wasm-sandbox 0.4.1

A secure WebAssembly sandbox with dead-simple ease of use, progressive complexity APIs, and comprehensive safety controls
Documentation 
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//! Utility functions and helpers

use std::path::Path;
use crate::error::Result;

/// Check if a file exists
pub fn file_exists(path: &Path) -> bool {
    path.exists() && path.is_file()
}

/// Check if a directory exists
pub fn dir_exists(path: &Path) -> bool {
    path.exists() && path.is_dir()
}

/// Create a directory if it doesn't exist
pub fn ensure_dir_exists(path: &Path) -> Result<()> {
    if !path.exists() {
        std::fs::create_dir_all(path)
            .map_err(|e| crate::error::Error::Filesystem { 
                operation: "create_directory".to_string(), 
                path: path.to_path_buf(),
                reason: e.to_string() 
            })?;
    }
    Ok(())
}

/// Get a temporary directory
pub fn temp_dir() -> Result<tempfile::TempDir> {
    tempfile::tempdir()
        .map_err(|e| crate::error::Error::Filesystem { 
            operation: "create_temp_directory".to_string(), 
            path: std::env::temp_dir(),
            reason: e.to_string() 
        })
}

/// Get a random string
pub fn random_string(len: usize) -> String {
    use rand::{Rng, rng};
    use rand::distr::Alphanumeric;
    
    rng()
        .sample_iter(&Alphanumeric)
        .take(len)
        .map(char::from)
        .collect()
}

pub mod manifest;
pub mod logging;