Migrate AddNewLines to Storybook

ts/components/conversation/AddNewLines.stories.tsx

@@ -0,0 +1,57 @@
+import * as React from 'react';
+
+import { text } from '@storybook/addon-knobs';
+import { storiesOf } from '@storybook/react';
+
+import { AddNewLines, Props } from './AddNewLines';
+
+const story = storiesOf('Components/Conversation/AddNewLines', module);
+const createProps = (overrideProps: Partial<Props> = {}): Props => ({
+  renderNonNewLine: overrideProps.renderNonNewLine,
+  text: text('text', overrideProps.text || ''),
+});
+
+story.add('All newlines', () => {
+  const props = createProps({
+    text: '\n\n\n',
+  });
+
+  return <AddNewLines {...props} />;
+});
+
+story.add('Starting/Ending with Newlines', () => {
+  const props = createProps({
+    text: '\nSome text\n',
+  });
+
+  return <AddNewLines {...props} />;
+});
+
+story.add('Newlines in the Middle', () => {
+  const props = createProps({
+    text: 'Some\ntext',
+  });
+
+  return <AddNewLines {...props} />;
+});
+
+story.add('No Newlines', () => {
+  const props = createProps({
+    text: 'Some text',
+  });
+
+  return <AddNewLines {...props} />;
+});
+
+story.add('Custom Render Function', () => {
+  const props = createProps({
+    text: 'Some text',
+    renderNonNewLine: ({ text: theText, key }) => (
+      <div key={key} style={{ color: 'aquamarine' }}>
+        {theText}
+      </div>
+    ),
+  });
+
+  return <AddNewLines {...props} />;
+});