Function makeFrame

src/ink/terminalReplayOracle.test.ts:21–59

({
  lines,
  viewportWidth = 40,
  viewportHeight = 10,
  cursorY = lines.length,
  styleId = stylePool.none,
}: {
  lines: string[]
  viewportWidth?: number
  viewportHeight?: number
  cursorY?: number
  styleId?: number
})

const hyperlinkPool = new HyperlinkPool()

function makeFrame({
  lines,
  viewportWidth = 40,
  viewportHeight = 10,
  cursorY = lines.length,
  styleId = stylePool.none,
}: {
  lines: string[]
  viewportWidth?: number
  viewportHeight?: number
  cursorY?: number
  styleId?: number
}): Frame {
  const screen = createScreen(
    viewportWidth,
    lines.length,
    stylePool,
    charPool,
    hyperlinkPool,
  )

  for (let y = 0; y < lines.length; y += 1) {
    const line = lines[y] ?? ''
    for (let x = 0; x < line.length; x += 1) {
      setCellAt(screen, x, y, {
        char: line[x]!,
        styleId,
        width: CellWidth.Narrow,
        hyperlink: undefined,
      })
    }
  }

  return {
    screen,
    viewport: { width: viewportWidth, height: viewportHeight },
    cursor: { x: 0, y: cursorY, visible: true },
  }
}

function serializeDiff(diff: Diff | { diff: Diff }): string {
  const patches = Array.isArray(diff) ? diff : diff.diff