Addressing code review comments

Author: Stephen Carraway

src/input/input.directive.ts

@@ -18,12 +18,3 @@ export class TextInput {
 	@HostBinding("class") inputClass = "bx--text-input";
 }
 
-
-@Directive({
-	selector: "[ibmTextArea]"
-})
-export class TextAreaInput {
-	@HostBinding("class.bx--text-area") baseClass = true;
-	@HostBinding("class.bx--text-area--v2") secondaryClass = true;
-}
-

src/input/input.module.ts

@@ -5,18 +5,19 @@ import { CommonModule } from "@angular/common";
 
 // imports
 import { LabelComponent } from "./label.component";
-import { TextInput, TextAreaInput } from "./input.directive";
+import { TextInput } from "./input.directive";
+import { TextArea } from "./text-area.directive";
 
 @NgModule({
 	declarations: [
 		LabelComponent,
 		TextInput,
-		TextAreaInput
+		TextArea
 	],
 	exports: [
 		LabelComponent,
 		TextInput,
-		TextAreaInput
+		TextArea
 	],
 	imports: [
 		CommonModule,

src/input/input.stories.ts

@@ -24,6 +24,6 @@ storiesOf("Input", module).addDecorator(
 		`
 	})).add("TextArea", () => ({
 		template: `
-		<textarea ibmTextArea placeholder="Optional placeholder text"></textarea>
+		<textarea ibmTextArea placeholder="Optional placeholder text" rows="4" cols="50"></textarea>
 		`
 	}));

src/input/text-area.directive.ts

@@ -0,0 +1,19 @@
+import { Directive, HostBinding } from "@angular/core";
+
+/**
+ * A directive for applying styling to a textarea element.
+ *
+ * Example:
+ *
+ * ```hmtl
+ * <textarea ibmTextArea></textarea>
+ * ```
+ *
+ * See the [vanilla carbon docs](http://www.carbondesignsystem.com/components/text-input/code) for more detail.
+ */
+@Directive({
+	selector: "[ibmTextArea]"
+})
+export class TextArea {
+	@HostBinding("class.bx--text-area") baseClass = true;
+}