mirror of
https://github.com/denoland/deno.git
synced 2024-12-11 10:07:54 -05:00
601 lines
17 KiB
Rust
601 lines
17 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use std::collections::HashSet;
|
|
use std::collections::VecDeque;
|
|
use std::sync::Arc;
|
|
|
|
use deno_ast::MediaType;
|
|
use deno_ast::ModuleSpecifier;
|
|
use deno_core::error::AnyError;
|
|
use deno_graph::Module;
|
|
use deno_graph::ModuleGraph;
|
|
use deno_runtime::deno_node::NodeResolver;
|
|
use deno_terminal::colors;
|
|
use once_cell::sync::Lazy;
|
|
use regex::Regex;
|
|
|
|
use crate::args::CliOptions;
|
|
use crate::args::TsConfig;
|
|
use crate::args::TsConfigType;
|
|
use crate::args::TsTypeLib;
|
|
use crate::args::TypeCheckMode;
|
|
use crate::cache::Caches;
|
|
use crate::cache::FastInsecureHasher;
|
|
use crate::cache::TypeCheckCache;
|
|
use crate::graph_util::BuildFastCheckGraphOptions;
|
|
use crate::graph_util::ModuleGraphBuilder;
|
|
use crate::npm::CliNpmResolver;
|
|
use crate::tsc;
|
|
use crate::tsc::Diagnostics;
|
|
use crate::version;
|
|
|
|
/// Options for performing a check of a module graph. Note that the decision to
|
|
/// emit or not is determined by the `ts_config` settings.
|
|
pub struct CheckOptions {
|
|
/// Whether to build the fast check type graph if necessary.
|
|
///
|
|
/// Note: For perf reasons, the fast check type graph is only
|
|
/// built if type checking is necessary.
|
|
pub build_fast_check_graph: bool,
|
|
/// Default type library to type check with.
|
|
pub lib: TsTypeLib,
|
|
/// Whether to log about any ignored compiler options.
|
|
pub log_ignored_options: bool,
|
|
/// If true, valid `.tsbuildinfo` files will be ignored and type checking
|
|
/// will always occur.
|
|
pub reload: bool,
|
|
/// Mode to type check with.
|
|
pub type_check_mode: TypeCheckMode,
|
|
}
|
|
|
|
pub struct TypeChecker {
|
|
caches: Arc<Caches>,
|
|
cli_options: Arc<CliOptions>,
|
|
module_graph_builder: Arc<ModuleGraphBuilder>,
|
|
node_resolver: Arc<NodeResolver>,
|
|
npm_resolver: Arc<dyn CliNpmResolver>,
|
|
}
|
|
|
|
impl TypeChecker {
|
|
pub fn new(
|
|
caches: Arc<Caches>,
|
|
cli_options: Arc<CliOptions>,
|
|
module_graph_builder: Arc<ModuleGraphBuilder>,
|
|
node_resolver: Arc<NodeResolver>,
|
|
npm_resolver: Arc<dyn CliNpmResolver>,
|
|
) -> Self {
|
|
Self {
|
|
caches,
|
|
cli_options,
|
|
module_graph_builder,
|
|
node_resolver,
|
|
npm_resolver,
|
|
}
|
|
}
|
|
|
|
/// Type check the module graph.
|
|
///
|
|
/// It is expected that it is determined if a check and/or emit is validated
|
|
/// before the function is called.
|
|
pub async fn check(
|
|
&self,
|
|
graph: ModuleGraph,
|
|
options: CheckOptions,
|
|
) -> Result<Arc<ModuleGraph>, AnyError> {
|
|
let (graph, diagnostics) = self.check_diagnostics(graph, options).await?;
|
|
if diagnostics.is_empty() {
|
|
Ok(graph)
|
|
} else {
|
|
Err(diagnostics.into())
|
|
}
|
|
}
|
|
|
|
/// Type check the module graph returning its diagnostics.
|
|
///
|
|
/// It is expected that it is determined if a check and/or emit is validated
|
|
/// before the function is called.
|
|
pub async fn check_diagnostics(
|
|
&self,
|
|
mut graph: ModuleGraph,
|
|
options: CheckOptions,
|
|
) -> Result<(Arc<ModuleGraph>, Diagnostics), AnyError> {
|
|
if !options.type_check_mode.is_true() || graph.roots.is_empty() {
|
|
return Ok((graph.into(), Default::default()));
|
|
}
|
|
|
|
// node built-in specifiers use the @types/node package to determine
|
|
// types, so inject that now (the caller should do this after the lockfile
|
|
// has been written)
|
|
if let Some(npm_resolver) = self.npm_resolver.as_managed() {
|
|
if graph.has_node_specifier {
|
|
npm_resolver.inject_synthetic_types_node_package().await?;
|
|
}
|
|
}
|
|
|
|
log::debug!("Type checking.");
|
|
let ts_config_result = self
|
|
.cli_options
|
|
.resolve_ts_config_for_emit(TsConfigType::Check { lib: options.lib })?;
|
|
if options.log_ignored_options {
|
|
if let Some(ignored_options) = ts_config_result.maybe_ignored_options {
|
|
log::warn!("{}", ignored_options);
|
|
}
|
|
}
|
|
|
|
let type_check_mode = options.type_check_mode;
|
|
let ts_config = ts_config_result.ts_config;
|
|
let maybe_check_hash = match self.npm_resolver.check_state_hash() {
|
|
Some(npm_check_hash) => {
|
|
match get_check_hash(
|
|
&graph,
|
|
npm_check_hash,
|
|
type_check_mode,
|
|
&ts_config,
|
|
) {
|
|
CheckHashResult::NoFiles => {
|
|
return Ok((graph.into(), Default::default()))
|
|
}
|
|
CheckHashResult::Hash(hash) => Some(hash),
|
|
}
|
|
}
|
|
None => None, // we can't determine a check hash
|
|
};
|
|
|
|
// do not type check if we know this is type checked
|
|
let cache = TypeCheckCache::new(self.caches.type_checking_cache_db());
|
|
if !options.reload {
|
|
if let Some(check_hash) = maybe_check_hash {
|
|
if cache.has_check_hash(check_hash) {
|
|
log::debug!("Already type checked.");
|
|
return Ok((graph.into(), Default::default()));
|
|
}
|
|
}
|
|
}
|
|
|
|
for root in &graph.roots {
|
|
let root_str = root.as_str();
|
|
log::info!("{} {}", colors::green("Check"), root_str);
|
|
}
|
|
|
|
let check_js = ts_config.get_check_js();
|
|
// while there might be multiple roots, we can't "merge" the build info, so we
|
|
// try to retrieve the build info for first root, which is the most common use
|
|
// case.
|
|
let maybe_tsbuildinfo = if options.reload {
|
|
None
|
|
} else {
|
|
cache.get_tsbuildinfo(&graph.roots[0])
|
|
};
|
|
// to make tsc build info work, we need to consistently hash modules, so that
|
|
// tsc can better determine if an emit is still valid or not, so we provide
|
|
// that data here.
|
|
let hash_data = FastInsecureHasher::new()
|
|
.write(&ts_config.as_bytes())
|
|
.write_str(version::deno())
|
|
.finish();
|
|
|
|
// add fast check to the graph before getting the roots
|
|
if options.build_fast_check_graph {
|
|
self.module_graph_builder.build_fast_check_graph(
|
|
&mut graph,
|
|
BuildFastCheckGraphOptions {
|
|
workspace_fast_check: false,
|
|
},
|
|
)?;
|
|
}
|
|
|
|
let root_names = get_tsc_roots(&graph, check_js);
|
|
let graph = Arc::new(graph);
|
|
let response = tsc::exec(tsc::Request {
|
|
config: ts_config,
|
|
debug: self.cli_options.log_level() == Some(log::Level::Debug),
|
|
graph: graph.clone(),
|
|
hash_data,
|
|
maybe_npm: Some(tsc::RequestNpmState {
|
|
node_resolver: self.node_resolver.clone(),
|
|
npm_resolver: self.npm_resolver.clone(),
|
|
}),
|
|
maybe_tsbuildinfo,
|
|
root_names,
|
|
check_mode: type_check_mode,
|
|
})?;
|
|
|
|
let mut diagnostics = if type_check_mode == TypeCheckMode::Local {
|
|
response.diagnostics.filter(|d| {
|
|
if let Some(file_name) = &d.file_name {
|
|
if !file_name.starts_with("http") {
|
|
if ModuleSpecifier::parse(file_name)
|
|
.map(|specifier| !self.node_resolver.in_npm_package(&specifier))
|
|
.unwrap_or(true)
|
|
{
|
|
Some(d.clone())
|
|
} else {
|
|
None
|
|
}
|
|
} else {
|
|
None
|
|
}
|
|
} else {
|
|
Some(d.clone())
|
|
}
|
|
})
|
|
} else {
|
|
response.diagnostics
|
|
};
|
|
|
|
diagnostics.apply_fast_check_source_maps(&graph);
|
|
|
|
if let Some(tsbuildinfo) = response.maybe_tsbuildinfo {
|
|
cache.set_tsbuildinfo(&graph.roots[0], &tsbuildinfo);
|
|
}
|
|
|
|
if diagnostics.is_empty() {
|
|
if let Some(check_hash) = maybe_check_hash {
|
|
cache.add_check_hash(check_hash);
|
|
}
|
|
}
|
|
|
|
log::debug!("{}", response.stats);
|
|
|
|
Ok((graph, diagnostics))
|
|
}
|
|
}
|
|
|
|
enum CheckHashResult {
|
|
Hash(u64),
|
|
NoFiles,
|
|
}
|
|
|
|
/// Gets a hash of the inputs for type checking. This can then
|
|
/// be used to tell
|
|
fn get_check_hash(
|
|
graph: &ModuleGraph,
|
|
package_reqs_hash: u64,
|
|
type_check_mode: TypeCheckMode,
|
|
ts_config: &TsConfig,
|
|
) -> CheckHashResult {
|
|
let mut hasher = FastInsecureHasher::new();
|
|
hasher.write_u8(match type_check_mode {
|
|
TypeCheckMode::All => 0,
|
|
TypeCheckMode::Local => 1,
|
|
TypeCheckMode::None => 2,
|
|
});
|
|
hasher.write(&ts_config.as_bytes());
|
|
|
|
let check_js = ts_config.get_check_js();
|
|
let mut has_file = false;
|
|
let mut has_file_to_type_check = false;
|
|
// this iterator of modules is already deterministic, so no need to sort it
|
|
for module in graph.modules() {
|
|
match module {
|
|
Module::Js(module) => {
|
|
let ts_check = has_ts_check(module.media_type, &module.source);
|
|
if ts_check {
|
|
has_file_to_type_check = true;
|
|
}
|
|
|
|
match module.media_type {
|
|
MediaType::TypeScript
|
|
| MediaType::Dts
|
|
| MediaType::Dmts
|
|
| MediaType::Dcts
|
|
| MediaType::Mts
|
|
| MediaType::Cts
|
|
| MediaType::Tsx => {
|
|
has_file = true;
|
|
has_file_to_type_check = true;
|
|
}
|
|
MediaType::JavaScript
|
|
| MediaType::Mjs
|
|
| MediaType::Cjs
|
|
| MediaType::Jsx => {
|
|
has_file = true;
|
|
if !check_js && !ts_check {
|
|
continue;
|
|
}
|
|
}
|
|
MediaType::Json
|
|
| MediaType::TsBuildInfo
|
|
| MediaType::SourceMap
|
|
| MediaType::Wasm
|
|
| MediaType::Unknown => continue,
|
|
}
|
|
|
|
hasher.write_str(module.specifier.as_str());
|
|
hasher.write_str(
|
|
// the fast check module will only be set when publishing
|
|
module
|
|
.fast_check_module()
|
|
.map(|s| s.source.as_ref())
|
|
.unwrap_or(&module.source),
|
|
);
|
|
}
|
|
Module::Node(_) => {
|
|
// the @types/node package will be in the resolved
|
|
// snapshot below so don't bother including it here
|
|
}
|
|
Module::Npm(_) => {
|
|
// don't bother adding this specifier to the hash
|
|
// because what matters is the resolved npm snapshot,
|
|
// which is hashed below
|
|
}
|
|
Module::Json(module) => {
|
|
has_file_to_type_check = true;
|
|
hasher.write_str(module.specifier.as_str());
|
|
hasher.write_str(&module.source);
|
|
}
|
|
Module::External(module) => {
|
|
hasher.write_str(module.specifier.as_str());
|
|
}
|
|
}
|
|
}
|
|
|
|
hasher.write_hashable(package_reqs_hash);
|
|
|
|
if !has_file || !check_js && !has_file_to_type_check {
|
|
// no files to type check
|
|
CheckHashResult::NoFiles
|
|
} else {
|
|
CheckHashResult::Hash(hasher.finish())
|
|
}
|
|
}
|
|
|
|
/// Transform the graph into root specifiers that we can feed `tsc`. We have to
|
|
/// provide the media type for root modules because `tsc` does not "resolve" the
|
|
/// media type like other modules, as well as a root specifier needs any
|
|
/// redirects resolved. We need to include all the emittable files in
|
|
/// the roots, so they get type checked and optionally emitted,
|
|
/// otherwise they would be ignored if only imported into JavaScript.
|
|
fn get_tsc_roots(
|
|
graph: &ModuleGraph,
|
|
check_js: bool,
|
|
) -> Vec<(ModuleSpecifier, MediaType)> {
|
|
fn maybe_get_check_entry(
|
|
module: &deno_graph::Module,
|
|
check_js: bool,
|
|
) -> Option<(ModuleSpecifier, MediaType)> {
|
|
match module {
|
|
Module::Js(module) => match module.media_type {
|
|
MediaType::TypeScript
|
|
| MediaType::Tsx
|
|
| MediaType::Mts
|
|
| MediaType::Cts
|
|
| MediaType::Dts
|
|
| MediaType::Dmts
|
|
| MediaType::Dcts => {
|
|
Some((module.specifier.clone(), module.media_type))
|
|
}
|
|
MediaType::JavaScript
|
|
| MediaType::Mjs
|
|
| MediaType::Cjs
|
|
| MediaType::Jsx => {
|
|
if check_js || has_ts_check(module.media_type, &module.source) {
|
|
Some((module.specifier.clone(), module.media_type))
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
MediaType::Json
|
|
| MediaType::Wasm
|
|
| MediaType::TsBuildInfo
|
|
| MediaType::SourceMap
|
|
| MediaType::Unknown => None,
|
|
},
|
|
Module::External(_)
|
|
| Module::Node(_)
|
|
| Module::Npm(_)
|
|
| Module::Json(_) => None,
|
|
}
|
|
}
|
|
|
|
let mut result = Vec::with_capacity(graph.specifiers_count());
|
|
if graph.has_node_specifier {
|
|
// inject a specifier that will resolve node types
|
|
result.push((
|
|
ModuleSpecifier::parse("asset:///node_types.d.ts").unwrap(),
|
|
MediaType::Dts,
|
|
));
|
|
}
|
|
|
|
let mut seen =
|
|
HashSet::with_capacity(graph.imports.len() + graph.specifiers_count());
|
|
let mut pending = VecDeque::new();
|
|
|
|
// put in the global types first so that they're resolved before anything else
|
|
for import in graph.imports.values() {
|
|
for dep in import.dependencies.values() {
|
|
let specifier = dep.get_type().or_else(|| dep.get_code());
|
|
if let Some(specifier) = &specifier {
|
|
let specifier = graph.resolve(specifier);
|
|
if seen.insert(specifier.clone()) {
|
|
pending.push_back(specifier);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// then the roots
|
|
for root in &graph.roots {
|
|
let specifier = graph.resolve(root);
|
|
if seen.insert(specifier.clone()) {
|
|
pending.push_back(specifier);
|
|
}
|
|
}
|
|
|
|
// now walk the graph that only includes the fast check dependencies
|
|
while let Some(specifier) = pending.pop_front() {
|
|
let Some(module) = graph.get(&specifier) else {
|
|
continue;
|
|
};
|
|
if let Some(entry) = maybe_get_check_entry(module, check_js) {
|
|
result.push(entry);
|
|
}
|
|
if let Some(module) = module.js() {
|
|
let deps = module.dependencies_prefer_fast_check();
|
|
for dep in deps.values() {
|
|
// walk both the code and type dependencies
|
|
if let Some(specifier) = dep.get_code() {
|
|
let specifier = graph.resolve(specifier);
|
|
if seen.insert(specifier.clone()) {
|
|
pending.push_back(specifier);
|
|
}
|
|
}
|
|
if let Some(specifier) = dep.get_type() {
|
|
let specifier = graph.resolve(specifier);
|
|
if seen.insert(specifier.clone()) {
|
|
pending.push_back(specifier);
|
|
}
|
|
}
|
|
}
|
|
|
|
if let Some(dep) = module
|
|
.maybe_types_dependency
|
|
.as_ref()
|
|
.and_then(|d| d.dependency.ok())
|
|
{
|
|
let specifier = graph.resolve(&dep.specifier);
|
|
if seen.insert(specifier.clone()) {
|
|
pending.push_back(specifier);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
result
|
|
}
|
|
|
|
/// Matches the `@ts-check` pragma.
|
|
static TS_CHECK_RE: Lazy<Regex> =
|
|
lazy_regex::lazy_regex!(r#"(?i)^\s*@ts-check(?:\s+|$)"#);
|
|
|
|
fn has_ts_check(media_type: MediaType, file_text: &str) -> bool {
|
|
match &media_type {
|
|
MediaType::JavaScript
|
|
| MediaType::Mjs
|
|
| MediaType::Cjs
|
|
| MediaType::Jsx => get_leading_comments(file_text)
|
|
.iter()
|
|
.any(|text| TS_CHECK_RE.is_match(text)),
|
|
MediaType::TypeScript
|
|
| MediaType::Mts
|
|
| MediaType::Cts
|
|
| MediaType::Dts
|
|
| MediaType::Dcts
|
|
| MediaType::Dmts
|
|
| MediaType::Tsx
|
|
| MediaType::Json
|
|
| MediaType::Wasm
|
|
| MediaType::TsBuildInfo
|
|
| MediaType::SourceMap
|
|
| MediaType::Unknown => false,
|
|
}
|
|
}
|
|
|
|
fn get_leading_comments(file_text: &str) -> Vec<String> {
|
|
let mut chars = file_text.chars().peekable();
|
|
|
|
// skip over the shebang
|
|
if file_text.starts_with("#!") {
|
|
// skip until the end of the line
|
|
for c in chars.by_ref() {
|
|
if c == '\n' {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
let mut results = Vec::new();
|
|
// now handle the comments
|
|
while chars.peek().is_some() {
|
|
// skip over any whitespace
|
|
while chars
|
|
.peek()
|
|
.map(|c| char::is_whitespace(*c))
|
|
.unwrap_or(false)
|
|
{
|
|
chars.next();
|
|
}
|
|
|
|
if chars.next() != Some('/') {
|
|
break;
|
|
}
|
|
match chars.next() {
|
|
Some('/') => {
|
|
let mut text = String::new();
|
|
for c in chars.by_ref() {
|
|
if c == '\n' {
|
|
break;
|
|
} else {
|
|
text.push(c);
|
|
}
|
|
}
|
|
results.push(text);
|
|
}
|
|
Some('*') => {
|
|
let mut text = String::new();
|
|
while let Some(c) = chars.next() {
|
|
if c == '*' && chars.peek() == Some(&'/') {
|
|
chars.next();
|
|
break;
|
|
} else {
|
|
text.push(c);
|
|
}
|
|
}
|
|
results.push(text);
|
|
}
|
|
_ => break,
|
|
}
|
|
}
|
|
results
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test {
|
|
use deno_ast::MediaType;
|
|
|
|
use super::get_leading_comments;
|
|
use super::has_ts_check;
|
|
|
|
#[test]
|
|
fn get_leading_comments_test() {
|
|
assert_eq!(
|
|
get_leading_comments(
|
|
"#!/usr/bin/env deno\r\n// test\n/* 1 *//*2*///3\n//\n /**/ /*4 */"
|
|
),
|
|
vec![
|
|
" test".to_string(),
|
|
" 1 ".to_string(),
|
|
"2".to_string(),
|
|
"3".to_string(),
|
|
"".to_string(),
|
|
"".to_string(),
|
|
"4 ".to_string(),
|
|
]
|
|
);
|
|
assert_eq!(
|
|
get_leading_comments("//1 /* */ \na;"),
|
|
vec!["1 /* */ ".to_string(),]
|
|
);
|
|
assert_eq!(get_leading_comments("//"), vec!["".to_string()]);
|
|
}
|
|
|
|
#[test]
|
|
fn has_ts_check_test() {
|
|
assert!(has_ts_check(
|
|
MediaType::JavaScript,
|
|
"// @ts-check\nconsole.log(5);"
|
|
));
|
|
assert!(has_ts_check(
|
|
MediaType::JavaScript,
|
|
"// deno-lint-ignore\n// @ts-check\n"
|
|
));
|
|
assert!(!has_ts_check(
|
|
MediaType::JavaScript,
|
|
"test;\n// @ts-check\n"
|
|
));
|
|
assert!(!has_ts_check(
|
|
MediaType::JavaScript,
|
|
"// ts-check\nconsole.log(5);"
|
|
));
|
|
}
|
|
}
|