Function transitionStyle

src/ink/log-update.ts:482–493

(
  diff: Diff,
  stylePool: StylePool,
  currentId: number,
  targetId: number,
)

}

function transitionStyle(
  diff: Diff,
  stylePool: StylePool,
  currentId: number,
  targetId: number,
): number {
  const str = stylePool.transition(currentId, targetId)
  if (str.length > 0) {
    diff.push({ type: 'styleStr', str })
  }
  return targetId
}

function readLine(screen: Screen, y: number): string {
  let line = ''