mirror of
https://github.com/denoland/deno.git
synced 2024-12-23 07:44:48 -05:00
528 lines
16 KiB
Rust
528 lines
16 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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use deno_core::error::AnyError;
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use deno_core::error::Context;
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pub use deno_core::normalize_path;
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use deno_core::ModuleSpecifier;
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use deno_runtime::deno_crypto::rand;
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use std::env::current_dir;
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use std::fs::OpenOptions;
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use std::io::{Error, Write};
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use std::path::{Path, PathBuf};
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use walkdir::WalkDir;
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pub fn atomic_write_file<T: AsRef<[u8]>>(
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filename: &Path,
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data: T,
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mode: u32,
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) -> std::io::Result<()> {
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let rand: String = (0..4)
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.map(|_| format!("{:02x}", rand::random::<u8>()))
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.collect();
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let extension = format!("{}.tmp", rand);
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let tmp_file = filename.with_extension(extension);
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write_file(&tmp_file, data, mode)?;
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std::fs::rename(tmp_file, filename)?;
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Ok(())
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}
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pub fn write_file<T: AsRef<[u8]>>(
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filename: &Path,
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data: T,
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mode: u32,
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) -> std::io::Result<()> {
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write_file_2(filename, data, true, mode, true, false)
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}
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pub fn write_file_2<T: AsRef<[u8]>>(
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filename: &Path,
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data: T,
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update_mode: bool,
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mode: u32,
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is_create: bool,
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is_append: bool,
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) -> std::io::Result<()> {
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let mut file = OpenOptions::new()
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.read(false)
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.write(true)
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.append(is_append)
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.truncate(!is_append)
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.create(is_create)
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.open(filename)?;
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if update_mode {
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#[cfg(unix)]
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{
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use std::os::unix::fs::PermissionsExt;
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let mode = mode & 0o777;
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let permissions = PermissionsExt::from_mode(mode);
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file.set_permissions(permissions)?;
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}
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#[cfg(not(unix))]
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let _ = mode;
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}
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file.write_all(data.as_ref())
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}
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/// Similar to `std::fs::canonicalize()` but strips UNC prefixes on Windows.
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pub fn canonicalize_path(path: &Path) -> Result<PathBuf, Error> {
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let mut canonicalized_path = path.canonicalize()?;
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if cfg!(windows) {
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canonicalized_path = PathBuf::from(
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canonicalized_path
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.display()
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.to_string()
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.trim_start_matches("\\\\?\\"),
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);
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}
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Ok(canonicalized_path)
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}
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pub fn resolve_from_cwd(path: &Path) -> Result<PathBuf, AnyError> {
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let resolved_path = if path.is_absolute() {
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path.to_owned()
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} else {
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let cwd =
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current_dir().context("Failed to get current working directory")?;
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cwd.join(path)
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};
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Ok(normalize_path(&resolved_path))
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}
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/// Checks if the path has extension Deno supports.
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pub fn is_supported_ext(path: &Path) -> bool {
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if let Some(ext) = get_extension(path) {
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matches!(ext.as_str(), "ts" | "tsx" | "js" | "jsx" | "mjs")
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} else {
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false
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}
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}
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/// This function is similar to is_supported_ext but adds additional extensions
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/// supported by `deno fmt`.
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pub fn is_supported_ext_fmt(path: &Path) -> bool {
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if let Some(ext) = get_extension(path) {
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matches!(
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ext.as_str(),
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"ts" | "tsx" | "js" | "jsx" | "mjs" | "md" | "json" | "jsonc"
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)
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} else {
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false
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}
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}
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/// Checks if the path has a basename and extension Deno supports for tests.
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pub fn is_supported_test_path(path: &Path) -> bool {
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use std::path::Component;
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if let Some(Component::Normal(basename_os_str)) =
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path.components().next_back()
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{
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let basename = basename_os_str.to_string_lossy();
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basename.ends_with("_test.ts")
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|| basename.ends_with("_test.tsx")
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|| basename.ends_with("_test.js")
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|| basename.ends_with("_test.mjs")
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|| basename.ends_with("_test.jsx")
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|| basename.ends_with(".test.ts")
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|| basename.ends_with(".test.tsx")
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|| basename.ends_with(".test.js")
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|| basename.ends_with(".test.mjs")
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|| basename.ends_with(".test.jsx")
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|| basename == "test.ts"
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|| basename == "test.tsx"
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|| basename == "test.js"
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|| basename == "test.mjs"
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|| basename == "test.jsx"
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} else {
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false
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}
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}
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/// Checks if the path has an extension Deno supports for tests.
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pub fn is_supported_test_ext(path: &Path) -> bool {
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if let Some(ext) = get_extension(path) {
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matches!(ext.as_str(), "ts" | "tsx" | "js" | "jsx" | "mjs" | "md")
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} else {
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false
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}
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}
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/// Get the extension of a file in lowercase.
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pub fn get_extension(file_path: &Path) -> Option<String> {
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return file_path
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.extension()
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.and_then(|e| e.to_str())
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.map(|e| e.to_lowercase());
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}
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/// Collects file paths that satisfy the given predicate, by recursively walking `files`.
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/// If the walker visits a path that is listed in `ignore`, it skips descending into the directory.
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pub fn collect_files<P>(
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files: &[PathBuf],
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ignore: &[PathBuf],
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predicate: P,
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) -> Result<Vec<PathBuf>, AnyError>
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where
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P: Fn(&Path) -> bool,
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{
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let mut target_files = Vec::new();
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// retain only the paths which exist and ignore the rest
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let canonicalized_ignore: Vec<PathBuf> = ignore
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.iter()
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.filter_map(|i| i.canonicalize().ok())
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.collect();
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let cur_dir = [std::env::current_dir()?];
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let files = if files.is_empty() { &cur_dir } else { files };
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for file in files {
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for entry in WalkDir::new(file)
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.into_iter()
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.filter_entry(|e| {
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e.path().canonicalize().map_or(false, |c| {
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!canonicalized_ignore.iter().any(|i| c.starts_with(i))
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})
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})
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.filter_map(|e| match e {
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Ok(e) if !e.file_type().is_dir() && predicate(e.path()) => Some(e),
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_ => None,
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})
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{
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target_files.push(entry.into_path().canonicalize()?)
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}
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}
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Ok(target_files)
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}
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/// Collects module specifiers that satisfy the given predicate as a file path, by recursively walking `include`.
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/// Specifiers that start with http and https are left intact.
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pub fn collect_specifiers<P>(
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include: Vec<String>,
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ignore: &[PathBuf],
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predicate: P,
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) -> Result<Vec<ModuleSpecifier>, AnyError>
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where
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P: Fn(&Path) -> bool,
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{
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let mut prepared = vec![];
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let root_path = std::env::current_dir()?;
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for path in include {
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let lowercase_path = path.to_lowercase();
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if lowercase_path.starts_with("http://")
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|| lowercase_path.starts_with("https://")
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{
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let url = ModuleSpecifier::parse(&path)?;
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prepared.push(url);
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continue;
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}
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let p = normalize_path(&root_path.join(path));
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if p.is_dir() {
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let test_files = collect_files(&[p], ignore, &predicate).unwrap();
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let mut test_files_as_urls = test_files
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.iter()
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.map(|f| ModuleSpecifier::from_file_path(f).unwrap())
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.collect::<Vec<ModuleSpecifier>>();
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test_files_as_urls.sort();
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prepared.extend(test_files_as_urls);
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} else {
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let url = ModuleSpecifier::from_file_path(p).unwrap();
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prepared.push(url);
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}
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}
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Ok(prepared)
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}
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// Asynchronously removes a directory and all its descendants, but does not error
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// when the directory does not exist.
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pub async fn remove_dir_all_if_exists(path: &Path) -> std::io::Result<()> {
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let result = tokio::fs::remove_dir_all(path).await;
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match result {
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Err(err) if err.kind() == std::io::ErrorKind::NotFound => Ok(()),
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_ => result,
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use tempfile::TempDir;
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#[test]
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fn resolve_from_cwd_child() {
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let cwd = current_dir().unwrap();
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assert_eq!(resolve_from_cwd(Path::new("a")).unwrap(), cwd.join("a"));
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}
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#[test]
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fn resolve_from_cwd_dot() {
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let cwd = current_dir().unwrap();
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assert_eq!(resolve_from_cwd(Path::new(".")).unwrap(), cwd);
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}
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#[test]
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fn resolve_from_cwd_parent() {
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let cwd = current_dir().unwrap();
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assert_eq!(resolve_from_cwd(Path::new("a/..")).unwrap(), cwd);
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}
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#[test]
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fn test_normalize_path() {
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assert_eq!(normalize_path(Path::new("a/../b")), PathBuf::from("b"));
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assert_eq!(normalize_path(Path::new("a/./b/")), PathBuf::from("a/b/"));
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assert_eq!(
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normalize_path(Path::new("a/./b/../c")),
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PathBuf::from("a/c")
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);
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if cfg!(windows) {
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assert_eq!(
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normalize_path(Path::new("C:\\a\\.\\b\\..\\c")),
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PathBuf::from("C:\\a\\c")
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);
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}
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}
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// TODO: Get a good expected value here for Windows.
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#[cfg(not(windows))]
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#[test]
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fn resolve_from_cwd_absolute() {
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let expected = Path::new("/a");
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assert_eq!(resolve_from_cwd(expected).unwrap(), expected);
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}
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#[test]
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fn test_is_supported_ext() {
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assert!(!is_supported_ext(Path::new("tests/subdir/redirects")));
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assert!(!is_supported_ext(Path::new("README.md")));
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assert!(is_supported_ext(Path::new("lib/typescript.d.ts")));
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assert!(is_supported_ext(Path::new("testdata/001_hello.js")));
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assert!(is_supported_ext(Path::new("testdata/002_hello.ts")));
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assert!(is_supported_ext(Path::new("foo.jsx")));
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assert!(is_supported_ext(Path::new("foo.tsx")));
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assert!(is_supported_ext(Path::new("foo.TS")));
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assert!(is_supported_ext(Path::new("foo.TSX")));
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assert!(is_supported_ext(Path::new("foo.JS")));
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assert!(is_supported_ext(Path::new("foo.JSX")));
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assert!(is_supported_ext(Path::new("foo.mjs")));
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assert!(!is_supported_ext(Path::new("foo.mjsx")));
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}
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#[test]
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fn test_is_supported_ext_fmt() {
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assert!(!is_supported_ext_fmt(Path::new("tests/subdir/redirects")));
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assert!(is_supported_ext_fmt(Path::new("README.md")));
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assert!(is_supported_ext_fmt(Path::new("readme.MD")));
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assert!(is_supported_ext_fmt(Path::new("lib/typescript.d.ts")));
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assert!(is_supported_ext_fmt(Path::new("testdata/001_hello.js")));
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assert!(is_supported_ext_fmt(Path::new("testdata/002_hello.ts")));
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assert!(is_supported_ext_fmt(Path::new("foo.jsx")));
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assert!(is_supported_ext_fmt(Path::new("foo.tsx")));
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assert!(is_supported_ext_fmt(Path::new("foo.TS")));
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assert!(is_supported_ext_fmt(Path::new("foo.TSX")));
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assert!(is_supported_ext_fmt(Path::new("foo.JS")));
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assert!(is_supported_ext_fmt(Path::new("foo.JSX")));
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assert!(is_supported_ext_fmt(Path::new("foo.mjs")));
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assert!(!is_supported_ext_fmt(Path::new("foo.mjsx")));
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assert!(is_supported_ext_fmt(Path::new("foo.jsonc")));
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assert!(is_supported_ext_fmt(Path::new("foo.JSONC")));
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assert!(is_supported_ext_fmt(Path::new("foo.json")));
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assert!(is_supported_ext_fmt(Path::new("foo.JsON")));
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}
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#[test]
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fn test_is_supported_test_ext() {
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assert!(!is_supported_test_ext(Path::new("tests/subdir/redirects")));
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assert!(is_supported_test_ext(Path::new("README.md")));
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assert!(is_supported_test_ext(Path::new("readme.MD")));
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assert!(is_supported_test_ext(Path::new("lib/typescript.d.ts")));
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assert!(is_supported_test_ext(Path::new("testdata/001_hello.js")));
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assert!(is_supported_test_ext(Path::new("testdata/002_hello.ts")));
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assert!(is_supported_test_ext(Path::new("foo.jsx")));
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assert!(is_supported_test_ext(Path::new("foo.tsx")));
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assert!(is_supported_test_ext(Path::new("foo.TS")));
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assert!(is_supported_test_ext(Path::new("foo.TSX")));
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assert!(is_supported_test_ext(Path::new("foo.JS")));
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assert!(is_supported_test_ext(Path::new("foo.JSX")));
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assert!(is_supported_test_ext(Path::new("foo.mjs")));
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assert!(!is_supported_test_ext(Path::new("foo.mjsx")));
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assert!(!is_supported_test_ext(Path::new("foo.jsonc")));
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assert!(!is_supported_test_ext(Path::new("foo.JSONC")));
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assert!(!is_supported_test_ext(Path::new("foo.json")));
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assert!(!is_supported_test_ext(Path::new("foo.JsON")));
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}
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#[test]
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fn test_is_supported_test_path() {
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assert!(is_supported_test_path(Path::new(
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"tests/subdir/foo_test.ts"
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)));
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assert!(is_supported_test_path(Path::new(
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"tests/subdir/foo_test.tsx"
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)));
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assert!(is_supported_test_path(Path::new(
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"tests/subdir/foo_test.js"
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)));
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assert!(is_supported_test_path(Path::new(
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"tests/subdir/foo_test.jsx"
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)));
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assert!(is_supported_test_path(Path::new("bar/foo.test.ts")));
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assert!(is_supported_test_path(Path::new("bar/foo.test.tsx")));
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assert!(is_supported_test_path(Path::new("bar/foo.test.js")));
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assert!(is_supported_test_path(Path::new("bar/foo.test.jsx")));
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assert!(is_supported_test_path(Path::new("foo/bar/test.js")));
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assert!(is_supported_test_path(Path::new("foo/bar/test.jsx")));
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assert!(is_supported_test_path(Path::new("foo/bar/test.ts")));
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assert!(is_supported_test_path(Path::new("foo/bar/test.tsx")));
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assert!(!is_supported_test_path(Path::new("README.md")));
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assert!(!is_supported_test_path(Path::new("lib/typescript.d.ts")));
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assert!(!is_supported_test_path(Path::new("notatest.js")));
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assert!(!is_supported_test_path(Path::new("NotAtest.ts")));
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}
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#[test]
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fn test_collect_files() {
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fn create_files(dir_path: &Path, files: &[&str]) {
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std::fs::create_dir(dir_path).expect("Failed to create directory");
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for f in files {
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let path = dir_path.join(f);
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std::fs::write(path, "").expect("Failed to create file");
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}
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}
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// dir.ts
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// ├── a.ts
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// ├── b.js
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// ├── child
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// │ ├── e.mjs
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// │ ├── f.mjsx
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// │ ├── .foo.TS
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// │ └── README.md
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// ├── c.tsx
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// ├── d.jsx
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// └── ignore
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// ├── g.d.ts
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// └── .gitignore
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let t = TempDir::new().expect("tempdir fail");
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let root_dir_path = t.path().join("dir.ts");
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let root_dir_files = ["a.ts", "b.js", "c.tsx", "d.jsx"];
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create_files(&root_dir_path, &root_dir_files);
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let child_dir_path = root_dir_path.join("child");
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let child_dir_files = ["e.mjs", "f.mjsx", ".foo.TS", "README.md"];
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create_files(&child_dir_path, &child_dir_files);
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let ignore_dir_path = root_dir_path.join("ignore");
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let ignore_dir_files = ["g.d.ts", ".gitignore"];
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create_files(&ignore_dir_path, &ignore_dir_files);
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let result = collect_files(&[root_dir_path], &[ignore_dir_path], |path| {
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// exclude dotfiles
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path
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.file_name()
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.and_then(|f| f.to_str())
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.map_or(false, |f| !f.starts_with('.'))
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})
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.unwrap();
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let expected = [
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"a.ts",
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"b.js",
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"e.mjs",
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"f.mjsx",
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"README.md",
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"c.tsx",
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"d.jsx",
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];
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for e in expected.iter() {
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assert!(result.iter().any(|r| r.ends_with(e)));
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}
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assert_eq!(result.len(), expected.len());
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}
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#[test]
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fn test_collect_specifiers() {
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fn create_files(dir_path: &Path, files: &[&str]) {
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std::fs::create_dir(dir_path).expect("Failed to create directory");
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for f in files {
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let path = dir_path.join(f);
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std::fs::write(path, "").expect("Failed to create file");
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}
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}
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// dir.ts
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// ├── a.ts
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// ├── b.js
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// ├── child
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// │ ├── e.mjs
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// │ ├── f.mjsx
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// │ ├── .foo.TS
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// │ └── README.md
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// ├── c.tsx
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// ├── d.jsx
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// └── ignore
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// ├── g.d.ts
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// └── .gitignore
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let t = TempDir::new().expect("tempdir fail");
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let root_dir_path = t.path().join("dir.ts");
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let root_dir_files = ["a.ts", "b.js", "c.tsx", "d.jsx"];
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create_files(&root_dir_path, &root_dir_files);
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let child_dir_path = root_dir_path.join("child");
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let child_dir_files = ["e.mjs", "f.mjsx", ".foo.TS", "README.md"];
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create_files(&child_dir_path, &child_dir_files);
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let ignore_dir_path = root_dir_path.join("ignore");
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let ignore_dir_files = ["g.d.ts", ".gitignore"];
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create_files(&ignore_dir_path, &ignore_dir_files);
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let result = collect_specifiers(
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vec![
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"http://localhost:8080".to_string(),
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root_dir_path.to_str().unwrap().to_string(),
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"https://localhost:8080".to_string(),
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],
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&[ignore_dir_path],
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|path| {
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// exclude dotfiles
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path
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.file_name()
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.and_then(|f| f.to_str())
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.map_or(false, |f| !f.starts_with('.'))
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},
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)
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.unwrap();
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let root_dir_url = ModuleSpecifier::from_file_path(
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canonicalize_path(&root_dir_path).unwrap(),
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)
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.unwrap()
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.to_string();
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let expected: Vec<ModuleSpecifier> = [
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"http://localhost:8080",
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&format!("{}/a.ts", root_dir_url),
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&format!("{}/b.js", root_dir_url),
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&format!("{}/c.tsx", root_dir_url),
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&format!("{}/child/README.md", root_dir_url),
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&format!("{}/child/e.mjs", root_dir_url),
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&format!("{}/child/f.mjsx", root_dir_url),
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&format!("{}/d.jsx", root_dir_url),
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"https://localhost:8080",
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]
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.iter()
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.map(|f| ModuleSpecifier::parse(f).unwrap())
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.collect::<Vec<ModuleSpecifier>>();
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assert_eq!(result, expected);
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}
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}
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