recharts
Version:
React charts
506 lines (504 loc) • 24.1 kB
JavaScript
var _excluded = ["type", "layout", "connectNulls", "ref"];
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); }
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 _extends() { _extends = Object.assign ? Object.assign.bind() : 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 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 _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread 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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
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 _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 _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 _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
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 : String(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); }
/**
* @fileOverview Line
*/
import React, { PureComponent } from 'react';
import Animate from 'react-smooth';
import isFunction from 'lodash/isFunction';
import isNil from 'lodash/isNil';
import isEqual from 'lodash/isEqual';
import clsx from 'clsx';
import { Curve } from '../shape/Curve';
import { Dot } from '../shape/Dot';
import { Layer } from '../container/Layer';
import { LabelList } from '../component/LabelList';
import { ErrorBar } from './ErrorBar';
import { uniqueId, interpolateNumber } from '../util/DataUtils';
import { findAllByType, filterProps, isDotProps } from '../util/ReactUtils';
import { Global } from '../util/Global';
import { getCateCoordinateOfLine, getValueByDataKey } from '../util/ChartUtils';
export var Line = /*#__PURE__*/function (_PureComponent) {
_inherits(Line, _PureComponent);
function Line() {
var _this;
_classCallCheck(this, Line);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = _callSuper(this, Line, [].concat(args));
_defineProperty(_assertThisInitialized(_this), "state", {
isAnimationFinished: true,
totalLength: 0
});
_defineProperty(_assertThisInitialized(_this), "generateSimpleStrokeDasharray", function (totalLength, length) {
return "".concat(length, "px ").concat(totalLength - length, "px");
});
_defineProperty(_assertThisInitialized(_this), "getStrokeDasharray", function (length, totalLength, lines) {
var lineLength = lines.reduce(function (pre, next) {
return pre + next;
});
// if lineLength is 0 return the default when no strokeDasharray is provided
if (!lineLength) {
return _this.generateSimpleStrokeDasharray(totalLength, length);
}
var count = Math.floor(length / lineLength);
var remainLength = length % lineLength;
var restLength = totalLength - length;
var remainLines = [];
for (var i = 0, sum = 0; i < lines.length; sum += lines[i], ++i) {
if (sum + lines[i] > remainLength) {
remainLines = [].concat(_toConsumableArray(lines.slice(0, i)), [remainLength - sum]);
break;
}
}
var emptyLines = remainLines.length % 2 === 0 ? [0, restLength] : [restLength];
return [].concat(_toConsumableArray(Line.repeat(lines, count)), _toConsumableArray(remainLines), emptyLines).map(function (line) {
return "".concat(line, "px");
}).join(', ');
});
_defineProperty(_assertThisInitialized(_this), "id", uniqueId('recharts-line-'));
_defineProperty(_assertThisInitialized(_this), "pathRef", function (node) {
_this.mainCurve = node;
});
_defineProperty(_assertThisInitialized(_this), "handleAnimationEnd", function () {
_this.setState({
isAnimationFinished: true
});
if (_this.props.onAnimationEnd) {
_this.props.onAnimationEnd();
}
});
_defineProperty(_assertThisInitialized(_this), "handleAnimationStart", function () {
_this.setState({
isAnimationFinished: false
});
if (_this.props.onAnimationStart) {
_this.props.onAnimationStart();
}
});
return _this;
}
_createClass(Line, [{
key: "componentDidMount",
value: function componentDidMount() {
if (!this.props.isAnimationActive) {
return;
}
var totalLength = this.getTotalLength();
this.setState({
totalLength: totalLength
});
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate() {
if (!this.props.isAnimationActive) {
return;
}
var totalLength = this.getTotalLength();
if (totalLength !== this.state.totalLength) {
this.setState({
totalLength: totalLength
});
}
}
}, {
key: "getTotalLength",
value: function getTotalLength() {
var curveDom = this.mainCurve;
try {
return curveDom && curveDom.getTotalLength && curveDom.getTotalLength() || 0;
} catch (err) {
return 0;
}
}
}, {
key: "renderErrorBar",
value: function renderErrorBar(needClip, clipPathId) {
if (this.props.isAnimationActive && !this.state.isAnimationFinished) {
return null;
}
var _this$props = this.props,
points = _this$props.points,
xAxis = _this$props.xAxis,
yAxis = _this$props.yAxis,
layout = _this$props.layout,
children = _this$props.children;
var errorBarItems = findAllByType(children, ErrorBar);
if (!errorBarItems) {
return null;
}
var dataPointFormatter = function dataPointFormatter(dataPoint, dataKey) {
return {
x: dataPoint.x,
y: dataPoint.y,
value: dataPoint.value,
errorVal: getValueByDataKey(dataPoint.payload, dataKey)
};
};
var errorBarProps = {
clipPath: needClip ? "url(#clipPath-".concat(clipPathId, ")") : null
};
return /*#__PURE__*/React.createElement(Layer, errorBarProps, errorBarItems.map(function (item) {
return /*#__PURE__*/React.cloneElement(item, {
key: "bar-".concat(item.props.dataKey),
data: points,
xAxis: xAxis,
yAxis: yAxis,
layout: layout,
dataPointFormatter: dataPointFormatter
});
}));
}
}, {
key: "renderDots",
value: function renderDots(needClip, clipDot, clipPathId) {
var isAnimationActive = this.props.isAnimationActive;
if (isAnimationActive && !this.state.isAnimationFinished) {
return null;
}
var _this$props2 = this.props,
dot = _this$props2.dot,
points = _this$props2.points,
dataKey = _this$props2.dataKey;
var lineProps = filterProps(this.props, false);
var customDotProps = filterProps(dot, true);
var dots = points.map(function (entry, i) {
var dotProps = _objectSpread(_objectSpread(_objectSpread({
key: "dot-".concat(i),
r: 3
}, lineProps), customDotProps), {}, {
value: entry.value,
dataKey: dataKey,
cx: entry.x,
cy: entry.y,
index: i,
payload: entry.payload
});
return Line.renderDotItem(dot, dotProps);
});
var dotsProps = {
clipPath: needClip ? "url(#clipPath-".concat(clipDot ? '' : 'dots-').concat(clipPathId, ")") : null
};
return /*#__PURE__*/React.createElement(Layer, _extends({
className: "recharts-line-dots",
key: "dots"
}, dotsProps), dots);
}
}, {
key: "renderCurveStatically",
value: function renderCurveStatically(points, needClip, clipPathId, props) {
var _this$props3 = this.props,
type = _this$props3.type,
layout = _this$props3.layout,
connectNulls = _this$props3.connectNulls,
ref = _this$props3.ref,
others = _objectWithoutProperties(_this$props3, _excluded);
var curveProps = _objectSpread(_objectSpread(_objectSpread({}, filterProps(others, true)), {}, {
fill: 'none',
className: 'recharts-line-curve',
clipPath: needClip ? "url(#clipPath-".concat(clipPathId, ")") : null,
points: points
}, props), {}, {
type: type,
layout: layout,
connectNulls: connectNulls
});
return /*#__PURE__*/React.createElement(Curve, _extends({}, curveProps, {
pathRef: this.pathRef
}));
}
}, {
key: "renderCurveWithAnimation",
value: function renderCurveWithAnimation(needClip, clipPathId) {
var _this2 = this;
var _this$props4 = this.props,
points = _this$props4.points,
strokeDasharray = _this$props4.strokeDasharray,
isAnimationActive = _this$props4.isAnimationActive,
animationBegin = _this$props4.animationBegin,
animationDuration = _this$props4.animationDuration,
animationEasing = _this$props4.animationEasing,
animationId = _this$props4.animationId,
animateNewValues = _this$props4.animateNewValues,
width = _this$props4.width,
height = _this$props4.height;
var _this$state = this.state,
prevPoints = _this$state.prevPoints,
totalLength = _this$state.totalLength;
return /*#__PURE__*/React.createElement(Animate, {
begin: animationBegin,
duration: animationDuration,
isActive: isAnimationActive,
easing: animationEasing,
from: {
t: 0
},
to: {
t: 1
},
key: "line-".concat(animationId),
onAnimationEnd: this.handleAnimationEnd,
onAnimationStart: this.handleAnimationStart
}, function (_ref) {
var t = _ref.t;
if (prevPoints) {
var prevPointsDiffFactor = prevPoints.length / points.length;
var stepData = points.map(function (entry, index) {
var prevPointIndex = Math.floor(index * prevPointsDiffFactor);
if (prevPoints[prevPointIndex]) {
var prev = prevPoints[prevPointIndex];
var interpolatorX = interpolateNumber(prev.x, entry.x);
var interpolatorY = interpolateNumber(prev.y, entry.y);
return _objectSpread(_objectSpread({}, entry), {}, {
x: interpolatorX(t),
y: interpolatorY(t)
});
}
// magic number of faking previous x and y location
if (animateNewValues) {
var _interpolatorX = interpolateNumber(width * 2, entry.x);
var _interpolatorY = interpolateNumber(height / 2, entry.y);
return _objectSpread(_objectSpread({}, entry), {}, {
x: _interpolatorX(t),
y: _interpolatorY(t)
});
}
return _objectSpread(_objectSpread({}, entry), {}, {
x: entry.x,
y: entry.y
});
});
return _this2.renderCurveStatically(stepData, needClip, clipPathId);
}
var interpolator = interpolateNumber(0, totalLength);
var curLength = interpolator(t);
var currentStrokeDasharray;
if (strokeDasharray) {
var lines = "".concat(strokeDasharray).split(/[,\s]+/gim).map(function (num) {
return parseFloat(num);
});
currentStrokeDasharray = _this2.getStrokeDasharray(curLength, totalLength, lines);
} else {
currentStrokeDasharray = _this2.generateSimpleStrokeDasharray(totalLength, curLength);
}
return _this2.renderCurveStatically(points, needClip, clipPathId, {
strokeDasharray: currentStrokeDasharray
});
});
}
}, {
key: "renderCurve",
value: function renderCurve(needClip, clipPathId) {
var _this$props5 = this.props,
points = _this$props5.points,
isAnimationActive = _this$props5.isAnimationActive;
var _this$state2 = this.state,
prevPoints = _this$state2.prevPoints,
totalLength = _this$state2.totalLength;
if (isAnimationActive && points && points.length && (!prevPoints && totalLength > 0 || !isEqual(prevPoints, points))) {
return this.renderCurveWithAnimation(needClip, clipPathId);
}
return this.renderCurveStatically(points, needClip, clipPathId);
}
}, {
key: "render",
value: function render() {
var _filterProps;
var _this$props6 = this.props,
hide = _this$props6.hide,
dot = _this$props6.dot,
points = _this$props6.points,
className = _this$props6.className,
xAxis = _this$props6.xAxis,
yAxis = _this$props6.yAxis,
top = _this$props6.top,
left = _this$props6.left,
width = _this$props6.width,
height = _this$props6.height,
isAnimationActive = _this$props6.isAnimationActive,
id = _this$props6.id;
if (hide || !points || !points.length) {
return null;
}
var isAnimationFinished = this.state.isAnimationFinished;
var hasSinglePoint = points.length === 1;
var layerClass = clsx('recharts-line', className);
var needClipX = xAxis && xAxis.allowDataOverflow;
var needClipY = yAxis && yAxis.allowDataOverflow;
var needClip = needClipX || needClipY;
var clipPathId = isNil(id) ? this.id : id;
var _ref2 = (_filterProps = filterProps(dot, false)) !== null && _filterProps !== void 0 ? _filterProps : {
r: 3,
strokeWidth: 2
},
_ref2$r = _ref2.r,
r = _ref2$r === void 0 ? 3 : _ref2$r,
_ref2$strokeWidth = _ref2.strokeWidth,
strokeWidth = _ref2$strokeWidth === void 0 ? 2 : _ref2$strokeWidth;
var _ref3 = isDotProps(dot) ? dot : {},
_ref3$clipDot = _ref3.clipDot,
clipDot = _ref3$clipDot === void 0 ? true : _ref3$clipDot;
var dotSize = r * 2 + strokeWidth;
return /*#__PURE__*/React.createElement(Layer, {
className: layerClass
}, needClipX || needClipY ? /*#__PURE__*/React.createElement("defs", null, /*#__PURE__*/React.createElement("clipPath", {
id: "clipPath-".concat(clipPathId)
}, /*#__PURE__*/React.createElement("rect", {
x: needClipX ? left : left - width / 2,
y: needClipY ? top : top - height / 2,
width: needClipX ? width : width * 2,
height: needClipY ? height : height * 2
})), !clipDot && /*#__PURE__*/React.createElement("clipPath", {
id: "clipPath-dots-".concat(clipPathId)
}, /*#__PURE__*/React.createElement("rect", {
x: left - dotSize / 2,
y: top - dotSize / 2,
width: width + dotSize,
height: height + dotSize
}))) : null, !hasSinglePoint && this.renderCurve(needClip, clipPathId), this.renderErrorBar(needClip, clipPathId), (hasSinglePoint || dot) && this.renderDots(needClip, clipDot, clipPathId), (!isAnimationActive || isAnimationFinished) && LabelList.renderCallByParent(this.props, points));
}
}], [{
key: "getDerivedStateFromProps",
value: function getDerivedStateFromProps(nextProps, prevState) {
if (nextProps.animationId !== prevState.prevAnimationId) {
return {
prevAnimationId: nextProps.animationId,
curPoints: nextProps.points,
prevPoints: prevState.curPoints
};
}
if (nextProps.points !== prevState.curPoints) {
return {
curPoints: nextProps.points
};
}
return null;
}
}, {
key: "repeat",
value: function repeat(lines, count) {
var linesUnit = lines.length % 2 !== 0 ? [].concat(_toConsumableArray(lines), [0]) : lines;
var result = [];
for (var i = 0; i < count; ++i) {
result = [].concat(_toConsumableArray(result), _toConsumableArray(linesUnit));
}
return result;
}
}, {
key: "renderDotItem",
value: function renderDotItem(option, props) {
var dotItem;
if ( /*#__PURE__*/React.isValidElement(option)) {
dotItem = /*#__PURE__*/React.cloneElement(option, props);
} else if (isFunction(option)) {
dotItem = option(props);
} else {
var className = clsx('recharts-line-dot', option ? option.className : '');
dotItem = /*#__PURE__*/React.createElement(Dot, _extends({}, props, {
className: className
}));
}
return dotItem;
}
}]);
return Line;
}(PureComponent);
_defineProperty(Line, "displayName", 'Line');
_defineProperty(Line, "defaultProps", {
xAxisId: 0,
yAxisId: 0,
connectNulls: false,
activeDot: true,
dot: true,
legendType: 'line',
stroke: '#3182bd',
strokeWidth: 1,
fill: '#fff',
points: [],
isAnimationActive: !Global.isSsr,
animateNewValues: true,
animationBegin: 0,
animationDuration: 1500,
animationEasing: 'ease',
hide: false,
label: false
});
/**
* Compose the data of each group
* @param {Object} props The props from the component
* @param {Object} xAxis The configuration of x-axis
* @param {Object} yAxis The configuration of y-axis
* @param {String} dataKey The unique key of a group
* @return {Array} Composed data
*/
_defineProperty(Line, "getComposedData", function (_ref4) {
var props = _ref4.props,
xAxis = _ref4.xAxis,
yAxis = _ref4.yAxis,
xAxisTicks = _ref4.xAxisTicks,
yAxisTicks = _ref4.yAxisTicks,
dataKey = _ref4.dataKey,
bandSize = _ref4.bandSize,
displayedData = _ref4.displayedData,
offset = _ref4.offset;
var layout = props.layout;
var points = displayedData.map(function (entry, index) {
var value = getValueByDataKey(entry, dataKey);
if (layout === 'horizontal') {
return {
x: getCateCoordinateOfLine({
axis: xAxis,
ticks: xAxisTicks,
bandSize: bandSize,
entry: entry,
index: index
}),
y: isNil(value) ? null : yAxis.scale(value),
value: value,
payload: entry
};
}
return {
x: isNil(value) ? null : xAxis.scale(value),
y: getCateCoordinateOfLine({
axis: yAxis,
ticks: yAxisTicks,
bandSize: bandSize,
entry: entry,
index: index
}),
value: value,
payload: entry
};
});
return _objectSpread({
points: points,
layout: layout
}, offset);
});