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denoland-deno/ext/node/path.rs
2024-01-01 19:58:21 +00:00

50 lines
1.4 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use std::path::Component;
use std::path::Path;
use std::path::PathBuf;
use deno_core::ModuleSpecifier;
/// Extension to path_clean::PathClean
pub trait PathClean<T> {
fn clean(&self) -> T;
}
impl PathClean<PathBuf> for PathBuf {
fn clean(&self) -> PathBuf {
let path = path_clean::PathClean::clean(self);
if cfg!(windows) && path.to_string_lossy().contains("..\\") {
// temporary workaround because path_clean::PathClean::clean is
// not good enough on windows
let mut components = Vec::new();
for component in path.components() {
match component {
Component::CurDir => {
// skip
}
Component::ParentDir => {
let maybe_last_component = components.pop();
if !matches!(maybe_last_component, Some(Component::Normal(_))) {
panic!("Error normalizing: {}", path.display());
}
}
Component::Normal(_) | Component::RootDir | Component::Prefix(_) => {
components.push(component);
}
}
}
components.into_iter().collect::<PathBuf>()
} else {
path
}
}
}
pub(crate) fn to_file_specifier(path: &Path) -> ModuleSpecifier {
match ModuleSpecifier::from_file_path(path) {
Ok(url) => url,
Err(_) => panic!("Invalid path: {}", path.display()),
}
}