Function stripBomTag

packages/vite/src/node/utils.ts:1607–1613

(content: string)

// strip UTF-8 BOM
export function stripBomTag(content: string): string {
  if (content.charCodeAt(0) === 0xfeff) {
    return content.slice(1)
  }

  return content
}

/**
 * Determine if a file is being requested with the correct case, to ensure