feat: allow disabling shutdownGracefully

lib/auto-languageclient.ts

@@ -315,7 +315,8 @@ export default class AutoLanguageClient {
       (filepath) => this.filterChangeWatchedFiles(filepath),
       this.reportBusyWhile,
       this.getServerName(),
-      this.determineProjectPath
+      this.determineProjectPath,
+      this.shutdownGracefully
     )
     this._serverManager.startListening()
     process.on("exit", () => this.exitCleanup.bind(this))
@@ -988,6 +989,12 @@ export default class AutoLanguageClient {
     return true
   }
 
+  /**
+   * If this is set to `true` (the default value), the servers will shut down gracefully. If it is set to `false`, the
+   * servers will be killed without awaiting shutdown response.
+   */
+  protected shutdownGracefully: boolean = true
+
   /**
    * Called on language server stderr output.
    *

lib/server-manager.ts

@@ -50,7 +50,8 @@ export class ServerManager {
     private _changeWatchedFileFilter: (filePath: string) => boolean,
     private _reportBusyWhile: ReportBusyWhile,
     private _languageServerName: string,
-    private _determineProjectPath: (textEditor: TextEditor) => string | null
+    private _determineProjectPath: (textEditor: TextEditor) => string | null,
+    private shutdownGracefully: boolean
   ) {
     this.updateNormalizedProjectPaths()
   }
@@ -212,7 +213,7 @@ export class ServerManager {
         this._activeServers.splice(this._activeServers.indexOf(server), 1)
         this._stoppingServers.push(server)
         server.disposable.dispose()
-        if (server.connection.isConnected) {
+        if (this.shutdownGracefully && server.connection.isConnected) {
           await server.connection.shutdown()
         }