betanet-mini-ui/lib/utils/tool.js

为 Taro 而设计的 UI Library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.uuid = uuid;

function uuid() {
  var len = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 8;
  var radix = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 16;
  var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
  var value = [];
  var i = 0;
  radix = radix || chars.length;

  if (len) {
    for (i = 0; i < len; i++) {
      value[i] = chars[0 | Math.random() * radix];
    }
  } else {
    var r;
    value[8] = value[13] = value[18] = value[23] = '-';
    value[14] = '4';

    for (i = 0; i < 36; i++) {
      if (!value[i]) {
        r = 0 | Math.random() * 16;
        value[i] = chars[i === 19 ? r & 0x3 | 0x8 : r];
      }
    }
  }

  return value.join('');
}