feat(core): workspace watcher

crates/biome_cli/src/commands/daemon.rs

@@ -6,7 +6,7 @@ use crate::{
 use biome_console::{markup, ConsoleExt};
 use biome_fs::OsFileSystem;
 use biome_lsp::ServerFactory;
-use biome_service::{workspace::WorkspaceClient, TransportError, WorkspaceError};
+use biome_service::{workspace::WorkspaceClient, TransportError, WorkspaceError, WorkspaceWatcher};
 use camino::{Utf8Path, Utf8PathBuf};
 use std::{env, fs};
 use tokio::io;
@@ -80,8 +80,10 @@ pub(crate) fn run_server(
 ) -> Result<(), CliDiagnostic> {
     setup_tracing_subscriber(log_path.as_deref(), log_file_name_prefix.as_deref());
 
+    let (mut watcher, instruction_channel) = WorkspaceWatcher::new()?;
+
     let rt = Runtime::new()?;
-    let factory = ServerFactory::new(stop_on_disconnect);
+    let factory = ServerFactory::new(stop_on_disconnect, instruction_channel.sender.clone());
     let cancellation = factory.cancellation();
     let span = debug_span!("Running Server",
         pid = std::process::id(),
@@ -90,6 +92,11 @@ pub(crate) fn run_server(
         log_file_name_prefix = &log_file_name_prefix.as_deref(),
     );
 
+    let workspace = factory.workspace();
+    rt.spawn_blocking(move || {
+        watcher.run(workspace.as_ref());
+    });
+
     rt.block_on(async move {
         tokio::select! {
             res = run_daemon(factory, config_path).instrument(span) => {

crates/biome_cli/src/commands/mod.rs

@@ -811,6 +811,7 @@ pub(crate) trait CommandRunner: Sized {
             let result = workspace.scan_project_folder(ScanProjectFolderParams {
                 project_key,
                 path: Some(project_path),
+                watch: cli_options.use_server,
             })?;
             for diagnostic in result.diagnostics {
                 if diagnostic.severity() >= Severity::Error {

crates/biome_cli/src/execute/migrate.rs

@@ -79,7 +79,7 @@ pub(crate) fn run(migrate_payload: MigratePayload) -> Result<(), CliDiagnostic>
         project_key,
         path: biome_path.clone(),
         content: FileContent::FromClient(biome_config_content.to_string()),
-        version: 0,
+        version: Some(0),
         document_file_source: Some(JsonFileSource::json().into()),
         persist_node_cache: false,
     })?;

crates/biome_cli/src/execute/mod.rs

@@ -600,7 +600,7 @@ pub fn execute_mode(
                     project_key,
                     content: FileContent::FromClient(content),
                     path: report_file.clone(),
-                    version: 0,
+                    version: None,
                     document_file_source: None,
                     persist_node_cache: false,
                 })?;

crates/biome_cli/src/execute/process_file/workspace_file.rs

@@ -37,7 +37,7 @@ impl<'ctx, 'app> WorkspaceFile<'ctx, 'app> {
                 project_key: ctx.project_key,
                 document_file_source: None,
                 path: path.clone(),
-                version: 0,
+                version: None,
                 content: FileContent::FromClient(input.clone()),
                 persist_node_cache: false,
             },

crates/biome_cli/src/execute/std_in.rs

@@ -50,7 +50,7 @@ pub(crate) fn run<'a>(
             workspace.open_file(OpenFileParams {
                 project_key,
                 path: biome_path.clone(),
-                version: 0,
+                version: None,
                 content: FileContent::FromClient(content.into()),
                 document_file_source: None,
                 persist_node_cache: false,
@@ -85,7 +85,7 @@ pub(crate) fn run<'a>(
         workspace.open_file(OpenFileParams {
             project_key,
             path: biome_path.clone(),
-            version: 0,
+            version: None,
             content: FileContent::FromClient(content.into()),
             document_file_source: None,
             persist_node_cache: false,

crates/biome_cli/tests/main.rs

@@ -9,7 +9,7 @@ use snap_test::assert_cli_snapshot;
 
 use biome_cli::{biome_command, CliDiagnostic, CliSession};
 use biome_console::{markup, BufferConsole, Console, ConsoleExt};
-use biome_fs::{FileSystem, MemoryFileSystem};
+use biome_fs::{FileSystem, MemoryFileSystem, OsFileSystem};
 use biome_service::App;
 use bpaf::ParseFailure;
 
@@ -359,7 +359,7 @@ pub(crate) fn run_cli_with_dyn_fs(
         runtime::Runtime,
     };
 
-    let factory = ServerFactory::default();
+    let factory = ServerFactory::new_with_fs(Box::new(OsFileSystem::default()));
     let connection = factory.create(None);
 
     let runtime = Runtime::new().expect("failed to create runtime");

crates/biome_fs/src/fs.rs

@@ -9,6 +9,7 @@ use serde::{Deserialize, Serialize};
 use std::collections::BTreeSet;
 use std::fmt::{Debug, Display, Formatter};
 use std::panic::RefUnwindSafe;
+use std::path::Path;
 use std::sync::Arc;
 use std::{fmt, io};
 use tracing::{error, info};
@@ -450,6 +451,17 @@ impl Display for FileSystemDiagnostic {
     }
 }
 
+impl FileSystemDiagnostic {
+    pub fn non_utf8_path(path: &Path) -> Self {
+        Self {
+            severity: Severity::Error,
+            path: path.display().to_string(),
+            error_kind: FsErrorKind::NonUtf8Path,
+            source: None,
+        }
+    }
+}
+
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub enum FsErrorKind {
     /// File not found

crates/biome_fs/src/fs/os.rs

@@ -501,7 +501,7 @@ impl From<FileType> for FsErrorKind {
 pub struct TemporaryFs {
     /// The current working directory. It's the OS temporary folder joined with a file
     /// name passed in the [TemporaryFs::new] function
-    working_directory: Utf8PathBuf,
+    pub working_directory: Utf8PathBuf,
     files: Vec<(Utf8PathBuf, String)>,
 }
 

crates/biome_lsp/Cargo.toml

@@ -26,6 +26,7 @@ biome_rowan          = { workspace = true }
 biome_service        = { workspace = true }
 biome_text_edit      = { workspace = true }
 camino               = { workspace = true }
+crossbeam            = { workspace = true }
 futures              = "0.3.31"
 papaya               = { workspace = true }
 rustc-hash           = { workspace = true }

crates/biome_lsp/src/handlers/text_document.rs

@@ -51,8 +51,8 @@ pub(crate) async fn did_open(
     session.workspace.open_file(OpenFileParams {
         project_key,
         path,
-        version,
         content: FileContent::FromClient(content),
+        version: Some(version),
         document_file_source: Some(language_hint),
         persist_node_cache: true,
     })?;