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{ get } from '@antv/util';\nimport { animation, annotation, interaction as commonInteraction, legend, theme, tooltip } from '../../adaptor/common';\nimport { polygon as basePolygon } from '../../adaptor/geometries/polygon';\nimport { pattern } from '../../adaptor/pattern';\nimport { Params } from '../../core/adaptor';\nimport { deepAssign, flow } from '../../utils';\nimport { getAdjustAppendPadding } from '../../utils/padding';\nimport { TreemapOptions } from './types';\nimport { enableDrillInteraction, findInteraction, transformData } from './utils';\n\n/**\n * 获取默认 option\n * @param params\n */\nfunction defaultOptions(params: Params<TreemapOptions>): Params<TreemapOptions> {\n  const { options } = params;\n  const { colorField } = options;\n\n  return deepAssign(\n    {\n      options: {\n        rawFields: ['value'],\n        tooltip: {\n          fields: ['name', 'value', colorField, 'path'],\n          formatter: (data) => {\n            return {\n              name: data.name,\n              value: data.value,\n            };\n          },\n        },\n      },\n    },\n    params\n  );\n}\n\n/**\n * 字段\n * @param params\n */\nfunction geometry(params: Params<TreemapOptions>): Params<TreemapOptions> {\n  const { chart, options } = params;\n  const { color, colorField, rectStyle, hierarchyConfig, rawFields } = options;\n\n  const data = transformData({\n    data: options.data,\n    colorField: options.colorField,\n    enableDrillDown: enableDrillInteraction(options),\n    hierarchyConfig,\n  });\n\n  chart.data(data);\n\n  // geometry\n  basePolygon(\n    deepAssign({}, params, {\n      options: {\n        xField: 'x',\n        yField: 'y',\n        seriesField: colorField,\n        rawFields: rawFields,\n        polygon: {\n          color,\n          style: rectStyle,\n        },\n      },\n    })\n  );\n\n  // 做一个反转，这样配合排序，可以将最大值放到左上角，最小值放到右下角\n  chart.coordinate().reflect('y');\n\n  return params;\n}\n\n/**\n * 坐标轴\n * @param params\n */\nfunction axis(params: Params<TreemapOptions>): Params<TreemapOptions> {\n  const { chart } = params;\n  chart.axis(false);\n  return params;\n}\n\nfunction adaptorInteraction(options: TreemapOptions): TreemapOptions {\n  const { drilldown, interactions = [] } = options;\n\n  const enableDrillDown = enableDrillInteraction(options);\n  if (enableDrillDown) {\n    return deepAssign({}, options, {\n      interactions: [\n        ...interactions,\n        {\n          type: 'drill-down',\n          // 🚓 这不是一个规范的 API，后续会变更。慎重参考\n          cfg: { drillDownConfig: drilldown, transformData },\n        },\n      ],\n    });\n  }\n  return options;\n}\n\n/**\n * Interaction 配置\n * @param params\n */\nexport function interaction(params: Params<TreemapOptions>): Params<TreemapOptions> {\n  const { chart, options } = params;\n  const { interactions, drilldown } = options;\n\n  commonInteraction({\n    chart,\n    options: adaptorInteraction(options),\n  });\n\n  // 适配 view-zoom\n  const viewZoomInteraction = findInteraction(interactions, 'view-zoom');\n\n  if (viewZoomInteraction) {\n    // 开启缩放 interaction 后，则阻止默认滚动事件，避免整个窗口的滚动\n    if (viewZoomInteraction.enable !== false) {\n      chart.getCanvas().on('mousewheel', (ev) => {\n        ev.preventDefault();\n      });\n    } else {\n      // 手动关闭后，清除。仅对声明 viewZoomInteraction 的清除。\n      chart.getCanvas().off('mousewheel');\n    }\n  }\n\n  // 适应下钻交互面包屑\n  const enableDrillDown = enableDrillInteraction(options);\n  if (enableDrillDown) {\n    // 为面包屑在底部留出 25px 的空间\n    chart.appendPadding = getAdjustAppendPadding(chart.appendPadding, get(drilldown, ['breadCrumb', 'position']));\n  }\n  return params;\n}\n\n/**\n * 矩形树图\n * @param chart\n * @param options\n */\nexport function adaptor(params: Params<TreemapOptions>) {\n  return flow(\n    defaultOptions,\n    theme,\n    pattern('rectStyle'),\n    geometry,\n    axis,\n    legend,\n    tooltip,\n    interaction,\n    animation,\n    annotation()\n  )(params);\n}\n"]}