feat: colorize thrown error

Author: chenasraf

bin/script_runner.dart

@@ -1,8 +1,15 @@
 import 'package:script_runner/src/base.dart';
+import 'package:script_runner/src/utils.dart';
 
 /// Main entrypoint for CMD script runner.
 Future<void> main(List<String> args) async {
   final scriptCmd = args.first;
   final scriptArgs = args.sublist(1);
-  return runScript(scriptCmd, scriptArgs);
+  try {
+    print('Running script: $scriptCmd $scriptArgs');
+    await runScript(scriptCmd, scriptArgs);
+  } catch (e) {
+    printColor('$e', [TerminalColor.red]);
+  }
 }
+

lib/src/runnable_script.dart

@@ -65,21 +65,24 @@ class RunnableScript {
   }) : _fileSystem = fileSystem ?? LocalFileSystem();
 
   /// Generate a runnable script from a yaml loaded map as defined in the config.
-  factory RunnableScript.fromYamlMap(yaml.YamlMap map, {FileSystem? fileSystem}) {
+  factory RunnableScript.fromYamlMap(yaml.YamlMap map,
+      {FileSystem? fileSystem}) {
     final out = <String, dynamic>{};
 
     if (map['name'] == null && map.keys.length == 1) {
       out['name'] = map.keys.first;
       out['cmd'] = map.values.first;
     } else {
       out.addAll(map.cast<String, dynamic>());
-      out['args'] = (map['args'] as yaml.YamlList?)?.map((e) => e.toString()).toList();
+      out['args'] =
+          (map['args'] as yaml.YamlList?)?.map((e) => e.toString()).toList();
       out['env'] = (map['env'] as yaml.YamlMap?)?.cast<String, String>();
     }
     try {
       return RunnableScript.fromMap(out, fileSystem: fileSystem);
     } catch (e) {
-      throw StateError('Failed to parse script, arguments: $map, $fileSystem. Error: $e');
+      throw StateError(
+          'Failed to parse script, arguments: $map, $fileSystem. Error: $e');
     }
   }
 
@@ -109,7 +112,8 @@ class RunnableScript {
         appendNewline: appendNewline,
       );
     } catch (e) {
-      throw StateError('Failed to parse script, arguments: $map, $fileSystem. Error: $e');
+      throw StateError(
+          'Failed to parse script, arguments: $map, $fileSystem. Error: $e');
     }
   }
 
@@ -148,6 +152,8 @@ class RunnableScript {
         );
         throw e;
       }
+    } catch (e) {
+      rethrow;
     } finally {
       await _fileSystem.file(scrPath).delete();
     }
@@ -169,7 +175,8 @@ class RunnableScript {
     return exitCode;
   }
 
-  String _getScriptPath() => _fileSystem.path.join(_fileSystem.systemTempDirectory.path, 'script_runner_$name.sh');
+  String _getScriptPath() => _fileSystem.path
+      .join(_fileSystem.systemTempDirectory.path, 'script_runner_$name.sh');
 
   String _getScriptContents(
     ScriptRunnerConfig config, {
@@ -185,8 +192,12 @@ class RunnableScript {
         ].join('\n');
       case OS.linux:
       case OS.macos:
-        return [...preloadScripts.map((e) => "[[ ! \$(which ${e.name}) ]] && alias ${e.name}='scr ${e.name}'"), script]
-            .join('\n');
+        return [
+          ...preloadScripts.map((e) =>
+              "[[ ! \$(which ${e.name}) ]] && alias ${e.name}='scr ${e.name}'"),
+          script
+        ].join('\n');
     }
   }
 }
+

lib/src/utils.dart

@@ -60,6 +60,13 @@ List<String> chunks(
   final chunks = <String>[];
   var chunk = '';
   for (final word in words) {
+    // if (chunk.contains('\n')) {
+    //   final lines = chunk.split('\n');
+    //   for (var i = 0; i < lines.length - 1; i++) {
+    //     chunks.add(wrapLine(lines[i]));
+    //   }
+    //   chunk = '';
+    // }
     final chunkLength = stripColors ? stripColor(chunk).length : chunk.length;
     final wordLength = stripColors ? stripColor(word).length : word.length;
     if (chunkLength + wordLength > maxLen) {
@@ -127,3 +134,4 @@ class TerminalColor {
   static const TerminalColor bold = TerminalColor._(1);
   static const TerminalColor underline = TerminalColor._(4);
 }
+

pubspec.yaml

@@ -50,6 +50,13 @@ script_runner:
     - name: combined
       cmd: echo 'test' && echo1 && echo2
     - short: echo 'this is a short script'
+    - name: error
+      cmd: |-
+        _fn() {
+          return 1
+        }
+        _fn
+      description: imitate error
 
 executables:
   scr: script_runner