replaced isomorphic-fetch by cross-fetch

.gitignore

@@ -15,3 +15,4 @@ coverage
 
 # Output of 'npm pack'
 *.tgz
+.idea

lib/errors.js

@@ -15,11 +15,12 @@ class LinkLookupError extends Error {
 }
 
 class ErrorMessage extends Error {
-  constructor (message, content) {
+  constructor (message, content, response) {
     super(message)
     this.message = message
     this.content = content
     this.name = 'ErrorMessage'
+    this.response = response
   }
 }
 

lib/transports/http.js

@@ -1,4 +1,4 @@
-const fetch = require('isomorphic-fetch')
+const fetch = require('cross-fetch')
 const errors = require('../errors')
 const utils = require('../utils')
 const URL = require('url-parse')
@@ -132,7 +132,7 @@ class HTTPTransport {
               return data
             } else {
               const title = response.status + ' ' + response.statusText
-              const error = new errors.ErrorMessage(title, data)
+              const error = new errors.ErrorMessage(title, data, response)
               return Promise.reject(error)
             }
           })

package.json

@@ -41,7 +41,7 @@
     "testRegex": "/tests/.*\\.(ts|tsx|js)$"
   },
   "dependencies": {
-    "isomorphic-fetch": "^2.2.1",
+    "cross-fetch": "^2.2.2",
     "url-parse": "^1.1.7",
     "url-template": "^2.0.8"
   },