mirror of
https://github.com/denoland/deno
synced 2024-10-30 13:16:30 +00:00
8b1f160bb5
This commit adds support for source maps for `ext/` crates that are authored in TypeScript. As a result any exceptions thrown from eg. `ext/node` will now have correct stack traces. This is only enabled in debug mode as it adds about 2Mb to the binary.
109 lines
2.9 KiB
Rust
109 lines
2.9 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
// Utilities shared between `build.rs` and the rest of the crate.
|
|
|
|
use deno_ast::MediaType;
|
|
use deno_ast::ParseParams;
|
|
use deno_ast::SourceTextInfo;
|
|
use deno_core::error::AnyError;
|
|
use deno_core::extension;
|
|
use deno_core::Extension;
|
|
use deno_core::ModuleCodeString;
|
|
use deno_core::ModuleName;
|
|
use deno_core::SourceMapData;
|
|
use std::path::Path;
|
|
|
|
extension!(runtime,
|
|
deps = [
|
|
deno_webidl,
|
|
deno_console,
|
|
deno_url,
|
|
deno_tls,
|
|
deno_web,
|
|
deno_fetch,
|
|
deno_cache,
|
|
deno_websocket,
|
|
deno_webstorage,
|
|
deno_crypto,
|
|
deno_broadcast_channel,
|
|
deno_node,
|
|
deno_ffi,
|
|
deno_net,
|
|
deno_napi,
|
|
deno_http,
|
|
deno_io,
|
|
deno_fs
|
|
],
|
|
esm_entry_point = "ext:runtime/90_deno_ns.js",
|
|
esm = [
|
|
dir "js",
|
|
"01_errors.js",
|
|
"01_version.ts",
|
|
"06_util.js",
|
|
"10_permissions.js",
|
|
"11_workers.js",
|
|
"13_buffer.js",
|
|
"30_os.js",
|
|
"40_fs_events.js",
|
|
"40_http.js",
|
|
"40_process.js",
|
|
"40_signals.js",
|
|
"40_tty.js",
|
|
"41_prompt.js",
|
|
"90_deno_ns.js",
|
|
"98_global_scope_shared.js",
|
|
"98_global_scope_window.js",
|
|
"98_global_scope_worker.js"
|
|
],
|
|
customizer = |ext: &mut Extension| {
|
|
#[cfg(not(feature = "exclude_runtime_main_js"))]
|
|
{
|
|
use deno_core::ascii_str_include;
|
|
use deno_core::ExtensionFileSource;
|
|
ext.esm_files.to_mut().push(ExtensionFileSource::new("ext:runtime_main/js/99_main.js", ascii_str_include!("./js/99_main.js")));
|
|
ext.esm_entry_point = Some("ext:runtime_main/js/99_main.js");
|
|
}
|
|
}
|
|
);
|
|
|
|
pub fn maybe_transpile_source(
|
|
name: ModuleName,
|
|
source: ModuleCodeString,
|
|
) -> Result<(ModuleCodeString, Option<SourceMapData>), AnyError> {
|
|
// Always transpile `node:` built-in modules, since they might be TypeScript.
|
|
let media_type = if name.starts_with("node:") {
|
|
MediaType::TypeScript
|
|
} else {
|
|
MediaType::from_path(Path::new(&name))
|
|
};
|
|
|
|
match media_type {
|
|
MediaType::TypeScript => {}
|
|
MediaType::JavaScript => return Ok((source, None)),
|
|
MediaType::Mjs => return Ok((source, None)),
|
|
_ => panic!(
|
|
"Unsupported media type for snapshotting {media_type:?} for file {}",
|
|
name
|
|
),
|
|
}
|
|
|
|
let parsed = deno_ast::parse_module(ParseParams {
|
|
specifier: deno_core::url::Url::parse(&name).unwrap(),
|
|
text_info: SourceTextInfo::from_string(source.as_str().to_owned()),
|
|
media_type,
|
|
capture_tokens: false,
|
|
scope_analysis: false,
|
|
maybe_syntax: None,
|
|
})?;
|
|
let transpiled_source = parsed.transpile(&deno_ast::EmitOptions {
|
|
imports_not_used_as_values: deno_ast::ImportsNotUsedAsValues::Remove,
|
|
inline_source_map: false,
|
|
source_map: cfg!(debug_assertions),
|
|
..Default::default()
|
|
})?;
|
|
|
|
let maybe_source_map: Option<SourceMapData> = transpiled_source
|
|
.source_map
|
|
.map(|sm| sm.into_bytes().into());
|
|
|
|
Ok((transpiled_source.text.into(), maybe_source_map))
|
|
}
|