chore: clean up scripts

deno.json

@@ -32,6 +32,7 @@
     "@ast-grep/napi": "npm:@ast-grep/napi@^0.31.0",
     "@luca/esbuild-deno-loader": "jsr:@luca/esbuild-deno-loader@^0.11.0",
     "@std/assert": "jsr:@std/assert@^1.0.8",
+    "@std/fs": "jsr:@std/fs@^1.0.6",
     "esbuild": "npm:esbuild@^0.24.0",
     "prettier": "npm:prettier@^3.4.1",
     "typescript": "npm:typescript@^5.7.2",

scripts/build.ts

@@ -1,16 +1,10 @@
 import { denoPlugins } from '@luca/esbuild-deno-loader'
+import { emptyDir } from '@std/fs'
 import * as esbuild from 'esbuild'
 import tsid from 'unplugin-isolated-decl/esbuild'
 import denoJson from '../deno.json' with { type: 'json' }
 
-try {
-  await Deno.remove('dist', { recursive: true })
-  await Deno.mkdir('dist')
-} catch (err) {
-  if (!(err instanceof Deno.errors.NotFound)) {
-    throw err
-  }
-}
+await emptyDir('dist')
 
 await esbuild.build({
   plugins: [

scripts/patch.ts

@@ -1,4 +1,5 @@
 import { Lang, parse } from '@ast-grep/napi'
+import { ensureDir } from '@std/fs'
 import denoJson from '../deno.json' with { type: 'json' }
 
 const version = denoJson.imports.prettier.split('@')[1]
@@ -18,13 +19,7 @@ const n2$D = node2.getMatch('D')!.text()
 const edit1 = node2.replace(`${n2$A}.use(${n2$D}).use`)
 const transformed = root.commitEdits([edit1]).toString()
 
-try {
-  await Deno.mkdir('./vendor', { recursive: true })
-} catch (err) {
-  if (!(err instanceof Deno.errors.AlreadyExists)) {
-    throw err
-  }
-}
+await ensureDir('vendor')
 
 await Deno.writeTextFile('./vendor/prettier-plugin-markdown.js', transformed)
 await Deno.writeTextFile(