chore: utf8 replaced with utf-8 (#16232)

Author: btea

packages/vite/rollupLicensePlugin.ts

@@ -88,7 +88,7 @@ export default function licensePlugin(
  `${sortLicenses(licenses).join(', ')}\n\n` +
  `# Bundled dependencies:\n` +
  dependencyLicenseTexts
- const existingLicenseText = fs.readFileSync(licenseFilePath, 'utf8')
+ const existingLicenseText = fs.readFileSync(licenseFilePath, 'utf-8')
  if (existingLicenseText !== licenseText) {
  fs.writeFileSync(licenseFilePath, licenseText)
  console.warn(

packages/vite/src/node/config.ts

@@ -1174,7 +1174,7 @@ async function bundleConfigFile(
  name: 'inject-file-scope-variables',
  setup(build) {
  build.onLoad({ filter: /\.[cm]?[jt]s$/ }, async (args) => {
- const contents = await fsp.readFile(args.path, 'utf8')
+ const contents = await fsp.readFile(args.path, 'utf-8')
  const injectValues =
  `const ${dirnameVarName} = ${JSON.stringify(
  path.dirname(args.path),

playground/csp/vite.config.js

@@ -28,7 +28,7 @@ const setNonceHeader = (res, nonce) => {
 const createMiddleware = (file, transform) => async (req, res) => {
  const nonce = createNonce()
  setNonceHeader(res, nonce)
- const content = await fs.readFile(path.join(__dirname, file), 'utf8')
+ const content = await fs.readFile(path.join(__dirname, file), 'utf-8')
  const transformedContent = await transform(content, req.originalUrl)
  res.setHeader('Content-Type', 'text/html')
  res.end(transformedContent.replaceAll(noncePlaceholder, nonce))

playground/json/server.js

@@ -69,7 +69,7 @@ export async function createServer(root = process.cwd(), hmrPort) {
  }
 
  const htmlLoc = resolve(`.${url}`)
- let html = fs.readFileSync(htmlLoc, 'utf8')
+ let html = fs.readFileSync(htmlLoc, 'utf-8')
  html = await vite.transformIndexHtml(url, html)
 
  res.status(200).set({ 'Content-Type': 'text/html' }).end(html)

playground/resolve-config/__tests__/resolve-config.spec.ts

@@ -13,7 +13,7 @@ const build = (configName: string) => {
 const getDistFile = (configName: string, extension: string) => {
  return fs.readFileSync(
  fromTestDir(`${configName}/dist/index.${extension}`),
- 'utf8',
+ 'utf-8',
  )
 }
 

playground/resolve-config/__tests__/serve.ts

@@ -21,7 +21,7 @@ export async function serve() {
  await fs.rename(fromTestDir(configName, 'vite.config.ts'), pathToConf)
 
  if (['cjs', 'cts'].includes(configName)) {
- const conf = await fs.readFile(pathToConf, 'utf8')
+ const conf = await fs.readFile(pathToConf, 'utf-8')
  await fs.writeFile(
  pathToConf,
  conf.replace('export default', 'module.exports = '),
@@ -30,7 +30,7 @@ export async function serve() {
 
  // Remove TS annotation for plain JavaScript file.
  if (configName.endsWith('js')) {
- const conf = await fs.readFile(pathToConf, 'utf8')
+ const conf = await fs.readFile(pathToConf, 'utf-8')
  await fs.writeFile(pathToConf, conf.replace(': boolean', ''))
  }