react-native-graph-plus/lib/module/StaticLineGraph.js

📈 Beautiful, high-performance Graphs and Charts for React Native +

function _extends() { _extends = Object.assign || 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); }

import { Canvas, LinearGradient, Path, vec } from '@shopify/react-native-skia';
import { getSixDigitHex } from './utils/getSixDigitHex';
import React, { useCallback, useMemo, useState } from 'react';
import { View, StyleSheet } from 'react-native';
import { createGraphPath, getGraphPathRange, getPointsInRange } from './CreateGraphPath';
export function StaticLineGraph(_ref) {
  let {
    points: allPoints,
    range,
    color,
    lineThickness = 3,
    enableFadeInMask,
    style,
    ...props
  } = _ref;
  const [width, setWidth] = useState(0);
  const [height, setHeight] = useState(0);
  const onLayout = useCallback(_ref2 => {
    let {
      nativeEvent: {
        layout
      }
    } = _ref2;
    setWidth(Math.round(layout.width));
    setHeight(Math.round(layout.height));
  }, []);
  const pathRange = useMemo(() => getGraphPathRange(allPoints, range), [allPoints, range]);
  const pointsInRange = useMemo(() => getPointsInRange(allPoints, pathRange), [allPoints, pathRange]);
  const path = useMemo(() => createGraphPath({
    pointsInRange: pointsInRange,
    range: pathRange,
    canvasHeight: height,
    canvasWidth: width,
    horizontalPadding: lineThickness,
    verticalPadding: lineThickness
  }), [height, lineThickness, pathRange, pointsInRange, width]);
  const gradientColors = useMemo(() => [`${getSixDigitHex(color)}00`, `${getSixDigitHex(color)}ff`], [color]);
  const gradientFrom = useMemo(() => vec(0, 0), []);
  const gradientTo = useMemo(() => vec(width * 0.15, 0), [width]);
  return /*#__PURE__*/React.createElement(View, _extends({}, props, {
    style: style,
    onLayout: onLayout
  }), /*#__PURE__*/React.createElement(Canvas, {
    style: styles.svg
  }, /*#__PURE__*/React.createElement(Path, {
    path: path,
    strokeWidth: lineThickness,
    color: enableFadeInMask ? undefined : color,
    style: "stroke",
    strokeJoin: "round",
    strokeCap: "round"
  }, enableFadeInMask && /*#__PURE__*/React.createElement(LinearGradient, {
    start: gradientFrom,
    end: gradientTo,
    colors: gradientColors
  }))));
}
const styles = StyleSheet.create({
  svg: {
    flex: 1
  }
});
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