Function fileToDevUrl

packages/vite/src/node/plugins/asset.ts:333–377

(
  environment: Environment,
  id: string,
  asFileUrl = false,
)

}

export async function fileToDevUrl(
  environment: Environment,
  id: string,
  asFileUrl = false,
): Promise<string> {
  const config = environment.getTopLevelConfig()
  const publicFile = checkPublicFile(id, config)

  // If has inline query, unconditionally inline the asset
  if (inlineRE.test(id)) {
    const file = publicFile || cleanUrl(id)
    const content = await fsp.readFile(file)
    return assetToDataURL(environment, file, content)
  }

  // If is svg and it's inlined in build, also inline it in dev to match
  // the behaviour in build due to quote handling differences.
  const cleanedId = cleanUrl(id)
  if (cleanedId.endsWith('.svg')) {
    const file = publicFile || cleanedId
    const content = await fsp.readFile(file)
    if (shouldInline(environment, file, id, content, undefined, undefined)) {
      return assetToDataURL(environment, file, content)
    }
  }

  if (asFileUrl) {
    return pathToFileURL(cleanedId).href
  }

  let rtn: string
  if (publicFile) {
    // in public dir during dev, keep the url as-is
    rtn = id
  } else if (id.startsWith(withTrailingSlash(config.root))) {
    // in project root, infer short public path
    rtn = '/' + path.posix.relative(config.root, id)
  } else {
    // outside of project root, use absolute fs path
    // (this is special handled by the serve static middleware
    rtn = path.posix.join(FS_PREFIX, id)
  }
  const base = joinUrlSegments(config.server.origin ?? '', config.decodedBase)
  return joinUrlSegments(base, removeLeadingSlash(rtn))
}

export function getPublicAssetFilename(
  hash: string,