olah grafik dibikin fungsi

methods: {
    barchartDataKehadiran: function (sakit, izin, alfa, batasbawah) {
      return {
        labels: ['Sakit', 'Izin', 'Alfa'],
        datasets: [
          {
            label: sakit,
            borderColor: 'rgba(50, 115, 220, 1)',
            backgroundColor: 'rgba(50, 115, 220, 1)',
            data: [sakit, izin, alfa, batasbawah]
          }
        ]
      }
    }
  }