Function onLoad

example/src/pages/Main/Map.jsx:54–71

()

    });

    const onLoad = () => {
      setMap(m);
      m.addSource('items', {
        type: 'geojson',
        data: { type: 'FeatureCollection', features: [] },
      });

      m.addLayer({
        id: 'items',
        type: 'line',
        source: 'items',
        layout: {},
        paint: {
          'line-color': '#0080ff',
          'line-width': 1,
        },
      });
    };
    m.on('load', onLoad);
    drawControleRef.current = addDrawControl(m, handleDrawComplete);