deno.land / x / deno@v1.28.2 / runtime / fs_util.rs
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_core::anyhow::Context;use deno_core::error::AnyError;pub use deno_core::normalize_path;use std::env::current_dir;use std::io::Error;use std::path::{Path, PathBuf};
/// Similar to `std::fs::canonicalize()` but strips UNC prefixes on Windows.pub fn canonicalize_path(path: &Path) -> Result<PathBuf, Error> { let mut canonicalized_path = path.canonicalize()?; if cfg!(windows) { canonicalized_path = PathBuf::from( canonicalized_path .display() .to_string() .trim_start_matches("\\\\?\\"), ); } Ok(canonicalized_path)}
#[inline]pub fn resolve_from_cwd(path: &Path) -> Result<PathBuf, AnyError> { if path.is_absolute() { Ok(normalize_path(path)) } else { let cwd = current_dir().context("Failed to get current working directory")?; Ok(normalize_path(&cwd.join(path))) }}
#[cfg(test)]mod tests { use super::*;
#[test] fn resolve_from_cwd_child() { let cwd = current_dir().unwrap(); assert_eq!(resolve_from_cwd(Path::new("a")).unwrap(), cwd.join("a")); }
#[test] fn resolve_from_cwd_dot() { let cwd = current_dir().unwrap(); assert_eq!(resolve_from_cwd(Path::new(".")).unwrap(), cwd); }
#[test] fn resolve_from_cwd_parent() { let cwd = current_dir().unwrap(); assert_eq!(resolve_from_cwd(Path::new("a/..")).unwrap(), cwd); }
#[test] fn test_normalize_path() { assert_eq!(normalize_path(Path::new("a/../b")), PathBuf::from("b")); assert_eq!(normalize_path(Path::new("a/./b/")), PathBuf::from("a/b/")); assert_eq!( normalize_path(Path::new("a/./b/../c")), PathBuf::from("a/c") );
if cfg!(windows) { assert_eq!( normalize_path(Path::new("C:\\a\\.\\b\\..\\c")), PathBuf::from("C:\\a\\c") ); } }
// TODO: Get a good expected value here for Windows. #[cfg(not(windows))] #[test] fn resolve_from_cwd_absolute() { let expected = Path::new("/a"); assert_eq!(resolve_from_cwd(expected).unwrap(), expected); }}
Version Info