValueSet);

    this.oid = oid;
    this.version = version;
    this.codes = codes || [];
  }

  _createClass(ValueSet, [{
    key: "isValueSet",
    get: function get() {
      return true;
    }
  }, {
    key: "hasMatch",
    value: function hasMatch(code) {
      var codesList = toCodeList(code); // InValueSet String Overload

      if (codesList.length === 1 && typeof codesList[0] === 'string') {
        var matchFound = false;
        var multipleCodeSystemsExist = false;

        var _iterator = _createForOfIteratorHelper(this.codes),
            _step;

        try {
          for (_iterator.s(); !(_step = _iterator.n()).done;) {
            var codeItem = _step.value;

            // Confirm all code systems match
            if (codeItem.system !== this.codes[0].system) {
              multipleCodeSystemsExist = true;
            }

            if (codeItem.code === codesList[0]) {
              matchFound = true;
            }

            if (multipleCodeSystemsExist && matchFound) {
              throw new Error('In (valueset) is ambiguous -- multiple codes with multiple code systems exist in value set.');
            }
          }
        } catch (err) {
          _iterator.e(err);
        } finally {
          _iterator.f();
        }

        return matchFound;
      } else {
        return codesInList(codesList, this.codes);
      }
    }
  }]);

  return ValueSet;
}();

function toCodeList(c) {
  if (c == null) {
    return [];
  } else if (typeIsArray(c)) {
    var list = [];

    var _iterator2 = _createForOfIteratorHelper(c),
        _step2;

    try {
      for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
        var c2 = _step2.value;
        list = list.concat(toCodeList(c2));
      }
    } catch (err) {
      _iterator2.e(err);
    } finally {
      _iterator2.f();
    }

    return list;
  } else if (typeIsArray(c.codes)) {
    return c.codes;
  } else {
    return [c];
  }
}

function codesInList(cl1, cl2) {
  // test each code in c1 against each code in c2 looking for a match
  return cl1.some(function (c1) {
    return cl2.some(function (c2) {
      // only the left argument (cl1) can contain strings. cl2 will only contain codes.
      if (typeof c1 === 'string') {
        // for "string in codesystem" this should compare the string to
        // the code's "code" field according to the specification.
        return c1 === c2.code;
      } else {
        return codesMatch(c1, c2);
      }
    });
  });
}

function codesMatch(code1, code2) {
  return code1.code === code2.code && code1.system === code2.system;
}

var CodeSystem = function CodeSystem(id, version) {
  _classCallCheck(this, CodeSystem);

  this.id = id;
  this.version = version;
};

module.exports = {
  Code: Code,
  Concept: Concept,
  ValueSet: ValueSet,
  CodeSystem: CodeSystem
};