Function split

packages/opencode/src/util/bom.ts:7–10

(text: string)

const BOM = String.fromCharCode(BOM_CODE)

export function split(text: string) {
  if (text.charCodeAt(0) !== BOM_CODE) return { bom: false, text }
  return { bom: true, text: text.slice(1) }
}

export function join(text: string, bom: boolean) {
  const stripped = split(text).text