feat(textarea): grow options

equivalent to md-no-autogrow.

When present, textareas will not grow automatically.

Author: Kamil Kisiela

src/runs/index.js

@@ -1,3 +1,4 @@
 import mdThemeManipulator from './md-theme-manipulator';
+import mdNoAutogrow from './md-no-autogrow';
 
-export default [mdThemeManipulator];
+export default [mdThemeManipulator, mdNoAutogrow];

src/runs/md-no-autogrow.js

@@ -0,0 +1,17 @@
+import {ngModelAttrsManipulator} from './../helpers/index.js';
+
+export default (formlyConfigProvider) => {
+  formlyConfigProvider.templateManipulators.preWrapper.push((template, options) => {
+    if (!angular.isDefined(options.templateOptions.grow)) {
+      return template;
+    }
+    if(options.templateOptions.grow !== false) {
+      return template;
+    }
+    if (!angular.isDefined(options.type) || options.type !== 'textarea') {
+      return template;
+    }
+
+    return ngModelAttrsManipulator(template, options, 'md-no-autogrow');
+  });
+}