Page Comparison

{
'/discussions/forum/v2/read': {
'errorMsg': "Forum read api failed because of plugin not enabled",
'err': "DMW_FRED01"
},
'/discussions/forum/v2/creat': {
'errorMsg': "Forum creat api failed because of plugin not enabled",
'err': "DMW_FCRT02"
},
'/discussions/v2/topic': {
'errorMsg': "Create topic  failed",
'err': "DMW_TCRT17"
},
.....
.....
.....
}

**** Import Error Json file here as errorCodes *****
app.post(`${BASE_REPORT_URL}/forum/v2/read`, proxyObject());
app.post(`${BASE_REPORT_URL}/forum/v2/create`, proxyObject());
app.post(`${BASE_REPORT_URL}/v2/topics`, proxyObject());

function proxyObject() {
  return proxy(nodebbServiceUrl, {
    proxyReqOptDecorator: proxyUtils.decorateRequestHeaders(),
    proxyReqPathResolver: function (req) {
      let urlParam = req.originalUrl.replace('/discussion', '');
      let query = require('url').parse(req.url).query;
      if (query) {
        return require('url').parse(nodebbServiceUrl+ urlParam + '?' + query).path
      } else {
		const incomingUrl = req.protocol + '://' + req.get('host') + req.originalUrl;
        const proxyUrl = require('url').parse(nodebbServiceUrl + urlParam);
        return proxyUrl.path;
      }
    },
    userResDecorator: (proxyRes, proxyResData, req, res) => {
      try {
        const data = (proxyResData.toString('utf8'));
        if (proxyRes.statusCode === 404 ) {
          return data;
        } else {
          return proxyUtils.handleSessionExpiry(proxyRes, proxyResData, req, res, data);
        }
      } catch (err) {
      
      ***
      Here is mapping happned
      const errorObj = errorCodes[req.originalUrl];
      {
        "id": "discussion.forum.middleware",
        "ver": "1.0",
        "ts": "2020-11-25T07:18:09.945Z",
        "params": {
            "resmsgid": "5f36c090-2eee-11eb-80ed-6bb70096c082",
            "msgid": "req.headers['x-requester-id']",
            "status": "failed",
            "err": errorObj.err,
            "errmsg": errorObj .errorMsg
        }
    }
      ***
        return proxyUtils.handleSessionExpiry(proxyRes, proxyResData, req, res);
      }
    }
  })
}