@personnummer/generate/dist/cjs/index.js

Generate Swedish Personal Identity Numbers

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var src_exports = {};
__export(src_exports, {
  default: () => src_default
});

var randomNumber = (gender) => {
  let num = Math.floor(Math.random() * 9);
  switch (gender) {
    case "male":
      if (num % 2 === 0) {
        num += 1;
      }
      break;
    case "female":
      if (num % 2 !== 0) {
        num += 1;
      }
      break;
    default:
      break;
  }
  return num;
};
var randomDate = () => {
  const year = new Date().getFullYear();
  const start = new Date(year - 100, 1, 1);
  const end = new Date(year + 100, 1, 1);
  return new Date(
    start.getTime() + Math.random() * (end.getTime() - start.getTime())
  );
};
var padZero = (i) => i < 10 ? `0${i}` : `${i}`;
var generateSerial = (gender) => "" + randomNumber(gender) + ("" + randomNumber(gender)) + ("" + randomNumber(gender));
var luhn = (str) => {
  let v = 0;
  let sum = 0;
  str += "";
  for (let i = 0, l = str.length; i < l; i++) {
    v = str[i];
    v *= 2 - i % 2;
    if (v > 9) {
      v -= 9;
    }
    sum += v;
  }
  return Math.ceil(sum / 10) * 10 - sum;
};
var src_default = (date, options = {}) => {
  let y = 0;
  let m = 0;
  let d = 0;
  if (!(date instanceof Date)) {
    options = date;
    date = randomDate();
  }
  y = date.getFullYear();
  m = date.getMonth() + 1;
  d = date.getDate();
  options = Object.assign(
    {
      gender: "",
      format: "long"
    },
    options || {}
  );
  let c = "";
  y = `${padZero(y)}`;
  if (y.length > 2) {
    c = y.slice(0, 2);
    y = y.slice(2, 4);
  }
  let serial = generateSerial(options.gender || "");
  while (serial === "000") {
    serial = generateSerial(options.gender || "");
  }
  const pin = `${y}${padZero(m)}${padZero(d)}${serial}`;
  const full = `${c}${pin}${luhn(pin)}`;
  if (options.format === "long") {
    return full;
  }
  let sep = "+";
  if (new Date().getFullYear() - parseInt(full.slice(0, 4), 10) < 100) {
    sep = "-";
  }
  return `${full.slice(2, 4)}${full.slice(4, 6)}${full.slice(
    6,
    8
  )}${sep}${full.slice(8)}`;
};
module.exports = src_default;