LSP code action commands (#1304)

* feat(lsp): codeAction commands

* Don't block on command call

* Fix lifetime of command execution

* Fix lint issues

2 files changed, 20 insertions, 1 deletions

diff --git a/helix-lsp/src/client.rs b/helix-lsp/src/client.rs
index 271fd9d5..f1de8752 100644
--- a/helix-lsp/src/client.rs
+++ b/helix-lsp/src/client.rs
@@ -202,7 +202,7 @@ impl Client {
                 Ok(result) => Output::Success(Success {
                     jsonrpc: Some(Version::V2),
                     id,
-                    result,
+                    result: serde_json::to_value(result)?,
                 }),
                 Err(error) => Output::Failure(Failure {
                     jsonrpc: Some(Version::V2),
@@ -800,4 +800,16 @@ impl Client {
         let response = self.request::<lsp::request::Rename>(params).await?;
         Ok(response.unwrap_or_default())
     }
+
+    pub fn command(&self, command: lsp::Command) -> impl Future<Output = Result<Value>> {
+        let params = lsp::ExecuteCommandParams {
+            command: command.command,
+            arguments: command.arguments.unwrap_or_default(),
+            work_done_progress_params: lsp::WorkDoneProgressParams {
+                work_done_token: None,
+            },
+        };
+
+        self.call::<lsp::request::ExecuteCommand>(params)
+    }
 }
diff --git a/helix-lsp/src/lib.rs b/helix-lsp/src/lib.rs
index 15cae582..8fb321bc 100644
--- a/helix-lsp/src/lib.rs
+++ b/helix-lsp/src/lib.rs
@@ -203,6 +203,7 @@ pub mod util {
 #[derive(Debug, PartialEq, Clone)]
 pub enum MethodCall {
     WorkDoneProgressCreate(lsp::WorkDoneProgressCreateParams),
+    ApplyWorkspaceEdit(lsp::ApplyWorkspaceEditParams),
 }
 
 impl MethodCall {
@@ -215,6 +216,12 @@ impl MethodCall {
                     .expect("Failed to parse WorkDoneCreate params");
                 Self::WorkDoneProgressCreate(params)
             }
+            lsp::request::ApplyWorkspaceEdit::METHOD => {
+                let params: lsp::ApplyWorkspaceEditParams = params
+                    .parse()
+                    .expect("Failed to parse ApplyWorkspaceEdit params");
+                Self::ApplyWorkspaceEdit(params)
+            }
             _ => {
                 log::warn!("unhandled lsp request: {}", method);
                 return None;