source: node_modules/recharts/es6/cartesian/ReferenceLine.js

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/**
 * @fileOverview Reference Line
 */
import * as React from 'react';
import { useEffect } from 'react';
import { clsx } from 'clsx';
import { Layer } from '../container/Layer';
import { CartesianLabelContextProvider, CartesianLabelFromLabelProp } from '../component/Label';
import { isNumOrStr } from '../util/DataUtils';
import { rectWithCoords } from '../util/CartesianUtils';
import { useViewBox } from '../context/chartLayoutContext';
import { addLine, removeLine } from '../state/referenceElementsSlice';
import { useAppDispatch, useAppSelector } from '../state/hooks';
import { selectAxisScale, selectXAxisSettings, selectYAxisSettings } from '../state/selectors/axisSelectors';
import { useIsPanorama } from '../context/PanoramaContext';
import { useClipPathId } from '../container/ClipPathProvider';
import { svgPropertiesAndEvents } from '../util/svgPropertiesAndEvents';
import { resolveDefaultProps } from '../util/resolveDefaultProps';
import { ZIndexLayer } from '../zIndex/ZIndexLayer';
import { DefaultZIndexes } from '../zIndex/DefaultZIndexes';
import { isWellBehavedNumber } from '../util/isWellBehavedNumber';
import { CartesianScaleHelperImpl } from '../util/scale/CartesianScaleHelper';

/**
 * Single point that defines one end of a segment.
 * These coordinates are in data space, meaning that you should provide
 * values that correspond to the data domain of the axes.
 * So you would provide a value of `Page A` to indicate the data value `Page A`
 * and then recharts will convert that to pixels.
 *
 * Likewise for numbers. If your x-axis goes from 0 to 100,
 * and you want the line to end at 50, you would provide `50` here.
 *
 * @inline
 */

/**
 * This excludes `viewBox` prop from svg for two reasons:
 * 1. The components wants viewBox of object type, and svg wants string
 *    - so there's a conflict, and the component will throw if it gets string
 * 2. Internally the component calls `svgPropertiesNoEvents` which filters the viewBox away anyway
 */

var renderLine = (option, props) => {
  var line;
  if (/*#__PURE__*/React.isValidElement(option)) {
    // @ts-expect-error element cloning is not typed
    line = /*#__PURE__*/React.cloneElement(option, props);
  } else if (typeof option === 'function') {
    line = option(props);
  } else {
    if (!isWellBehavedNumber(props.x1) || !isWellBehavedNumber(props.y1) || !isWellBehavedNumber(props.x2) || !isWellBehavedNumber(props.y2)) {
      return null;
    }
    line = /*#__PURE__*/React.createElement("line", _extends({}, props, {
      className: "recharts-reference-line-line"
    }));
  }
  return line;
};
var getHorizontalLineEndPoints = (yCoord, ifOverflow, position, yAxisOrientation, yAxisScale, viewBox) => {
  var {
    x,
    width
  } = viewBox;
  var coord = yAxisScale.map(yCoord, {
    position
  });
  // don't render the line if the scale can't compute a result that makes sense
  if (!isWellBehavedNumber(coord)) {
    return null;
  }
  if (ifOverflow === 'discard' && !yAxisScale.isInRange(coord)) {
    return null;
  }
  var points = [{
    x: x + width,
    y: coord
  }, {
    x,
    y: coord
  }];
  return yAxisOrientation === 'left' ? points.reverse() : points;
};
var getVerticalLineEndPoints = (xCoord, ifOverflow, position, xAxisOrientation, xAxisScale, viewBox) => {
  var {
    y,
    height
  } = viewBox;
  var coord = xAxisScale.map(xCoord, {
    position
  });
  // don't render the line if the scale can't compute a result that makes sense
  if (!isWellBehavedNumber(coord)) {
    return null;
  }
  if (ifOverflow === 'discard' && !xAxisScale.isInRange(coord)) {
    return null;
  }
  var points = [{
    x: coord,
    y: y + height
  }, {
    x: coord,
    y
  }];
  return xAxisOrientation === 'top' ? points.reverse() : points;
};
var getSegmentLineEndPoints = (segment, ifOverflow, position, scales) => {
  var points = [scales.mapWithFallback(segment[0], {
    position,
    fallback: 'rangeMin'
  }), scales.mapWithFallback(segment[1], {
    position,
    fallback: 'rangeMax'
  })];
  if (ifOverflow === 'discard' && points.some(p => !scales.isInRange(p))) {
    return null;
  }
  return points;
};
export var getEndPoints = (xAxisScale, yAxisScale, viewBox, position, xAxisOrientation, yAxisOrientation, props) => {
  var {
    x: xCoord,
    y: yCoord,
    segment,
    ifOverflow
  } = props;
  var isFixedX = isNumOrStr(xCoord);
  var isFixedY = isNumOrStr(yCoord);
  if (isFixedY) {
    return getHorizontalLineEndPoints(yCoord, ifOverflow, position, yAxisOrientation, yAxisScale, viewBox);
  }
  if (isFixedX) {
    return getVerticalLineEndPoints(xCoord, ifOverflow, position, xAxisOrientation, xAxisScale, viewBox);
  }
  if (segment != null && segment.length === 2) {
    return getSegmentLineEndPoints(segment, ifOverflow, position, new CartesianScaleHelperImpl({
      x: xAxisScale,
      y: yAxisScale
    }));
  }
  return null;
};
function ReportReferenceLine(props) {
  var dispatch = useAppDispatch();
  useEffect(() => {
    dispatch(addLine(props));
    return () => {
      dispatch(removeLine(props));
    };
  });
  return null;
}
function ReferenceLineImpl(props) {
  var {
    xAxisId,
    yAxisId,
    shape,
    className,
    ifOverflow
  } = props;
  var isPanorama = useIsPanorama();
  var clipPathId = useClipPathId();
  var xAxis = useAppSelector(state => selectXAxisSettings(state, xAxisId));
  var yAxis = useAppSelector(state => selectYAxisSettings(state, yAxisId));
  var xAxisScale = useAppSelector(state => selectAxisScale(state, 'xAxis', xAxisId, isPanorama));
  var yAxisScale = useAppSelector(state => selectAxisScale(state, 'yAxis', yAxisId, isPanorama));
  var viewBox = useViewBox();
  if (!clipPathId || !viewBox || xAxis == null || yAxis == null || xAxisScale == null || yAxisScale == null) {
    return null;
  }
  var endPoints = getEndPoints(xAxisScale, yAxisScale, viewBox, props.position, xAxis.orientation, yAxis.orientation, props);
  if (!endPoints) {
    return null;
  }
  var point1 = endPoints[0];
  var point2 = endPoints[1];
  if (point1 == null || point2 == null) {
    return null;
  }
  var {
    x: x1,
    y: y1
  } = point1;
  var {
    x: x2,
    y: y2
  } = point2;
  var clipPath = ifOverflow === 'hidden' ? "url(#".concat(clipPathId, ")") : undefined;
  var lineProps = _objectSpread(_objectSpread({
    clipPath
  }, svgPropertiesAndEvents(props)), {}, {
    x1,
    y1,
    x2,
    y2
  });
  var rect = rectWithCoords({
    x1,
    y1,
    x2,
    y2
  });
  return /*#__PURE__*/React.createElement(ZIndexLayer, {
    zIndex: props.zIndex
  }, /*#__PURE__*/React.createElement(Layer, {
    className: clsx('recharts-reference-line', className)
  }, renderLine(shape, lineProps), /*#__PURE__*/React.createElement(CartesianLabelContextProvider, _extends({}, rect, {
    lowerWidth: rect.width,
    upperWidth: rect.width
  }), /*#__PURE__*/React.createElement(CartesianLabelFromLabelProp, {
    label: props.label
  }), props.children)));
}
export var referenceLineDefaultProps = {
  ifOverflow: 'discard',
  xAxisId: 0,
  yAxisId: 0,
  fill: 'none',
  label: false,
  stroke: '#ccc',
  fillOpacity: 1,
  strokeWidth: 1,
  position: 'middle',
  zIndex: DefaultZIndexes.line
};
/**
 * Draws a line on the chart connecting two points.
 *
 * This component, unlike {@link https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Element/line line}, is aware of the cartesian coordinate system,
 * so you specify the dimensions by using data coordinates instead of pixels.
 *
 * ReferenceLine will calculate the pixels based on the provided data coordinates.
 *
 * If you prefer to render using pixels rather than data coordinates,
 * consider using the {@link https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Element/line line SVG element} instead.
 *
 * @provides CartesianLabelContext
 * @consumes CartesianChartContext
 */
export function ReferenceLine(outsideProps) {
  var props = resolveDefaultProps(outsideProps, referenceLineDefaultProps);
  return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(ReportReferenceLine, {
    yAxisId: props.yAxisId,
    xAxisId: props.xAxisId,
    ifOverflow: props.ifOverflow,
    x: props.x,
    y: props.y,
    segment: props.segment
  }), /*#__PURE__*/React.createElement(ReferenceLineImpl, props));
}
ReferenceLine.displayName = 'ReferenceLine';