gxd-vue-library/build/lib/parsePath.js

依赖与element Ui插件库，聚福宝福利PC端插件库

'use strict';

//https://www.jianshu.com/p/9b8f2cdfcbe1
//https://segmentfault.com/a/1190000014161454

const {pathToRegexp, match, parse, compile} = require("path-to-regexp");

/**
 * @description 检查变量类型
 * @param obj
 * @returns {*}
 */
function check(obj) {
  let toString = Object.prototype.toString;
  let map = {
    '[object Boolean]': 'boolean',
    '[object Number]': 'number',
    '[object String]': 'string',
    '[object Function]': 'function',
    '[object Array]': 'array',
    '[object Date]': 'date',
    '[object RegExp]': 'regExp',
    '[object Undefined]': 'undefined',
    '[object Null]': 'null',
    '[object Object]': 'object',
    '[object Error]': 'error'
  };
  return map[toString.call(obj)];
}

/**
 * @description 是否有特殊字符
 * @param path
 * @returns {boolean}
 */
function hasSpecialPlaceholder(path) {
  return /(:[a-zA-z0-9_]+)/g.test(path)
}


/**
 * @description 解析字符操作带有 ":xxx" 的参数，并返回数组
 * @param path {String} Api地址
 * @returns {[]}
 */
function parsePathToParams(path){
  return parse(path).filter(item=>{
    return check(item) === 'object' && item['name'];
  }).map(item=>{
    return item['name']
  })
}

/**
 * @description 返回替换后带参数的api地址，并删除替换的参数
 * @param path {String} Api地址
 * @param params 参数对象
 * @returns {{params: *, url: *}} 返回参数的api地址API
 */
function compilePath(path,params) {
  let data = JSON.parse(JSON.stringify(params));
  let paramsKey = parsePathToParams(path);
  let compileObj = compile(path);
  let paramLen = paramsKey.filter(key=>{
    return params[key];
  });

  //传入需要替换参数小于需要替换参数个数报错
  if(paramLen.length < paramsKey.length) {
    throw new Error(JSON.stringify({message: '参数个数错误',source: params, target: paramsKey, path: path}))
  }

  let url = compileObj(data);
  if(paramsKey.length >0) {
    paramsKey.map(item=>{
      delete data[item];
    })
  }
  return {url, result: data};
}

module.exports = {
  compilePath,
  parsePathToParams,
  check
}