Fix file icon processing

Signed-off-by: Hans Kokx <[email protected]>

Author: hanskokx

bin/dexa.dart

@@ -21,7 +21,6 @@ part 'features/headers.dart';
 part 'features/modification_date.dart';
 part 'features/permissions.dart';
 part 'functions/gather_file_sizes.dart';
-part 'functions/get_mime_type.dart';
 part 'functions/handle_error.dart';
 part 'functions/list_directory_contents.dart';
 
@@ -84,6 +83,7 @@ void main(List<String> arguments) async {
       if (args.showFileTypeIcon) {
         final String fileToProcess = directory.path + currentFile;
         final FileSystemEntityType type = fileStat.type;
+
         output += showFileIcon(
           fileToProcess,
           type,

bin/features/file_icon.dart

@@ -6,7 +6,6 @@ String showFileIcon(
   bool showHeaders = false,
 }) {
   String output = '';
-  String? mimeType;
   String? icon;
   String? color;
 
@@ -18,17 +17,15 @@ String showFileIcon(
       // TODO: Handle this case.
       break;
     default:
-      mimeType = getMimeType(file);
-      if (mimeType != null) {
-        // We have a mime type, so let's check if it's in the list of known file types.
-        mimeType = mimeType.split('/')[1];
-        final Map? data = iconSet[mimeType];
+      final String mimeType =
+          lookupMimeType(file)?.split('/')[1] ?? file.split('.').last;
 
-        // The file type has been found in the list of known file types.
-        if (data != null) {
-          icon = data['icon'] as String?;
-          color = data['color'] as String?;
-        }
+      final Map<String, String>? data = iconSet[mimeType];
+
+      // The file type has been found in the list of known file types.
+      if (data != null) {
+        icon = data['icon'];
+        color = data['color'];
       }
       break;
   }

bin/functions/get_mime_type.dart

@@ -10,7 +10,7 @@ environment:
 dev_dependencies:
   flutter_lints: ^2.0.0
 dependencies:
-  args: ^2.2.0
-  intl: ^0.18.1
-  mime: ^1.0.1
+  args: ^2.4.0
+  intl: ^0.18.0
+  mime: ^1.0.0
   path: ^1.8.0