Example VectorTile Styling Needed about ol-mapbox-style HOT 5 CLOSED

import stylefunction from 'ol-mapbox-style/stylefunction';
// OpenLayers imports from https://npmjs.com/package/ol
import VectorLayer from 'ol/layer/Vector';
import VectorSource from 'ol/source/Vector';
import GeoJSON from 'ol/format/GeoJSON';
 
var layer = new VectorLayer({
  source: new VectorSource({
    format: new GeoJSON(),
    url: 'data/states.geojson'
  })
});
 
fetch('data/states.json').then(function(response) {
  response.json().then(function(glStyle) {
    stylefunction(layer, glStyle, 'states');
  });
});

const vtLayer = new ol.layer.VectorTileLayer({
 declutter: true,
 renderMode: 'image',
 renderBuffer: 2,
 source: new ol.source.VectorTileSource({
   format: new ol.format.MVT(),
   overlaps: false,
   url: 'http://10.0.2.93:8080/geoserver/gwc/service/tms/1.0.0/bl:B_PARC@EPSG:900913@pbf/{z}/{x}/{-y}.pbf?1537872297191'
 })
});

const stylelyrs = {
    'version': 8,
    'name': 'test',
    'sources': {
      'test': {
        'type': 'vector'
      }
    },
    'layers': [{
      'id': 'parc1',
      'type': 'fill',
      'source': 'parc1',
      'paint': {
        'fill-color': '#00ff00',
        'fill-opacity': 1
      }
    },
    {
      'id': 'parc2',
      'type': 'line',
      'source': 'parc2',
      'paint': {
        'line-color': '#ff0000',
        'line-width': 0.2
      }
    }
    ]
  };

  stylefunction(vtLayer, stylelyrs, 'parc2');
  map.addLayer(vtLayer);