@thuantan2060/technicalindicators/lib/oscillators/AwesomeOscillator.js

Techincal Indicators written in javascript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.AwesomeOscillatorInput = exports.AwesomeOscillator = void 0;
exports.awesomeoscillator = awesomeoscillator;
var _indicator = require("../indicator/indicator");
var _SMA = require("../moving_averages/SMA");
class AwesomeOscillatorInput extends _indicator.IndicatorInput {
  high;
  low;
  fastPeriod;
  slowPeriod;
}
exports.AwesomeOscillatorInput = AwesomeOscillatorInput;
class AwesomeOscillator extends _indicator.Indicator {
  generator;
  constructor(input) {
    super(input);
    var highs = input.high;
    var lows = input.low;
    var fastPeriod = input.fastPeriod;
    var slowPeriod = input.slowPeriod;
    var slowSMA = new _SMA.SMA({
      values: [],
      period: slowPeriod
    });
    var fastSMA = new _SMA.SMA({
      values: [],
      period: fastPeriod
    });
    this.result = [];
    this.generator = function* () {
      var result;
      var tick;
      var medianPrice;
      var slowSmaValue;
      var fastSmaValue;
      tick = yield;
      while (true) {
        medianPrice = (tick.high + tick.low) / 2;
        slowSmaValue = slowSMA.nextValue(medianPrice);
        fastSmaValue = fastSMA.nextValue(medianPrice);
        if (slowSmaValue !== undefined && fastSmaValue !== undefined) {
          result = fastSmaValue - slowSmaValue;
        }
        tick = yield result;
      }
    }();
    this.generator.next();
    highs.forEach((tickHigh, index) => {
      var tickInput = {
        high: tickHigh,
        low: lows[index]
      };
      var result = this.generator.next(tickInput);
      if (result.value != undefined) {
        this.result.push(this.format(result.value));
      }
    });
  }
  static calculate = awesomeoscillator;
  nextValue(price) {
    var result = this.generator.next(price);
    if (result.value != undefined) {
      return this.format(result.value);
    }
  }
}
exports.AwesomeOscillator = AwesomeOscillator;
function awesomeoscillator(input) {
  _indicator.Indicator.reverseInputs(input);
  var result = new AwesomeOscillator(input).result;
  if (input.reversedInput) {
    result.reverse();
  }
  _indicator.Indicator.reverseInputs(input);
  return result;
}
;
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