AppPear/ChartView

import SwiftUI
import SwiftUICharts

struct DemoView: View {
    var body: some View {
        AxisLabels {
            ChartGrid {
                LineChart()
                    .chartData([12, 34, 23, 18, 36, 22, 26])
                    .chartYRange(10...40)
                    .chartLineMarks(true, color: ColorGradient(.blue, .purple))
                    .chartStyle(
                        ChartStyle(
                            backgroundColor: .white,
                            foregroundColor: ColorGradient(.blue, .purple)
                        )
                    )
            }
            .chartGridLines(horizontal: 5, vertical: 6)
        }
        .chartXAxisLabels(["M", "T", "W", "T", "F", "S", "S"])
        .chartAxisColor(.secondary)
        .chartAxisFont(.caption)
        .frame(height: 220)
        .padding()
    }
}

AxisLabels {
    ChartGrid {
        BarChart()
            .chartData([2, 4, 1, 3, 5])
            .chartStyle(ChartStyle(backgroundColor: .white,
                                   foregroundColor: ColorGradient(.orange, .red)))

        LineChart()
            .chartData([2, 4, 1, 3, 5])
            .chartLineMarks(true)
            .chartStyle(ChartStyle(backgroundColor: .white,
                                   foregroundColor: ColorGradient(.blue, .purple)))
    }
    .chartGridLines(horizontal: 5, vertical: 5)
}
.chartXAxisLabels([(0, "A"), (1, "B"), (2, "C"), (3, "D"), (4, "E")], range: 0...4)

let selected = ChartValue()

VStack(alignment: .leading) {
    ChartLabel("Weekly Sales", type: .title)
    ChartLabel("Drag bars", type: .legend, format: "%.1f")

    BarChart().chartData([14, 22, 18, 31, 26, 19, 24])
}
.chartInteractionValue(selected)

BarChart()
    .chartData([8, 11, 13, 9, 12])
    .chartSelectionHandler { event in
        guard event.isActive,
              let value = event.value,
              let index = event.index else { return }
        print("selected", index, value)
    }

@ObservedObject private var stream = ChartStreamingDataSource(
    initialValues: [18, 23, 20, 27, 29, 24],
    windowSize: 6,
    autoScroll: true
)

LineChart()
    .chartData(stream)
    .chartYRange(stream.suggestedYRange)

LineChart()
    .chartData(largeSeries)
    .chartPerformance(.automatic(threshold: 600,
                                 maxPoints: 180,
                                 simplifyLineStyle: true))