Merge pull request #339 from vim-denops/fix-format

💪 Use type alias instead of comments

Author: lambdalisue

denops/@denops-private/host.ts

@@ -45,6 +45,7 @@ export type HostConstructor = {
 };
 
 // Minimum interface of Service that Host is relies on
+type CallbackId = string;
 export type Service = {
   bind(host: Host): void;
   load(name: string, script: string): Promise<void>;
@@ -54,8 +55,8 @@ export type Service = {
     name: string,
     fn: string,
     args: unknown[],
-    success: string, // Callback ID
-    failure: string, // Callback ID
+    success: CallbackId,
+    failure: CallbackId,
   ): Promise<void>;
 };