From 2f54c1d653d46831eeb7d691c5f25b78ca63378a Mon Sep 17 00:00:00 2001
From: Julien Roncaglia <julien@roncaglia.fr>
Date: Mon, 2 Mar 2020 22:54:29 +0100
Subject: Centralize the check for languageId on document

Also move visibleRustEditors to Ctx
---
 editors/code/src/ctx.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'editors/code/src/ctx.ts')

diff --git a/editors/code/src/ctx.ts b/editors/code/src/ctx.ts
index 43540e0d8..b4e983a0c 100644
--- a/editors/code/src/ctx.ts
+++ b/editors/code/src/ctx.ts
@@ -3,6 +3,7 @@ import * as lc from 'vscode-languageclient';
 
 import { Config } from './config';
 import { createClient } from './client';
+import { isRustDocument } from './util';
 
 export class Ctx {
     private constructor(
@@ -23,11 +24,17 @@ export class Ctx {
 
     get activeRustEditor(): vscode.TextEditor | undefined {
         const editor = vscode.window.activeTextEditor;
-        return editor && editor.document.languageId === 'rust'
+        return editor && isRustDocument(editor.document)
             ? editor
             : undefined;
     }
 
+    get visibleRustEditors(): vscode.TextEditor[] {
+        return vscode.window.visibleTextEditors.filter(
+            editor => isRustDocument(editor.document),
+        );
+    }
+
     registerCommand(name: string, factory: (ctx: Ctx) => Cmd) {
         const fullName = `rust-analyzer.${name}`;
         const cmd = factory(this);
-- 
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