deno.land / x / deno@v1.28.2 / core / normalize_path.rs

normalize_path.rs
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use std::path::Component;use std::path::Path;use std::path::PathBuf;
/// Normalize all intermediate components of the path (ie. remove "./" and "../" components)./// Similar to `fs::canonicalize()` but doesn't resolve symlinks.////// Taken from Cargo/// <https://github.com/rust-lang/cargo/blob/af307a38c20a753ec60f0ad18be5abed3db3c9ac/src/cargo/util/paths.rs#L60-L85>#[inline]pub fn normalize_path<P: AsRef<Path>>(path: P) -> PathBuf { let mut components = path.as_ref().components().peekable(); let mut ret = if let Some(c @ Component::Prefix(..)) = components.peek().cloned() { components.next(); PathBuf::from(c.as_os_str()) } else { PathBuf::new() };
for component in components { match component { Component::Prefix(..) => unreachable!(), Component::RootDir => { ret.push(component.as_os_str()); } Component::CurDir => {} Component::ParentDir => { ret.pop(); } Component::Normal(c) => { ret.push(c); } } } ret}
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a year ago