mirror of
https://github.com/denoland/deno
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![Igor Zinkovsky](/assets/img/avatar_default.png)
This PR enables V8 code cache for ES modules and for `require` scripts through `op_eval_context`. Code cache artifacts are transparently stored and fetched using sqlite db and are passed to V8. `--no-code-cache` can be used to disable. --------- Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
147 lines
4.1 KiB
Rust
147 lines
4.1 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use deno_ast::ModuleSpecifier;
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use deno_core::anyhow::Context;
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use deno_core::error::uri_error;
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use deno_core::error::AnyError;
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pub use deno_core::normalize_path;
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use std::path::Path;
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use std::path::PathBuf;
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#[inline]
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pub fn resolve_from_cwd(path: &Path) -> Result<PathBuf, AnyError> {
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if path.is_absolute() {
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Ok(normalize_path(path))
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} else {
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#[allow(clippy::disallowed_methods)]
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let cwd = std::env::current_dir()
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.context("Failed to get current working directory")?;
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Ok(normalize_path(cwd.join(path)))
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}
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}
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/// Attempts to convert a specifier to a file path. By default, uses the Url
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/// crate's `to_file_path()` method, but falls back to try and resolve unix-style
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/// paths on Windows.
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pub fn specifier_to_file_path(
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specifier: &ModuleSpecifier,
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) -> Result<PathBuf, AnyError> {
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let result = if specifier.scheme() != "file" {
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Err(())
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} else if cfg!(windows) {
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match specifier.to_file_path() {
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Ok(path) => Ok(path),
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Err(()) => {
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// This might be a unix-style path which is used in the tests even on Windows.
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// Attempt to see if we can convert it to a `PathBuf`. This code should be removed
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// once/if https://github.com/servo/rust-url/issues/730 is implemented.
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if specifier.scheme() == "file"
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&& specifier.host().is_none()
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&& specifier.port().is_none()
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&& specifier.path_segments().is_some()
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{
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let path_str = specifier.path();
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match String::from_utf8(
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percent_encoding::percent_decode(path_str.as_bytes()).collect(),
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) {
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Ok(path_str) => Ok(PathBuf::from(path_str)),
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Err(_) => Err(()),
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}
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} else {
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Err(())
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}
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}
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}
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} else {
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specifier.to_file_path()
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};
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match result {
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Ok(path) => Ok(path),
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Err(()) => Err(uri_error(format!(
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"Invalid file path.\n Specifier: {specifier}"
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))),
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}
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}
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pub fn code_timestamp(specifier: &str) -> Result<u64, AnyError> {
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let specifier = ModuleSpecifier::parse(specifier)?;
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let path = specifier_to_file_path(&specifier)?;
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#[allow(clippy::disallowed_methods)]
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let timestamp = std::fs::metadata(path)?
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.modified()?
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.duration_since(std::time::UNIX_EPOCH)?
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.as_millis() as u64;
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Ok(timestamp)
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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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fn current_dir() -> PathBuf {
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#[allow(clippy::disallowed_methods)]
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std::env::current_dir().unwrap()
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}
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#[test]
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fn resolve_from_cwd_child() {
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let cwd = current_dir();
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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();
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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();
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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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#[test]
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fn resolve_from_cwd_absolute() {
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let expected = Path::new("a");
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let cwd = current_dir();
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let absolute_expected = cwd.join(expected);
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assert_eq!(resolve_from_cwd(expected).unwrap(), absolute_expected);
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}
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#[test]
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fn test_specifier_to_file_path() {
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run_success_test("file:///", "/");
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run_success_test("file:///test", "/test");
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run_success_test("file:///dir/test/test.txt", "/dir/test/test.txt");
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run_success_test(
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"file:///dir/test%20test/test.txt",
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"/dir/test test/test.txt",
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);
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fn run_success_test(specifier: &str, expected_path: &str) {
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let result =
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specifier_to_file_path(&ModuleSpecifier::parse(specifier).unwrap())
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.unwrap();
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assert_eq!(result, PathBuf::from(expected_path));
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}
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}
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}
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