amos-tool/lib/random.js

amos ui tool

"use strict";

function randomInt(r, n) {
  return null == n && (n = r, r = 0), r + Math.floor(Math.random() * (n - r + 1));
}

function random(r) {
  r || (r = 6);
  for (var n = "", o = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz", t = o.length, a = 0; a < r; a++) n += o.charAt(randomInt(0, t - 1));
  return n;
}

function randomOrderNumber(r, n) {
  if (!Array.from) {
    for (var o = [], t = r; t < n + 1; t++) o.push(t);
    return o;
  }
  return Array.from({
    length: n - r + 1
  }, (function(n, o) {
    return r + o;
  }));
}

module.exports = {
  random: random,
  randomInt: randomInt,
  randomOrderNumber: randomOrderNumber
};