@kirz/react-native-toolkit/lib/module/components/FadeView.js

Toolkit to speed up React Native development

function _extends() { _extends = Object.assign ? Object.assign.bind() : 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 MaskedView from '@react-native-masked-view/masked-view';
import React, { useMemo } from 'react';
import { easeGradient } from 'react-native-easing-gradient';
import LinearGradient from 'react-native-linear-gradient';
import { View } from './View';
import { scaleY, useTheme } from '../index';
const DEFAULT_FADE = scaleY(10);
function InnerFadeView(_ref) {
  let {
    style,
    sides,
    fadeDistance,
    fadeStart,
    fadeEnd,
    direction,
    fadeColor,
    colors,
    locations,
    ...props
  } = _ref;
  if (direction === 'vertical' && !(sides !== null && sides !== void 0 && sides.bottom) && !(sides !== null && sides !== void 0 && sides.top)) {
    return props.children;
  }
  if (direction === 'horizontal' && !(sides !== null && sides !== void 0 && sides.left) && !(sides !== null && sides !== void 0 && sides.right)) {
    return props.children;
  }
  const maskElement = direction === 'vertical' ? /*#__PURE__*/React.createElement(View, {
    style: [style, {
      position: 'absolute',
      left: 0,
      right: 0,
      bottom: 0,
      top: 0,
      pointerEvents: 'none'
    }]
  }, ((sides === null || sides === void 0 ? void 0 : sides.top) ?? false) && /*#__PURE__*/React.createElement(LinearGradient, {
    start: {
      x: 0.5,
      y: (typeof fadeStart === 'number' ? 0 : fadeStart === null || fadeStart === void 0 ? void 0 : fadeStart.top) ?? 0
    },
    end: {
      x: 0.5,
      y: (typeof fadeEnd === 'number' ? 0 : fadeEnd === null || fadeEnd === void 0 ? void 0 : fadeEnd.top) ?? 1
    },
    style: {
      height: (typeof fadeDistance === 'number' ? fadeDistance : fadeDistance === null || fadeDistance === void 0 ? void 0 : fadeDistance.top) ?? DEFAULT_FADE
    },
    colors: colors,
    locations: [...locations].reverse()
  }), /*#__PURE__*/React.createElement(View, {
    style: {
      flex: 1,
      ...(!fadeColor && {
        backgroundColor: 'white'
      }),
      marginVertical: -2
    }
  }), ((sides === null || sides === void 0 ? void 0 : sides.bottom) ?? true) && /*#__PURE__*/React.createElement(LinearGradient, {
    start: {
      x: 0.5,
      y: (typeof fadeStart === 'number' ? 0 : fadeStart === null || fadeStart === void 0 ? void 0 : fadeStart.bottom) ?? 0
    },
    end: {
      x: 0.5,
      y: (typeof fadeEnd === 'number' ? 0 : fadeEnd === null || fadeEnd === void 0 ? void 0 : fadeEnd.bottom) ?? 1
    },
    style: {
      height: (typeof fadeDistance === 'number' ? fadeDistance : fadeDistance === null || fadeDistance === void 0 ? void 0 : fadeDistance.bottom) ?? DEFAULT_FADE
    },
    colors: colors,
    locations: locations
  })) : /*#__PURE__*/React.createElement(View, {
    style: [style, {
      flexDirection: 'row',
      position: 'absolute',
      left: 0,
      right: 0,
      bottom: 0,
      top: 0,
      pointerEvents: 'none'
    }]
  }, ((sides === null || sides === void 0 ? void 0 : sides.left) ?? false) && /*#__PURE__*/React.createElement(LinearGradient, {
    start: {
      x: (typeof fadeStart === 'number' ? 0 : fadeStart === null || fadeStart === void 0 ? void 0 : fadeStart.left) ?? 0,
      y: 0.5
    },
    end: {
      x: (typeof fadeEnd === 'number' ? 0 : fadeEnd === null || fadeEnd === void 0 ? void 0 : fadeEnd.left) ?? 1,
      y: 0.5
    },
    style: {
      width: (typeof fadeDistance === 'number' ? fadeDistance : fadeDistance === null || fadeDistance === void 0 ? void 0 : fadeDistance.left) ?? DEFAULT_FADE
    },
    colors: colors,
    locations: [...locations].reverse()
  }), /*#__PURE__*/React.createElement(View, {
    style: {
      flex: 1,
      backgroundColor: 'white',
      marginHorizontal: -2
    }
  }), ((sides === null || sides === void 0 ? void 0 : sides.right) ?? false) && /*#__PURE__*/React.createElement(LinearGradient, {
    start: {
      x: (typeof fadeStart === 'number' ? 0 : fadeStart === null || fadeStart === void 0 ? void 0 : fadeStart.right) ?? 0,
      y: 0.5
    },
    end: {
      x: (typeof fadeEnd === 'number' ? 0 : fadeEnd === null || fadeEnd === void 0 ? void 0 : fadeEnd.right) ?? 1,
      y: 0.5
    },
    style: {
      width: (typeof fadeDistance === 'number' ? fadeDistance : fadeDistance === null || fadeDistance === void 0 ? void 0 : fadeDistance.right) ?? DEFAULT_FADE
    },
    colors: colors,
    locations: locations
  }));
  if (fadeColor) {
    return /*#__PURE__*/React.createElement(View, _extends({}, props, {
      style: style
    }), props.children, maskElement);
  }
  return /*#__PURE__*/React.createElement(MaskedView, _extends({}, props, {
    style: style,
    maskElement: maskElement
  }));
}
export function FadeView(_ref2) {
  let {
    sides = {
      bottom: true
    },
    fadeDistance,
    fadeColor,
    ...props
  } = _ref2;
  const theme = useTheme();
  const {
    colors,
    locations
  } = useMemo(() => {
    const {
      colors,
      locations
    } = easeGradient({
      colorStops: {
        0: {
          color: fadeColor ? theme.parseColor(fadeColor).fade(1).hexa() : 'white'
        },
        1: {
          color: fadeColor ?? 'transparent'
        }
      }
    });
    return {
      colors,
      locations
    };
  }, [fadeColor]);
  return /*#__PURE__*/React.createElement(InnerFadeView, _extends({
    sides: sides,
    fadeDistance: fadeDistance
  }, props, {
    direction: "vertical",
    fadeColor: fadeColor,
    colors: colors,
    locations: locations
  }), /*#__PURE__*/React.createElement(InnerFadeView, _extends({
    sides: sides,
    fadeDistance: fadeDistance
  }, props, {
    direction: "horizontal",
    fadeColor: fadeColor,
    colors: colors,
    locations: locations
  })));
}
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