Function tabStatus

src/ink/termio/osc.ts:476–493

(fields: TabStatusAction)

 * `;` and `\` in status text are escaped per the spec.
 */
export function tabStatus(fields: TabStatusAction): string {
  const parts: string[] = []
  const rgb = (c: Color) =>
    c.type === 'rgb'
      ? `#${[c.r, c.g, c.b].map(n => n.toString(16).padStart(2, '0')).join('')}`
      : ''
  if ('indicator' in fields)
    parts.push(`indicator=${fields.indicator ? rgb(fields.indicator) : ''}`)
  if ('status' in fields)
    parts.push(
      `status=${fields.status?.replaceAll('\\', '\\\\').replaceAll(';', '\\;') ?? ''}`,
    )
  if ('statusColor' in fields)
    parts.push(
      `status-color=${fields.statusColor ? rgb(fields.statusColor) : ''}`,
    )
  return osc(OSC.TAB_STATUS, parts.join(';'))
}