refactor(textarea): move grow to textarea def

use new ngModelAttrsTransformer instead of template manipulator

Author: Kamil Kisiela

src/runs/grow.js

@@ -1,4 +1,4 @@
 import theme from './theme';
-import grow from './grow';
+// import grow from './grow';
 
-export default [theme, grow];
+export default [theme];

src/runs/index.js

@@ -1,4 +1,5 @@
 import template from './textarea.html';
+import { ngModelAttrsTransformer } from './../../helpers';
 
 export default (formlyConfigProvider) => {
   formlyConfigProvider.setType({
@@ -26,4 +27,17 @@ export default (formlyConfigProvider) => {
       }
     })
   });
+
+  if (!angular.isArray(formlyConfigProvider.extras.fieldTransform)) {
+    formlyConfigProvider.extras.fieldTransform = [];
+  }
+
+  formlyConfigProvider.extras.fieldTransform.push((fields) => {
+    return ngModelAttrsTransformer(fields, (field) => (
+      field.type === 'textarea' &&
+      field.templateOptions.grow === false
+    ), 'grow', {
+      attribute: 'md-no-autogrow'
+    });
+  });
 };

src/types/textarea/textarea.js

@@ -1,2 +1 @@
 import './theme-spec';
-import './grow-spec';

tests/runs/grow-spec.js

@@ -64,6 +64,19 @@ describe('formlyMaterial - textarea type', () => {
     expect(label.html()).toContain(field.templateOptions.label);
   });
 
+  it('should not auto grow', function() {
+    expect(element.attr('md-no-autogrow')).toBeUndefined();
+  });
+
+  it('should be able to disable autogrowing', function() {
+    compile({
+      templateOptions: {
+        grow: false
+      }
+    });
+    expect(element.attr('md-no-autogrow')).toBeDefined();
+  });
+
   it('should have inputContainer wrapper', () => {
     expect(form.find('md-input-container').length).toBe(1);
   });