add bun support

src/scaffold/web_app/package_manager.rs

@@ -10,6 +10,7 @@ use crate::{
 
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq)]
 pub enum PackageManager {
+ Bun,
  #[default]
  Npm,
  Pnpm,
@@ -19,6 +20,7 @@ pub enum PackageManager {
 impl PackageManager {
  pub fn choose() -> ScaffoldResult<PackageManager> {
  let managers = [
+ PackageManager::Bun,
  PackageManager::Npm,
  PackageManager::Yarn,
  PackageManager::Pnpm,
@@ -41,14 +43,16 @@ impl PackageManager {
 
  pub fn install_script(&self) -> String {
  match self {
- PackageManager::Npm => format!("npm install"),
- PackageManager::Pnpm => format!("pnpm add"),
- PackageManager::Yarn => format!("yarn add"),
+ PackageManager::Bun => "bun install".to_string(),
+ PackageManager::Npm => "npm install".to_string(),
+ PackageManager::Pnpm => "pnpm add".to_string(),
+ PackageManager::Yarn => "yarn add".to_string(),
  }
  }
 
  pub fn run_script(&self, script: &str) -> String {
  match self {
+ PackageManager::Bun => format!("bun run {script}"),
  PackageManager::Npm => format!("npm run {script}"),
  PackageManager::Pnpm => format!("pnpm run {script}"),
  PackageManager::Yarn => format!("yarn {script}"),
@@ -57,6 +61,7 @@ impl PackageManager {
 
  pub fn run_workspace_script(&self, workspace: &str, script: &str) -> String {
  match self {
+ PackageManager::Bun => format!("bun run --filter {workspace} {script}"),
  PackageManager::Npm => format!("npm run {script} --workspace {workspace}"),
  PackageManager::Yarn => format!("yarn workspace {workspace} {script}"),
  PackageManager::Pnpm => format!("pnpm run {script} --filter {workspace}"),
@@ -67,8 +72,9 @@ impl PackageManager {
 impl std::fmt::Display for PackageManager {
  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
  let str = match self {
+ PackageManager::Bun => "bun".truecolor(139, 69, 19),
  PackageManager::Npm => "npm".bright_red(),
- PackageManager::Pnpm => "pnpm".red().on_yellow(),
+ PackageManager::Pnpm => "pnpm".red().yellow(),
  PackageManager::Yarn => "yarn".cyan(),
  };
  write!(f, "{str}")
@@ -80,6 +86,7 @@ impl std::str::FromStr for PackageManager {
 
  fn from_str(s: &str) -> ScaffoldResult<PackageManager> {
  match s.to_ascii_lowercase().as_str() {
+ "bun" => Ok(PackageManager::Bun),
  "npm" => Ok(PackageManager::Npm),
  "pnpm" => Ok(PackageManager::Pnpm),
  "yarn" => Ok(PackageManager::Yarn),
@@ -94,16 +101,19 @@ impl TryFrom<&FileTree> for PackageManager {
  type Error = ScaffoldError;
 
  fn try_from(app_file_tree: &FileTree) -> ScaffoldResult<PackageManager> {
+ let bun_lockfile = Path::new("bun.lockb");
  let npm_lockfile = Path::new("package-lock.json");
  let yarn_lockfile = Path::new("yarn.lock");
  let pnpm_lockfile = Path::new("pnpm-lock.yaml");
 
- if PackageManager::lockfile_exists(app_file_tree, &npm_lockfile) {
+ if PackageManager::lockfile_exists(app_file_tree, bun_lockfile) {
+ Ok(PackageManager::Bun)
+ } else if PackageManager::lockfile_exists(app_file_tree, npm_lockfile) {
  Ok(PackageManager::Npm)
- } else if PackageManager::lockfile_exists(app_file_tree, &yarn_lockfile) {
- Ok(PackageManager::Yarn)
- } else if PackageManager::lockfile_exists(app_file_tree, &pnpm_lockfile) {
+ } else if PackageManager::lockfile_exists(app_file_tree, pnpm_lockfile) {
  Ok(PackageManager::Pnpm)
+ } else if PackageManager::lockfile_exists(app_file_tree, yarn_lockfile) {
+ Ok(PackageManager::Yarn)
  } else {
  PackageManager::choose()
  }
@@ -127,6 +137,13 @@ mod tests {
  }
  }
 
+ #[test]
+ fn test_try_from_file_tree_bun() {
+ let app_file_tree = setup_file_tree_with_lockfile("bun.lockb");
+ let package_manager = PackageManager::try_from(&app_file_tree).unwrap();
+ assert_eq!(package_manager, PackageManager::Bun);
+ }
+
  #[test]
  fn test_try_from_file_tree_npm() {
  let app_file_tree = setup_file_tree_with_lockfile("package-lock.json");