async $onChanges()

in modules/frontend/app/components/ignite-chart/controller.js [96:131]

• 26 lines of code
• 14 McCabe index (conditional complexity)

    async $onChanges(changes) {
        if (this.chart && _.get(changes, 'refreshRate.currentValue'))
            this.onRefreshRateChanged(_.get(changes, 'refreshRate.currentValue'));

        if ((changes.chartDataPoint && _.isNil(changes.chartDataPoint.currentValue)) ||
            (changes.chartHistory && _.isEmpty(changes.chartHistory.currentValue))) {
            this.clearDatasets();
            this.localHistory = [];

            return;
        }

        if (changes.chartHistory && changes.chartHistory.currentValue && changes.chartHistory.currentValue.length !== changes.chartHistory.previousValue.length) {
            if (!this.chart)
                await this.initChart();

            this.clearDatasets();
            this.localHistory = [...changes.chartHistory.currentValue];

            this.newPoints.splice(0, this.newPoints.length, ...changes.chartHistory.currentValue);

            this._refresh();

            return;
        }

        if (this.chartDataPoint && changes.chartDataPoint) {
            if (!this.chart)
                this.initChart();

            this.newPoints.push(this.chartDataPoint);
            this.localHistory.push(this.chartDataPoint);

            this._refresh();
        }
    }