Formalize JoinLines protocol extension

2 files changed, 10 insertions, 6 deletions

diff --git a/editors/code/src/commands/join_lines.ts b/editors/code/src/commands/join_lines.ts
index de0614653d6..0bf1ee6e671 100644
--- a/editors/code/src/commands/join_lines.ts
+++ b/editors/code/src/commands/join_lines.ts
@@ -1,7 +1,7 @@
 import * as ra from '../rust-analyzer-api';
+import * as lc from 'vscode-languageclient';
 
 import { Ctx, Cmd } from '../ctx';
-import { applySourceChange } from '../source_change';
 
 export function joinLines(ctx: Ctx): Cmd {
     return async () => {
@@ -9,10 +9,14 @@ export function joinLines(ctx: Ctx): Cmd {
         const client = ctx.client;
         if (!editor || !client) return;
 
-        const change = await client.sendRequest(ra.joinLines, {
-            range: client.code2ProtocolConverter.asRange(editor.selection),
+        const items: lc.TextEdit[] = await client.sendRequest(ra.joinLines, {
+            ranges: editor.selections.map((it) => client.code2ProtocolConverter.asRange(it)),
             textDocument: { uri: editor.document.uri.toString() },
         });
-        await applySourceChange(ctx, change);
+        editor.edit((builder) => {
+            client.protocol2CodeConverter.asTextEdits(items).forEach((edit) => {
+                builder.replace(edit.range, edit.newText);
+            });
+        });
     };
 }
diff --git a/editors/code/src/rust-analyzer-api.ts b/editors/code/src/rust-analyzer-api.ts
index 3b83b10e38a..8ed56c173ee 100644
--- a/editors/code/src/rust-analyzer-api.ts
+++ b/editors/code/src/rust-analyzer-api.ts
@@ -64,9 +64,9 @@ export const parentModule = request<lc.TextDocumentPositionParams, Vec<lc.Locati
 
 export interface JoinLinesParams {
     textDocument: lc.TextDocumentIdentifier;
-    range: lc.Range;
+    ranges: lc.Range[];
 }
-export const joinLines = request<JoinLinesParams, SourceChange>("joinLines");
+export const joinLines = new lc.RequestType<JoinLinesParams, lc.TextEdit[], unknown>('experimental/joinLines');
 
 
 export const onEnter = request<lc.TextDocumentPositionParams, Option<lc.WorkspaceEdit>>("onEnter");