Merge pull request #51 from terminusdb/fixUTF-8Headers

Added UTF-8 charset to request headers

Author: Francesca-Bit

lib/dispatchRequest.js

@@ -79,7 +79,7 @@ function DispatchRequest(url, action, payload, local_auth, remote_auth = null, c
         case CONST.DELETE:
             if (payload) {
                 options.headers = options.headers ? options.headers : {}
-                options.headers['Content-Type'] = 'application/json'
+                options.headers['Content-Type'] = 'application/json; charset=utf-8'
                 options.data = payload
             }
             return axiosInstance
@@ -108,7 +108,7 @@ function DispatchRequest(url, action, payload, local_auth, remote_auth = null, c
         case CONST.ADD_CSV:
         case CONST.INSERT_TRIPLES:
             options.headers = options.headers ? options.headers : {}
-            options.headers['Content-Type'] = 'application/form-data'
+            options.headers['Content-Type'] = 'application/form-data; charset=utf-8'
             return axiosInstance
                 .put(url, payload, options)
                 .then(response => response.data)
@@ -119,7 +119,7 @@ function DispatchRequest(url, action, payload, local_auth, remote_auth = null, c
                 })
         case CONST.PUT:
             options.headers = options.headers ? options.headers : {}
-            options.headers['Content-Type'] = 'application/json'
+            options.headers['Content-Type'] = 'application/json; charset=utf-8'
             return axiosInstance
                 .put(url, payload, options)
                 .then(response => response.data)
@@ -133,7 +133,7 @@ function DispatchRequest(url, action, payload, local_auth, remote_auth = null, c
             options.headers['X-HTTP-Method-Override'] = 'GET'
         default:
             options.headers = options.headers ? options.headers : {}
-            options.headers['Content-Type'] = 'application/json'
+            options.headers['Content-Type'] = 'application/json; charset=utf-8'
             return axiosInstance
                 .post(url, payload, options)
                 .then(response => response.data)