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denoland-deno/cli/tools/compile.rs
David Sherret 1a0cb5b531
feat(unstable): --unstable-detect-cjs for respecting explicit "type": "commonjs" (#26149)
When using the `--unstable-detect-cjs` flag or adding `"unstable":
["detect-cjs"]` to a deno.json, it will make a JS file CJS if the
closest package.json contains `"type": "commonjs"` and the file is not
an ESM module (no TLA, no `import.meta`, no `import`/`export`).
2024-10-14 20:48:39 -04:00

471 lines
14 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::args::check_warn_tsconfig;
use crate::args::CompileFlags;
use crate::args::Flags;
use crate::factory::CliFactory;
use crate::http_util::HttpClientProvider;
use crate::standalone::is_standalone_binary;
use deno_ast::ModuleSpecifier;
use deno_core::anyhow::bail;
use deno_core::anyhow::Context;
use deno_core::error::generic_error;
use deno_core::error::AnyError;
use deno_core::resolve_url_or_path;
use deno_graph::GraphKind;
use deno_terminal::colors;
use eszip::EszipRelativeFileBaseUrl;
use rand::Rng;
use std::path::Path;
use std::path::PathBuf;
use std::sync::Arc;
use super::installer::infer_name_from_url;
pub async fn compile(
flags: Arc<Flags>,
compile_flags: CompileFlags,
) -> Result<(), AnyError> {
let factory = CliFactory::from_flags(flags);
let cli_options = factory.cli_options()?;
let module_graph_creator = factory.module_graph_creator().await?;
let parsed_source_cache = factory.parsed_source_cache();
let binary_writer = factory.create_compile_binary_writer().await?;
let http_client = factory.http_client_provider();
let module_specifier = cli_options.resolve_main_module()?;
let module_roots = {
let mut vec = Vec::with_capacity(compile_flags.include.len() + 1);
vec.push(module_specifier.clone());
for side_module in &compile_flags.include {
vec.push(resolve_url_or_path(side_module, cli_options.initial_cwd())?);
}
vec
};
// this is not supported, so show a warning about it, but don't error in order
// to allow someone to still run `deno compile` when this is in a deno.json
if cli_options.unstable_sloppy_imports() {
log::warn!(
concat!(
"{} Sloppy imports are not supported in deno compile. ",
"The compiled executable may encounter runtime errors.",
),
crate::colors::yellow("Warning"),
);
}
if cli_options.unstable_detect_cjs() {
log::warn!(
concat!(
"{} --unstable-detect-cjs is not properly supported in deno compile. ",
"The compiled executable may encounter runtime errors.",
),
crate::colors::yellow("Warning"),
);
}
let output_path = resolve_compile_executable_output_path(
http_client,
&compile_flags,
cli_options.initial_cwd(),
)
.await?;
let graph = Arc::try_unwrap(
module_graph_creator
.create_graph_and_maybe_check(module_roots.clone())
.await?,
)
.unwrap();
let graph = if cli_options.type_check_mode().is_true() {
// In this case, the previous graph creation did type checking, which will
// create a module graph with types information in it. We don't want to
// store that in the eszip so create a code only module graph from scratch.
module_graph_creator
.create_graph(GraphKind::CodeOnly, module_roots)
.await?
} else {
graph
};
let ts_config_for_emit = cli_options
.resolve_ts_config_for_emit(deno_config::deno_json::TsConfigType::Emit)?;
check_warn_tsconfig(&ts_config_for_emit);
let (transpile_options, emit_options) =
crate::args::ts_config_to_transpile_and_emit_options(
ts_config_for_emit.ts_config,
)?;
let parser = parsed_source_cache.as_capturing_parser();
let root_dir_url = resolve_root_dir_from_specifiers(
cli_options.workspace().root_dir(),
graph.specifiers().map(|(s, _)| s).chain(
cli_options
.node_modules_dir_path()
.and_then(|p| ModuleSpecifier::from_directory_path(p).ok())
.iter(),
),
);
log::debug!("Binary root dir: {}", root_dir_url);
let root_dir_url = EszipRelativeFileBaseUrl::new(&root_dir_url);
let eszip = eszip::EszipV2::from_graph(eszip::FromGraphOptions {
graph,
parser,
transpile_options,
emit_options,
// make all the modules relative to the root folder
relative_file_base: Some(root_dir_url),
npm_packages: None,
})?;
log::info!(
"{} {} to {}",
colors::green("Compile"),
module_specifier.to_string(),
output_path.display(),
);
validate_output_path(&output_path)?;
let mut temp_filename = output_path.file_name().unwrap().to_owned();
temp_filename.push(format!(
".tmp-{}",
faster_hex::hex_encode(
&rand::thread_rng().gen::<[u8; 8]>(),
&mut [0u8; 16]
)
.unwrap()
));
let temp_path = output_path.with_file_name(temp_filename);
let file = std::fs::File::create(&temp_path).with_context(|| {
format!("Opening temporary file '{}'", temp_path.display())
})?;
let write_result = binary_writer
.write_bin(
file,
eszip,
root_dir_url,
module_specifier,
&compile_flags,
cli_options,
)
.await
.with_context(|| {
format!("Writing temporary file '{}'", temp_path.display())
});
// set it as executable
#[cfg(unix)]
let write_result = write_result.and_then(|_| {
use std::os::unix::fs::PermissionsExt;
let perms = std::fs::Permissions::from_mode(0o755);
std::fs::set_permissions(&temp_path, perms).with_context(|| {
format!(
"Setting permissions on temporary file '{}'",
temp_path.display()
)
})
});
let write_result = write_result.and_then(|_| {
std::fs::rename(&temp_path, &output_path).with_context(|| {
format!(
"Renaming temporary file '{}' to '{}'",
temp_path.display(),
output_path.display()
)
})
});
if let Err(err) = write_result {
// errored, so attempt to remove the temporary file
let _ = std::fs::remove_file(temp_path);
return Err(err);
}
Ok(())
}
/// This function writes out a final binary to specified path. If output path
/// is not already standalone binary it will return error instead.
fn validate_output_path(output_path: &Path) -> Result<(), AnyError> {
if output_path.exists() {
// If the output is a directory, throw error
if output_path.is_dir() {
bail!(
concat!(
"Could not compile to file '{}' because a directory exists with ",
"the same name. You can use the `--output <file-path>` flag to ",
"provide an alternative name."
),
output_path.display()
);
}
// Make sure we don't overwrite any file not created by Deno compiler because
// this filename is chosen automatically in some cases.
if !is_standalone_binary(output_path) {
bail!(
concat!(
"Could not compile to file '{}' because the file already exists ",
"and cannot be overwritten. Please delete the existing file or ",
"use the `--output <file-path>` flag to provide an alternative name."
),
output_path.display()
);
}
// Remove file if it was indeed a deno compiled binary, to avoid corruption
// (see https://github.com/denoland/deno/issues/10310)
std::fs::remove_file(output_path)?;
} else {
let output_base = &output_path.parent().unwrap();
if output_base.exists() && output_base.is_file() {
bail!(
concat!(
"Could not compile to file '{}' because its parent directory ",
"is an existing file. You can use the `--output <file-path>` flag to ",
"provide an alternative name.",
),
output_base.display(),
);
}
std::fs::create_dir_all(output_base)?;
}
Ok(())
}
async fn resolve_compile_executable_output_path(
http_client_provider: &HttpClientProvider,
compile_flags: &CompileFlags,
current_dir: &Path,
) -> Result<PathBuf, AnyError> {
let module_specifier =
resolve_url_or_path(&compile_flags.source_file, current_dir)?;
let output_flag = compile_flags.output.clone();
let mut output_path = if let Some(out) = output_flag.as_ref() {
let mut out_path = PathBuf::from(out);
if out.ends_with('/') || out.ends_with('\\') {
if let Some(infer_file_name) =
infer_name_from_url(http_client_provider, &module_specifier)
.await
.map(PathBuf::from)
{
out_path = out_path.join(infer_file_name);
}
} else {
out_path = out_path.to_path_buf();
}
Some(out_path)
} else {
None
};
if output_flag.is_none() {
output_path = infer_name_from_url(http_client_provider, &module_specifier)
.await
.map(PathBuf::from)
}
output_path.ok_or_else(|| generic_error(
"An executable name was not provided. One could not be inferred from the URL. Aborting.",
)).map(|output_path| {
get_os_specific_filepath(output_path, &compile_flags.target)
})
}
fn get_os_specific_filepath(
output: PathBuf,
target: &Option<String>,
) -> PathBuf {
let is_windows = match target {
Some(target) => target.contains("windows"),
None => cfg!(windows),
};
if is_windows && output.extension().unwrap_or_default() != "exe" {
if let Some(ext) = output.extension() {
// keep version in my-exe-0.1.0 -> my-exe-0.1.0.exe
output.with_extension(format!("{}.exe", ext.to_string_lossy()))
} else {
output.with_extension("exe")
}
} else {
output
}
}
fn resolve_root_dir_from_specifiers<'a>(
starting_dir: &ModuleSpecifier,
specifiers: impl Iterator<Item = &'a ModuleSpecifier>,
) -> ModuleSpecifier {
fn select_common_root<'a>(a: &'a str, b: &'a str) -> &'a str {
let min_length = a.len().min(b.len());
let mut last_slash = 0;
for i in 0..min_length {
if a.as_bytes()[i] == b.as_bytes()[i] && a.as_bytes()[i] == b'/' {
last_slash = i;
} else if a.as_bytes()[i] != b.as_bytes()[i] {
break;
}
}
// Return the common root path up to the last common slash.
// This returns a slice of the original string 'a', up to and including the last matching '/'.
let common = &a[..=last_slash];
if cfg!(windows) && common == "file:///" {
a
} else {
common
}
}
fn is_file_system_root(url: &str) -> bool {
let Some(path) = url.strip_prefix("file:///") else {
return false;
};
if cfg!(windows) {
let Some((_drive, path)) = path.split_once('/') else {
return true;
};
path.is_empty()
} else {
path.is_empty()
}
}
let mut found_dir = starting_dir.as_str();
if !is_file_system_root(found_dir) {
for specifier in specifiers {
if specifier.scheme() == "file" {
found_dir = select_common_root(found_dir, specifier.as_str());
}
}
}
let found_dir = if is_file_system_root(found_dir) {
found_dir
} else {
// include the parent dir name because it helps create some context
found_dir
.strip_suffix('/')
.unwrap_or(found_dir)
.rfind('/')
.map(|i| &found_dir[..i + 1])
.unwrap_or(found_dir)
};
ModuleSpecifier::parse(found_dir).unwrap()
}
#[cfg(test)]
mod test {
pub use super::*;
#[tokio::test]
async fn resolve_compile_executable_output_path_target_linux() {
let http_client = HttpClientProvider::new(None, None);
let path = resolve_compile_executable_output_path(
&http_client,
&CompileFlags {
source_file: "mod.ts".to_string(),
output: Some(String::from("./file")),
args: Vec::new(),
target: Some("x86_64-unknown-linux-gnu".to_string()),
no_terminal: false,
icon: None,
include: vec![],
},
&std::env::current_dir().unwrap(),
)
.await
.unwrap();
// no extension, no matter what the operating system is
// because the target was specified as linux
// https://github.com/denoland/deno/issues/9667
assert_eq!(path.file_name().unwrap(), "file");
}
#[tokio::test]
async fn resolve_compile_executable_output_path_target_windows() {
let http_client = HttpClientProvider::new(None, None);
let path = resolve_compile_executable_output_path(
&http_client,
&CompileFlags {
source_file: "mod.ts".to_string(),
output: Some(String::from("./file")),
args: Vec::new(),
target: Some("x86_64-pc-windows-msvc".to_string()),
include: vec![],
icon: None,
no_terminal: false,
},
&std::env::current_dir().unwrap(),
)
.await
.unwrap();
assert_eq!(path.file_name().unwrap(), "file.exe");
}
#[test]
fn test_os_specific_file_path() {
fn run_test(path: &str, target: Option<&str>, expected: &str) {
assert_eq!(
get_os_specific_filepath(
PathBuf::from(path),
&target.map(|s| s.to_string())
),
PathBuf::from(expected)
);
}
if cfg!(windows) {
run_test("C:\\my-exe", None, "C:\\my-exe.exe");
run_test("C:\\my-exe.exe", None, "C:\\my-exe.exe");
run_test("C:\\my-exe-0.1.2", None, "C:\\my-exe-0.1.2.exe");
} else {
run_test("my-exe", Some("linux"), "my-exe");
run_test("my-exe-0.1.2", Some("linux"), "my-exe-0.1.2");
}
run_test("C:\\my-exe", Some("windows"), "C:\\my-exe.exe");
run_test("C:\\my-exe.exe", Some("windows"), "C:\\my-exe.exe");
run_test("C:\\my-exe.0.1.2", Some("windows"), "C:\\my-exe.0.1.2.exe");
run_test("my-exe-0.1.2", Some("linux"), "my-exe-0.1.2");
}
#[test]
fn test_resolve_root_dir_from_specifiers() {
fn resolve(start: &str, specifiers: &[&str]) -> String {
let specifiers = specifiers
.iter()
.map(|s| ModuleSpecifier::parse(s).unwrap())
.collect::<Vec<_>>();
resolve_root_dir_from_specifiers(
&ModuleSpecifier::parse(start).unwrap(),
specifiers.iter(),
)
.to_string()
}
assert_eq!(resolve("file:///a/b/c", &["file:///a/b/c/d"]), "file:///a/");
assert_eq!(
resolve("file:///a/b/c/", &["file:///a/b/c/d"]),
"file:///a/b/"
);
assert_eq!(
resolve("file:///a/b/c/", &["file:///a/b/c/d", "file:///a/b/c/e"]),
"file:///a/b/"
);
assert_eq!(resolve("file:///", &["file:///a/b/c/d"]), "file:///");
if cfg!(windows) {
assert_eq!(resolve("file:///c:/", &["file:///c:/test"]), "file:///c:/");
// this will ignore the other one because it's on a separate drive
assert_eq!(
resolve("file:///c:/a/b/c/", &["file:///v:/a/b/c/d"]),
"file:///c:/a/b/"
);
}
}
}