Function isBareRelative

packages/vite/src/node/server/middlewares/indexHtml.ts:126–128

(url: string)

const wordCharRE = /\w/

function isBareRelative(url: string) {
  return wordCharRE.test(url[0]) && !url.includes(':')
}

function getHtmlDirnameForRelativeUrl(htmlPath: string): string {
  return htmlPath.endsWith('/') ? htmlPath : path.posix.dirname(htmlPath)