@alicloud/cloud-charts/lib/rule/bigData.js


"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

exports.__esModule = true;
exports.isBigDataInit = isBigDataInit;
exports.isBigDataBeforePaint = isBigDataBeforePaint;
exports.processBarBigData = processBarBigData;
exports.processLineBigData = processLineBigData;
exports.processPieBigData = processPieBigData;
exports.BigDataJudgement = void 0;

var _log = require("../common/log");

var _common = require("../common/common");

var _themes = _interopRequireDefault(require("../themes"));

/** 大数据判断条件 */
var BigDataJudgement;
/** 大数据处理 */

exports.BigDataJudgement = BigDataJudgement;

(function (BigDataJudgement) {
  BigDataJudgement[BigDataJudgement["Length"] = 0] = "Length";
  BigDataJudgement[BigDataJudgement["Area"] = 1] = "Area";
  BigDataJudgement[BigDataJudgement["Polar"] = 2] = "Polar";
  BigDataJudgement[BigDataJudgement["Number"] = 3] = "Number";
})(BigDataJudgement || (exports.BigDataJudgement = BigDataJudgement = {}));

/** 判断是否是大数据（初始化） */
function isBigDataInit(chartName, judgements, dataSize, width, height, mainAxis) {
  if (mainAxis === void 0) {
    mainAxis = 'x';
  }

  if (!dataSize || !width || !height) {
    return false;
  }

  var res = false;
  judgements === null || judgements === void 0 ? void 0 : judgements.forEach(function (judgement) {
    var type = judgement.type,
        threshold = judgement.threshold,
        _judgement$period = judgement.period,
        period = _judgement$period === void 0 ? 'init' : _judgement$period,
        message = judgement.message;

    if (period === 'init') {
      var isBigData = false;

      if (type === BigDataJudgement.Length) {
        var length = mainAxis === 'x' ? width !== null && width !== void 0 ? width : 0 : height !== null && height !== void 0 ? height : 0;
        isBigData = length > 0 && length / dataSize < threshold;
      } else if (type === BigDataJudgement.Area) {
        isBigData = height * width / dataSize < threshold;
      } else if (type === BigDataJudgement.Number) {
        isBigData = dataSize > threshold;
      } else if (type === BigDataJudgement.Polar) {
        var radius = Math.min(height, width);
        isBigData = radius < threshold;
      }

      res = res || isBigData;

      if (isBigData && message) {
        (0, _log.warn)(chartName, message);
      }
    }
  });
  return res;
}
/** 判断是否是大数据(绘制前) */


function isBigDataBeforePaint(chartName, judgements, chart, dataSize, mainAxis) {
  if (mainAxis === void 0) {
    mainAxis = 'x';
  }

  var res = false;
  judgements === null || judgements === void 0 ? void 0 : judgements.forEach(function (judgement) {
    var type = judgement.type,
        threshold = judgement.threshold,
        _judgement$period2 = judgement.period,
        period = _judgement$period2 === void 0 ? 'init' : _judgement$period2,
        message = judgement.message;

    if (period === 'before_paint') {
      var isBigData = false;

      var _ref = (chart === null || chart === void 0 ? void 0 : chart.coordinateBBox) || {},
          _ref$width = _ref.width,
          width = _ref$width === void 0 ? 0 : _ref$width,
          _ref$height = _ref.height,
          height = _ref$height === void 0 ? 0 : _ref$height;

      if (type === BigDataJudgement.Length) {
        var length = mainAxis === 'x' ? width : height;
        isBigData = length > 0 && length / dataSize < threshold;
      } else if (type === BigDataJudgement.Area) {
        isBigData = height * width / dataSize < threshold;
      } else if (type === BigDataJudgement.Number) {
        isBigData = dataSize > threshold;
      }

      if (type === BigDataJudgement.Polar) {
        var _chart$coordinateBBox, _chart$coordinateBBox2;

        var radius = Math.min(chart === null || chart === void 0 ? void 0 : (_chart$coordinateBBox = chart.coordinateBBox) === null || _chart$coordinateBBox === void 0 ? void 0 : _chart$coordinateBBox.height, chart === null || chart === void 0 ? void 0 : (_chart$coordinateBBox2 = chart.coordinateBBox) === null || _chart$coordinateBBox2 === void 0 ? void 0 : _chart$coordinateBBox2.width);
        isBigData = radius < threshold;
      }

      res = res || isBigData;

      if (isBigData && message) {
        (0, _log.warn)(chartName, message);
      }
    }
  });
  return res;
}
/** 柱图大数据处理方式：开启slider */


function processBarBigData(chartObj, data) {
  var dataSize = chartObj.dataSize;
  return {
    config: {// 暂时不显示slider
      // slider: {
      //   start: 1 - Math.max(Number((30 / dataSize).toFixed(2)), 0.01),
      //   end: 1,
      // },
    }
  };
}
/** 线图大数据处理方式： */


function processLineBigData(chartObj, data) {
  var dataSize = chartObj.dataSize;
  return {
    config: {
      symbol: false,
      spline: false,
      area: false // 暂时不显示slider
      // slider: {
      //   start: 1 - Math.max(Number((100 / dataSize).toFixed(2)), 0.01),
      //   end: 1,
      // },

    }
  };
}
/** 饼图大数据处理方式：合并数据 */


function processPieBigData(chartObj, data) {
  var _props$config;

  var dataSize = chartObj.dataSize,
      props = chartObj.props;

  if (props !== null && props !== void 0 && (_props$config = props.config) !== null && _props$config !== void 0 && _props$config.autoFormat && dataSize > 5) {
    var _props$config2;

    // 数据排序
    if ((props === null || props === void 0 ? void 0 : (_props$config2 = props.config) === null || _props$config2 === void 0 ? void 0 : _props$config2.autoSort) !== false) {
      data.sort(function (a, b) {
        return b.y - a.y;
      });
    } // 计算总数据


    var total = data.reduce(function (pre, cur) {
      return pre + cur.y;
    }, 0); // 计算剩余占比

    var remainTotal = data.slice(5, data.length).reduce(function (pre, cur) {
      return pre + cur.y;
    }, 0); // 若剩余内容小于10%，剩余内容改为其他

    if ((0, _common.numberDecimal)(remainTotal / total, 2) <= 0.1) {
      var newData = [].concat(data.slice(0, 5), [{
        x: '其他',
        y: remainTotal
      }]);
      return {
        data: newData,
        config: {
          autoSort: false,
          colors: _themes["default"].category_12.slice(0, 5).concat(_themes["default"]['widgets-axis-line'])
        }
      };
    }
  }

  return {};
}