init()

in src/Wheatmap/index.tsx [62:167]

• 68 lines of code
• 6 McCabe index (conditional complexity)

  init(chart: Chart, config: WheatmapConfig, data: any) {
    const defs: Record<string, Types.ScaleOption> = {
      x: propertyAssign(
        propertyMap.axis,
        {
          type: 'cat',
        },
        config.xAxis,
      ),
      y: propertyAssign(
        propertyMap.axis,
        {
          type: 'cat',
        },
        config.yAxis,
      ),
      type: {
        type: 'cat',
      },
    };

    chart.scale(defs);

    chart.data(data);

    if (config.coordinate) {
      const { type = 'rect', reflect } = config.coordinate;
      const coord = chart.coordinate(type);
      if (reflect) {
        coord.reflect(reflect);
      }
    }

    // 设置单个Y轴
    rectYAxis(this, chart, config, undefined, {
      grid: null,
    });

    // 设置X轴
    rectXAxis(this, chart, config);

    chart.legend('x', false);
    chart.legend('y', false);
    // 设置图例
    rectLegend(this, chart, config, {}, 'multiple', 'type');

    legendFilter(this, chart);

    // tooltip
    rectTooltip(
      this,
      chart,
      config,
      {
        showMarkers: false,
        showCrosshairs: false,
      },
      null,
      {
        showTitle: false,
        showMarkers: false,
        showCrosshairs: false,
      },
    );

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

    const geom = chart
      .polygon()
      .position('x*y')
      .color('type', config.colors)
      .tooltip('x*y*extra', (x, y, extra) => {
        const val = Array.isArray(extra) ? extra[0] : extra.value;
        return {
          name: `${x} - ${y}`,
          value: val || val === 0 ? val : '-',
        };
      });

    geomStyle(geom, config.geomStyle, {
      lineWidth: 1,
      stroke: themes['widgets-map-area-border'],
    });

    label({
      geom: geom,
      config: config,
      useCustomOffset: true,
      componentConfig: {
        position: 'middle',
        offset: 0,
        content(data, item, i) {
          if (!config.label) {
            return;
          }
          const val = Array.isArray(data.extra) ? data.extra[0] : data.extra.value;
          let result = val || val === 0 ? val : '-';
          if (typeof config.label === 'object' && config.label.labelFormatter) {
            result = config.label.labelFormatter(result, item, i);
          }
          return result;
        },
      },
    });
  }