@ryanuo/utils/dist/lib/common/base.mjs

提供多种实用工具函数，涵盖算法、浏览器操作、网络请求等多个领域

export const toString = (v) => Object.prototype.toString.call(v);
export function getTypeName(v) {
  const type = toString(v);
  return type.slice(8, -1).toLowerCase();
}
export function numberToFixed(num, fixed = 4) {
  if (num === 0 || Number.isNaN(num))
    return 0;
  return Number(num.toFixed(fixed));
}
export function deepClone(obj) {
  if (obj === null || typeof obj !== "object")
    return obj;
  if (obj instanceof Date)
    return new Date(obj.getTime());
  if (obj instanceof RegExp)
    return new RegExp(obj.source, obj.flags);
  if (Array.isArray(obj))
    return obj.map((item) => deepClone(item));
  const clone = {};
  for (const key in obj) {
    if (Object.prototype.hasOwnProperty.call(obj, key))
      clone[key] = deepClone(obj[key]);
  }
  return clone;
}