refactor: clean up code

Author: girishpanchal30

includes/admin/feedzy-rss-feeds-admin.php

@@ -1138,11 +1138,6 @@ public function feedzy_category_columns( $columns ) {
 		}
 
 		$new_columns = $this->array_insert_before( 'slug', $columns, 'source', __( 'Source', 'feedzy-rss-feeds' ) );
-		if ( $new_columns ) {
-			$columns = $new_columns;
-		} else {
-			$columns['Source'] = __( 'source', 'feedzy-rss-feeds' );
-		}
 
 		return $columns;
 	}
@@ -1191,7 +1186,7 @@ public function manage_feedzy_category_columns( $column, $post_id ) {
 			case 'source':
 				$src = get_post_meta( $post_id, 'feedzy_category_feed', true );
 				if ( empty( $src ) ) {
-							$src = __( 'No Source Configured', 'feedzy-rss-feeds' );
+					$src = __( 'No Source Configured', 'feedzy-rss-feeds' );
 				} else {
 					$urls = $this->normalize_urls( $src );
 					$src  = '';

includes/feedzy-rss-feeds-activator.php

@@ -82,7 +82,15 @@ public static function add_feeds_group() {
 
 		$news_group = wp_insert_post( $group_args );
 
-		$feed_groups = 'https://themeisle.com/blog/feed/, https://wptavern.com/feed/, https://www.wpbeginner.com/feed/, https://wpshout.com/feed/, https://planet.wordpress.org/feed/';
+		$default_feed_urls = array(
+			'https://themeisle.com/blog/feed/',
+			'https://wptavern.com/feed/',
+			'https://www.wpbeginner.com/feed/',
+			'https://wpshout.com/feed/',
+			'https://planet.wordpress.org/feed/',
+		);
+
+		$feed_groups = implode( ', ', array_map( 'esc_url', $default_feed_urls ) );
 
 		add_post_meta( $news_group, 'feedzy_category_feed', $feed_groups );
 

js/categories.js

@@ -37,16 +37,12 @@
     // validate feeds group.
     function validateFeeds() {
         $('#feedzy_category_feeds textarea[name="feedzy_category_feed"]').on('input', function() {
-            if ($(this).val().length < 1) {
-                $('.validate-feeds').attr('disabled', true);
-            } else {
-                $('.validate-feeds').attr('disabled', false);
-            }
+            $('.validate-feeds').attr('disabled', 1 > $(this).val().length );
         });
 
         $('#feedzy_category_feeds .button.validate-feeds').on('click', function(e) {
             e.preventDefault();
-            var button = $(this);
+            const button = $(this);
             button.attr('disabled', true);
             $('#feedzy_category_feeds .spinner').addClass('is-active');
             $.ajax({