'use strict';var _require=

require('react-native-web'),I18nManager=_require.I18nManager;























function forInitial(props){var

navigationState=

props.navigationState,scene=props.scene;

var focused=navigationState.index===scene.index;
var opacity=focused?1:0;

var translate=focused?0:1000000;
return{
opacity:opacity,
transform:[
{translateX:translate},
{translateY:translate}]};


}

function forHorizontal(props){var

layout=


props.layout,position=props.position,scene=props.scene;

if(!layout.isMeasured){
return forInitial(props);
}

var index=scene.index;
var inputRange=[index-1,index,index+1];
var width=layout.initWidth;
var outputRange=I18nManager.isRTL?
[-width,0,10]:
[width,0,-10];


var opacity=position.interpolate({
inputRange:inputRange,
outputRange:[1,1,0.3]});


var scale=position.interpolate({
inputRange:inputRange,
outputRange:[1,1,0.95]});


var translateY=0;
var translateX=position.interpolate({
inputRange:inputRange,
outputRange:outputRange});


return{
opacity:opacity,
transform:[
{scale:scale},
{translateX:translateX},
{translateY:translateY}]};


}

function forVertical(props){var

layout=


props.layout,position=props.position,scene=props.scene;

if(!layout.isMeasured){
return forInitial(props);
}

var index=scene.index;
var inputRange=[index-1,index,index+1];
var height=layout.initHeight;

var opacity=position.interpolate({
inputRange:inputRange,
outputRange:[1,1,0.3]});


var scale=position.interpolate({
inputRange:inputRange,
outputRange:[1,1,0.95]});


var translateX=0;
var translateY=position.interpolate({
inputRange:inputRange,
outputRange:[height,0,-10]});


return{
opacity:opacity,
transform:[
{scale:scale},
{translateX:translateX},
{translateY:translateY}]};


}

module.exports={
forHorizontal:forHorizontal,
forVertical:forVertical};