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uni_modules/uview-plus/libs/luch-request/helpers/buildURL.js 1.7 KB
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  'use strict'
  
  import * as utils from '../utils'
  
  function encode(val) {
      return encodeURIComponent(val)
          .replace(/%40/gi, '@')
          .replace(/%3A/gi, ':')
          .replace(/%24/g, '$')
          .replace(/%2C/gi, ',')
          .replace(/%20/g, '+')
          .replace(/%5B/gi, '[')
          .replace(/%5D/gi, ']')
  }
  
  /**
   * Build a URL by appending params to the end
   *
   * @param {string} url The base of the url (e.g., http://www.google.com)
   * @param {object} [params] The params to be appended
   * @returns {string} The formatted url
   */
  export default function buildURL(url, params) {
      /* eslint no-param-reassign:0 */
      if (!params) {
          return url
      }
  
      let serializedParams
      if (utils.isURLSearchParams(params)) {
          serializedParams = params.toString()
      } else {
          const parts = []
  
          utils.forEach(params, (val, key) => {
              if (val === null || typeof val === 'undefined') {
                  return
              }
  
              if (utils.isArray(val)) {
                  key = `${key}[]`
              } else {
                  val = [val]
              }
  
              utils.forEach(val, (v) => {
                  if (utils.isDate(v)) {
                      v = v.toISOString()
                  } else if (utils.isObject(v)) {
                      v = JSON.stringify(v)
                  }
                  parts.push(`${encode(key)}=${encode(v)}`)
              })
          })
  
          serializedParams = parts.join('&')
      }
  
      if (serializedParams) {
          const hashmarkIndex = url.indexOf('#')
          if (hashmarkIndex !== -1) {
              url = url.slice(0, hashmarkIndex)
          }
  
          url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams
      }
  
      return url
  }