add dynamic omit example

Author: jbetancur

stories/DataTable/Basic/OmitColumnDynamic.stories.js

@@ -0,0 +1,42 @@
+import React from 'react';
+import { storiesOf } from '@storybook/react';
+import data from '../constants/sampleMovieData';
+import DataTable from '../../../src/index';
+import Button from '../shared/Button';
+
+const OmitColumnTable = () => {
+  const [hideDirector, setHideDirector] = React.useState(false);
+
+  const columns = React.useMemo(() => [
+    {
+      name: 'Title',
+      selector: 'title',
+      sortable: true,
+    },
+    {
+      name: 'Director',
+      selector: 'director',
+      sortable: true,
+      omit: hideDirector,
+    },
+    {
+      name: 'Year',
+      selector: 'year',
+      sortable: true,
+    },
+  ], [hideDirector]);
+
+  return (
+    <>
+      <Button onClick={() => setHideDirector(!hideDirector)}>Hide Directory Column</Button>
+      <DataTable
+        title="Movie List"
+        columns={columns}
+        data={data}
+      />
+    </>
+  );
+};
+
+storiesOf('General', module)
+  .add('Omit Column Dynamically', OmitColumnTable);