fume-fhir-converter/src/helpers/inputConverters/hl7v2/v2json.ts

FHIR-Utilized Mapping Engine - Community

/**
 * © Copyright Outburn Ltd. 2022-2024 All Rights Reserved
 *   Project name: FUME-COMMUNITY
 */
import HL7Dictionary from 'hl7-dictionary';

import expressions from '../../jsonataExpression';
import { startsWith } from '../../stringFunctions';
import { getV2DatatypeDef } from './getV2DatatypeDef';
import { v2normalizeKey } from './v2normalizeKey';
import { v2parse } from './v2parse';

const getV2SegmentDef = (segmentId: string, v2version: string) => {
  const segDef = HL7Dictionary.definitions[v2version].segments[segmentId];
  return { segmentId, ...segDef };
};

export const v2json = async (message: string) => {
  const bindings = {
    v2parse,
    startsWith,
    normalizeKey: v2normalizeKey,
    getSegmentDef: getV2SegmentDef,
    getDatatypeDef: getV2DatatypeDef
  };
  const res = await expressions.v2json.evaluate(
    message,
    bindings
  );
  return res;
};