weex-nuke/lib/Util/urlhandler.js

基于 Rax 、Weex 的高性能组件体系 ~~

'use strict';

var _realpath = require('./realpath.js');

var _realpath2 = _interopRequireDefault(_realpath);

var _nukeEnv = require('../Env/index.js');

var _urlhelper = require('./urlhelper.js');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * WxParam 是指 native 模板拦截规则的key，在这些规则下，对参数需要做相应处理。
 *
 * _wx_tpl 默认规则，
 * _h5_tpl nuke 文档专用，离开文档本身没什么价值
 * dd_wx_tpl 钉钉扫码规则
 *
 * 读取优先级依次降低
 */

var WxParam = ['_wx_tpl', '_h5_tpl', 'dd_wx_tpl'];

/**
 * url
 * @param  {[type]} url qap://xxx.js 放弃相对路径支持
 * @param  {object} options
 * @param  {object} options.refer  来源页面
 * @param  {object} options.webRootPath  计算基准路径
 * @param  {object} options.contextQuery  需要持续传递的参数
 * @return {[type]} url    [description]
 */
/**
 * polyfill for qn tabbar
 */
// RegExp author cite: http://stackoverflow.com/a/11976301
function convert(url) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  // add qap:// & qap:/// support
  if (typeof url !== 'string') return;
  var reg = /(qap:\/{2,3})/g;
  url = url.replace(reg, 'qap:///');
  var realurl = void 0;
  if (_nukeEnv.isWeex) {
    realurl = (0, _realpath2.default)(url);
    return realurl;
  }
  var targetObj = getTarget(url);
  // 目标地址是 qap: 协议
  if (targetObj.protocol === 'qap:') {
    var referObj = window.location;

    // console.log('targetBundleName',targetBundleName);
    if (options.refer) {
      referObj = (0, _urlhelper.urlParse)(options.refer);
    }
    if (referObj.search && (referObj.search.indexOf('_wx_tpl') > -1 || referObj.search.indexOf('_h5_tpl') > -1)) {
      /**
       * 这种情况是为 _wx_tpl 扫码规则跳转做的兼容
       * refer 来源是 https://www.taobao.com?_wx_tpl=https://g.alicdn.com/nuke/tabbar/0.3.4/basic.js?id=76843
       * 链接写的是 qap://aaa.js?bb=c
       * 则拼接成 https://www.taobao.com?_wx_tpl=https://g.alicdn.com/nuke/tabbar/0.3.4/aaa.js?bb=c
       */
      var wxParamObj = getSearchParameterAndKey(referObj.search, WxParam);
      var wxParamKey = wxParamObj.key;
      var wxTplUrl = decodeURIComponent(wxParamObj.val);
      var _targetBundleName = targetObj.pathname.substring(1);

      var wxTplObj = (0, _urlhelper.urlParse)(wxTplUrl);
      var _pathNameArr = wxTplObj.pathname.substring(1).split('/');

      var _path = wxTplObj.pathname.replace(_pathNameArr[_pathNameArr.length - 1], _targetBundleName);
      var targetTpl = wxTplObj.protocol + '//' + wxTplObj.host + _path + targetObj.search;
      var _targetUrl = referObj.protocol + '//' + referObj.host + referObj.pathname + replaceSearchParameter(referObj.search, wxParamKey, targetTpl);
      return _targetUrl;
    }
    /**
     * refer 来源是 https://g.alicdn.com/nuke/tabbar/0.3.4/basic.html?id=76843
     * 链接写的是 qap://aaa.js?bb=c
     * 则拼接成 https://g.alicdn.com/nuke/tabbar/0.3.4/aaa.html?bb=c
     */
    var targetBundleName = targetObj.pathname.substring(1).replace('.js', '.html');
    var pathNameArr = referObj.pathname.substring(1).split('/');
    var path = referObj.pathname.replace(pathNameArr[pathNameArr.length - 1], targetBundleName);

    var targetUrl = void 0;
    if (options.webRootPath) {
      targetUrl = options.webRootPath + targetBundleName + targetObj.search;
      if (options.contextQuery) {
        if (targetUrl.indexOf('?') > 0) {
          targetUrl = targetUrl + '&' + options.contextQuery;
        } else {
          targetUrl = targetUrl + '?' + options.contextQuery;
        }
      }
    } else {
      targetUrl = referObj.protocol + '//' + referObj.host + path + targetObj.search;
    }

    return targetUrl;
  }
  return url;
  // realurl = realpath(url);
  // console.log(realurl);
  // throw new Error('parse Target url error');
}
function getTarget(url) {
  return (0, _urlhelper.urlParse)(url);
}
function getSearchParameterAndKey(search, paramObj) {
  var searchString = search.substring(1);

  var i = void 0;

  var val = void 0;

  var params = searchString.split('&');
  var obj = {};
  paramObj.forEach(function (item) {
    if (searchString.indexOf(item) > -1) {
      for (i = 0; i < params.length; i++) {
        val = params[i].split('=');
        if (val[0] === item) {
          obj = {
            key: item,
            val: val[1]
          };
          break;
        }
      }
    }
  });

  return obj;
}
function replaceSearchParameter(search, paramName, paramValue) {
  var newSearch = '';
  var searchString = search.substring(1);

  var i = void 0;

  var val = void 0;

  var params = searchString.split('&');

  for (i = 0; i < params.length; i++) {
    val = params[i].split('=');
    if (val[0] === paramName) {
      newSearch = newSearch + '&' + val[0] + '=' + paramValue;
    } else {
      newSearch = newSearch + '&' + val[0] + '=' + val[1];
    }
  }
  newSearch = '?' + newSearch.substring(1);
  return newSearch;
}
module.exports = convert;