How to use the angular-highcharts.Chart function in angular-highcharts

init() {
    this.chart = new Chart({
      chart: {
        type: 'line'
      },
      title: {
        text: 'Linechart'
      },
      credits: {
        enabled: false
      },
      series: [
        {
          name: 'Line 1',
          data: [1, 2, 3],
          type: 'line'
        }
      ]

this.themeService.theme$.subscribe(theme => {
            this.chart = new Chart(this.options);
        });
    }

this.themeService.theme$.subscribe(theme => {
            this.chart = new Chart(this.options);
        });
    }

}) === -1) {
                        data.push([Date.parse(element.updated_at), null]);
                    }
                }
            });
            series.push({
                name: system,
                data: data
            });
        });
        this.options = {
            xAxis: { type: 'datetime' },
            title: { text: 'Influence trend' },
            series: series
        };
        this.chart = new Chart(this.options);
    }
}

},
          legend: {
            enabled: false
          },
          series: [{
            name: 'ARK/USD',
            data: currencyData,
            color: '#f0373c',
            animation: {
              duration: 350
            }
          }]
        };
        options = this.toDarkMode(options);

        this.chart = new Chart(options);

        this.chartBuild(this.chart);
      },
      () => {

drawChart(data) {
    this.chart = new Chart({
      title: {text: ''},
      credits: {enabled: false},
      exporting: {enabled: false},
      legend: {enabled: false},
      chart: {
        type: 'line',
        backgroundColor: 'transparent',
        height: null,
        zoomType: null
      },

      yAxis: {
        min: 0,
        tickAmount: 5,
        title: {
          text: ''

this._themeService.isDarkThemeChange$.subscribe((data) => {
      this.isDarkTheme = data;
      if (this.chart) {
        let options = this.chart['options'];
        options = this.toDarkMode(options);

        this.chart = new Chart(options);
        this.chartBuild(this.chart);
      }
    });
  }

this.themeService.theme$.subscribe(theme => {
            this.chart = new Chart(this.options);
        });
    }

this.themeService.theme$.subscribe(theme => {
            this.chart = new Chart(this.options);
        });
    }