Function layoutWithLines

src/layout.ts:880–902

(prepared: PreparedTextWithSegments, maxWidth: number, lineHeight: number)

// decisions, but keeps extra per-line bookkeeping so it should stay off the
// resize hot path.
export function layoutWithLines(prepared: PreparedTextWithSegments, maxWidth: number, lineHeight: number): LayoutLinesResult {
  const lines: LayoutLine[] = []
  if (prepared.widths.length === 0) return { lineCount: 0, height: 0, lines }

  const graphemeCache = getLineTextCache(prepared)
  const lineCount = walkPreparedLinesRaw(
    getInternalPrepared(prepared),
    maxWidth,
    (width, startSegmentIndex, startGraphemeIndex, endSegmentIndex, endGraphemeIndex) => {
      lines.push(createLayoutLine(
        prepared,
        graphemeCache,
        width,
        startSegmentIndex,
        startGraphemeIndex,
        endSegmentIndex,
        endGraphemeIndex,
      ))
    },
  )

  return { lineCount, height: lineCount * lineHeight, lines }
}

export function clearCache(): void {
  clearAnalysisCaches()