Merge pull request #126 from DimitrisRK/custom-validation-fix

Author: larrybotha

lib/create-form.js

@@ -115,7 +115,7 @@ export const createForm = (config) => {
         return Promise.resolve()
           .then(() => validateFunction(values))
           .then((error) => {
-            if (util.isEmpty(error)) {
+            if (util.isNullish(error) || util.getValues(error).length === 0) {
               clearErrorsAndSubmit(values);
             } else {
               errors.set(error);

lib/util.js

@@ -1,13 +1,13 @@
 import {dequal as isEqual} from 'dequal/lite';
 
 function subscribeOnce(observable) {
-  return new Promise(resolve => {
+  return new Promise((resolve) => {
     observable.subscribe(resolve)(); // immediately invoke to unsubscribe
   });
 }
 
 function update(object, path, value) {
-  object.update(o => {
+  object.update((o) => {
     set(o, path, value);
     return o;
   });
@@ -54,7 +54,7 @@ function getErrorsFromSchema(initialValues, schema, errors = {}) {
       case schema[key].type === 'array': {
         const values =
           initialValues && initialValues[key] ? initialValues[key] : [];
-        errors[key] = values.map(value =>
+        errors[key] = values.map((value) =>
           getErrorsFromSchema(
             value,
             schema[key].innerType.fields,
@@ -77,7 +77,7 @@ const deepEqual = isEqual;
 
 function assignDeep(object, value) {
   if (Array.isArray(object)) {
-    return object.map(o => assignDeep(o, value));
+    return object.map((o) => assignDeep(o, value));
   }
   const copy = {};
   for (const key in object) {