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[ty] Add basic file watching to server (#17912)

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Micha Reiser 2025-05-07 19:03:30 +02:00 • committed by GitHub
parent 51e2effd2d
commit 51386b3c7a
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7 changed files with 203 additions and 14 deletions
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73
crates/ty_server/src/server.rs
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@ -7,7 +7,8 @@ use std::panic::PanicInfo;
use lsp_server::Message;
use lsp_types::{
ClientCapabilities, DiagnosticOptions, DiagnosticServerCapabilities, HoverProviderCapability,
ClientCapabilities, DiagnosticOptions, DiagnosticServerCapabilities,
DidChangeWatchedFilesRegistrationOptions, FileSystemWatcher, HoverProviderCapability,
InlayHintOptions, InlayHintServerCapabilities, MessageType, ServerCapabilities,
TextDocumentSyncCapability, TextDocumentSyncKind, TextDocumentSyncOptions,
TypeDefinitionProviderCapability, Url,
@ -24,6 +25,7 @@ mod connection;
mod schedule;
use crate::message::try_show_message;
use crate::server::schedule::Task;
pub(crate) use connection::ClientSender;
pub(crate) type Result<T> = std::result::Result<T, api::Error>;
@ -170,13 +172,80 @@ impl Server {
fn event_loop(
connection: &Connection,
_client_capabilities: &ClientCapabilities,
client_capabilities: &ClientCapabilities,
mut session: Session,
worker_threads: NonZeroUsize,
) -> crate::Result<()> {
let mut scheduler =
schedule::Scheduler::new(&mut session, worker_threads, connection.make_sender());
let fs_watcher = client_capabilities
.workspace
.as_ref()
.and_then(|workspace| workspace.did_change_watched_files?.dynamic_registration)
.unwrap_or_default();
if fs_watcher {
let registration = lsp_types::Registration {
id: "workspace/didChangeWatchedFiles".to_owned(),
method: "workspace/didChangeWatchedFiles".to_owned(),
register_options: Some(
serde_json::to_value(DidChangeWatchedFilesRegistrationOptions {
watchers: vec![
FileSystemWatcher {
glob_pattern: lsp_types::GlobPattern::String("**/ty.toml".into()),
kind: None,
},
FileSystemWatcher {
glob_pattern: lsp_types::GlobPattern::String(
"**/.gitignore".into(),
),
kind: None,
},
FileSystemWatcher {
glob_pattern: lsp_types::GlobPattern::String("**/.ignore".into()),
kind: None,
},
FileSystemWatcher {
glob_pattern: lsp_types::GlobPattern::String(
"**/pyproject.toml".into(),
),
kind: None,
},
FileSystemWatcher {
glob_pattern: lsp_types::GlobPattern::String("**/*.py".into()),
kind: None,
},
FileSystemWatcher {
glob_pattern: lsp_types::GlobPattern::String("**/*.pyi".into()),
kind: None,
},
FileSystemWatcher {
glob_pattern: lsp_types::GlobPattern::String("**/*.ipynb".into()),
kind: None,
},
],
})
.unwrap(),
),
};
let response_handler = |()| {
tracing::info!("File watcher successfully registered");
Task::nothing()
};
if let Err(err) = scheduler.request::<lsp_types::request::RegisterCapability>(
lsp_types::RegistrationParams {
registrations: vec![registration],
},
response_handler,
) {
tracing::error!("An error occurred when trying to register the configuration file watcher: {err}");
}
} else {
tracing::warn!("The client does not support file system watching.");
}
for msg in connection.incoming() {
if connection.handle_shutdown(&msg)? {
break;