{
  "order": 2,
  "key": "area-chart",
  "type": "area-chart",
  "name": "面积图",
  "description": "折线下方填充面积，展示数值随时间的变化趋势并突出总量",
  "tags": [
    "charts",
    "面积图",
    "area-chart"
  ],
  "renderer": "echarts",
  "group": "charts",
  "icon": "solar:graph-new-bold",
  "usage_notes": [
    "默认图表数据仅用于演示，不是真实业务数据",
    "通过顶层 dataId 关联已有数据源，当前后端尚未实现绑定操作"
  ],
  "field_groups": [
    "node-base",
    "chart-title",
    "chart-legend",
    "chart-grid",
    "chart-axis",
    "chart-line-series",
    {
      "key": "area-fill",
      "label": "面积",
      "description": "折线下方填充区域",
      "fields": [
        {
          "path": "props.option.series.0.areaStyle.color",
          "label": "面积色",
          "description": "折线下方填充区域的颜色，通常带透明度，例如 rgba(64, 158, 255, 0.25)",
          "value_type": "color",
          "aliases": [
            "填充色",
            "面积颜色",
            "阴影颜色"
          ]
        }
      ]
    },
    "chart-dataset",
    "chart-encode-xy"
  ],
  "event_groups": [
    "dom-events",
    "chart-events"
  ],
  "rows_path": "props.option.dataset.source",
  "data_source": true,
  "schema": {
    "type": "area-chart",
    "name": "面积图",
    "layout": {
      "x": 0,
      "y": 0,
      "width": 400,
      "height": 260
    },
    "props": {
      "option": {
        "legend": {
          "top": 38,
          "left": "center",
          "itemWidth": 12,
          "itemHeight": 8,
          "show": true
        },
        "title": {
          "text": "成交额趋势",
          "top": 8,
          "left": "center",
          "textStyle": {
            "fontSize": 16
          }
        },
        "tooltip": {
          "trigger": "axis"
        },
        "dataset": {
          "source": [
            {
              "date": "周一",
              "revenue": 120
            },
            {
              "date": "周二",
              "revenue": 200
            },
            {
              "date": "周三",
              "revenue": 150
            },
            {
              "date": "周四",
              "revenue": 260
            },
            {
              "date": "周五",
              "revenue": 330
            },
            {
              "date": "周六",
              "revenue": 420
            },
            {
              "date": "周日",
              "revenue": 510
            }
          ]
        },
        "grid": {
          "top": 86,
          "right": 24,
          "bottom": 32,
          "left": 48,
          "containLabel": true
        },
        "xAxis": {
          "type": "category",
          "boundaryGap": false
        },
        "yAxis": {
          "type": "value"
        },
        "series": [
          {
            "name": "成交额",
            "type": "line",
            "smooth": true,
            "symbolSize": 8,
            "encode": {
              "x": "date",
              "y": "revenue"
            },
            "lineStyle": {
              "width": 3,
              "color": "#409eff"
            },
            "itemStyle": {
              "color": "#409eff"
            },
            "areaStyle": {
              "color": "rgba(64, 158, 255, 0.25)"
            }
          }
        ]
      }
    },
    "style": null,
    "events": []
  }
}