perf: move from Buffer to Uint8Array

Author: johannschopplich

eslint.config.js

@@ -2,7 +2,6 @@ import antfu from '@antfu/eslint-config'
 
 export default await antfu({
   rules: {
-    'node/prefer-global/buffer': 'off',
     'node/prefer-global/process': 'off',
   },
 })

package.json

@@ -57,7 +57,8 @@
     "ohash": "^1.1.3",
     "pathe": "^1.1.2",
     "scule": "^1.3.0",
-    "ufo": "^1.4.0"
+    "ufo": "^1.4.0",
+    "uint8array-extras": "^1.1.0"
   },
   "devDependencies": {
     "@antfu/eslint-config": "^2.8.1",

pnpm-lock.yaml

@@ -1,5 +1,6 @@
 import { consola } from 'consola'
 import { createError, defineEventHandler, getRouterParam, readBody, send, setResponseHeader, setResponseStatus, splitCookiesString } from 'h3'
+import { base64ToUint8Array, uint8ArrayToBase64, uint8ArrayToString } from 'uint8array-extras'
 import type { ModuleOptions } from '../../module'
 import { createAuthHeader } from '../utils'
 import type { ServerFetchOptions } from '../types'
@@ -50,8 +51,8 @@ async function fetcher({
   })
 
   // Serialize the response data
-  const buffer = Buffer.from(response._data ?? ([] as unknown as ArrayBuffer))
-  const data = buffer.toString('base64')
+  const buffer = new Uint8Array(response._data ?? ([] as unknown as ArrayBuffer))
+  const data = uint8ArrayToBase64(buffer)
 
   return {
     status: response.status,
@@ -97,12 +98,12 @@ export default defineEventHandler(async (event) => {
       ? await cachedFetcher({ key, ...body })
       : await fetcher({ key, ...body })
 
-    const buffer = Buffer.from(response.data, 'base64')
+    const buffer = base64ToUint8Array(response.data)
 
     if (response.status >= 400 && response.status < 600) {
       if (isQueryRequest) {
         consola.error(`Failed KQL query "${body.query?.query}" (...) with status code ${response.status}:\n`, tryParseJSON(
-          buffer.toString('utf-8'),
+          uint8ArrayToString(buffer),
         ))
         if (kql.server.verboseErrors)
           consola.log('Full KQL query request:', body.query)