code: function all (extent, minZoom, maxZoom) {
    const tiles = []
    const grid = single(extent, minZoom, maxZoom)
    while (true) {
      const {value, done} = grid.next()
      if (done) break
      tiles.push(value)
    }
    return tiles
  }
docs: All Tiles from a given BBox
  
  @param {BBox|BBox[]|GeoJSON} extent BBox [west, south, east, north] order or GeoJSON Polygon
  @param {number} minZoom Minimum Zoom
  @param {number} maxZoom Maximum Zoom
  @returns {Array<Tile>} Tiles from extent
  @example
  const tiles = slippyGrid.all([-180.0, -90.0, 180, 90], 3, 8)
  //=tiles