native-base-transpiled/dist/Components/vendor/react-native-drawer/tweener.js

NativeBase ES2015 transpilation proof of concept

var easingTypes=require('./tween/tween-functions');

module.exports=function(config){
return new Tween(config);
};

function Tween(config){
this._rafLoop=this._rafLoop.bind(this);
this.terminate=this.terminate.bind(this);

this._t0=Date.now();
this._config=config;
this._rafLoop();
}

Tween.prototype._rafLoop=function(){
if(this._break){return;}var _config=

this._config,duration=_config.duration,start=_config.start,end=_config.end,easingType=_config.easingType;
var now=Date.now();
var elapsed=now-this._t0;

if(elapsed>=duration){
this._config.onFrame(end);
this._config.onEnd();
return;
}

var tweenVal=easingTypes[easingType](elapsed,start,end,duration);
this._config.onFrame(tweenVal);

requestAnimationFrame(this._rafLoop);
};

Tween.prototype.terminate=function(){
this._break=true;
};
//# sourceMappingURL=tweener.js.map