Add Dart and Flutter support

src/detectors/dart.rs

@@ -0,0 +1,121 @@
+// Copyright (C) 2025 Verseles
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, version 3 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+
+use super::{CommandSupport, CommandValidator, DetectedRunner, Ecosystem};
+use std::fs;
+use std::path::Path;
+use std::sync::Arc;
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+struct Pubspec {
+    dependencies: Option<serde_yaml::Value>,
+    dev_dependencies: Option<serde_yaml::Value>,
+    environment: Option<serde_yaml::Value>,
+}
+
+pub struct DartValidator;
+
+impl CommandValidator for DartValidator {
+    fn supports_command(&self, _working_dir: &Path, command: &str) -> CommandSupport {
+        static DART_BUILTIN: &[&str] = &[
+            "analyze", "build", "compile", "create", "doc", "fix", "format", "info", "install",
+            "pub", "run", "test",
+        ];
+
+        static FLUTTER_BUILTIN: &[&str] = &[
+            "analyze", "build", "channel", "clean", "config", "create", "devices", "doctor",
+            "downgrade", "drive", "emulators", "format", "gen-l10n", "install", "logs", "pub",
+            "run", "screenshot", "symbolize", "test", "upgrade",
+        ];
+
+        if DART_BUILTIN.contains(&command) || FLUTTER_BUILTIN.contains(&command) {
+            return CommandSupport::Supported;
+        }
+
+        CommandSupport::Unknown
+    }
+}
+
+pub fn detect(dir: &Path) -> Vec<DetectedRunner> {
+    let mut runners = Vec::new();
+    let pubspec_path = dir.join("pubspec.yaml");
+
+    if pubspec_path.exists() {
+        let is_flutter = if let Ok(content) = fs::read_to_string(&pubspec_path) {
+            if let Ok(pubspec) = serde_yaml::from_str::<Pubspec>(&content) {
+                let has_flutter_dep = pubspec.dependencies
+                    .as_ref()
+                    .map(|d| d.get("flutter").is_some())
+                    .unwrap_or(false);
+
+                let has_flutter_dev_dep = pubspec.dev_dependencies
+                    .as_ref()
+                    .map(|d| d.get("flutter").is_some())
+                    .unwrap_or(false);
+
+                let has_flutter_env = pubspec.environment
+                    .as_ref()
+                    .map(|e| e.get("flutter").is_some())
+                    .unwrap_or(false);
+
+                has_flutter_dep || has_flutter_dev_dep || has_flutter_env
+            } else {
+                false
+            }
+        } else {
+            false
+        };
+
+        let (name, priority) = if is_flutter {
+            ("flutter", 19)
+        } else {
+            ("dart", 19)
+        };
+
+        runners.push(DetectedRunner::with_validator(
+            name,
+            "pubspec.yaml",
+            Ecosystem::Dart,
+            priority,
+            Arc::new(DartValidator),
+        ));
+    }
+
+    runners
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::fs::File;
+    use std::io::Write;
+    use tempfile::tempdir;
+
+    #[test]
+    fn test_detect_dart() {
+        let dir = tempdir().unwrap();
+        File::create(dir.path().join("pubspec.yaml")).unwrap();
+        let runners = detect(dir.path());
+        assert_eq!(runners.len(), 1);
+        assert_eq!(runners[0].name, "dart");
+    }
+
+    #[test]
+    fn test_detect_flutter() {
+        let dir = tempdir().unwrap();
+        let mut file = File::create(dir.path().join("pubspec.yaml")).unwrap();
+        writeln!(file, "dependencies:\n  flutter:\n    sdk: flutter").unwrap();
+        let runners = detect(dir.path());
+        assert_eq!(runners.len(), 1);
+        assert_eq!(runners[0].name, "flutter");
+    }
+}

src/detectors/mod.rs

@@ -10,6 +10,7 @@
 // GNU Affero General Public License for more details.
 
 pub mod custom;
+pub mod dart;
 pub mod deno;
 pub mod dotnet;
 pub mod elixir;
@@ -244,6 +245,16 @@ impl DetectedRunner {
             // Zig ecosystem
             "zig" => vec!["zig".to_string(), "build".to_string(), task.to_string()],
 
+            // Dart ecosystem
+            "dart" => {
+                if task.ends_with(".dart") {
+                    vec!["dart".to_string(), "run".to_string(), task.to_string()]
+                } else {
+                    vec!["dart".to_string(), task.to_string()]
+                }
+            }
+            "flutter" => vec!["flutter".to_string(), task.to_string()],
+
             // Just command runner
             "just" => vec!["just".to_string(), task.to_string()],
 
@@ -278,6 +289,7 @@ pub enum Ecosystem {
     DotNet,
     Elixir,
     Swift,
+    Dart,
     Zig,
     Generic,
     Custom,
@@ -297,6 +309,7 @@ impl Ecosystem {
             Ecosystem::DotNet => ".NET",
             Ecosystem::Elixir => "Elixir",
             Ecosystem::Swift => "Swift",
+            Ecosystem::Dart => "Dart",
             Ecosystem::Zig => "Zig",
             Ecosystem::Generic => "Generic",
             Ecosystem::Custom => "Custom",
@@ -335,6 +348,7 @@ pub fn detect_all(dir: &Path, ignore_list: &[String]) -> Vec<DetectedRunner> {
     add_runners(dotnet::detect(dir)); // .NET (17)
     add_runners(elixir::detect(dir)); // Elixir (18)
     add_runners(swift::detect(dir)); // Swift (19)
+    add_runners(dart::detect(dir)); // Dart (19)
     add_runners(zig::detect(dir)); // Zig (20)
     add_runners(make::detect(dir)); // Make (21)