oblique-strategies-cli/src/presenters/centered.ts

export default () => async (card: string) => {
  // can't import es modules naturally, we use dynamic imports here
  const { default: wrapAnsi } = await import('wrap-ansi');

  const Console = console;
  const lineWidth = process.stdout.columns ?? 80;
  const text = wrapAnsi(card, lineWidth, { hard: true, trim: true });
  const lines = text.split('\n').map((line) => {
    let centeredLine = line;

    while (centeredLine.length < lineWidth) {
      // add space after
      centeredLine = `${centeredLine} `;
      if (centeredLine.length < lineWidth) {
        // add space before
        centeredLine = ` ${centeredLine}`;
      }
    }
    return centeredLine.slice(0, lineWidth);
  });
  const displayLines = [...lines];
  Console.log();
  Console.log(displayLines.join('\n'));
  Console.log();
};