fix: assumption of existence of templateOptions

Closes #32

Author: Kamil Kisiela

src/helpers/index.js

@@ -69,7 +69,7 @@ export function ngModelAttrsTransformer(fields, condition, name, settings) {
         field.ngModelAttrs = {};
       }
 
-      if (typeof field.templateOptions[name] !== 'undefined') {
+      if (field.templateOptions && typeof field.templateOptions[name] !== 'undefined') {
         field.ngModelAttrs[name] = settings;
       }
     }

src/types/input/input.js

@@ -43,6 +43,7 @@ export default (formlyConfigProvider) => {
   formlyConfigProvider.extras.fieldTransform.push((fields) => {
     return ngModelAttrsTransformer(fields, (field) => (
       field.type === 'input' &&
+      field.templateOptions &&
       field.templateOptions.type === 'number'
     ), 'step', {
       attribute: 'step'

src/types/textarea/textarea.js

@@ -36,6 +36,7 @@ export default (formlyConfigProvider) => {
   formlyConfigProvider.extras.fieldTransform.push((fields) => {
     return ngModelAttrsTransformer(fields, (field) => (
       field.type === 'textarea' &&
+      field.templateOptions &&
       field.templateOptions.grow === false
     ), 'grow', {
       attribute: 'md-no-autogrow'