Refactor code-style

Author: wooorm

docs/guides/frontmatter.server.mdx

@@ -47,7 +47,7 @@ title: Hi, World!
 Then without compiling or evaluating the metadata can be accessed like so:
 
 ```js path="example.js"
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import yaml from 'js-yaml'
 
 console.log(yaml.loadAll(await fs.readFile('post.mdx'))[0])
@@ -59,7 +59,7 @@ it can be enabled by using a remark plugin,
 [`remark-frontmatter`][remark-frontmatter]:
 
 ```js path="example.js"
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import remarkFrontmatter from 'remark-frontmatter'
 import {compile} from '@mdx-js/mdx'
 

docs/guides/gfm.server.mdx

@@ -51,7 +51,7 @@ A note[^1]
 The above MDX with GFM can be transformed with the following module:
 
 ```js path="example.js"
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import {compile} from '@mdx-js/mdx'
 import remarkGfm from 'remark-gfm'
 

docs/guides/math.server.mdx

@@ -31,7 +31,7 @@ Say we have an MDX file like this:
 The above MDX with math can be transformed with the following module:
 
 ```js path="example.js"
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import {compile} from '@mdx-js/mdx'
 import rehypeKatex from 'rehype-katex'
 import remarkMath from 'remark-math'

packages/esbuild/lib/index.js

@@ -13,8 +13,8 @@
  * @typedef {ProcessorOptions & {allowDangerousRemoteMdx?: boolean}} Options
  */
 
-import assert from 'node:assert'
-import {promises as fs} from 'node:fs'
+import assert from 'node:assert/strict'
+import fs from 'node:fs/promises'
 import path from 'node:path'
 import process from 'node:process'
 import fetch from 'node-fetch'

packages/mdx/readme.md

@@ -75,7 +75,7 @@ export const Thing = () => <>World!</>
 Add some code in `example.js` to compile `example.mdx` to JavaScript:
 
 ```js
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import {compile} from '@mdx-js/mdx'
 
 const compiled = await compile(await fs.readFile('example.mdx'))
@@ -481,7 +481,7 @@ object form).
 Assuming `example.mdx` from [§ Use][use] exists, then:
 
 ```js
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import {SourceMapGenerator} from 'source-map'
 import {compile} from '@mdx-js/mdx'
 

packages/node-loader/lib/index.js

@@ -11,7 +11,7 @@
  * @typedef {CompileOptions & LoaderOptions} Options
  */
 
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import path from 'node:path'
 import {URL, fileURLToPath} from 'node:url'
 import {VFile} from 'vfile'

script/jsx-loader.js

@@ -1,4 +1,4 @@
-import {promises as fs} from 'node:fs'
+import fs from 'node:fs/promises'
 import path from 'node:path'
 import {URL, fileURLToPath} from 'node:url'
 import {transform, transformSync} from 'esbuild'