Two polygons to intersect

map.geojson

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Polygon",
        "coordinates": [
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            ],
            [
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            ],
            [
              176.30859375,
              -41.853196437766734
            ],
            [
              176.28662109375,
              -41.21172151054787
            ],
            [
              175.078125,
              -41.19518982948958
            ],
            [
              175.10009765625,
              -40.044437584608566
            ],
            [
              174.462890625,
              -40.02761443748664
            ]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
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            ],
            [
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            ],
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            ],
            [
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            ],
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            ]
          ]
        ]
      }
    }
  ]
}