test.json

{
  "expression": ["distance", {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "MultiPoint",
        "coordinates": [[103.88174057006836, 1.3316290644037233], [103.88568878173828, 1.330084528768254], [103.88139724731446, 1.3288832226055889], [103.88448715209961, 1.3271670699311869], [103.88156890869139, 1.3263089931473214], [103.88895034790039, 1.3285399921660488], [103.91641616821289, 1.360631830379095], [103.91899108886719, 1.3602886044036287], [103.91710281372069, 1.3596021523062254], [103.91435623168946, 1.3620047337924648], [103.91332626342774, 1.3599453783793346], [103.95761489868164, 1.351021484651125], [103.95967483520508, 1.3518795527836272], [103.95538330078125, 1.3556550489612674], [103.95418167114258, 1.355483435626243], [103.95452499389649, 1.353767301607359]]
      }
    }],
  "inputs": [[{
        "zoom": 13,
        "canonicalID": {
          "z": 13,
          "x": 6460,
          "y": 4065
        }
      }, {
        "geometry": {
          "type": "Point",
          "coordinates": [103.91959190368653, 1.3218898930028449]
        }
      }], [{
        "zoom": 13,
        "canonicalID": {
          "z": 13,
          "x": 6460,
          "y": 4065
        }
      }, {
        "geometry": {
          "type": "Point",
          "coordinates": [103.92658710479737, 1.3294838757599914]
        }
      }], [{
        "zoom": 13,
        "canonicalID": {
          "z": 13,
          "x": 6460,
          "y": 4065
        }
      }, {
        "geometry": {
          "type": "Point",
          "coordinates": [103.91602993011475, 1.330642277859313]
        }
      }], [{
        "zoom": 13,
        "canonicalID": {
          "z": 13,
          "x": 6460,
          "y": 4065
        }
      }, {
        "geometry": {
          "type": "Point",
          "coordinates": [103.91246795654297, 1.3363484728438336]
        }
      }], [{
        "zoom": 13,
        "canonicalID": {
          "z": 13,
          "x": 6460,
          "y": 4065
        }
      }, {
        "geometry": {
          "type": "Point",
          "coordinates": [103.8917827606201, 1.3479324368661275]
        }
      }]],
  "expected": {
    "outputs": [3488.48, 3493.58, 3022.62, 2610.96, 2086.8],
    "serialized": ["distance", {
        "properties": {},
        "geometry": {
          "type": "MultiPoint",
          "coordinates": [[103.88174057006836, 1.3316290644037233], [103.88568878173828, 1.330084528768254], [103.88139724731446, 1.3288832226055889], [103.88448715209961, 1.3271670699311869], [103.88156890869139, 1.3263089931473214], [103.88895034790039, 1.3285399921660488], [103.91641616821289, 1.360631830379095], [103.91899108886719, 1.3602886044036287], [103.91710281372069, 1.3596021523062254], [103.91435623168946, 1.3620047337924648], [103.91332626342774, 1.3599453783793346], [103.95761489868164, 1.351021484651125], [103.95967483520508, 1.3518795527836272], [103.95538330078125, 1.3556550489612674], [103.95418167114258, 1.355483435626243], [103.95452499389649, 1.353767301607359]]
        },
        "type": "Feature"
      }],
    "compiled": {
      "type": "number",
      "isFeatureConstant": false,
      "isZoomConstant": true,
      "result": "success"
    }
  }
}