mirror of
https://github.com/denoland/deno.git
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2f651b2d64
This commit changes how paths for npm packages are handled, by canonicalizing them when resolving. This is done so that instead of returning "node_modules/<package_name>@<version>/node_modules/<dep>/index.js" (which is a symlink) we "node_modules/<dep>@<dep_version>/index.js. Fixes https://github.com/denoland/deno/issues/18924 Fixes https://github.com/bluwy/create-vite-extra/issues/31 --------- Co-authored-by: David Sherret <dsherret@gmail.com>
91 lines
2.5 KiB
Rust
91 lines
2.5 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use std::path::PathBuf;
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#[cfg(not(windows))]
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#[inline]
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pub fn strip_unc_prefix(path: PathBuf) -> PathBuf {
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path
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}
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/// Strips the unc prefix (ex. \\?\) from Windows paths.
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#[cfg(windows)]
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pub fn strip_unc_prefix(path: PathBuf) -> PathBuf {
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use std::path::Component;
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use std::path::Prefix;
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let mut components = path.components();
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match components.next() {
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Some(Component::Prefix(prefix)) => {
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match prefix.kind() {
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// \\?\device
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Prefix::Verbatim(device) => {
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let mut path = PathBuf::new();
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path.push(format!(r"\\{}\", device.to_string_lossy()));
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path.extend(components.filter(|c| !matches!(c, Component::RootDir)));
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path
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}
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// \\?\c:\path
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Prefix::VerbatimDisk(_) => {
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let mut path = PathBuf::new();
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path.push(prefix.as_os_str().to_string_lossy().replace(r"\\?\", ""));
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path.extend(components);
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path
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}
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// \\?\UNC\hostname\share_name\path
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Prefix::VerbatimUNC(hostname, share_name) => {
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let mut path = PathBuf::new();
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path.push(format!(
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r"\\{}\{}\",
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hostname.to_string_lossy(),
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share_name.to_string_lossy()
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));
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path.extend(components.filter(|c| !matches!(c, Component::RootDir)));
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path
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}
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_ => path,
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}
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}
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_ => path,
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}
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}
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#[cfg(test)]
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mod test {
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#[cfg(windows)]
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#[test]
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fn test_strip_unc_prefix() {
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use std::path::PathBuf;
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run_test(r"C:\", r"C:\");
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run_test(r"C:\test\file.txt", r"C:\test\file.txt");
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run_test(r"\\?\C:\", r"C:\");
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run_test(r"\\?\C:\test\file.txt", r"C:\test\file.txt");
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run_test(r"\\.\C:\", r"\\.\C:\");
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run_test(r"\\.\C:\Test\file.txt", r"\\.\C:\Test\file.txt");
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run_test(r"\\?\UNC\localhost\", r"\\localhost");
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run_test(r"\\?\UNC\localhost\c$\", r"\\localhost\c$");
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run_test(
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r"\\?\UNC\localhost\c$\Windows\file.txt",
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r"\\localhost\c$\Windows\file.txt",
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);
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run_test(r"\\?\UNC\wsl$\deno.json", r"\\wsl$\deno.json");
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run_test(r"\\?\server1", r"\\server1");
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run_test(r"\\?\server1\e$\", r"\\server1\e$\");
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run_test(
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r"\\?\server1\e$\test\file.txt",
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r"\\server1\e$\test\file.txt",
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);
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fn run_test(input: &str, expected: &str) {
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assert_eq!(
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super::strip_unc_prefix(PathBuf::from(input)),
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PathBuf::from(expected)
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);
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}
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}
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}
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