recharts/lib/cartesian/ErrorBar.js

React charts

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.ErrorBar = ErrorBar;

var _react = _interopRequireDefault(require("react"));

var _Layer = require("../container/Layer");

var _types = require("../util/types");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

function ErrorBar(props) {
  var offset = props.offset,
      layout = props.layout,
      width = props.width,
      dataKey = props.dataKey,
      data = props.data,
      dataPointFormatter = props.dataPointFormatter,
      xAxis = props.xAxis,
      yAxis = props.yAxis,
      others = _objectWithoutProperties(props, ["offset", "layout", "width", "dataKey", "data", "dataPointFormatter", "xAxis", "yAxis"]);

  var svgProps = (0, _types.filterProps)(others);
  var errorBars = data.map(function (entry, i) {
    var _dataPointFormatter = dataPointFormatter(entry, dataKey),
        x = _dataPointFormatter.x,
        y = _dataPointFormatter.y,
        value = _dataPointFormatter.value,
        errorVal = _dataPointFormatter.errorVal;

    if (!errorVal) {
      return null;
    }

    var lineCoordinates = [];
    var lowBound, highBound;

    if (Array.isArray(errorVal)) {
      var _errorVal = _slicedToArray(errorVal, 2);

      lowBound = _errorVal[0];
      highBound = _errorVal[1];
    } else {
      lowBound = highBound = errorVal;
    }

    if (layout === 'vertical') {
      // error bar for horizontal charts, the y is fixed, x is a range value
      var scale = xAxis.scale;
      var yMid = y + offset;
      var yMin = yMid + width;
      var yMax = yMid - width;
      var xMin = scale(value - lowBound);
      var xMax = scale(value + highBound); // the right line of |--|

      lineCoordinates.push({
        x1: xMax,
        y1: yMin,
        x2: xMax,
        y2: yMax
      }); // the middle line of |--|

      lineCoordinates.push({
        x1: xMin,
        y1: yMid,
        x2: xMax,
        y2: yMid
      }); // the left line of |--|

      lineCoordinates.push({
        x1: xMin,
        y1: yMin,
        x2: xMin,
        y2: yMax
      });
    } else if (layout === 'horizontal') {
      // error bar for horizontal charts, the x is fixed, y is a range value
      var _scale = yAxis.scale;
      var xMid = x + offset;

      var _xMin = xMid - width;

      var _xMax = xMid + width;

      var _yMin = _scale(value - lowBound);

      var _yMax = _scale(value + highBound); // the top line


      lineCoordinates.push({
        x1: _xMin,
        y1: _yMax,
        x2: _xMax,
        y2: _yMax
      }); // the middle line

      lineCoordinates.push({
        x1: xMid,
        y1: _yMin,
        x2: xMid,
        y2: _yMax
      }); // the bottom line

      lineCoordinates.push({
        x1: _xMin,
        y1: _yMin,
        x2: _xMax,
        y2: _yMin
      });
    }

    return (
      /*#__PURE__*/
      // eslint-disable-next-line react/no-array-index-key
      _react["default"].createElement(_Layer.Layer, _extends({
        className: "recharts-errorBar",
        key: "bar-".concat(i)
      }, svgProps), lineCoordinates.map(function (coordinates, index) {
        return (
          /*#__PURE__*/
          // eslint-disable-next-line react/no-array-index-key
          _react["default"].createElement("line", _extends({}, coordinates, {
            key: "line-".concat(index)
          }))
        );
      }))
    );
  });
  return /*#__PURE__*/_react["default"].createElement(_Layer.Layer, {
    className: "recharts-errorBars"
  }, errorBars);
}

ErrorBar.defaultProps = {
  stroke: 'black',
  strokeWidth: 1.5,
  width: 5,
  offset: 0,
  layout: 'horizontal'
};
ErrorBar.displayName = 'ErrorBar';