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import { Easing, Animated } from 'react-native';
import { TransitionPresets, HeaderStyleInterpolators } from '@react-navigation/stack';
import { isAndroid } from '../deviceInfo';
import conditional from './conditional';
const { multiply } = Animated;
const forFadeFromCenter = ({
current,
closing
}) => {
const opacity = conditional(
closing,
current.progress,
current.progress.interpolate({
inputRange: [0, 0.5, 0.9, 1],
outputRange: [0, 0.25, 0.7, 1]
})
);
return {
cardStyle: {
opacity
}
};
};
const FadeIn = {
animation: 'timing',
config: {
duration: 250,
easing: Easing.out(Easing.poly(5))
}
};
const FadeOut = {
animation: 'timing',
config: {
duration: 150,
easing: Easing.in(Easing.poly(5))
}
};
export const FadeFromCenterModal = {
gestureDirection: 'vertical',
transitionSpec: {
open: FadeIn,
close: FadeOut
},
cardStyleInterpolator: forFadeFromCenter
};
const forStackAndroid = ({
current,
inverted,
layouts: { screen },
closing
}) => {
const translateX = multiply(
current.progress.interpolate({
inputRange: [0, 1],
outputRange: [screen.width, 0]
}),
inverted
);
const opacity = conditional(
closing,
current.progress,
current.progress.interpolate({
inputRange: [0, 1],
outputRange: [0, 1]
})
);
return {
cardStyle: {
opacity,
transform: [{ translateX }]
}
};
};
const StackAndroid = {
gestureDirection: 'horizontal',
transitionSpec: {
open: FadeIn,
close: FadeOut
},
cardStyleInterpolator: forStackAndroid,
headerStyleInterpolator: HeaderStyleInterpolators.forFade
};
export const StackAnimation = isAndroid ? StackAndroid : TransitionPresets.SlideFromRightIOS;
export const ModalAnimation = TransitionPresets.ModalTransition;