text: /* *
   *  (c) 2010-2021 Rafal Sebestjanski
   *
   *  Directional Movement Index (DMI) indicator for Highcharts Stock
   *
   *  License: www.highcharts.com/license
   *
   *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
   *
   * */
  'use strict';
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = function (d, b) {
          extendStatics = Object.setPrototypeOf ||
              ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
              function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
          return extendStatics(d, b);
      };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  import MultipleLinesMixin from '../../../Mixins/MultipleLines.js';
  import palette from '../../../Core/Color/Palette.js';
  import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
  var SMAIndicator = SeriesRegistry.seriesTypes.sma;
  import U from '../../../Core/Utilities.js';
  var correctFloat = U.correctFloat, extend = U.extend, isArray = U.isArray, merge = U.merge;
  /* *
   *
   *  Class
   *
   * */
  /**
   * The Directional Movement Index (DMI) series type.
   *
   * @private
   * @class
   * @name Highcharts.seriesTypes.dmi
   *
   * @augments Highcharts.Series
   */
  var DMIIndicator = /** @class */ (function (_super) {
      __extends(DMIIndicator, _super);
      function DMIIndicator() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      /* *
       *
       *  Functions
       *
       * */
      DMIIndicator.prototype.calculateDM = function (yVal, i, isPositiveDM) {
          var currentHigh = yVal[i][1], currentLow = yVal[i][2], previousHigh = yVal[i - 1][1], previousLow = yVal[i - 1][2];
          var DM;
          if (currentHigh - previousHigh > previousLow - currentLow) {
              // for +DM
              DM = isPositiveDM ? Math.max(currentHigh - previousHigh, 0) : 0;
          }
          else {
              // for -DM
              DM = !isPositiveDM ? Math.max(previousLow - currentLow, 0) : 0;
          }
          return correctFloat(DM);
      };
      DMIIndicator.prototype.calculateDI = function (smoothedDM, tr) {
          return smoothedDM / tr * 100;
      };
      DMIIndicator.prototype.calculateDX = function (plusDI, minusDI) {
          return correctFloat(Math.abs(plusDI - minusDI) / Math.abs(plusDI + minusDI) * 100);
      };
      DMIIndicator.prototype.smoothValues = function (accumulatedValues, currentValue, period) {
          return correctFloat(accumulatedValues - accumulatedValues / period + currentValue);
      };
      DMIIndicator.prototype.getTR = function (currentPoint, prevPoint) {
          return correctFloat(Math.max(
          // currentHigh - currentLow
          currentPoint[1] - currentPoint[2], 
          // currentHigh - previousClose
          !prevPoint ? 0 : Math.abs(currentPoint[1] - prevPoint[3]), 
          // currentLow - previousClose
          !prevPoint ? 0 : Math.abs(currentPoint[2] - prevPoint[3])));
      };
      DMIIndicator.prototype.getValues = function (series, params) {
          var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, DMI = [], xData = [], yData = [];
          if (
          // Check period, if bigger than points length, skip
          (xVal.length <= period) ||
              // Only ohlc data is valid
              !isArray(yVal[0]) ||
              yVal[0].length !== 4) {
              return;
          }
          var prevSmoothedPlusDM = 0, prevSmoothedMinusDM = 0, prevSmoothedTR = 0, i;
          for (i = 1; i < yValLen; i++) {
              var smoothedPlusDM = void 0, smoothedMinusDM = void 0, smoothedTR = void 0, plusDM = void 0, // +DM
              minusDM = void 0, // -DM
              TR = void 0, plusDI = void 0, // +DI
              minusDI = void 0, // -DI
              DX = void 0;
              if (i <= period) {
                  plusDM = this.calculateDM(yVal, i, true);
                  minusDM = this.calculateDM(yVal, i);
                  TR = this.getTR(yVal[i], yVal[i - 1]);
                  // Accumulate first period values to smooth them later
                  prevSmoothedPlusDM += plusDM;
                  prevSmoothedMinusDM += minusDM;
                  prevSmoothedTR += TR;
                  // Get all values for the first point
                  if (i === period) {
                      plusDI = this.calculateDI(prevSmoothedPlusDM, prevSmoothedTR);
                      minusDI = this.calculateDI(prevSmoothedMinusDM, prevSmoothedTR);
                      DX = this.calculateDX(prevSmoothedPlusDM, prevSmoothedMinusDM);
                      DMI.push([xVal[i], DX, plusDI, minusDI]);
                      xData.push(xVal[i]);
                      yData.push([DX, plusDI, minusDI]);
                  }
              }
              else {
                  // Calculate current values
                  plusDM = this.calculateDM(yVal, i, true);
                  minusDM = this.calculateDM(yVal, i);
                  TR = this.getTR(yVal[i], yVal[i - 1]);
                  // Smooth +DM, -DM and TR
                  smoothedPlusDM = this.smoothValues(prevSmoothedPlusDM, plusDM, period);
                  smoothedMinusDM = this.smoothValues(prevSmoothedMinusDM, minusDM, period);
                  smoothedTR = this.smoothValues(prevSmoothedTR, TR, period);
                  // Save current smoothed values for the next step
                  prevSmoothedPlusDM = smoothedPlusDM;
                  prevSmoothedMinusDM = smoothedMinusDM;
                  prevSmoothedTR = smoothedTR;
                  // Get all next points (except the first one calculated above)
                  plusDI = this.calculateDI(prevSmoothedPlusDM, prevSmoothedTR);
                  minusDI = this.calculateDI(prevSmoothedMinusDM, prevSmoothedTR);
                  DX = this.calculateDX(prevSmoothedPlusDM, prevSmoothedMinusDM);
                  DMI.push([xVal[i], DX, plusDI, minusDI]);
                  xData.push(xVal[i]);
                  yData.push([DX, plusDI, minusDI]);
              }
          }
          return {
              values: DMI,
              xData: xData,
              yData: yData
          };
      };
      /**
       * Directional Movement Index (DMI).
       * This series requires the `linkedTo` option to be set and should
       * be loaded after the `stock/indicators/indicators.js` file.
       *
       * @sample stock/indicators/dmi
       *         DMI indicator
       *
       * @extends      plotOptions.sma
       * @since 9.1.0
       * @product      highstock
       * @excluding    allAreas, colorAxis, joinBy, keys, navigatorOptions,
       *               pointInterval, pointIntervalUnit, pointPlacement,
       *               pointRange, pointStart, showInNavigator, stacking
       * @requires     stock/indicators/indicators
       * @requires     stock/indicators/dmi
       * @optionparent plotOptions.dmi
       */
      DMIIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
          /**
           * @excluding index
           */
          params: {
              index: void 0 // unused index, do not inherit (#15362)
          },
          marker: {
              enabled: false
          },
          tooltip: {
              pointFormat: '<span style="color: {point.color}">\u25CF</span><b> {series.name}</b><br/>' +
                  '<span style="color: {point.color}">DX</span>: {point.y}<br/>' +
                  '<span style="color: {point.series.options.plusDILine.styles.lineColor}">+DI</span>' +
                  ': {point.plusDI}<br/>' +
                  '<span style="color: {point.series.options.minusDILine.styles.lineColor}">-DI</span>' +
                  ': {point.minusDI}<br/>'
          },
          /**
           * +DI line options.
           */
          plusDILine: {
              /**
               * Styles for the +DI line.
               */
              styles: {
                  /**
                   * Pixel width of the line.
                   */
                  lineWidth: 1,
                  /**
                   * Color of the line.
                   *
                   * @type {Highcharts.ColorString}
                   */
                  lineColor: palette.positiveColor // green-ish
              }
          },
          /**
           * -DI line options.
           */
          minusDILine: {
              /**
               * Styles for the -DI line.
               */
              styles: {
                  /**
                   * Pixel width of the line.
                   */
                  lineWidth: 1,
                  /**
                   * Color of the line.
                   *
                   * @type {Highcharts.ColorString}
                   */
                  lineColor: palette.negativeColor // red-ish
              }
          },
          dataGrouping: {
              approximation: 'averages'
          }
      });
      return DMIIndicator;
  }(SMAIndicator));
  extend(DMIIndicator.prototype, {
      nameBase: 'DMI',
      pointArrayMap: ['y', 'plusDI', 'minusDI'],
      parallelArrays: ['x', 'y', 'plusDI', 'minusDI'],
      pointValKey: 'y',
      linesApiNames: ['plusDILine', 'minusDILine'],
      drawGraph: MultipleLinesMixin.drawGraph,
      getTranslatedLinesNames: MultipleLinesMixin.getTranslatedLinesNames,
      translate: MultipleLinesMixin.translate,
      toYData: MultipleLinesMixin.toYData
  });
  SeriesRegistry.registerSeriesType('dmi', DMIIndicator);
  /* *
   *
   *  Default Export
   *
   * */
  export default DMIIndicator;
  /**
   * The Directional Movement Index (DMI) indicator series.
   * If the [type](#series.dmi.type) option is not
   * specified, it is inherited from [chart.type](#chart.type).
   *
   * @extends   series,plotOptions.dmi
   * @since 9.1.0
   * @product   highstock
   * @excluding allAreas, colorAxis,  dataParser, dataURL, joinBy, keys,
   *            navigatorOptions, pointInterval, pointIntervalUnit,
   *            pointPlacement, pointRange, pointStart, showInNavigator, stacking
   * @requires  stock/indicators/indicators
   * @requires  stock/indicators/dmi
   * @apioption series.dmi
   */
  ''; // to include the above in the js output
  