init()

in src/Wscatter/index.tsx [61:166]

• 73 lines of code
• 7 McCabe index (conditional complexity)

  init(chart: Chart, config: WscatterConfig, data: any) {
    // const config = userConfig;
    const { colors, jitter } = config;

    const defs: Record<string, Types.ScaleOption> = {
      x: propertyAssign(
        propertyMap.axis,
        {
          type: config.jitter ? 'cat' : 'linear',
        },
        config.xAxis
      ),
      type: {
        type: 'cat',
      },
    };

    defs.y = propertyAssign(
      propertyMap.axis,
      {
        type: 'linear',
        tickCount: 5,
        nice: true,
      },
      config.yAxis
    );

    autoTimeScale(defs, this.rawData, this.language || this.context.language);

    // rectAutoTickCount(chart, config, defs, false);

    // chart.source(data, defs);
    chart.scale(defs);
    chart.data(data);

    // 设置X轴
    const xAxis: any = {};

    if (config.jitter) {
      xAxis.grid = {
        align: 'center', // 网格顶点从两个刻度中间开始
        line:{
          style: {
            stroke: themes['widgets-axis-grid'],
            lineWidth: 1,
            // lineDash: [3, 3]
          },
        }
      };
    }

    // 扰动点图不能打开垂直网格线
    if (config.grid && !config.jitter) {
      xAxis.grid = {
        line: {
          style: {
            stroke: themes['widgets-axis-grid'],
            lineWidth: 1,
          }
        },
      };
    }

    rectXAxis(this, chart, config, xAxis);

    // 设置单个Y轴
    rectYAxis(this, chart, config);

    rectTooltip(this, chart, config, {
      crosshairs: null,
    }, null, {crosshairs: {type: 'xy'}});

    legendFilter(this, chart);

    // 绘制辅助线，辅助背景区域
    guide(chart, config);

    const geom = chart
      .point()
      .color('type', colors)
      .position('x*y')
      .shape('circle');

    if (jitter) {
      if (typeof jitter === 'object') {
        geom.adjust({
          type: 'jitter',
          ...jitter,
        });
      } else {
        geom.adjust('jitter');
      }
    }

    geomStyle(geom, config.geomStyle)

    label({ geom: geom, config: config });

    geomSize(geom, config.size, 4, 'y', 'x*y*type*extra');
    chart.legend('x', false);
    chart.legend('y', false);
    chart.legend('extra', false);

    // fix: 设置 rectLegend 后如果再调用 chart.legend 会生成默认图例
    rectLegend(this, chart, config, null, 'multiple', 'type');
  }