Function unwrapId

packages/vite/src/shared/utils.ts:20–24

(id: string)

 * Undo {@link wrapId}'s `/@id/` and null byte replacements.
 */
export function unwrapId(id: string): string {
  return id.startsWith(VALID_ID_PREFIX)
    ? id.slice(VALID_ID_PREFIX.length).replaceAll(NULL_BYTE_PLACEHOLDER, class="st">'\0')
    : id
}

const windowsSlashRE = /\\/g
export function slash(p: string): string {