Get path property from multi-dimentional array [duplicate]

struggling to figure this out. What is the cleanest code to extract all paths from a multi-dimentional array?

Below is my data.

const Pages = [
  {
    path: ['home'],
  },
  {
    path: [''],
    subpages: [
      {
        path: ['about', 'congleton'],
        subpages: [
          {
            path: [ 'about', 'congleton', 'opening' ]
          }
        ]
      }
    ]
  }
]

And this is the expected outcome:

[ ['home'], [''], ['about', 'congleton'], [ 'about', 'congleton', 'opening' ] ]

This is what I have right now, but this doesn’t work:

const getPath = function (page) {
  let paths = page.path;
  if (page.subpages) {
    const sub = page.subpages ? page.subpages.map((x) => getPath(x)) : [];
    paths = paths.concat(sub);
  }
  return paths;
};

const paths = Pages.map((x) => getPath(x));

console.log(paths);