Method group

packages/utils/src/lib/logger.ts:274–341

(
    title: string,
    worker: () => Promise<string | { message: string; result: T }>,
  )

   */
  // eslint-disable-next-line max-lines-per-function
  async group<T = undefined>(
    title: string,
    worker: () => Promise<string | { message: string; result: T }>,
  ): Promise<T> {
    if (this.#groupColor) {
      throw new Error(
        'Internal Logger error - nested groups are not supported',
      );
    }
    if (this.#activeSpinner) {
      throw new Error(
        'Internal Logger error - creating group in active spinner is not supported',
      );
    }

    if (!this.#endsWithBlankLine) {
      this.newline();
    }

    this.#groupColor = this.#groupsCount % 2 === 0 ? 'cyan' : 'magenta';
    this.#groupsCount++;

    const groupMarkers = this.#createGroupMarkers();

    console.log(groupMarkers.start(title));

    const start = performance.now();
    const result = await settlePromise(worker());
    const end = performance.now();

    if (result.status === 'fulfilled') {
      const message =
        typeof result.value === 'string' ? result.value : result.value.message;
      console.log(
        [
          this.#colorize(this.#groupSymbols.end, this.#groupColor),
          this.#colorize(message, 'green'),
          this.#formatDurationSuffix({ start, end }),
        ].join(' '),
      );
    } else {
      console.log(
        [
          this.#colorize(this.#groupSymbols.end, this.#groupColor),
          this.#colorize(
            `${stringifyError(result.reason, { oneline: true })}`,
            'red',
          ),
        ].join(' '),
      );
    }

    const endMarker = groupMarkers.end();
    if (endMarker) {
      console.log(endMarker);
    }
    this.#groupColor = undefined;
    this.newline();