react-native-wagmi-charts/lib/module/charts/line/Chart.js

A sweet candlestick chart for React Native

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)
  );
}
import React from 'react';
import * as d3Shape from 'd3-shape';
import { Dimensions, StyleSheet, View } from 'react-native';
import { LineChartIdProvider, useLineChartData } from './Data';
import { parse } from 'react-native-redash';
import { getArea, getPath } from './utils';
import { LineChartContext } from './Context';
export const LineChartDimensionsContext = /*#__PURE__*/ React.createContext({
  width: 0,
  height: 0,
  pointWidth: 0,
  parsedPath: {},
  path: '',
  area: '',
  shape: d3Shape.curveBumpX,
  gutter: 0,
  pathWidth: 0,
});
const { width: screenWidth } = Dimensions.get('window');
LineChart.displayName = 'LineChart';
export function LineChart({
  children,
  yGutter = 16,
  width = screenWidth,
  height = screenWidth,
  shape = d3Shape.curveBumpX,
  id,
  absolute,
  ...props
}) {
  const { yDomain, xLength, xDomain } = React.useContext(LineChartContext);
  const { data } = useLineChartData({
    id,
  });

  // Reserve space at the bottom for x-axis cursor labels
  const X_AXIS_LABEL_RESERVED_HEIGHT = 40;
  const chartDrawingHeight = height - X_AXIS_LABEL_RESERVED_HEIGHT;
  const pathWidth = React.useMemo(() => {
    let allowedWidth = width;
    if (data && xLength > data.length) {
      allowedWidth = (width * data.length) / xLength;
    }
    return allowedWidth;
  }, [data, width, xLength]);
  const path = React.useMemo(() => {
    if (data && data.length > 0) {
      return getPath({
        data,
        width: pathWidth,
        height: chartDrawingHeight,
        gutter: yGutter,
        shape,
        yDomain,
        xDomain,
      });
    }
    return '';
  }, [data, pathWidth, chartDrawingHeight, yGutter, shape, yDomain, xDomain]);
  const area = React.useMemo(() => {
    if (data && data.length > 0) {
      return getArea({
        data,
        width: pathWidth,
        height: chartDrawingHeight,
        gutter: yGutter,
        shape,
        yDomain,
        xDomain,
      });
    }
    return '';
  }, [data, pathWidth, chartDrawingHeight, yGutter, shape, yDomain, xDomain]);
  const parsedPath = React.useMemo(() => parse(path), [path]);
  const pointWidth = React.useMemo(
    () => width / (data ? data.length - 1 : 1),
    [data, width]
  );
  const contextValue = React.useMemo(
    () => ({
      gutter: yGutter,
      parsedPath,
      pointWidth,
      area,
      path,
      width,
      height,
      pathWidth,
      shape: shape,
    }),
    [
      yGutter,
      parsedPath,
      pointWidth,
      area,
      path,
      width,
      height,
      pathWidth,
      shape,
    ]
  );
  return /*#__PURE__*/ React.createElement(
    LineChartIdProvider,
    {
      id: id,
    },
    /*#__PURE__*/ React.createElement(
      LineChartDimensionsContext.Provider,
      {
        value: contextValue,
      },
      /*#__PURE__*/ React.createElement(
        View,
        _extends({}, props, {
          style: [absolute && styles.absolute, props.style],
        }),
        children
      )
    )
  );
}
const styles = StyleSheet.create({
  absolute: {
    position: 'absolute',
  },
});
//# sourceMappingURL=Chart.js.map