Make formatting happen asynchronously.

1 files changed, 16 insertions, 0 deletions

diff --git a/helix-lsp/src/lib.rs b/helix-lsp/src/lib.rs
index e4ab153c..96a45bb9 100644
--- a/helix-lsp/src/lib.rs
+++ b/helix-lsp/src/lib.rs
@@ -182,6 +182,22 @@ pub mod util {
             }),
         )
     }
+
+    /// The result of asking the language server to format the document. This can be turned into a
+    /// `Transaction`, but the advantage of not doing that straight away is that this one is
+    /// `Send` and `Sync`.
+    #[derive(Clone, Debug)]
+    pub struct LspFormatting {
+        pub doc: Rope,
+        pub edits: Vec<lsp::TextEdit>,
+        pub offset_encoding: OffsetEncoding,
+    }
+
+    impl From<LspFormatting> for Transaction {
+        fn from(fmt: LspFormatting) -> Transaction {
+            generate_transaction_from_edits(&fmt.doc, fmt.edits, fmt.offset_encoding)
+        }
+    }
 }
 
 #[derive(Debug, PartialEq, Clone)]