Add Vim.get() to get singleton for 3rd parties

Author: lambdalisue

deps.ts

@@ -2,4 +2,4 @@ export type {
   Context,
   Dispatcher,
 } from "https://deno.land/x/denops@v0.7/mod.ts";
-export { Denops } from "https://deno.land/x/denops@v0.7/mod.ts";
+export { Denops, getCacheOrElse } from "https://deno.land/x/denops@v0.7/mod.ts";

mod.ts

@@ -1,4 +1 @@
-export * from "./autocmd.ts";
-export * from "./execute.ts";
-export * from "./variable.ts";
-export * from "./vim.ts";
+export { start, Vim } from "./vim/mod.ts";

autocmd.ts renamed to vim/autocmd.ts

@@ -1,4 +1,4 @@
-import { Denops } from "./deps.ts";
+import { Denops } from "../deps.ts";
 import { execute } from "./execute.ts";
 
 export async function autocmd(

execute.ts renamed to vim/execute.ts

@@ -1,4 +1,4 @@
-import { Context, Denops } from "./deps.ts";
+import { Context, Denops } from "../deps.ts";
 
 /**
  * Execute Vim script directly

vim/mod.ts

@@ -0,0 +1,4 @@
+export * from "./autocmd.ts";
+export * from "./execute.ts";
+export * from "./variable.ts";
+export * from "./vim.ts";

variable.ts renamed to vim/variable.ts

@@ -1,4 +1,4 @@
-import { Denops } from "./deps.ts";
+import { Denops } from "../deps.ts";
 
 /**
  * Vim variable groups

vim.ts renamed to vim/vim.ts

@@ -1,4 +1,4 @@
-import { Context, Denops, Dispatcher } from "./deps.ts";
+import { Context, Denops, Dispatcher, getCacheOrElse } from "../deps.ts";
 import { execute } from "./execute.ts";
 import { autocmd, AutocmdHelper } from "./autocmd.ts";
 import { VariableHelper } from "./variable.ts";
@@ -23,6 +23,12 @@ export class Vim {
     this.env = new VariableHelper(denops, "env");
   }
 
+  static get(): Vim {
+    return getCacheOrElse("vim", () => {
+      return new Vim(Denops.get());
+    });
+  }
+
   get name(): string {
     return this.#denops.name;
   }
@@ -59,8 +65,5 @@ export class Vim {
 }
 
 export function start(main: (vim: Vim) => Promise<void>) {
-  Denops.start(async (denops) => {
-    const vim = new Vim(denops);
-    await main(vim);
-  });
+  Denops.start(() => main(Vim.get()));
 }