te-one-xlog/src/utils.ts

the te-one's xlog

import * as os from 'os';
const KEY_REG: RegExp = /[^.,\s\[\]\'\"]+/g;
/**
 * obj 要操作的对象
 * path 属性获取规则
 * 1、"a.b[0].c[d]"
 * 2、"[a][b][c]"
 * 3、"[a,b,c]"
 * 4、[a,b,c]
 * deflt 默认值
 */
export function safeGet(obj: object, path: string, deflt?) {
  if (null == obj)
    return deflt;
  let keys = JSON
    .stringify(path)
    .match(KEY_REG);
  if (!keys)
    return deflt;
  let ret;
  for (let i = 0, j = keys.length; i < j; i++) {
    ret = obj[keys[i]];
    if (null == ret)
      return deflt;
    obj = ret;
  }
  return ret;
}

let serverIp = null
const interfaces: any = os.networkInterfaces();
Object
  .keys(interfaces)
  .forEach(function (ifname) {
    interfaces[ifname]
      .forEach(function (iface) {
        if ('IPv4' !== iface.family || iface.internal !== false || serverIp) {
          return;
        }
        serverIp = iface.address;
      });
  });
export { serverIp };
export function asyncify(fn: Function): Function {
  return async function (...params) {
    return fn.apply(this, params)
  }
}