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

Toolkit to speed up React Native development

import React, { createContext, useEffect, useMemo, useRef, useState } from 'react';
import { Animated } from 'react-native';
import { hide as hideNativeSplash } from 'react-native-bootsplash';
import { ControlledPromise } from '../index';
export const SplashScreenContext = /*#__PURE__*/createContext({});
export function AppSplashScreen(_ref) {
  let {
    visible,
    SplashScreen,
    children,
    hideManually,
    fadeDuration = 220
  } = _ref;
  const [isSplashScreenVisible, setIsSplashScreenVisible] = useState(true);
  const [isAnimationFinished, setIsAnimationFinished] = useState(false);
  const childrenRenderAwaiter = useRef(new ControlledPromise());
  const opacityAnim = useRef(new Animated.Value(1)).current;
  const splashScreenContextData = useMemo(() => ({
    hide: () => setIsSplashScreenVisible(false)
  }), []);
  useEffect(() => {
    if (visible || hideManually && isSplashScreenVisible) {
      return;
    }
    if (!SplashScreen) {
      hideNativeSplash({
        fade: true,
        duration: fadeDuration
      });
      return;
    }
    Animated.timing(opacityAnim, {
      toValue: 0,
      duration: fadeDuration,
      useNativeDriver: true
    }).start(() => {
      setIsAnimationFinished(true);
    });

    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [visible, isSplashScreenVisible, hideManually]);
  useEffect(() => {
    (async () => {
      if (SplashScreen) {
        await childrenRenderAwaiter.current.wait();
        hideNativeSplash({
          fade: true
        });
      }
    })();
  }, [SplashScreen]);
  if (!SplashScreen) {
    return visible ? null : children;
  }
  return /*#__PURE__*/React.createElement(React.Fragment, null, !visible && /*#__PURE__*/React.createElement(SplashScreenContext.Provider, {
    value: splashScreenContextData
  }, children), !isAnimationFinished && /*#__PURE__*/React.createElement(Animated.View, {
    onLayout: () => {
      childrenRenderAwaiter.current.resolve();
    },
    style: [{
      position: 'absolute',
      top: 0,
      left: 0,
      width: '100%',
      height: '100%',
      opacity: opacityAnim
    }]
  }, SplashScreen));
}
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