[oden] Use deno_ast instead of raw swc for typescript
OK, look, I hate SWC and I really don't want to use it if I can help it, but the other options are worse.
This commit is contained in:
parent
7a1bf5a19b
commit
c02eb25873
3 changed files with 192 additions and 284 deletions
273
Cargo.lock
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273
Cargo.lock
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@ -61,7 +61,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
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@ -499,6 +498,59 @@ version = "2.4.0"
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dependencies = [
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"anyhow",
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"base64",
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"deno_media_type",
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"dprint-swc-ext",
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"serde",
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"swc_atoms",
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"swc_common",
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"swc_config",
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"swc_config_macro",
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"swc_ecma_ast",
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"swc_ecma_codegen",
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"swc_ecma_codegen_macros",
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"swc_ecma_transforms_macros",
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"swc_ecma_transforms_proposal",
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"swc_ecma_transforms_react",
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"swc_ecma_transforms_typescript",
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"swc_ecma_visit",
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"text_lines",
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"url",
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[[package]]
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@ -530,6 +582,22 @@ version = "1.2.0"
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dependencies = [
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"swc_atoms",
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"swc_common",
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[[package]]
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@ -1044,79 +1112,6 @@ version = "1.3.0"
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[[package]]
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[[package]]
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[[package]]
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@ -1532,6 +1527,7 @@ version = "0.1.0"
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dependencies = [
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"anyhow",
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"bytemuck",
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"deno_ast",
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"notify",
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"oden-js",
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"pollster",
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"swc_common",
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"swc_ecma_visit",
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"tracy-client",
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"wgpu",
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"winit",
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "swc_atoms"
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version = "0.5.6"
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dependencies = [
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"once_cell",
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"rustc-hash",
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name = "swc_common"
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version = "0.31.16"
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version = "0.32.0"
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"rustc-hash",
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"serde",
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"siphasher",
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"sourcemap",
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[[package]]
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name = "swc_ecma_ast"
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version = "0.106.6"
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dependencies = [
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"is-macro",
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name = "swc_ecma_codegen"
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version = "0.141.10"
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"swc_ecma_visit",
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|
||||
checksum = "4eba97b1ea71739fcf278aedad4677a3cacb52288a3f3566191b70d16a889de6"
|
||||
dependencies = [
|
||||
"serde",
|
||||
"swc_atoms",
|
||||
|
|
@ -2404,9 +2447,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "swc_ecma_utils"
|
||||
version = "0.119.9"
|
||||
version = "0.122.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "22e881888b8d5f2c869dd026bb367e0c789385f4d2b39bd0321fead742b1f995"
|
||||
checksum = "11006a3398ffd4693c4d3b0a1b1a5030edbdc04228159f5301120a6178144708"
|
||||
dependencies = [
|
||||
"indexmap",
|
||||
"num_cpus",
|
||||
|
|
@ -2422,9 +2465,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "swc_ecma_visit"
|
||||
version = "0.92.5"
|
||||
version = "0.95.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0f61da6cac0ec3b7e62d367cfbd9e38e078a4601271891ad94f0dac5ff69f839"
|
||||
checksum = "0f628ec196e76e67892441e14eef2e423a738543d32bffdabfeec20c29582117"
|
||||
dependencies = [
|
||||
"num-bigint",
|
||||
"swc_atoms",
|
||||
|
|
@ -2513,6 +2556,15 @@ dependencies = [
|
|||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "text_lines"
|
||||
version = "0.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7fd5828de7deaa782e1dd713006ae96b3bee32d3279b79eb67ecf8072c059bcf"
|
||||
dependencies = [
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "1.0.40"
|
||||
|
|
@ -2764,6 +2816,7 @@ dependencies = [
|
|||
"form_urlencoded",
|
||||
"idna",
|
||||
"percent-encoding",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
|
|||
|
|
@ -11,6 +11,7 @@ tracing = ["tracy-client/enable"]
|
|||
[dependencies]
|
||||
anyhow = "1.0"
|
||||
bytemuck = { version = "1.13", features = ["derive"] }
|
||||
deno_ast = { version = "0.29.3", features = ["transpiling", "typescript"] }
|
||||
env_logger = "0.10"
|
||||
fontdue = "0.7.3"
|
||||
image = { version = "0.24", default-features = false, features = ["png"] }
|
||||
|
|
@ -19,12 +20,6 @@ lru = "0.11.0"
|
|||
notify = "6"
|
||||
oden-js = { path = "oden-js" }
|
||||
pollster = "0.3"
|
||||
swc_common = "0.31.16"
|
||||
swc_ecma_codegen = "0.141.10"
|
||||
swc_ecma_parser = "0.136.7"
|
||||
swc_ecma_transforms_base = "0.129.13"
|
||||
swc_ecma_transforms_typescript = "0.179.18"
|
||||
swc_ecma_visit = "0.92.5"
|
||||
tracy-client = { version = "0.15.2", default-features = false }
|
||||
wgpu = "0.17"
|
||||
winit = "0.28"
|
||||
|
|
|
|||
|
|
@ -1,173 +1,33 @@
|
|||
use deno_ast::{parse_module, MediaType, ParseParams, SourceTextInfo};
|
||||
use oden_js::{Error, Result};
|
||||
use std::cell::RefCell;
|
||||
use std::rc::Rc;
|
||||
|
||||
use swc_common::{
|
||||
self, comments::SingleThreadedComments, errors::Diagnostic, sync::Lrc, FileName, Globals, Mark,
|
||||
SourceMap, GLOBALS,
|
||||
};
|
||||
use swc_ecma_codegen::{text_writer::JsWriter, Emitter};
|
||||
use swc_ecma_parser::{lexer::Lexer, Parser, StringInput, Syntax};
|
||||
use swc_ecma_transforms_base::{fixer::fixer, hygiene::hygiene, resolver};
|
||||
use swc_ecma_transforms_typescript::strip;
|
||||
use swc_ecma_visit::{swc_ecma_ast::EsVersion, FoldWith};
|
||||
|
||||
struct DiagnosticCollector {
|
||||
cell: Rc<RefCell<Vec<Diagnostic>>>,
|
||||
}
|
||||
|
||||
impl DiagnosticCollector {
|
||||
pub fn into_handler(self) -> swc_common::errors::Handler {
|
||||
swc_common::errors::Handler::with_emitter(true, false, Box::new(self))
|
||||
}
|
||||
}
|
||||
|
||||
impl swc_common::errors::Emitter for DiagnosticCollector {
|
||||
fn emit(&mut self, db: &swc_common::errors::DiagnosticBuilder<'_>) {
|
||||
use std::ops::Deref;
|
||||
self.cell.borrow_mut().push(db.deref().clone());
|
||||
}
|
||||
}
|
||||
|
||||
fn is_fatal_swc_diagnostic(diagnostic: &Diagnostic) -> bool {
|
||||
use swc_common::errors::Level;
|
||||
match diagnostic.level {
|
||||
Level::Bug
|
||||
| Level::Cancelled
|
||||
| Level::FailureNote
|
||||
| Level::Fatal
|
||||
| Level::PhaseFatal
|
||||
| Level::Error => true,
|
||||
Level::Help | Level::Note | Level::Warning => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn format_swc_diagnostic(source_map: &SourceMap, diagnostic: &Diagnostic) -> String {
|
||||
if let Some(span) = &diagnostic.span.primary_span() {
|
||||
let file_name = source_map.span_to_filename(*span);
|
||||
let loc = source_map.lookup_char_pos(span.lo);
|
||||
format!(
|
||||
"{} at {}:{}:{}",
|
||||
diagnostic.message(),
|
||||
file_name,
|
||||
loc.line,
|
||||
loc.col_display + 1,
|
||||
)
|
||||
} else {
|
||||
diagnostic.message()
|
||||
}
|
||||
}
|
||||
|
||||
fn diagnostics_to_parse_error<'a>(
|
||||
name: &str,
|
||||
source_map: &SourceMap,
|
||||
diagnostics: impl Iterator<Item = &'a Diagnostic>,
|
||||
) -> Error {
|
||||
Error::ParseError(
|
||||
name.into(),
|
||||
diagnostics
|
||||
.map(|d| format_swc_diagnostic(source_map, d))
|
||||
.collect::<Vec<_>>()
|
||||
.join("\n\n"),
|
||||
)
|
||||
}
|
||||
|
||||
fn ensure_no_fatal_swc_diagnostics<'a>(
|
||||
name: &str,
|
||||
source_map: &SourceMap,
|
||||
diagnostics: impl Iterator<Item = &'a Diagnostic>,
|
||||
) -> Result<()> {
|
||||
let fatal_diagnostics = diagnostics
|
||||
.filter(|d| is_fatal_swc_diagnostic(d))
|
||||
.collect::<Vec<_>>();
|
||||
if !fatal_diagnostics.is_empty() {
|
||||
Err(diagnostics_to_parse_error(
|
||||
name,
|
||||
source_map,
|
||||
fatal_diagnostics.into_iter(),
|
||||
))
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub fn transpile_to_javascript(path: &str, input: String) -> Result<String> {
|
||||
// NOTE: This was taken almost verbatim from
|
||||
// https://github.com/swc-project/swc/blob/main/crates/swc_ecma_transforms_typescript/examples/ts_to_js.rs
|
||||
// This appears to be similar to what deno_ast does, but this has
|
||||
// the advantage of actually compiling. :P
|
||||
//
|
||||
// NOTE: Really need to figure out how to get this to generate a source
|
||||
// map for the transpilation or something.
|
||||
let cm: Lrc<SourceMap> = Default::default();
|
||||
let diagnostics_cell: Rc<RefCell<Vec<Diagnostic>>> = Default::default();
|
||||
let handler = DiagnosticCollector {
|
||||
cell: diagnostics_cell.clone(),
|
||||
}
|
||||
.into_handler();
|
||||
|
||||
let fm = cm.new_source_file(FileName::Custom(path.into()), input.into());
|
||||
let comments = SingleThreadedComments::default();
|
||||
|
||||
let lexer = Lexer::new(
|
||||
Syntax::Typescript(Default::default()),
|
||||
EsVersion::Es2020,
|
||||
StringInput::from(&*fm),
|
||||
Some(&comments),
|
||||
);
|
||||
|
||||
let mut parser = Parser::new_from(lexer);
|
||||
|
||||
for e in parser.take_errors() {
|
||||
e.into_diagnostic(&handler).emit();
|
||||
}
|
||||
|
||||
let module = parser
|
||||
.parse_module()
|
||||
.map_err(|e| e.into_diagnostic(&handler))
|
||||
.map_err(|mut e| {
|
||||
e.emit();
|
||||
let diagnostics = diagnostics_cell.borrow();
|
||||
diagnostics_to_parse_error(path, &cm, diagnostics.iter())
|
||||
})?;
|
||||
|
||||
let globals = Globals::default();
|
||||
GLOBALS.set(&globals, || {
|
||||
let unresolved_mark = Mark::new();
|
||||
let top_level_mark = Mark::new();
|
||||
|
||||
// Optionally transforms decorators here before the resolver pass
|
||||
// as it might produce runtime declarations.
|
||||
|
||||
// Conduct identifier scope analysis
|
||||
let module = module.fold_with(&mut resolver(unresolved_mark, top_level_mark, true));
|
||||
|
||||
// Remove typescript types
|
||||
let module = module.fold_with(&mut strip(top_level_mark));
|
||||
|
||||
// Fix up any identifiers with the same name, but different contexts
|
||||
let module = module.fold_with(&mut hygiene());
|
||||
|
||||
// Ensure that we have enough parenthesis.
|
||||
let module = module.fold_with(&mut fixer(Some(&comments)));
|
||||
|
||||
let mut buf = vec![];
|
||||
{
|
||||
let mut emitter = Emitter {
|
||||
cfg: swc_ecma_codegen::Config {
|
||||
minify: false,
|
||||
..Default::default()
|
||||
},
|
||||
cm: cm.clone(),
|
||||
comments: Some(&comments),
|
||||
wr: JsWriter::new(cm.clone(), "\n", &mut buf, None),
|
||||
};
|
||||
|
||||
emitter.emit_module(&module).unwrap();
|
||||
}
|
||||
|
||||
let diagnostics = diagnostics_cell.borrow();
|
||||
ensure_no_fatal_swc_diagnostics(path, &cm, diagnostics.iter())?;
|
||||
Ok(String::from_utf8(buf).expect("non-utf8?"))
|
||||
let text_info = SourceTextInfo::new(input.into());
|
||||
let parsed_source = parse_module(ParseParams {
|
||||
specifier: path.to_string(),
|
||||
media_type: MediaType::TypeScript,
|
||||
text_info,
|
||||
capture_tokens: true,
|
||||
maybe_syntax: None,
|
||||
scope_analysis: false,
|
||||
})
|
||||
.map_err(|e| {
|
||||
let position = e.display_position();
|
||||
Error::ParseError(
|
||||
path.into(),
|
||||
format!(
|
||||
"{} at {}:{}:{}",
|
||||
e.message(),
|
||||
path,
|
||||
position.line_number,
|
||||
position.column_number
|
||||
),
|
||||
)
|
||||
})?;
|
||||
|
||||
let options: deno_ast::EmitOptions = Default::default();
|
||||
let transpiled = parsed_source
|
||||
.transpile(&options)
|
||||
.map_err(|e| Error::ParseError(path.into(), e.to_string()))?;
|
||||
return Ok(transpiled.text);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue