@dynamic-data/ancestry-mockups/dist/esm/index.js

Ancestry Mockup Data Generators

import { getRandomInt } from '@dynamic-data/utils';
import MOCK from '@dynamic-data/ancestry-data';

var allPositions = [];
var RawDataModel = {
  rsid: function rsid() {
    //https://www.snpedia.com/index.php?title=Category:Is_a_snp&pageuntil=Rs1004467#mw-pages
    var letters = ["i", "myh", "omim", "rs"]; //100,000+ snps that fall into 4 categories

    var string = "";
    var letter = letters[getRandomInt(0, letters.length - 1)];
    string += letter;

    switch (letter) {
      case "omim":
        string += " 604611.0004";
        break;

      case "myh":
        string += "6 c.2161";
        break;

      case "i":
        string += getRandomInt(700014, 6056364);
        break;

      case "rs":
        string += getRandomInt(1, 1008240677);
        break;
    }

    return string;
  },
  chromosome: function chromosome() {
    //Humans have 23 chromosomes
    return getRandomInt(1, 23);
  },
  position: function position() {
    //Over 600,000+ positions
    var x;

    do {
      x = getRandomInt(10000000, 99999999);
    } while (allPositions.includes(x));

    allPositions.push(x);
    return x;
  },
  allele1: function allele1() {
    //A and T can combine with each other, C and G can combine with each other. All alleles can combine with themself 
    switch (getRandomInt(1, 4)) {
      case 1:
        return "A";

      case 2:
        return "T";

      case 3:
        return "C";

      case 4:
        return "G";
    }
  },
  allele2: function allele2(allele1) {
    //A and T can combine with each other, C and G can combine with each other. All alleles can combine with themself 
    switch (allele1) {
      case "A":
      case "T":
        switch (getRandomInt(1, 2)) {
          case 1:
            return "A";

          case 2:
            return "T";
        }

      case "C":
      case "G":
        switch (getRandomInt(1, 2)) {
          case 1:
            return "C";

          case 2:
            return "G";
        }

    }
  }
};
var dataModels = {
  RawData: {
    data: MOCK.RawDataObject,
    mockup: RawDataModel
  }
};
function getModelCSVHeader(dataModel) {
  return dataModels[dataModel].data[0].split("\t");
}
function getRawData(dataType, dataModel, dataDate) {
  var mockupData = {};
  var mockupModel = dataModels[dataModel].mockup;

  if (dataType === "SYNC") {
    mockupData = dataModels[dataModel].data;
  }

  if (dataType === "ASYNC") {
    var mockupDataRow = dataModels[dataModel].data[1].split("\t");
    var mockupDataHeader = dataModels[dataModel].data[0].split("\t");
    mockupDataHeader.forEach(function (k, i) {
      mockupData[k] = mockupDataRow[i];
    });
  }

  var exampleData = mockupData[0];
  mockupData = [mockupData[0]]; //https://genomapp.com/en/dna-raw-data-format/ - 600,000-3,000,000 sites

  for (var i = 0; i < 10000; i++) {
    mockupData.push(Object.assign({}, exampleData));
  }

  mockupData.forEach(function (object) {
    ["rsid", "chromosome", "position", "allele1", "allele2"].forEach(function (key, i) {
      switch (key) {
        case "allele2":
          object[key] = mockupModel[key](object["allele1"]);
          break;

        default:
          object[key] = mockupModel[key]();
          break;
      }
    });
  }); // function quicksort(array) {
  //   if (array.length <= 1) {
  //     return array;
  //   }
  //   var pivot = array[0];
  //   var left = []; 
  //   var right = [];
  //   for (var i = 1; i < array.length; i++) {
  //     array[i].position < pivot.position ? left.push(array[i]) : right.push(array[i]);
  //   }
  //   return quicksort(left).concat(pivot, quicksort(right));
  // }
  // mockupData = quicksort(mockupData)
  // mockupData.sort((a,b)=>{
  //   return a.position - b.position;
  // })

  return mockupData;
}

export { getModelCSVHeader, getRawData };