Adding HTTP status code for transformResponse (#4580)

* Adding HTTP status code for transformResponse

* refs #1214

* Fix wrong argument for tranformResponse

* Fix test wrong argument for tranformData

* Add test case for transformData

* Add test case for transformData (reference headers case)

Co-authored-by: Jay <jasonsaayman@gmail.com>

index.d.ts

@@ -10,7 +10,7 @@ export interface AxiosRequestTransformer {
 }
 
 export interface AxiosResponseTransformer {
-  (data: any, headers?: AxiosResponseHeaders): any;
+  (data: any, headers?: AxiosResponseHeaders, status?: number): any;
 }
 
 export interface AxiosAdapter {

lib/core/dispatchRequest.js

@@ -36,6 +36,7 @@ module.exports = function dispatchRequest(config) {
     config,
     config.data,
     config.headers,
+    null,
     config.transformRequest
   );
 
@@ -63,6 +64,7 @@ module.exports = function dispatchRequest(config) {
       config,
       response.data,
       response.headers,
+      response.status,
       config.transformResponse
     );
 
@@ -77,6 +79,7 @@ module.exports = function dispatchRequest(config) {
           config,
           reason.response.data,
           reason.response.headers,
+          reason.response.status,
           config.transformResponse
         );
       }

lib/core/transformData.js

@@ -8,14 +8,15 @@ var defaults = require('../defaults');
  *
  * @param {Object|String} data The data to be transformed
  * @param {Array} headers The headers for the request or response
+ * @param {Number} status HTTP status code
  * @param {Array|Function} fns A single function or Array of functions
  * @returns {*} The resulting transformed data
  */
-module.exports = function transformData(data, headers, fns) {
+module.exports = function transformData(data, headers, status, fns) {
   var context = this || defaults;
   /*eslint no-param-reassign:0*/
   utils.forEach(fns, function transform(fn) {
-    data = fn.call(context, data, headers);
+    data = fn.call(context, data, headers, status);
   });
 
   return data;

test/specs/core/transformData.spec.js

@@ -3,7 +3,7 @@ var transformData = require('../../../lib/core/transformData');
 describe('core::transformData', function () {
   it('should support a single transformer', function () {
     var data;
-    data = transformData(data, null, function (data) {
+    data = transformData(data, null, null, function (data) {
       data = 'foo';
       return data;
     });
@@ -13,7 +13,7 @@ describe('core::transformData', function () {
 
   it('should support an array of transformers', function () {
     var data = '';
-    data = transformData(data, null, [function (data) {
+    data = transformData(data, null, null, [function (data) {
       data += 'f';
       return data;
     }, function (data) {
@@ -26,5 +26,28 @@ describe('core::transformData', function () {
 
     expect(data).toEqual('foo');
   });
+
+  it('should support reference headers in transformData', function () {
+    var headers = {
+      'content-type': 'foo/bar',
+    };
+    var data = '';
+    data = transformData(data, headers, null, [function (data, headers) {
+      data += headers['content-type'];
+      return data;
+    }]);
+
+    expect(data).toEqual('foo/bar');
+  });
+
+  it('should support reference status code in transformData', function () {
+    var data = '';
+    data = transformData(data, null, 200, [function (data, headers, status) {
+      data += status;
+      return data;
+    }]);
+
+    expect(data).toEqual('200');
+  });
 });
 

test/unit/defaults/transformReponse.js

@@ -6,24 +6,24 @@ describe('transformResponse', function () {
     describe('200 request', function () {
         it('parses json', function () {
             var data = '{"message": "hello, world"}';
-            var result = transformData(data, {'content-type': 'application/json'}, defaults.transformResponse);
+            var result = transformData(data, {'content-type': 'application/json'}, 200, defaults.transformResponse);
             assert.strictEqual(result.message, 'hello, world');
         });
         it('ignores XML', function () {
             var data = '<message>hello, world</message>';
-            var result = transformData(data, {'content-type': 'text/xml'}, defaults.transformResponse);
+            var result = transformData(data, {'content-type': 'text/xml'}, 200, defaults.transformResponse);
             assert.strictEqual(result, data);
         });
     });
     describe('204 request', function () {
         it('does not parse the empty string', function () {
             var data = '';
-            var result = transformData(data, {'content-type': undefined}, defaults.transformResponse);
+            var result = transformData(data, {'content-type': undefined}, 204, defaults.transformResponse);
             assert.strictEqual(result, '');
         });
         it('does not parse undefined', function () {
             var data = undefined;
-            var result = transformData(data, {'content-type': undefined}, defaults.transformResponse);
+            var result = transformData(data, {'content-type': undefined}, 200, defaults.transformResponse);
             assert.strictEqual(result, data);
         });
     });