Function getDirectoriesBetween

packages/cli-exec/src/fsutils.ts:28–47

(parent: string, child: string)

 * Returns the inclusive directory chain from `parent` to `child`.
 */
export function getDirectoriesBetween(parent: string, child: string): string[] {
  const directories = [];
  let current = path.resolve(child);
  const resolvedParent = path.resolve(parent);

  while (true) {
    directories.push(current);

    if (current === resolvedParent) {
      return directories.reverse();
    }

    const next = path.dirname(current);
    if (next === current) {
      return [];
    }

    current = next;
  }
}

/**
 * Reads stat metadata while distinguishing absent paths from inspection errors.