function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
var _excluded = ["ref"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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 = {}; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } } return target; }
/**
 * @fileOverview Legend
 */
import React, { PureComponent } from 'react';
import { DefaultLegendContent } from './DefaultLegendContent';
import { isNumber } from '../util/DataUtils';
import { getUniqPayload } from '../util/payload/getUniqPayload';
function defaultUniqBy(entry) {
  return entry.value;
}
function renderContent(content, props) {
  if ( /*#__PURE__*/React.isValidElement(content)) {
    return /*#__PURE__*/React.cloneElement(content, props);
  }
  if (typeof content === 'function') {
    return /*#__PURE__*/React.createElement(content, props);
  }
  var ref = props.ref,
    otherProps = _objectWithoutProperties(props, _excluded);
  return /*#__PURE__*/React.createElement(DefaultLegendContent, otherProps);
}
var EPS = 1;
export var Legend = /*#__PURE__*/function (_PureComponent) {
  function Legend() {
    var _this;
    _classCallCheck(this, Legend);
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    _this = _callSuper(this, Legend, [].concat(args));
    _defineProperty(_this, "lastBoundingBox", {
      width: -1,
      height: -1
    });
    return _this;
  }
  _inherits(Legend, _PureComponent);
  return _createClass(Legend, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.updateBBox();
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      this.updateBBox();
    }
  }, {
    key: "getBBox",
    value: function getBBox() {
      if (this.wrapperNode && this.wrapperNode.getBoundingClientRect) {
        var box = this.wrapperNode.getBoundingClientRect();
        box.height = this.wrapperNode.offsetHeight;
        box.width = this.wrapperNode.offsetWidth;
        return box;
      }
      return null;
    }
  }, {
    key: "updateBBox",
    value: function updateBBox() {
      var onBBoxUpdate = this.props.onBBoxUpdate;
      var box = this.getBBox();
      if (box) {
        if (Math.abs(box.width - this.lastBoundingBox.width) > EPS || Math.abs(box.height - this.lastBoundingBox.height) > EPS) {
          this.lastBoundingBox.width = box.width;
          this.lastBoundingBox.height = box.height;
          if (onBBoxUpdate) {
            onBBoxUpdate(box);
          }
        }
      } else if (this.lastBoundingBox.width !== -1 || this.lastBoundingBox.height !== -1) {
        this.lastBoundingBox.width = -1;
        this.lastBoundingBox.height = -1;
        if (onBBoxUpdate) {
          onBBoxUpdate(null);
        }
      }
    }
  }, {
    key: "getBBoxSnapshot",
    value: function getBBoxSnapshot() {
      if (this.lastBoundingBox.width >= 0 && this.lastBoundingBox.height >= 0) {
        return _objectSpread({}, this.lastBoundingBox);
      }
      return {
        width: 0,
        height: 0
      };
    }
  }, {
    key: "getDefaultPosition",
    value: function getDefaultPosition(style) {
      var _this$props = this.props,
        layout = _this$props.layout,
        align = _this$props.align,
        verticalAlign = _this$props.verticalAlign,
        margin = _this$props.margin,
        chartWidth = _this$props.chartWidth,
        chartHeight = _this$props.chartHeight;
      var hPos, vPos;
      if (!style || (style.left === undefined || style.left === null) && (style.right === undefined || style.right === null)) {
        if (align === 'center' && layout === 'vertical') {
          var box = this.getBBoxSnapshot();
          hPos = {
            left: ((chartWidth || 0) - box.width) / 2
          };
        } else {
          hPos = align === 'right' ? {
            right: margin && margin.right || 0
          } : {
            left: margin && margin.left || 0
          };
        }
      }
      if (!style || (style.top === undefined || style.top === null) && (style.bottom === undefined || style.bottom === null)) {
        if (verticalAlign === 'middle') {
          var _box = this.getBBoxSnapshot();
          vPos = {
            top: ((chartHeight || 0) - _box.height) / 2
          };
        } else {
          vPos = verticalAlign === 'bottom' ? {
            bottom: margin && margin.bottom || 0
          } : {
            top: margin && margin.top || 0
          };
        }
      }
      return _objectSpread(_objectSpread({}, hPos), vPos);
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;
      var _this$props2 = this.props,
        content = _this$props2.content,
        width = _this$props2.width,
        height = _this$props2.height,
        wrapperStyle = _this$props2.wrapperStyle,
        payloadUniqBy = _this$props2.payloadUniqBy,
        payload = _this$props2.payload;
      var outerStyle = _objectSpread(_objectSpread({
        position: 'absolute',
        width: width || 'auto',
        height: height || 'auto'
      }, this.getDefaultPosition(wrapperStyle)), wrapperStyle);
      return /*#__PURE__*/React.createElement("div", {
        className: "recharts-legend-wrapper",
        style: outerStyle,
        ref: function ref(node) {
          _this2.wrapperNode = node;
        }
      }, renderContent(content, _objectSpread(_objectSpread({}, this.props), {}, {
        payload: getUniqPayload(payload, payloadUniqBy, defaultUniqBy)
      })));
    }
  }], [{
    key: "getWithHeight",
    value: function getWithHeight(item, chartWidth) {
      var _this$defaultProps$it = _objectSpread(_objectSpread({}, this.defaultProps), item.props),
        layout = _this$defaultProps$it.layout;
      if (layout === 'vertical' && isNumber(item.props.height)) {
        return {
          height: item.props.height
        };
      }
      if (layout === 'horizontal') {
        return {
          width: item.props.width || chartWidth
        };
      }
      return null;
    }
  }]);
}(PureComponent);
_defineProperty(Legend, "displayName", 'Legend');
_defineProperty(Legend, "defaultProps", {
  iconSize: 14,
  layout: 'horizontal',
  align: 'center',
  verticalAlign: 'bottom'
});