@castianta/chart-lc/es/components/line.js

lc版图表

import _extends from "@babel/runtime/helpers/extends";
import React, { useState, useRef, useLayoutEffect, forwardRef, useImperativeHandle } from 'react';
import Base from './base';
import { toStrokeStyle } from '../utils';

var setSeries = function setSeries(_ref) {
  var series = _ref.series,
      _ref$list = _ref.list,
      name = _ref$list.name,
      data = _ref$list.data,
      color = _ref$list.color,
      thickness = _ref$list.thickness,
      cursorEnabled = _ref$list.cursorEnabled,
      resultTableFormatter = _ref$list.resultTableFormatter,
      index = _ref.index,
      _ref$chart3D = _ref.chart3D,
      chart3D = _ref$chart3D === void 0 ? false : _ref$chart3D;
  var config = series.clear().setName(name ? name : series.getName()).add(data === null || data === void 0 ? void 0 : data.map(function (item) {
    return _extends({
      z: index
    }, item);
  }));

  if (chart3D) {
    config.setLineStyle(toStrokeStyle(thickness, color, config.getLineStyle()));
  } else {
    config.setCursorEnabled(cursorEnabled).setStrokeStyle(toStrokeStyle(thickness, color, config.getStrokeStyle())).setCursorResultTableFormatter(resultTableFormatter ? resultTableFormatter : config.getCursorResultTableFormatter());
  }

  return config;
};

var Line = function Line(props, ref) {
  var dataSource = props.dataSource,
      _chartRender = props.chartRender,
      chart3D = props.chart3D;

  var _useState = useState(),
      chart = _useState[0],
      setChart = _useState[1];

  var refSeries = useRef();
  useImperativeHandle(ref, function () {
    return {
      chart: chart
    };
  }, [chart]);
  useLayoutEffect(function () {
    if (!chart) return;

    if (!_chartRender) {
      if (refSeries.current) {
        refSeries.current.forEach(function (series, index) {
          setSeries({
            series: series,
            list: dataSource[index],
            index: index,
            chart3D: chart3D
          });
        });
      } else {
        var seriesData = dataSource === null || dataSource === void 0 ? void 0 : dataSource.map(function (list, index) {
          var series = chart.addLineSeries();
          return setSeries({
            series: series,
            list: list,
            index: index,
            chart3D: chart3D
          });
        });
        refSeries.current = seriesData;
      }
    }
  }, [chart, dataSource]);
  return /*#__PURE__*/React.createElement(Base, _extends({}, props, {
    setChart: setChart,
    chart: chart,
    refSeries: refSeries,
    chartRender: function chartRender(setAxis) {
      return _chartRender && _chartRender(chart, {
        setAxis: setAxis,
        setSeries: setSeries
      }, dataSource);
    }
  }));
};

export default /*#__PURE__*/forwardRef(Line);