2 files changed, 23 insertions, 0 deletions

diff --git a/crates/server/src/main_loop/handlers.rs b/crates/server/src/main_loop/handlers.rs
index ec5421f06..ca5cd5ab1 100644
--- a/crates/server/src/main_loop/handlers.rs
+++ b/crates/server/src/main_loop/handlers.rs
@@ -314,6 +314,25 @@ pub fn handle_completion(
     Ok(Some(req::CompletionResponse::Array(items)))
 }
 
+pub fn handle_on_type_formatting(
+    world: ServerWorld,
+    params: req::DocumentOnTypeFormattingParams,
+) -> Result<Option<Vec<TextEdit>>> {
+    if params.ch != "=" {
+        return Ok(None);
+    }
+
+    let file_id = params.text_document.try_conv_with(&world)?;
+    let line_index = world.analysis().file_line_index(file_id)?;
+    let offset = params.position.conv_with(&line_index);
+    let file = world.analysis().file_syntax(file_id)?;
+    let action = match libeditor::on_eq_typed(&file, offset) {
+        None => return Ok(None),
+        Some(action) => action,
+    };
+    Ok(Some(action.edit.conv_with(&line_index)))
+}
+
 pub fn handle_execute_command(
     world: ServerWorld,
     mut params: req::ExecuteCommandParams,
diff --git a/crates/server/src/main_loop/mod.rs b/crates/server/src/main_loop/mod.rs
index da1121cb4..accb13878 100644
--- a/crates/server/src/main_loop/mod.rs
+++ b/crates/server/src/main_loop/mod.rs
@@ -31,6 +31,7 @@ use {
         handle_completion,
         handle_runnables,
         handle_decorations,
+        handle_on_type_formatting,
     },
 };
 
@@ -161,6 +162,9 @@ fn on_request(
     handle_request_on_threadpool::<req::DecorationsRequest>(
         &mut req, pool, world, sender, handle_decorations,
     )?;
+    handle_request_on_threadpool::<req::OnTypeFormatting>(
+        &mut req, pool, world, sender, handle_on_type_formatting,
+    )?;
     dispatch::handle_request::<req::ExecuteCommand, _>(&mut req, |params, resp| {
         io.send(RawMsg::Response(resp.into_response(Ok(None))?));