tav-ui/lib/packages/utils/uuid2.js

Tav UI

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

const hexList = [];
for (let i = 0; i <= 15; i++) {
  hexList[i] = i.toString(16);
}
function buildUUID() {
  let uuid = "";
  for (let i = 1; i <= 36; i++) {
    if (i === 9 || i === 14 || i === 19 || i === 24) {
      uuid += "-";
    } else if (i === 15) {
      uuid += 4;
    } else if (i === 20) {
      uuid += hexList[Math.random() * 4 | 8];
    } else {
      uuid += hexList[Math.random() * 16 | 0];
    }
  }
  return uuid.replace(/-/g, "");
}
let unique = 0;
function buildShortUUID(prefix = "") {
  const time = Date.now();
  const random = Math.floor(Math.random() * 1e9);
  unique++;
  return `${prefix}_${random}${unique}${String(time)}`;
}
const nanoid = (e = 21, urlAlphabet = "useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict") => {
  let t = "";
  const r = crypto.getRandomValues(new Uint8Array(e));
  for (let n = 0; n < e; n++)
    t += urlAlphabet[63 & r[n]];
  return t;
};

exports.buildShortUUID = buildShortUUID;
exports.buildUUID = buildUUID;
exports.nanoid = nanoid;
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