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{ animation, interaction, scale, state, theme, tooltip } from '../../adaptor/common';\nimport { interval } from '../../adaptor/geometries';\nimport { pattern } from '../../adaptor/pattern';\nimport { Params } from '../../core/adaptor';\nimport { deepAssign, findGeometry, flow, transformLabel } from '../../utils';\nimport { binHistogram } from '../../utils/transform/histogram';\nimport { HISTOGRAM_X_FIELD, HISTOGRAM_Y_FIELD } from './constant';\nimport { HistogramOptions } from './types';\n\n/**\n * geometry 处理\n * @param params\n */\nfunction geometry(params: Params<HistogramOptions>): Params<HistogramOptions> {\n  const { chart, options } = params;\n  const { data, binField, binNumber, binWidth, color, stackField, legend, columnStyle } = options;\n\n  // 处理数据\n  const plotData = binHistogram(data, binField, binWidth, binNumber, stackField);\n\n  chart.data(plotData);\n\n  const p = deepAssign({}, params, {\n    options: {\n      xField: HISTOGRAM_X_FIELD,\n      yField: HISTOGRAM_Y_FIELD,\n      seriesField: stackField,\n      isStack: true,\n      interval: {\n        color,\n        style: columnStyle,\n      },\n    },\n  });\n\n  interval(p);\n\n  // 图例\n  if (legend && stackField) {\n    chart.legend(stackField, legend);\n  } else {\n    chart.legend(false);\n  }\n\n  return params;\n}\n\n/**\n * meta 配置\n * @param params\n */\nfunction meta(params: Params<HistogramOptions>): Params<HistogramOptions> {\n  const { options } = params;\n  const { xAxis, yAxis } = options;\n\n  return flow(\n    scale({\n      [HISTOGRAM_X_FIELD]: xAxis,\n      [HISTOGRAM_Y_FIELD]: yAxis,\n    })\n  )(params);\n}\n\n/**\n * axis 配置\n * @param params\n */\nfunction axis(params: Params<HistogramOptions>): Params<HistogramOptions> {\n  const { chart, options } = params;\n  const { xAxis, yAxis } = options;\n\n  // 为 false 则是不显示轴\n  if (xAxis === false) {\n    chart.axis(HISTOGRAM_X_FIELD, false);\n  } else {\n    chart.axis(HISTOGRAM_X_FIELD, xAxis);\n  }\n\n  if (yAxis === false) {\n    chart.axis(HISTOGRAM_Y_FIELD, false);\n  } else {\n    chart.axis(HISTOGRAM_Y_FIELD, yAxis);\n  }\n\n  return params;\n}\n\n/**\n * label 配置\n * @param params\n */\nfunction label(params: Params<HistogramOptions>): Params<HistogramOptions> {\n  const { chart, options } = params;\n  const { label } = options;\n\n  const geometry = findGeometry(chart, 'interval');\n\n  if (!label) {\n    geometry.label(false);\n  } else {\n    const { callback, ...cfg } = label;\n    geometry.label({\n      fields: [HISTOGRAM_Y_FIELD],\n      callback,\n      cfg: transformLabel(cfg),\n    });\n  }\n\n  return params;\n}\n\n/**\n * 直方图适配器\n * @param chart\n * @param options\n */\nexport function adaptor(params: Params<HistogramOptions>) {\n  // flow 的方式处理所有的配置到 G2 API\n  return flow(\n    theme,\n    pattern('columnStyle'),\n    geometry,\n    meta,\n    axis,\n    state,\n    label,\n    tooltip,\n    interaction,\n    animation\n  )(params);\n}\n"]}