repo_description: a vue2.0 minimal admin template 
repo_topics: axios element-ui javascript vue vue-admin vue-cli vue-router vuex
code: /**
   * Created by PanJiaChen on 16/11/18.
   */
  
  /**
   * @param {string} path
   * @returns {Boolean}
   */
  export function isExternal(path) {
    return /^(https?:|mailto:|tel:)/.test(path)
  }
  
  /**
   * @param {string} str
   * @returns {Boolean}
   */
  export function validUsername(str) {
    const valid_map = ['admin', 'editor']
    return valid_map.indexOf(str.trim()) >= 0
  }
  