fix(lsp): project loading (#7418)

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: ematipico

.changeset/rich-beds-clap.md

@@ -0,0 +1,5 @@
+---
+"@biomejs/biome": patch
+---
+
+Fixed [#7411](https://github.com/biomejs/biome/issues/7411). The Biome Language Server had a regression where opening an editor with a file already open wouldn't load the project settings correctly.

crates/biome_configuration/src/lib.rs

@@ -605,7 +605,7 @@ pub struct ConfigurationPayload {
     pub external_resolution_base_path: Utf8PathBuf,
 }
 
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Clone, Eq, Hash)]
 pub enum ConfigurationPathHint {
     /// The default mode, not having a configuration file is not an error.
     /// The path will be filled with the working directory if it is not filled at the time of usage.
@@ -651,4 +651,13 @@ impl ConfigurationPathHint {
     pub const fn is_from_lsp(&self) -> bool {
         matches!(self, Self::FromLsp(_))
     }
+
+    pub fn to_path_buf(&self) -> Option<Utf8PathBuf> {
+        match self {
+            Self::None => None,
+            Self::FromWorkspace(path) | Self::FromLsp(path) | Self::FromUser(path) => {
+                Some(path.to_path_buf())
+            }
+        }
+    }
 }

crates/biome_lsp/src/handlers/text_document.rs

@@ -1,15 +1,16 @@
-use std::sync::Arc;
-
 use crate::diagnostics::LspError;
+use crate::session::ConfigurationStatus;
 use crate::utils::apply_document_changes;
 use crate::{documents::Document, session::Session};
+use biome_configuration::ConfigurationPathHint;
 use biome_service::workspace::{
     ChangeFileParams, CloseFileParams, DocumentFileSource, FeaturesBuilder, FileContent,
     GetFileContentParams, IgnoreKind, OpenFileParams, PathIsIgnoredParams,
 };
-use tower_lsp_server::lsp_types;
-use tower_lsp_server::lsp_types::MessageType;
-use tracing::{debug, error, field};
+use camino::Utf8PathBuf;
+use std::sync::Arc;
+use tower_lsp_server::{UriExt, lsp_types};
+use tracing::{debug, error, field, info};
 
 /// Handler for `textDocument/didOpen` LSP notification
 #[tracing::instrument(
@@ -31,22 +32,71 @@ pub(crate) async fn did_open(
 
     let path = session.file_path(&url)?;
 
-    let status = session.configuration_status();
+    eprintln!("Session id {:?}", session.key);
+    let project_key = match session.project_for_path(&path) {
+        Some(project_key) => project_key,
+        None => {
+            info!("No open project for path: {path:?}. Opening new project.");
+
+            let project_path = path
+                .parent()
+                .map(|parent| parent.to_path_buf())
+                .unwrap_or_default();
+
+            // First check if the current file belongs to any registered workspace folder.
+            // If so, return that folder; otherwise, use the folder computed by did_open.
+            let project_path = if let Some(workspace_folders) = session.get_workspace_folders() {
+                if let Some(ws_root) = workspace_folders
+                    .iter()
+                    .filter_map(|folder| {
+                        folder.uri.to_file_path().map(|p| {
+                            Utf8PathBuf::from_path_buf(p.to_path_buf())
+                                .expect("To have a valid UTF-8 path")
+                        })
+                    })
+                    .find(|ws| project_path.starts_with(ws))
+                {
+                    ws_root
+                } else {
+                    project_path.clone()
+                }
+            } else if let Some(base_path) = session.base_path() {
+                if project_path.starts_with(&base_path) {
+                    base_path
+                } else {
+                    project_path.clone()
+                }
+            } else {
+                project_path
+            };
+
+            session.set_configuration_status(ConfigurationStatus::Loading);
+            eprintln!(
+                "Loading configuration from text_document {:?}",
+                &project_path
+            );
+            let status = session
+                .load_biome_configuration_file(ConfigurationPathHint::FromLsp(project_path), false)
+                .await;
+
+            session.set_configuration_status(status);
+
+            if status.is_loaded() {
+                match session.project_for_path(&path) {
+                    Some(project_key) => project_key,
+
+                    None => {
+                        error!("Could not find project for {path}");
+
+                        return Ok(());
+                    }
+                }
+            } else {
+                error!("Configuration could not be loaded for {path}");
 
-    let project_key = if status.is_loaded() {
-        match session.project_for_path(&path) {
-            Some(project_key) => project_key,
-            None => {
-                error!("Could not find project for {path}");
                 return Ok(());
             }
         }
-    } else {
-        if status.is_plugin_error() {
-            session.client.show_message(MessageType::WARNING, "The plugin loading has failed. Biome will report only parsing errors until the file is fixed or its usage is disabled.").await;
-        }
-        error!("Configuration could not be loaded for {path}");
-        return Ok(());
     };
 
     let is_ignored = session

crates/biome_lsp/src/server.rs

@@ -6,7 +6,6 @@ use crate::session::{
 };
 use crate::utils::{into_lsp_error, panic_to_lsp_error};
 use crate::{handlers, requests};
-use biome_configuration::ConfigurationPathHint;
 use biome_console::markup;
 use biome_diagnostics::panic::PanicError;
 use biome_fs::{ConfigName, MemoryFileSystem, OsFileSystem};
@@ -310,13 +309,10 @@ impl LanguageServer for LSPServer {
     }
 
     #[tracing::instrument(level = "debug", skip_all)]
-    async fn initialized(&self, params: InitializedParams) {
-        let _ = params;
-
+    async fn initialized(&self, _params: InitializedParams) {
         info!("Attempting to load the configuration from 'biome.json' file");
-
         self.session.load_extension_settings().await;
-        self.session.load_workspace_settings().await;
+        self.session.load_workspace_settings(false).await;
 
         let msg = format!("Server initialized with PID: {}", std::process::id());
         self.session
@@ -360,7 +356,7 @@ impl LanguageServer for LSPServer {
                         || watched_file.ends_with(".editorconfig"))
                 {
                     self.session.load_extension_settings().await;
-                    self.session.load_workspace_settings().await;
+                    self.session.load_workspace_settings(true).await;
                     self.setup_capabilities().await;
                     self.session.update_all_diagnostics().await;
                     // for now we are only interested to the configuration file,
@@ -411,18 +407,8 @@ impl LanguageServer for LSPServer {
             }
         }
 
-        for added in &params.event.added {
-            if let Ok(project_path) = self.session.file_path(&added.uri) {
-                let status = self
-                    .session
-                    .load_biome_configuration_file(ConfigurationPathHint::FromWorkspace(
-                        project_path.to_path_buf(),
-                    ))
-                    .await;
-                debug!("Configuration status: {status:?}");
-                self.session.set_configuration_status(status);
-            }
-        }
+        self.session.update_workspace_folders(params.event.added);
+        self.session.load_workspace_settings(true).await;
     }
 
     async fn code_action(&self, params: CodeActionParams) -> LspResult<Option<CodeActionResponse>> {