victory-pie/es/slice.js

Pie Component for Victory

import React from "react";
import { Helpers, Path } from "victory-core";
import defaults from "lodash/defaults";
import * as d3Shape from "victory-vendor/d3-shape";
const getPath = props => {
  const {
    slice,
    radius,
    innerRadius,
    cornerRadius
  } = props;
  if (Helpers.isFunction(props.pathFunction)) {
    return props.pathFunction(slice);
  }
  const padAngle = Helpers.degreesToRadians(props.padAngle);
  const startAngle = Helpers.degreesToRadians(props.sliceStartAngle);
  const endAngle = Helpers.degreesToRadians(props.sliceEndAngle);
  const pathFunction = d3Shape.arc().cornerRadius(cornerRadius).outerRadius(radius).innerRadius(innerRadius || 0);
  return pathFunction(defaults({
    startAngle,
    endAngle,
    padAngle
  }, slice));
};
const evaluateProps = props => {
  /**
   * * Potential evaluated props of following must be evaluated in this order:
   * 1) `style`
   * 2) `radius`
   * 3) `innerRadius`
   *
   * Everything else does not have to be evaluated in a particular order:
   * `ariaLabel`
   * `id`
   * `cornerRadius`
   * `padAngle`
   * `sliceStartAngle`
   * `sliceEndAngle`
   * `tabIndex`
   */
  const style = Helpers.evaluateStyle(props.style, props);
  const radius = Helpers.evaluateProp(props.radius, Object.assign({}, props, {
    style
  }));
  const innerRadius = Helpers.evaluateProp(props.innerRadius, Object.assign({}, props, {
    style,
    radius
  }));
  const ariaLabel = Helpers.evaluateProp(props.ariaLabel, props);
  const id = Helpers.evaluateProp(props.id, props);
  const cornerRadius = Helpers.evaluateProp(props.cornerRadius, props);
  const padAngle = Helpers.evaluateProp(props.padAngle, props);
  const sliceStartAngle = Helpers.evaluateProp(props.sliceStartAngle, props);
  const sliceEndAngle = Helpers.evaluateProp(props.sliceEndAngle, props);
  const tabIndex = Helpers.evaluateProp(props.tabIndex, props);
  return Object.assign({}, props, {
    ariaLabel,
    style,
    radius,
    innerRadius,
    id,
    cornerRadius,
    padAngle,
    sliceStartAngle,
    sliceEndAngle,
    tabIndex
  });
};
const defaultProps = {
  pathComponent: /*#__PURE__*/React.createElement(Path, null),
  role: "presentation",
  shapeRendering: "auto"
};
export const Slice = initialProps => {
  const props = evaluateProps(defaults({}, initialProps, defaultProps));
  const defaultTransform = props.origin ? `translate(${props.origin.x}, ${props.origin.y})` : undefined;
  return /*#__PURE__*/React.cloneElement(props.pathComponent, {
    ...props.events,
    "aria-label": props.ariaLabel,
    d: getPath(props),
    style: props.style,
    transform: props.transform || defaultTransform,
    className: props.className,
    role: props.role,
    shapeRendering: props.shapeRendering,
    clipPath: props.clipPath,
    tabIndex: props.tabIndex
  });
};