var _excluded = ["id"],
_excluded2 = ["type", "layout", "connectNulls", "needClip", "shape", "strokeDasharray"],
_excluded3 = ["activeDot", "animateNewValues", "animationBegin", "animationDuration", "animationEasing", "connectNulls", "dot", "hide", "isAnimationActive", "label", "legendType", "xAxisId", "yAxisId", "id"];
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; }
function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; }
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 _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
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); }
import * as React from 'react';
import { Component, useCallback, useMemo, useRef } from 'react';
import { clsx } from 'clsx';
import { Layer } from '../container/Layer';
import { LineDrawShape } from './LineDrawShape';
import { useAnimatedLineLength } from './useAnimatedLineLength';
import { CartesianLabelListContextProvider, LabelListFromLabelProp } from '../component/LabelList';
import { Dots } from '../component/Dots';
import { interpolate, isNullish, noop } from '../util/DataUtils';
import { isClipDot } from '../util/ReactUtils';
import { getCateCoordinateOfLine, getTooltipNameProp, getValueByDataKey } from '../util/ChartUtils';
import { ActivePoints } from '../component/ActivePoints';
import { SetTooltipEntrySettings } from '../state/SetTooltipEntrySettings';
import { SetErrorBarContext } from '../context/ErrorBarContext';
import { GraphicalItemClipPath, useNeedsClip } from './GraphicalItemClipPath';
import { useChartLayout } from '../context/chartLayoutContext';
import { useIsPanorama } from '../context/PanoramaContext';
import { selectLinePoints } from '../state/selectors/lineSelectors';
import { useAppSelector } from '../state/hooks';
import { SetLegendPayload } from '../state/SetLegendPayload';
import { AnimatedItems, useAnimationCallbacks } from '../animation/AnimatedItems';
import { matchByIndex } from '../animation/matchBy';
import { resolveDefaultProps } from '../util/resolveDefaultProps';
import { usePlotArea } from '../hooks';
import { RegisterGraphicalItemId } from '../context/RegisterGraphicalItemId';
import { SetCartesianGraphicalItem } from '../state/SetGraphicalItem';
import { svgPropertiesNoEvents } from '../util/svgPropertiesNoEvents';
import { svgPropertiesAndEvents } from '../util/svgPropertiesAndEvents';
import { getRadiusAndStrokeWidthFromDot } from '../util/getRadiusAndStrokeWidthFromDot';
import { Shape } from '../util/ActiveShapeUtils';
import { ZIndexLayer } from '../zIndex/ZIndexLayer';
import { DefaultZIndexes } from '../zIndex/DefaultZIndexes';
import { propsAreEqual } from '../util/propsAreEqual';
/**
* Internal props, combination of external props + defaultProps + private Recharts state
*/
/**
* External props, intended for end users to fill in
*/
function getTotalLength(mainCurve) {
try {
return mainCurve && mainCurve.getTotalLength && mainCurve.getTotalLength() || 0;
} catch (_unused) {
return 0;
}
}
/**
* Compute the average x-shift between matched pairs (prev → next).
* This tells us the overall direction and magnitude of the data movement.
*/
function averageShift(items) {
var total = 0;
var count = 0;
for (var item of items) {
if (item.status === 'matched' && item.prev.x != null && item.next.x != null) {
total += item.next.x - item.prev.x;
count++;
}
}
return count > 0 ? total / count : 0;
}
var defaultLineAnimateItems = (items, animationElapsedTime) => {
if (items == null) {
// First render: return empty, stroke-dasharray handles the reveal
return [];
}
// At animationElapsedTime=1 return only the non-removed items
if (animationElapsedTime === 1) return items.flatMap(item => item.status === 'removed' ? [] : [item.next]);
var shift = averageShift(items);
var result = [];
for (var item of items) {
if (item.status === 'matched') {
result.push(_objectSpread(_objectSpread({}, item.next), {}, {
x: interpolate(item.prev.x, item.next.x, animationElapsedTime),
y: interpolate(item.prev.y, item.next.y, animationElapsedTime)
}));
} else if (item.status === 'added') {
if (item.next.x != null) {
// Extrapolate entry position: the point starts where it "would have been"
var entryX = item.next.x - shift;
result.push(_objectSpread(_objectSpread({}, item.next), {}, {
x: interpolate(entryX, item.next.x, animationElapsedTime),
y: item.next.y
}));
} else {
result.push(item.next);
}
} else if (item.status === 'removed') {
if (item.prev.x != null) {
var exitX = item.prev.x + shift;
result.push(_objectSpread(_objectSpread({}, item.prev), {}, {
x: interpolate(item.prev.x, exitX, animationElapsedTime),
y: item.prev.y
}));
}
// else: removed items are simply dropped
}
}
return result;
};
export var defaultLineProps = {
activeDot: true,
animateNewValues: true,
animationBegin: 0,
animationDuration: 1500,
animationEasing: 'ease',
animationInterpolateFn: defaultLineAnimateItems,
animationMatchBy: matchByIndex,
connectNulls: false,
dot: true,
fill: '#fff',
hide: false,
isAnimationActive: 'auto',
label: false,
legendType: 'line',
shape: LineDrawShape,
stroke: '#3182bd',
strokeWidth: 1,
xAxisId: 0,
yAxisId: 0,
zIndex: DefaultZIndexes.line,
type: 'linear'
};
/**
* Because of naming conflict, we are forced to ignore certain (valid) SVG attributes.
*/
var computeLegendPayloadFromAreaData = props => {
var dataKey = props.dataKey,
name = props.name,
stroke = props.stroke,
legendType = props.legendType,
hide = props.hide;
return [{
inactive: hide,
dataKey,
type: legendType,
color: stroke,
value: getTooltipNameProp(name, dataKey),
payload: props
}];
};
var SetLineTooltipEntrySettings = /*#__PURE__*/React.memo(_ref => {
var dataKey = _ref.dataKey,
data = _ref.data,
stroke = _ref.stroke,
strokeWidth = _ref.strokeWidth,
fill = _ref.fill,
name = _ref.name,
hide = _ref.hide,
unit = _ref.unit,
tooltipType = _ref.tooltipType,
id = _ref.id;
var tooltipEntrySettings = {
dataDefinedOnItem: data,
getPosition: noop,
settings: {
stroke,
strokeWidth,
fill,
dataKey,
nameKey: undefined,
name: getTooltipNameProp(name, dataKey),
hide,
type: tooltipType,
color: stroke,
unit,
graphicalItemId: id
}
};
return /*#__PURE__*/React.createElement(SetTooltipEntrySettings, {
tooltipEntrySettings: tooltipEntrySettings
});
});
function LineDotsWrapper(_ref2) {
var clipPathId = _ref2.clipPathId,
points = _ref2.points,
props = _ref2.props;
var dot = props.dot,
dataKey = props.dataKey,
needClip = props.needClip;
/*
* Exclude ID from the props passed to the Dots component
* because then the ID would be applied to multiple dots, and it would no longer be unique.
*/
var id = props.id,
propsWithoutId = _objectWithoutProperties(props, _excluded);
var lineProps = svgPropertiesNoEvents(propsWithoutId);
return /*#__PURE__*/React.createElement(Dots, {
points: points,
dot: dot,
className: "recharts-line-dots",
dotClassName: "recharts-line-dot",
dataKey: dataKey,
baseProps: lineProps,
needClip: needClip,
clipPathId: clipPathId
});
}
function LineLabelListProvider(_ref3) {
var showLabels = _ref3.showLabels,
children = _ref3.children,
points = _ref3.points;
var labelListEntries = useMemo(() => {
return points === null || points === void 0 ? void 0 : points.map(point => {
var _point$x, _point$y;
var viewBox = {
x: (_point$x = point.x) !== null && _point$x !== void 0 ? _point$x : 0,
y: (_point$y = point.y) !== null && _point$y !== void 0 ? _point$y : 0,
width: 0,
lowerWidth: 0,
upperWidth: 0,
height: 0
};
return _objectSpread(_objectSpread({}, viewBox), {}, {
value: point.value,
payload: point.payload,
viewBox,
/*
* Line is not passing parentViewBox to the LabelList so the labels can escape - looks like a bug, should we pass parentViewBox?
* Or should this just be the root chart viewBox?
*/
parentViewBox: undefined,
fill: undefined
});
});
}, [points]);
return /*#__PURE__*/React.createElement(CartesianLabelListContextProvider, {
value: showLabels ? labelListEntries : undefined
}, children);
}
function StaticCurve(_ref4) {
var clipPathId = _ref4.clipPathId,
pathRef = _ref4.pathRef,
points = _ref4.points,
props = _ref4.props,
animationElapsedTime = _ref4.animationElapsedTime,
isAnimating = _ref4.isAnimating,
isEntrance = _ref4.isEntrance,
visibleLength = _ref4.visibleLength;
var type = props.type,
layout = props.layout,
connectNulls = props.connectNulls,
needClip = props.needClip,
shape = props.shape,
strokeDasharray = props.strokeDasharray,
others = _objectWithoutProperties(props, _excluded2);
var curveProps = _objectSpread(_objectSpread({}, svgPropertiesAndEvents(others)), {}, {
fill: 'none',
className: 'recharts-line-curve',
clipPath: needClip ? "url(#clipPath-".concat(clipPathId, ")") : undefined,
points,
type,
layout,
connectNulls,
strokeDasharray: strokeDasharray !== null && strokeDasharray !== void 0 ? strokeDasharray : props.strokeDasharray,
pathRef,
animationElapsedTime,
isAnimating,
isEntrance: props.animateNewValues ? isEntrance : false,
visibleLength
});
return /*#__PURE__*/React.createElement(React.Fragment, null, (points === null || points === void 0 ? void 0 : points.length) > 1 && /*#__PURE__*/React.createElement(Shape, {
option: shape,
DefaultShape: defaultLineProps.shape,
shapeProps: curveProps
}), /*#__PURE__*/React.createElement(LineDotsWrapper, {
points: points,
clipPathId: clipPathId,
props: props
}));
}
function CurveWithAnimation(_ref5) {
var clipPathId = _ref5.clipPathId,
props = _ref5.props,
pathRef = _ref5.pathRef,
previousPointsRef = _ref5.previousPointsRef;
var points = props.points,
isAnimationActive = props.isAnimationActive,
animationBegin = props.animationBegin,
animationDuration = props.animationDuration,
animationEasing = props.animationEasing,
animationMatchBy = props.animationMatchBy,
animationInterpolateFn = props.animationInterpolateFn,
layout = props.layout;
var totalLength = getTotalLength(pathRef.current);
var _useAnimationCallback = useAnimationCallbacks(props.onAnimationStart, props.onAnimationEnd),
isAnimating = _useAnimationCallback.isAnimating,
handleAnimationStart = _useAnimationCallback.handleAnimationStart,
handleAnimationEnd = _useAnimationCallback.handleAnimationEnd;
var showLabels = !isAnimating;
var getVisibleLength = useAnimatedLineLength(points);
// Guard for totalLength: don't update previousPointsRef before SVG path is measured
var shouldUpdatePreviousRef = useCallback(animationElapsedTime => animationElapsedTime > 0 && totalLength > 0, [totalLength]);
return /*#__PURE__*/React.createElement(LineLabelListProvider, {
points: points,
showLabels: showLabels
}, props.children, /*#__PURE__*/React.createElement(AnimatedItems, {
animationInput: points,
animationIdPrefix: "recharts-line-",
items: points,
previousItemsRef: previousPointsRef,
isAnimationActive: isAnimationActive,
animationBegin: animationBegin,
animationDuration: animationDuration,
animationEasing: animationEasing,
onAnimationStart: handleAnimationStart,
onAnimationEnd: handleAnimationEnd,
animationInterpolateFn: animationInterpolateFn,
animationMatchBy: animationMatchBy,
shouldUpdatePreviousRef: shouldUpdatePreviousRef,
layout: layout
}, (stepData, animationElapsedTime, isEntrance) => {
var animationActive = isAnimating || animationElapsedTime < 1;
var visibleLength = animationActive ? getVisibleLength(animationElapsedTime, totalLength) : null;
return /*#__PURE__*/React.createElement(StaticCurve, {
props: props,
points: stepData,
clipPathId: clipPathId,
pathRef: pathRef,
animationElapsedTime: animationElapsedTime,
isAnimating: animationActive,
isEntrance: isEntrance,
visibleLength: visibleLength
});
}), /*#__PURE__*/React.createElement(LabelListFromLabelProp, {
label: props.label
}));
}
function RenderCurve(_ref6) {
var clipPathId = _ref6.clipPathId,
props = _ref6.props;
var previousPointsRef = useRef(null);
var pathRef = useRef(null);
return /*#__PURE__*/React.createElement(CurveWithAnimation, {
props: props,
clipPathId: clipPathId,
previousPointsRef: previousPointsRef,
pathRef: pathRef
});
}
var errorBarDataPointFormatter = (dataPoint, dataKey) => {
var _dataPoint$x, _dataPoint$y;
return {
x: (_dataPoint$x = dataPoint.x) !== null && _dataPoint$x !== void 0 ? _dataPoint$x : undefined,
y: (_dataPoint$y = dataPoint.y) !== null && _dataPoint$y !== void 0 ? _dataPoint$y : undefined,
value: dataPoint.value,
// getValueByDataKey does not validate the output type
errorVal: getValueByDataKey(dataPoint.payload, dataKey)
};
};
// eslint-disable-next-line react/prefer-stateless-function
class LineWithState extends Component {
render() {
var _this$props = this.props,
hide = _this$props.hide,
dot = _this$props.dot,
points = _this$props.points,
className = _this$props.className,
xAxisId = _this$props.xAxisId,
yAxisId = _this$props.yAxisId,
top = _this$props.top,
left = _this$props.left,
width = _this$props.width,
height = _this$props.height,
id = _this$props.id,
needClip = _this$props.needClip,
zIndex = _this$props.zIndex;
if (hide) {
return null;
}
var layerClass = clsx('recharts-line', className);
var clipPathId = id;
var _getRadiusAndStrokeWi = getRadiusAndStrokeWidthFromDot(dot),
r = _getRadiusAndStrokeWi.r,
strokeWidth = _getRadiusAndStrokeWi.strokeWidth;
var clipDot = isClipDot(dot);
var dotSize = r * 2 + strokeWidth;
var activePointsClipPath = needClip ? "url(#clipPath-".concat(clipDot ? '' : 'dots-').concat(clipPathId, ")") : undefined;
return /*#__PURE__*/React.createElement(ZIndexLayer, {
zIndex: zIndex
}, /*#__PURE__*/React.createElement(Layer, {
className: layerClass
}, needClip && /*#__PURE__*/React.createElement("defs", null, /*#__PURE__*/React.createElement(GraphicalItemClipPath, {
clipPathId: clipPathId,
xAxisId: xAxisId,
yAxisId: yAxisId
}), !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
}))), /*#__PURE__*/React.createElement(SetErrorBarContext, {
xAxisId: xAxisId,
yAxisId: yAxisId,
data: points,
dataPointFormatter: errorBarDataPointFormatter,
errorBarOffset: 0
}, /*#__PURE__*/React.createElement(RenderCurve, {
props: this.props,
clipPathId: clipPathId
}))), /*#__PURE__*/React.createElement(ActivePoints, {
activeDot: this.props.activeDot,
points: points,
mainColor: this.props.stroke,
itemDataKey: this.props.dataKey,
clipPath: activePointsClipPath
}));
}
}
function LineImpl(props) {
var _resolveDefaultProps = resolveDefaultProps(props, defaultLineProps),
activeDot = _resolveDefaultProps.activeDot,
animateNewValues = _resolveDefaultProps.animateNewValues,
animationBegin = _resolveDefaultProps.animationBegin,
animationDuration = _resolveDefaultProps.animationDuration,
animationEasing = _resolveDefaultProps.animationEasing,
connectNulls = _resolveDefaultProps.connectNulls,
dot = _resolveDefaultProps.dot,
hide = _resolveDefaultProps.hide,
isAnimationActive = _resolveDefaultProps.isAnimationActive,
label = _resolveDefaultProps.label,
legendType = _resolveDefaultProps.legendType,
xAxisId = _resolveDefaultProps.xAxisId,
yAxisId = _resolveDefaultProps.yAxisId,
id = _resolveDefaultProps.id,
everythingElse = _objectWithoutProperties(_resolveDefaultProps, _excluded3);
var _useNeedsClip = useNeedsClip(xAxisId, yAxisId),
needClip = _useNeedsClip.needClip;
var plotArea = usePlotArea();
var layout = useChartLayout();
var isPanorama = useIsPanorama();
var points = useAppSelector(state => selectLinePoints(state, xAxisId, yAxisId, isPanorama, id));
if (layout !== 'horizontal' && layout !== 'vertical' || points == null || plotArea == null) {
// Cannot render Line in an unsupported layout
return null;
}
var height = plotArea.height,
width = plotArea.width,
left = plotArea.x,
top = plotArea.y;
return /*#__PURE__*/React.createElement(LineWithState, _extends({}, everythingElse, {
id: id,
connectNulls: connectNulls,
dot: dot,
activeDot: activeDot,
animateNewValues: animateNewValues,
animationBegin: animationBegin,
animationDuration: animationDuration,
animationEasing: animationEasing,
isAnimationActive: isAnimationActive,
hide: hide,
label: label,
legendType: legendType,
xAxisId: xAxisId,
yAxisId: yAxisId,
points: points,
layout: layout,
height: height,
width: width,
left: left,
top: top,
needClip: needClip
}));
}
export function computeLinePoints(_ref7) {
var layout = _ref7.layout,
xAxis = _ref7.xAxis,
yAxis = _ref7.yAxis,
xAxisTicks = _ref7.xAxisTicks,
yAxisTicks = _ref7.yAxisTicks,
dataKey = _ref7.dataKey,
bandSize = _ref7.bandSize,
displayedData = _ref7.displayedData;
return displayedData.map((entry, index) => {
// getValueByDataKey does not validate the output type
var value = getValueByDataKey(entry, dataKey);
if (layout === 'horizontal') {
var _x = getCateCoordinateOfLine({
axis: xAxis,
ticks: xAxisTicks,
bandSize,
entry,
index
});
var _y = isNullish(value) ? null : yAxis.scale.map(value);
return {
x: _x,
y: _y !== null && _y !== void 0 ? _y : null,
value,
payload: entry
};
}
var x = isNullish(value) ? null : xAxis.scale.map(value);
var y = getCateCoordinateOfLine({
axis: yAxis,
ticks: yAxisTicks,
bandSize,
entry,
index
});
if (x == null || y == null) {
return null;
}
return {
x,
y,
value,
payload: entry
};
}).filter(Boolean);
}
function LineFn(outsideProps) {
var props = resolveDefaultProps(outsideProps, defaultLineProps);
var isPanorama = useIsPanorama();
return /*#__PURE__*/React.createElement(RegisterGraphicalItemId, {
id: props.id,
type: "line"
}, id => /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(SetLegendPayload, {
legendPayload: computeLegendPayloadFromAreaData(props)
}), /*#__PURE__*/React.createElement(SetLineTooltipEntrySettings, {
dataKey: props.dataKey,
data: props.data,
stroke: props.stroke,
strokeWidth: props.strokeWidth,
fill: props.fill,
name: props.name,
hide: props.hide,
unit: props.unit,
tooltipType: props.tooltipType,
id: id
}), /*#__PURE__*/React.createElement(SetCartesianGraphicalItem, {
type: "line",
id: id,
data: props.data,
xAxisId: props.xAxisId,
yAxisId: props.yAxisId,
zAxisId: 0,
dataKey: props.dataKey,
hide: props.hide,
isPanorama: isPanorama
}), /*#__PURE__*/React.createElement(LineImpl, _extends({}, props, {
id: id
}))));
}
/**
* @provides LabelListContext
* @provides ErrorBarContext
* @consumes CartesianChartContext
*/
export var Line = /*#__PURE__*/React.memo(LineFn, propsAreEqual);
// @ts-expect-error we need to set the displayName for debugging purposes
Line.displayName = 'Line';