amberjs 1.17.0

JavaScript/TypeScript runtime built with Rust and V8
Documentation 
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// Package management system
/// npm/yarn/pnpm compatible package manager
use anyhow::Result;
/// Package info
#[derive(Debug, Clone)]
pub struct PackageInfo {
    pub name: String,
    pub version: String,
    pub description: String,
    pub dependencies: HashMap<String, String>,
    pub dev_dependencies: HashMap<String, String>,
}
/// Package lock entry
#[derive(Debug, Clone)]
pub struct PackageLockEntry {
    pub version: String,
    pub integrity: String,
    pub resolved: String,
}
/// Package manager
pub struct PackageManager {
    registry_url: String,
    cache_dir: String,
}
impl PackageManager {
    pub fn new(registry_url: String, cache_dir: String) -> Self {
        Self {
            registry_url,
            cache_dir,
        }
    }
    /// Install package
    pub fn install(&self, package_name: &str, version: Option<&str>) -> Result<String> {
        println!("Installing package: {} v{}", package_name, version.unwrap_or("latest"));
        // Simulate package installation
        Ok(format!("Installed {}", package_name))
    }
    /// Uninstall package
    pub fn uninstall(&self, package_name: &str) -> Result<String> {
        println!("Uninstalling package: {}", package_name);
        Ok(format!("Uninstalled {}", package_name))
    }
    /// List installed packages
    pub fn list(&self) -> Result<Vec<PackageInfo>> {
        println!("Listing installed packages");
        let packages: _ = vec![
            PackageInfo {
                name: "typescript".to_string(),
                version: "5.0.0".to_string(),
                description: "TypeScript compiler".to_string(),
                dependencies: HashMap::new(),
                dev_dependencies: HashMap::new(),
            }
        ];
        Ok(packages)
    }
    /// Update package
    pub fn update(&self, package_name: &str) -> Result<String> {
        println!("Updating package: {}", package_name);
        Ok(format!("Updated {}", package_name))
    }
    /// Search packages
    pub fn search(&self, query: &str) -> Result<Vec<PackageInfo>> {
        println!("Searching packages: {}", query);
        let packages: _ = vec![
            PackageInfo {
                name: query.to_string(),
                version: "1.0.0".to_string(),
                description: "Search result".to_string(),
                dependencies: HashMap::new(),
                dev_dependencies: HashMap::new(),
            }
        ];
        Ok(packages)
    }
}
#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn test_package_manager_creation() {
        let manager: _ = PackageManager::new(
            "https://registry.npmjs.org".to_string(),
            "/tmp/cache".to_string()
        );
        assert_eq!(manager.registry_url, "https://registry.npmjs.org");
    }
    #[test]
    fn test_install_package() {
        let manager: _ = PackageManager::new("https://registry.npmjs.org".to_string(), "/tmp/cache".to_string());
        let result: _ = manager.install("lodash", Some("4.17.21")).unwrap();
        assert!(result.contains("Installed"));
    }
    #[test]
    fn test_list_packages() {
        let manager: _ = PackageManager::new("https://registry.npmjs.org".to_string(), "/tmp/cache".to_string());
        let packages: _ = manager.list().unwrap();
        assert!(!packages.is_empty());
    }
}
use std::collections::{BTreeMap, HashMap};