Function drawBox

packages/internals/src/utils/drawBox.ts:27–65

({ title, width, height, str, horizontalPadding }: BoxOptions)

}

export function drawBox({ title, width, height, str, horizontalPadding }: BoxOptions): string {
  // This avoids having NaN later
  // if these required param were not passed (in JS, for example)
  horizontalPadding = horizontalPadding || 0
  width = width || 0
  height = height || 0
  // Make sure the width is at least as long as the string
  width = Math.max(width, maxLineLength(str) + horizontalPadding * 2)

  const topLine = title
    ? grey(chars.topLeft + chars.horizontal) +
      ' ' +
      reset(bold(title)) +
      ' ' +
      grey(chars.horizontal.repeat(width - title.length - 2 - 3) + chars.topRight) +
      reset()
    : grey(chars.topLeft + chars.horizontal) + grey(chars.horizontal.repeat(width - 3) + chars.topRight)

  const bottomLine = chars.bottomLeft + chars.horizontal.repeat(width - 2) + chars.bottomRight

  const lines = str.split('\n')

  if (lines.length < height) {
    lines.push(...new Array(height - lines.length).fill(''))
  }

  const mappedLines = lines
    .slice(-height)
    .map((l) => {
      const lineWidth = Math.min(stringWidth(l), width)
      const paddingRight = Math.max(width - lineWidth - 2, 0)
      return `${grey(chars.vertical)}${' '.repeat(horizontalPadding!)}${reset(cliTruncate(l, width - 2))}${' '.repeat(
        paddingRight - horizontalPadding!,
      )}${grey(chars.vertical)}`
    })
    .join('\n')

  return grey(topLine + '\n' + mappedLines + '\n' + bottomLine)
}