mirror of
https://github.com/denoland/deno.git
synced 2024-11-14 16:33:45 -05:00
672 lines
22 KiB
Rust
672 lines
22 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use crate::cache;
|
|
use crate::colors;
|
|
use crate::compat;
|
|
use crate::compat::NodeEsmResolver;
|
|
use crate::config_file::ConfigFile;
|
|
use crate::deno_dir;
|
|
use crate::emit;
|
|
use crate::errors::get_module_graph_error_class;
|
|
use crate::file_fetcher::CacheSetting;
|
|
use crate::file_fetcher::FileFetcher;
|
|
use crate::flags;
|
|
use crate::http_cache;
|
|
use crate::lockfile::as_maybe_locker;
|
|
use crate::lockfile::Lockfile;
|
|
use crate::resolver::ImportMapResolver;
|
|
use crate::source_maps::SourceMapGetter;
|
|
use crate::version;
|
|
|
|
use deno_core::error::anyhow;
|
|
use deno_core::error::custom_error;
|
|
use deno_core::error::get_custom_error_class;
|
|
use deno_core::error::AnyError;
|
|
use deno_core::error::Context;
|
|
use deno_core::parking_lot::Mutex;
|
|
use deno_core::resolve_url;
|
|
use deno_core::url::Url;
|
|
use deno_core::CompiledWasmModuleStore;
|
|
use deno_core::ModuleSource;
|
|
use deno_core::ModuleSpecifier;
|
|
use deno_core::SharedArrayBufferStore;
|
|
use deno_runtime::deno_broadcast_channel::InMemoryBroadcastChannel;
|
|
use deno_runtime::deno_web::BlobStore;
|
|
use deno_runtime::inspector_server::InspectorServer;
|
|
use deno_runtime::permissions::Permissions;
|
|
use deno_tls::rustls::RootCertStore;
|
|
use deno_tls::rustls_native_certs::load_native_certs;
|
|
use deno_tls::webpki_roots::TLS_SERVER_ROOTS;
|
|
use import_map::ImportMap;
|
|
use std::collections::HashMap;
|
|
use std::collections::HashSet;
|
|
use std::env;
|
|
use std::fs::File;
|
|
use std::io::BufReader;
|
|
use std::ops::Deref;
|
|
use std::sync::Arc;
|
|
|
|
/// This structure represents state of single "deno" program.
|
|
///
|
|
/// It is shared by all created workers (thus V8 isolates).
|
|
#[derive(Clone)]
|
|
pub struct ProcState(Arc<Inner>);
|
|
|
|
#[derive(Default)]
|
|
struct GraphData {
|
|
modules: HashMap<ModuleSpecifier, Result<ModuleSource, AnyError>>,
|
|
// because the graph detects resolution issues early, but is build and dropped
|
|
// during the `prepare_module_load` method, we need to extract out the module
|
|
// resolution map so that those errors can be surfaced at the appropriate time
|
|
resolution_map:
|
|
HashMap<ModuleSpecifier, HashMap<String, deno_graph::Resolved>>,
|
|
// in some cases we want to provide the range where the resolution error
|
|
// occurred but need to surface it on load, but on load we don't know who the
|
|
// referrer and span was, so we need to cache those
|
|
resolved_map: HashMap<ModuleSpecifier, deno_graph::Range>,
|
|
// deno_graph detects all sorts of issues at build time (prepare_module_load)
|
|
// but if they are errors at that stage, the don't cause the correct behaviors
|
|
// so we cache the error and then surface it when appropriate (e.g. load)
|
|
maybe_graph_error: Option<deno_graph::ModuleGraphError>,
|
|
}
|
|
|
|
pub struct Inner {
|
|
/// Flags parsed from `argv` contents.
|
|
pub flags: flags::Flags,
|
|
pub dir: deno_dir::DenoDir,
|
|
pub coverage_dir: Option<String>,
|
|
pub file_fetcher: FileFetcher,
|
|
graph_data: Arc<Mutex<GraphData>>,
|
|
pub lockfile: Option<Arc<Mutex<Lockfile>>>,
|
|
pub maybe_config_file: Option<ConfigFile>,
|
|
pub maybe_import_map: Option<ImportMap>,
|
|
pub maybe_inspector_server: Option<Arc<InspectorServer>>,
|
|
pub root_cert_store: Option<RootCertStore>,
|
|
pub blob_store: BlobStore,
|
|
pub broadcast_channel: InMemoryBroadcastChannel,
|
|
pub shared_array_buffer_store: SharedArrayBufferStore,
|
|
pub compiled_wasm_module_store: CompiledWasmModuleStore,
|
|
}
|
|
|
|
impl Deref for ProcState {
|
|
type Target = Arc<Inner>;
|
|
fn deref(&self) -> &Self::Target {
|
|
&self.0
|
|
}
|
|
}
|
|
|
|
impl ProcState {
|
|
pub async fn build(flags: flags::Flags) -> Result<Self, AnyError> {
|
|
let maybe_custom_root = flags
|
|
.cache_path
|
|
.clone()
|
|
.or_else(|| env::var("DENO_DIR").map(String::into).ok());
|
|
let dir = deno_dir::DenoDir::new(maybe_custom_root)?;
|
|
let deps_cache_location = dir.root.join("deps");
|
|
let http_cache = http_cache::HttpCache::new(&deps_cache_location);
|
|
|
|
let mut root_cert_store = RootCertStore::empty();
|
|
let ca_stores: Vec<String> = flags
|
|
.ca_stores
|
|
.clone()
|
|
.or_else(|| {
|
|
let env_ca_store = env::var("DENO_TLS_CA_STORE").ok()?;
|
|
Some(
|
|
env_ca_store
|
|
.split(',')
|
|
.map(|s| s.trim().to_string())
|
|
.filter(|s| !s.is_empty())
|
|
.collect(),
|
|
)
|
|
})
|
|
.unwrap_or_else(|| vec!["mozilla".to_string()]);
|
|
|
|
for store in ca_stores.iter() {
|
|
match store.as_str() {
|
|
"mozilla" => {
|
|
root_cert_store.add_server_trust_anchors(&TLS_SERVER_ROOTS);
|
|
}
|
|
"system" => {
|
|
let roots = load_native_certs()
|
|
.expect("could not load platform certs")
|
|
.roots;
|
|
root_cert_store.roots.extend(roots);
|
|
}
|
|
_ => {
|
|
return Err(anyhow!("Unknown certificate store \"{}\" specified (allowed: \"system,mozilla\")", store));
|
|
}
|
|
}
|
|
}
|
|
|
|
let ca_file = flags.ca_file.clone().or_else(|| env::var("DENO_CERT").ok());
|
|
if let Some(ca_file) = ca_file {
|
|
let certfile = File::open(&ca_file)?;
|
|
let mut reader = BufReader::new(certfile);
|
|
|
|
// This function does not return specific errors, if it fails give a generic message.
|
|
if let Err(_err) = root_cert_store.add_pem_file(&mut reader) {
|
|
return Err(anyhow!("Unable to add pem file to certificate store"));
|
|
}
|
|
}
|
|
|
|
if let Some(insecure_allowlist) =
|
|
flags.unsafely_ignore_certificate_errors.as_ref()
|
|
{
|
|
let domains = if insecure_allowlist.is_empty() {
|
|
"for all hostnames".to_string()
|
|
} else {
|
|
format!("for: {}", insecure_allowlist.join(", "))
|
|
};
|
|
let msg =
|
|
format!("DANGER: TLS certificate validation is disabled {}", domains);
|
|
eprintln!("{}", colors::yellow(msg));
|
|
}
|
|
|
|
let cache_usage = if flags.cached_only {
|
|
CacheSetting::Only
|
|
} else if !flags.cache_blocklist.is_empty() {
|
|
CacheSetting::ReloadSome(flags.cache_blocklist.clone())
|
|
} else if flags.reload {
|
|
CacheSetting::ReloadAll
|
|
} else {
|
|
CacheSetting::Use
|
|
};
|
|
|
|
let blob_store = BlobStore::default();
|
|
let broadcast_channel = InMemoryBroadcastChannel::default();
|
|
let shared_array_buffer_store = SharedArrayBufferStore::default();
|
|
let compiled_wasm_module_store = CompiledWasmModuleStore::default();
|
|
|
|
let file_fetcher = FileFetcher::new(
|
|
http_cache,
|
|
cache_usage,
|
|
!flags.no_remote,
|
|
Some(root_cert_store.clone()),
|
|
blob_store.clone(),
|
|
flags.unsafely_ignore_certificate_errors.clone(),
|
|
)?;
|
|
|
|
let lockfile = if let Some(filename) = &flags.lock {
|
|
let lockfile = Lockfile::new(filename.clone(), flags.lock_write)?;
|
|
Some(Arc::new(Mutex::new(lockfile)))
|
|
} else {
|
|
None
|
|
};
|
|
|
|
let maybe_config_file =
|
|
if let Some(config_path) = flags.config_path.as_ref() {
|
|
Some(ConfigFile::read(config_path)?)
|
|
} else {
|
|
None
|
|
};
|
|
|
|
let maybe_import_map: Option<ImportMap> =
|
|
match flags.import_map_path.as_ref() {
|
|
None => None,
|
|
Some(import_map_url) => {
|
|
let import_map_specifier =
|
|
deno_core::resolve_url_or_path(import_map_url).context(format!(
|
|
"Bad URL (\"{}\") for import map.",
|
|
import_map_url
|
|
))?;
|
|
let file = file_fetcher
|
|
.fetch(&import_map_specifier, &mut Permissions::allow_all())
|
|
.await
|
|
.context(format!(
|
|
"Unable to load '{}' import map",
|
|
import_map_specifier
|
|
))?;
|
|
let import_map =
|
|
ImportMap::from_json(import_map_specifier.as_str(), &file.source)?;
|
|
Some(import_map)
|
|
}
|
|
};
|
|
|
|
let maybe_inspect_host = flags.inspect.or(flags.inspect_brk);
|
|
let maybe_inspector_server = maybe_inspect_host.map(|host| {
|
|
Arc::new(InspectorServer::new(host, version::get_user_agent()))
|
|
});
|
|
|
|
let coverage_dir = flags
|
|
.coverage_dir
|
|
.clone()
|
|
.or_else(|| env::var("DENO_UNSTABLE_COVERAGE_DIR").ok());
|
|
|
|
Ok(ProcState(Arc::new(Inner {
|
|
dir,
|
|
coverage_dir,
|
|
flags,
|
|
file_fetcher,
|
|
graph_data: Default::default(),
|
|
lockfile,
|
|
maybe_config_file,
|
|
maybe_import_map,
|
|
maybe_inspector_server,
|
|
root_cert_store: Some(root_cert_store.clone()),
|
|
blob_store,
|
|
broadcast_channel,
|
|
shared_array_buffer_store,
|
|
compiled_wasm_module_store,
|
|
})))
|
|
}
|
|
|
|
pub(crate) fn take_graph_error(
|
|
&self,
|
|
) -> Option<deno_graph::ModuleGraphError> {
|
|
self.graph_data.lock().maybe_graph_error.take()
|
|
}
|
|
|
|
/// Return any imports that should be brought into the scope of the module
|
|
/// graph.
|
|
fn get_maybe_imports(&self) -> Option<Vec<(ModuleSpecifier, Vec<String>)>> {
|
|
let mut imports = Vec::new();
|
|
if let Some(config_file) = &self.maybe_config_file {
|
|
if let Some(config_imports) = config_file.to_maybe_imports() {
|
|
imports.extend(config_imports);
|
|
}
|
|
}
|
|
if self.flags.compat {
|
|
imports.extend(compat::get_node_imports());
|
|
}
|
|
if imports.is_empty() {
|
|
None
|
|
} else {
|
|
Some(imports)
|
|
}
|
|
}
|
|
|
|
/// This method is called when a module requested by the `JsRuntime` is not
|
|
/// available, or in other sub-commands that need to "load" a module graph.
|
|
/// The method will collect all the dependencies of the provided specifier,
|
|
/// optionally checks their integrity, optionally type checks them, and
|
|
/// ensures that any modules that needs to be transpiled is transpiled.
|
|
///
|
|
/// It then populates the `loadable_modules` with what can be loaded into v8.
|
|
pub(crate) async fn prepare_module_load(
|
|
&self,
|
|
roots: Vec<ModuleSpecifier>,
|
|
is_dynamic: bool,
|
|
lib: emit::TypeLib,
|
|
root_permissions: Permissions,
|
|
dynamic_permissions: Permissions,
|
|
) -> Result<(), AnyError> {
|
|
let mut cache = cache::FetchCacher::new(
|
|
self.dir.gen_cache.clone(),
|
|
self.file_fetcher.clone(),
|
|
root_permissions.clone(),
|
|
dynamic_permissions.clone(),
|
|
);
|
|
let maybe_locker = as_maybe_locker(self.lockfile.clone());
|
|
let maybe_imports = self.get_maybe_imports();
|
|
let node_resolver = NodeEsmResolver;
|
|
let import_map_resolver =
|
|
self.maybe_import_map.as_ref().map(ImportMapResolver::new);
|
|
let maybe_resolver = if self.flags.compat {
|
|
Some(node_resolver.as_resolver())
|
|
} else {
|
|
import_map_resolver.as_ref().map(|im| im.as_resolver())
|
|
};
|
|
// TODO(bartlomieju): this is very make-shift, is there an existing API
|
|
// that we could include it like with "maybe_imports"?
|
|
let roots = if self.flags.compat {
|
|
let mut r = vec![compat::GLOBAL_URL.clone()];
|
|
r.extend(roots);
|
|
r
|
|
} else {
|
|
roots
|
|
};
|
|
let graph = deno_graph::create_graph(
|
|
roots,
|
|
is_dynamic,
|
|
maybe_imports,
|
|
&mut cache,
|
|
maybe_resolver,
|
|
maybe_locker,
|
|
None,
|
|
)
|
|
.await;
|
|
// If there was a locker, validate the integrity of all the modules in the
|
|
// locker.
|
|
emit::lock(&graph);
|
|
|
|
// Determine any modules that have already been emitted this session and
|
|
// should be skipped.
|
|
let reload_exclusions: HashSet<ModuleSpecifier> = {
|
|
let graph_data = self.graph_data.lock();
|
|
graph_data.modules.keys().cloned().collect()
|
|
};
|
|
|
|
let config_type = if self.flags.no_check {
|
|
emit::ConfigType::Emit
|
|
} else {
|
|
emit::ConfigType::Check {
|
|
tsc_emit: true,
|
|
lib,
|
|
}
|
|
};
|
|
|
|
let (ts_config, maybe_ignored_options) =
|
|
emit::get_ts_config(config_type, self.maybe_config_file.as_ref(), None)?;
|
|
let graph = Arc::new(graph);
|
|
|
|
// we will store this in proc state later, as if we were to return it from
|
|
// prepare_load, some dynamic errors would not be catchable
|
|
let maybe_graph_error = graph.valid().err();
|
|
|
|
if emit::valid_emit(
|
|
graph.as_ref(),
|
|
&cache,
|
|
&ts_config,
|
|
self.flags.reload,
|
|
&reload_exclusions,
|
|
) {
|
|
if let Some(root) = graph.roots.get(0) {
|
|
log::debug!("specifier \"{}\" and dependencies have valid emit, skipping checking and emitting", root);
|
|
} else {
|
|
log::debug!("rootless graph, skipping checking and emitting");
|
|
}
|
|
} else {
|
|
if let Some(ignored_options) = maybe_ignored_options {
|
|
log::warn!("{}", ignored_options);
|
|
}
|
|
let emit_result = if self.flags.no_check {
|
|
let options = emit::EmitOptions {
|
|
ts_config,
|
|
reload_exclusions,
|
|
reload: self.flags.reload,
|
|
};
|
|
emit::emit(graph.as_ref(), &mut cache, options)?
|
|
} else {
|
|
// here, we are type checking, so we want to error here if any of the
|
|
// type only dependencies are missing or we have other errors with them
|
|
// where as if we are not type checking, we shouldn't care about these
|
|
// errors, and they don't get returned in `graph.valid()` above.
|
|
graph.valid_types_only()?;
|
|
|
|
let maybe_config_specifier = self
|
|
.maybe_config_file
|
|
.as_ref()
|
|
.map(|cf| ModuleSpecifier::from_file_path(&cf.path).unwrap());
|
|
let options = emit::CheckOptions {
|
|
debug: self.flags.log_level == Some(log::Level::Debug),
|
|
emit_with_diagnostics: false,
|
|
maybe_config_specifier,
|
|
ts_config,
|
|
};
|
|
for root in &graph.roots {
|
|
let root_str = root.to_string();
|
|
// `$deno$` specifiers are internal specifiers, printing out that
|
|
// they are being checked is confusing to a user, since they don't
|
|
// actually exist, so we will simply indicate that a generated module
|
|
// is being checked instead of the cryptic internal module
|
|
if !root_str.contains("$deno$") {
|
|
log::info!("{} {}", colors::green("Check"), root);
|
|
} else {
|
|
log::info!("{} a generated module", colors::green("Check"))
|
|
}
|
|
}
|
|
emit::check_and_maybe_emit(graph.clone(), &mut cache, options)?
|
|
};
|
|
log::debug!("{}", emit_result.stats);
|
|
// if the graph is not valid then the diagnostics returned are bogus and
|
|
// should just be ignored so that module loading can proceed to allow the
|
|
// "real" error to be surfaced
|
|
if !emit_result.diagnostics.is_empty() && maybe_graph_error.is_none() {
|
|
return Err(anyhow!(emit_result.diagnostics));
|
|
}
|
|
}
|
|
|
|
{
|
|
let mut graph_data = self.graph_data.lock();
|
|
// we iterate over the graph, looking for any modules that were emitted, or
|
|
// should be loaded as their un-emitted source and add them to the in memory
|
|
// cache of modules for loading by deno_core.
|
|
graph_data
|
|
.modules
|
|
.extend(emit::to_module_sources(graph.as_ref(), &cache));
|
|
|
|
// since we can't store the graph in proc state, because proc state needs to
|
|
// be thread safe because of the need to provide source map resolution and
|
|
// the graph needs to not be thread safe (due to wasmbind_gen constraints),
|
|
// we have no choice but to extract out other meta data from the graph to
|
|
// provide the correct loading behaviors for CLI
|
|
graph_data.resolution_map.extend(graph.resolution_map());
|
|
|
|
graph_data.maybe_graph_error = maybe_graph_error;
|
|
}
|
|
|
|
// any updates to the lockfile should be updated now
|
|
if let Some(ref lockfile) = self.lockfile {
|
|
let g = lockfile.lock();
|
|
g.write()?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub(crate) fn resolve(
|
|
&self,
|
|
specifier: &str,
|
|
referrer: &str,
|
|
) -> Result<ModuleSpecifier, AnyError> {
|
|
if let Ok(s) = deno_core::resolve_url_or_path(referrer) {
|
|
let maybe_resolved = {
|
|
let graph_data = self.graph_data.lock();
|
|
let resolved_specifier = graph_data
|
|
.resolution_map
|
|
.get(&s)
|
|
.and_then(|map| map.get(specifier));
|
|
resolved_specifier.cloned()
|
|
};
|
|
|
|
if let Some(resolved) = maybe_resolved {
|
|
match resolved {
|
|
Some(Ok((specifier, span))) => {
|
|
let mut graph_data = self.graph_data.lock();
|
|
graph_data.resolved_map.insert(specifier.clone(), span);
|
|
return Ok(specifier);
|
|
}
|
|
Some(Err(err)) => {
|
|
return Err(custom_error(
|
|
"TypeError",
|
|
format!("{}\n", err.to_string_with_range()),
|
|
))
|
|
}
|
|
_ => (),
|
|
}
|
|
}
|
|
}
|
|
|
|
// FIXME(bartlomieju): hacky way to provide compatibility with repl
|
|
let referrer = if referrer.is_empty() && self.flags.repl {
|
|
deno_core::DUMMY_SPECIFIER
|
|
} else {
|
|
referrer
|
|
};
|
|
if let Some(import_map) = &self.maybe_import_map {
|
|
import_map
|
|
.resolve(specifier, referrer)
|
|
.map_err(|err| err.into())
|
|
} else {
|
|
deno_core::resolve_import(specifier, referrer).map_err(|err| err.into())
|
|
}
|
|
}
|
|
|
|
pub fn load(
|
|
&self,
|
|
specifier: ModuleSpecifier,
|
|
maybe_referrer: Option<ModuleSpecifier>,
|
|
is_dynamic: bool,
|
|
) -> Result<ModuleSource, AnyError> {
|
|
log::debug!(
|
|
"specifier: {} maybe_referrer: {} is_dynamic: {}",
|
|
specifier,
|
|
maybe_referrer
|
|
.as_ref()
|
|
.map(|s| s.to_string())
|
|
.unwrap_or_else(|| "<none>".to_string()),
|
|
is_dynamic
|
|
);
|
|
|
|
{
|
|
let graph_data = self.graph_data.lock();
|
|
if let Some(module_result) = graph_data.modules.get(&specifier) {
|
|
if let Ok(module_source) = module_result {
|
|
return Ok(module_source.clone());
|
|
}
|
|
} else {
|
|
if maybe_referrer.is_some() && !is_dynamic {
|
|
if let Some(span) = graph_data.resolved_map.get(&specifier) {
|
|
return Err(custom_error(
|
|
"NotFound",
|
|
format!("Cannot load module \"{}\".\n at {}", specifier, span),
|
|
));
|
|
}
|
|
}
|
|
return Err(custom_error(
|
|
"NotFound",
|
|
format!("Cannot load module \"{}\".", specifier),
|
|
));
|
|
}
|
|
}
|
|
|
|
// If we're this far it means that there was an error for this module load.
|
|
let mut graph_data = self.graph_data.lock();
|
|
let err = graph_data
|
|
.modules
|
|
.get(&specifier)
|
|
.unwrap()
|
|
.as_ref()
|
|
.unwrap_err();
|
|
// this is the "pending" error we will return
|
|
let err = if let Some(error_class) = get_custom_error_class(err) {
|
|
if error_class == "NotFound" && maybe_referrer.is_some() && !is_dynamic {
|
|
// in situations where we were to try to load a module that wasn't
|
|
// emitted and we can't run the original source code (it isn't)
|
|
// JavaScript, we will load a blank module instead. This is
|
|
// usually caused by people exporting type only exports and not
|
|
// type checking.
|
|
if let Some(span) = graph_data.resolved_map.get(&specifier) {
|
|
log::warn!("{}: Cannot load module \"{}\".\n at {}\n If the source module contains only types, use `import type` and `export type` to import it instead.", colors::yellow("warning"), specifier, span);
|
|
return Ok(ModuleSource {
|
|
code: "".to_string(),
|
|
module_url_found: specifier.to_string(),
|
|
module_url_specified: specifier.to_string(),
|
|
});
|
|
}
|
|
}
|
|
custom_error(error_class, err.to_string())
|
|
} else {
|
|
anyhow!(err.to_string())
|
|
};
|
|
// if there is a pending graph error though we haven't returned, we
|
|
// will return that one
|
|
if let Some(graph_error) = graph_data.maybe_graph_error.take() {
|
|
log::debug!("returning cached graph error");
|
|
if let Some(span) = graph_data.resolved_map.get(&specifier) {
|
|
if !span.specifier.as_str().contains("$deno") {
|
|
return Err(custom_error(
|
|
get_module_graph_error_class(&graph_error),
|
|
format!("{}\n at {}", graph_error, span),
|
|
));
|
|
}
|
|
}
|
|
Err(graph_error.into())
|
|
} else {
|
|
Err(err)
|
|
}
|
|
}
|
|
|
|
// TODO(@kitsonk) this should be refactored to get it from the module graph
|
|
fn get_emit(&self, url: &Url) -> Option<(Vec<u8>, Option<Vec<u8>>)> {
|
|
match url.scheme() {
|
|
// we should only be looking for emits for schemes that denote external
|
|
// modules, which the disk_cache supports
|
|
"wasm" | "file" | "http" | "https" | "data" | "blob" => (),
|
|
_ => {
|
|
return None;
|
|
}
|
|
}
|
|
let emit_path = self
|
|
.dir
|
|
.gen_cache
|
|
.get_cache_filename_with_extension(url, "js")?;
|
|
let emit_map_path = self
|
|
.dir
|
|
.gen_cache
|
|
.get_cache_filename_with_extension(url, "js.map")?;
|
|
if let Ok(code) = self.dir.gen_cache.get(&emit_path) {
|
|
let maybe_map = if let Ok(map) = self.dir.gen_cache.get(&emit_map_path) {
|
|
Some(map)
|
|
} else {
|
|
None
|
|
};
|
|
Some((code, maybe_map))
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO(@kitsonk) this is only temporary, but should be refactored to somewhere
|
|
// else, like a refactored file_fetcher.
|
|
impl SourceMapGetter for ProcState {
|
|
fn get_source_map(&self, file_name: &str) -> Option<Vec<u8>> {
|
|
if let Ok(specifier) = resolve_url(file_name) {
|
|
if let Some((code, maybe_map)) = self.get_emit(&specifier) {
|
|
let code = String::from_utf8(code).unwrap();
|
|
source_map_from_code(code).or(maybe_map)
|
|
} else if let Ok(source) = self.load(specifier, None, false) {
|
|
source_map_from_code(source.code)
|
|
} else {
|
|
None
|
|
}
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn get_source_line(
|
|
&self,
|
|
file_name: &str,
|
|
line_number: usize,
|
|
) -> Option<String> {
|
|
if let Ok(specifier) = resolve_url(file_name) {
|
|
self.file_fetcher.get_source(&specifier).map(|out| {
|
|
// Do NOT use .lines(): it skips the terminating empty line.
|
|
// (due to internally using .split_terminator() instead of .split())
|
|
let lines: Vec<&str> = out.source.split('\n').collect();
|
|
if line_number >= lines.len() {
|
|
format!(
|
|
"{} Couldn't format source line: Line {} is out of bounds (source may have changed at runtime)",
|
|
crate::colors::yellow("Warning"), line_number + 1,
|
|
)
|
|
} else {
|
|
lines[line_number].to_string()
|
|
}
|
|
})
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|
|
|
|
fn source_map_from_code(code: String) -> Option<Vec<u8>> {
|
|
let lines: Vec<&str> = code.split('\n').collect();
|
|
if let Some(last_line) = lines.last() {
|
|
if last_line
|
|
.starts_with("//# sourceMappingURL=data:application/json;base64,")
|
|
{
|
|
let input = last_line.trim_start_matches(
|
|
"//# sourceMappingURL=data:application/json;base64,",
|
|
);
|
|
let decoded_map = base64::decode(input)
|
|
.expect("Unable to decode source map from emitted file.");
|
|
Some(decoded_map)
|
|
} else {
|
|
None
|
|
}
|
|
} else {
|
|
None
|
|
}
|
|
}
|