enable svg uploads

functions.php

@@ -31,6 +31,30 @@ function custom_wp_theme_json_default( $theme_json ) {
 }
 add_filter( 'wp_theme_json_data_default', 'custom_wp_theme_json_default' );
 
+// enable svg uploads
+add_filter( 'wp_check_filetype_and_ext', function($data, $file, $filename, $mimes) {
+
+  global $wp_version;
+  if ( $wp_version !== '4.7.1' ) {
+     return $data;
+  }
+
+  $filetype = wp_check_filetype( $filename, $mimes );
+
+  return [
+      'ext'             => $filetype['ext'],
+      'type'            => $filetype['type'],
+      'proper_filename' => $data['proper_filename']
+  ];
+
+}, 10, 4 );
+function cc_mime_types($mimes) {
+  $mimes['svg'] = 'image/svg+xml';
+  return $mimes;
+}
+add_filter('upload_mimes', 'cc_mime_types');
+
+// define block styles
 function jett_block_styles() {
 	register_block_style(
 		'core/heading',