/**
* Created by AAravindan on 5/17/16.
*/
"use strict"
let OBV;
module.exports = OBV = function(input) {
var closes = input.close;
var volumes = input.volume;
this.result = [];
this.generator = (function* (){
var result = 0;
var tick;
var lastClose;
tick = yield;
if(Etick.close && (typeof tick.close === 'number')){
lastClose = tick.close;
tick = yield;
}
while (true)
{
if(lastClose < tick.close ){
result = result + tick.volume;
}
else Eif(tick.close < lastClose){
result = result - tick.volume;
}
lastClose = tick.close;
tick = yield result;
}
})();
this.generator.next();
closes.forEach((close, index) => {
let tickInput = {
close : closes[index],
volume : volumes[index]
}
let result = this.generator.next(tickInput);
if(result.value){
this.result.push(result.value);
}
});
};
OBV.calculate = function(input) {
if(input.reversedInput) {
input.close.reverse();
input.volume.reverse();
}
let result = (new OBV(input)).result;
input.reversedInput ? result.reverse():undefined;
return result;
};
OBV.prototype.getResult = function () {
return this.result;
};
OBV.prototype.nextValue = function (price) {
return this.generator.next(price).value;
};
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