Allow bypassing typechecker (#960)

package.json

@@ -307,6 +307,11 @@
           "description": "This is a temporary setting for testing purposes, do not use it! Replace the custom bundle logic by bundler-compose.",
           "type": "boolean",
           "default": false
+        },
+        "rubyLsp.bypassTypechecker": {
+          "description": "Ignores if the project uses a typechecker. Only intended to be used while working on the Ruby LSP itself",
+          "type": "boolean",
+          "default": false
         }
       }
     },

src/client.ts

@@ -31,10 +31,13 @@ function getLspExecutables(
   const branch: string = config.get("branch")!;
   const customBundleGemfile: string = config.get("bundleGemfile")!;
   const useBundlerCompose: boolean = config.get("useBundlerCompose")!;
+  const bypassTypechecker: boolean = config.get("bypassTypechecker")!;
 
   const executableOptions: ExecutableOptions = {
     cwd: workspaceFolder.uri.fsPath,
-    env,
+    env: bypassTypechecker
+      ? { ...env, RUBY_LSP_BYPASS_TYPECHECKER: "true" }
+      : env,
     shell: true,
   };