improved processSubmitErrors to render errors for every children in e…

…rrors tree

src/processSubmitErrors.js

@@ -1,18 +1,32 @@
 import { SubmissionError } from 'redux-form'
+import _ from 'lodash' // added for empty check
 
-const processSubmitErrors = response => {
-    let errors = {}
-    if (response.hasOwnProperty('errors')) {
-        for (let field in response.errors.children) {
-            let value = response.errors.children[field]
-            if (value.hasOwnProperty('errors'))  {
-                errors[field] = value.errors[0]
+const convertToReduxFormErrors = (obj) => { 
+
+    let objectWithoutChildrenAndFalseErrors = {}
+    Object.keys(obj).map( (name) => {
+            if(name === 'children'){
+                objectWithoutChildrenAndFalseErrors = { ...objectWithoutChildrenAndFalseErrors, ...convertToReduxFormErrors(obj[name])}
+            }else{
+                if( obj[name].hasOwnProperty('children')){ // if children, take field from it and set them directly as own field
+                    objectWithoutChildrenAndFalseErrors[name] = convertToReduxFormErrors(obj[name])  
+                }else{
+                    if( obj[name].hasOwnProperty('errors') && !_.isEmpty(obj[name]['errors']) ){  // using lodash for empty error check, dont add them if empty
+                       objectWithoutChildrenAndFalseErrors[name] = obj[name]['errors']
+                    } 
+                } 
             }
-        }
-        throw new SubmissionError(errors)
+        }  
+    )
+    return objectWithoutChildrenAndFalseErrors
+}
 
+const processSubmitErrors = (errors) => {
+    if(errors.hasOwnProperty('errors')){
+        errors = convertToReduxFormErrors(errors.errors)
+        throw new SubmissionError(errors)  
     }
-    return {}
+    return {} // dont know why original processSubmitErrors return empty object, keep this to prevent any BC break
 }
 
 export default processSubmitErrors