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          111.918118,
          -8.054941
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Sidoarjo"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          112.716355,
          -7.465433
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RS Universitas Airlangga"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          112.786114,
          -7.270208
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUP Sanglah Denpasar"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          115.213171,
          -8.675742
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "BRSU Tabanan Bali"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          115.131966,
          -8.538915
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Sanjiwani Gianyar"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          115.32254,
          -8.537247
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Kab. Buleleng"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          115.092475,
          -8.119809
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Raba\/ RSUD BIMA"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          118.761842,
          -8.47347
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Dr R Sudjono Selong"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          116.52836,
          -8.650538
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RS H. L. Manambai Abdulkadir"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          117.447684,
          -8.531522
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD NTB"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          116.131047,
          -8.607259
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Prof. Dr. WZ Johanes"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          123.585744,
          -10.168254
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr TC Hillers"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          122.204232,
          -8.622314
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Komodo Labuan Bajo"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.896266,
          -8.541262
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Dr. Sudarso"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          109.364687,
          -0.061533
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr Abdul Azis Singkawang"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          108.972707,
          0.895435
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Ade Mohammad Djoen Sintang"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          111.496019,
          0.078503
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Dr. Agoesdjam Ketapang"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          109.967432,
          -1.832508
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr. Doris Sylvanus"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          113.922484,
          -2.210517
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr Murjani Sampit"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          112.949049,
          -2.542742
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Sultan Imanuddin Pangkalan Bun"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          111.632196,
          -2.691596
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Ulin Banjarmasin"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          114.601178,
          -3.322823
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD H. Boejasin Pelaihari"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          114.800878,
          -3.461202
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr. Kanujoso Djatiwibowo"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          116.868169,
          -1.225476
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU H A Wahab Sjahranie"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          117.144268,
          -0.478992
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Panglima Sebaya"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          116.178674,
          -1.873455
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Taman Husada Bontang"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          117.447806,
          0.142619
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Aji Muhammad Parikesit"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          117.012931,
          -0.438961
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Tanjung Selor"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          117.3809,
          2.830326
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Kota Tarakan"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          117.605064,
          3.318219
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Prof. DR. RD Kandou"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          124.808177,
          1.453542
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr Sam Ratulangi"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          124.916563,
          1.309592
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Ratatotok - Buyat"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          124.69978,
          0.87007
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Kota Kotamobagu"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          124.307272,
          0.708205
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Prof. Dr. H. Aloei Saboe"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          123.084019,
          0.555447
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Provinsi Sulawesi Barat"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          118.862749,
          -2.689966
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Undata Palu"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.884046,
          -0.857813
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Kab. Banggai Luwuk"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          122.822197,
          -0.934057
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RS Mokopido Toli-Toli"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          120.822775,
          1.035911
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Kolonedale"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          121.336856,
          -1.972367
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Anutapura Palu"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.849456,
          -0.899878
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr. Wahidin Sudirohusodo"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.493603,
          -5.13499
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Andi Makkasau"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.633904,
          -4.035198
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Lakipadada Tana Toraja"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.867713,
          -3.073382
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Kab.Sinjai"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          120.24917,
          -5.128455
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Labuang Baji"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.418249,
          -5.162544
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RS Tk.II Pelamonia"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.414865,
          -5.138155
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RS Dr. Tadjuddin Chalid, MPH"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          119.516584,
          -5.111125
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Kendari (Bahtera Mas)"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          122.533652,
          -3.990001
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Dr. M Haulussy Ambon"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          128.165473,
          -3.708214
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUP dr J. Leimena"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          128.186535,
          -3.661374
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Dr. P. P. Magretti Saumlaki"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          131.308037,
          -7.97443
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Chasan Basoeri Ternate"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          127.375777,
          0.782095
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Jayapura"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          140.710415,
          -2.53495
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Nabire"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          135.529582,
          -3.342399
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSU Merauke"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          140.388782,
          -8.481756
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Manokwari"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          134.078721,
          -0.870857
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "Name": "RSUD Kab. Sorong"
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          131.246821,
          -0.869553
        ]
      }
    }
  ]
!

CSS 

              
                html, body
  margin 0

#panel-map
  height 100vh

.marker-cluster
	display flex
	align-items center
	justify-content center
	border-radius 50%
	line-height 1
	font-size 11px
	font-weight bold
	color #000
	background #C4C4C4
	box-shadow 0 0 0 5px rgba(255, 255, 255, 0.4)
	
.leaflet-container a.leaflet-popup-close-button
  color black !important
	
.leaflet-container .leaflet-control-attribution
  background rgba(0, 0, 0, 0.5)
  color rgba(255, 255, 255, 0.8)
!

JS 

              
                const indonesiaExtent = [
  [-10.3599874813, 95.2930261576],
  [5.47982086834, 141.03385176]
]

const popup = (feature, layer) => {
  layer.bindPopup(`
    <b>${feature.properties.Name}</b>
  `)
}

const itemMarker = (geoJsonPoint, latlng) =>
  L.circleMarker(latlng, {
    stroke: false,
    fillOpacity: 1,
    color: '#C4C4C4',
  })

const markerCluster = cluster => {
  const total = cluster.getAllChildMarkers()

  let iconSize
  if (total < 10) {
    iconSize = 24
  } else if (total < 20) {
    iconSize = 32
  } else {
    iconSize = 40
  }

	return L.divIcon({
    html: total.length,
    className: 'marker-cluster',
    iconSize: L.point(iconSize, iconSize, true)
  })
}

const mapRef = L
  .map('panel-map', {
    zoom: 5,
    maxZoom: 14,
    zoomControl: false,
    center: [-2.438, 117.949],
    maxBounds: indonesiaExtent,
  })
  .whenReady(e => {
    e.target.flyToBounds(indonesiaExtent, {
      paddingTopLeft: [0, 0]
    })
  })

L.tileLayer('https://cartodb-basemaps-{s}.global.ssl.fastly.net/dark_all/{z}/{x}/{y}.png', {
  attribution: `Map tiles by Carto, under CC BY 3.0. Data by OpenStreetMap, under ODbL. | Data extracted from <a href="http://siaga.bnpb.go.id/rsrujukancovid19">BNPB Map</a>`,
}).addTo(mapRef)

const geojson = L
  .geoJSON(data, {
    onEachFeature: popup,
    pointToLayer: itemMarker,
  })

L.markerClusterGroup({ iconCreateFunction: markerCluster })
  .addLayer(geojson)
  .addTo(mapRef)
!
999px

Console