@smarttracker/blue-button-generate/test/util/jsonutil.js

Blue Button CCDA Generator.

"use strict";

var path = require('path');
var fs = require('fs');

var orderByTemplateId = function (input) {
  var elementsPerTID = input.reduce(function (r, element) {
    var subElement = element['observation'] || element['supply'] || element['act'];
    if (subElement) {
      var templateNode = subElement[0] && subElement[0].templateId;
      if (templateNode) {
        var templateId = templateNode[0] && templateNode[0]['$'] && templateNode[0]['$'].root;
        if (templateId) {
          if (!r[templateId]) {
            r[templateId] = [];
          }
          r[templateId].push(element);
          return r;
        }
      }
    }
    if (!r.unknown) {
      r.unknown = [];
    }
    r.unknown.push(element);
    return r;
  }, {});
  var templateIds = Object.keys(elementsPerTID);
  templateIds.sort();
  var result = templateIds.reduce(function (r, templateId) {
    r = r.concat(elementsPerTID[templateId]);
    return r;
  }, []);
  return result;
};

var orderByKeys = exports.orderByKeys = function orderByKeys(input, parentKey) {
  if (Array.isArray(input)) {
    if (parentKey === 'entryRelationship') {
      input = orderByTemplateId(input);
    }
    var aresult = input.map(function (element) {
      if (element && (typeof element === 'object')) {
        return orderByKeys(element);
      } else {
        return element;
      }
    });
    return aresult;
  } else {
    var result = {};
    var keys = Object.keys(input);
    keys.sort();
    keys.forEach(function (key) {
      if (input[key] && (typeof input[key] === 'object')) {
        result[key] = orderByKeys(input[key], key);
      } else {
        result[key] = input[key];
      }
    });
    return result;
  }
};

exports.getDeepValue = function (root, path) {
  var keys = path.split('.');
  var node = root;
  keys.forEach(function (key) {
    if (node.hasOwnProperty(key)) {
      node = node[key];
    } else {
      node = null;
    }
    if ((node === undefined) || (node === null)) {
      return null;
    }
  });
  return node;
};

exports.fileToJSON = function (directory, filename) {
  var p = path.join(directory, filename);
  var content = fs.readFileSync(p);
  var result = JSON.parse(content);
  return result;
};

exports.JSONToFile = function (json, directory, filename) {
  var p = path.join(directory, filename);
  var content = JSON.stringify(json, null, 2);
  fs.writeFileSync(p, content);
};