Loader migrated to TS #1002 (#1056)

* Loader component mirated to TS

* Default props for loader component

* Default value for type prop

packages/ui/lib/components/Loader/index.js → packages/ui/lib/components/Loader/index.tsx

@@ -1,15 +1,20 @@
 import React from 'react';
-import PropTypes from 'prop-types';
 import cx from 'classnames';
 
 import common from '../../common.scss';
 import styles from './styles.scss';
 
-const Loader = props => {
+type LoaderProps = {
+  type: string;
+}
+
+const Loader: React.FC<LoaderProps> = ({
+  type='default'
+}) => {
   return (
     <span className={cx(
       common.nuclear,
-      props.type,
+      type,
       styles.loader
     )}>
       <span />
@@ -20,12 +25,4 @@ const Loader = props => {
   );
 };
 
-Loader.propTypes = {
-  type: PropTypes.string
-};
-
-Loader.defaultProps = {
-  type: 'default'
-};
-
 export default Loader;