highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highstock JS v9.0.1 (2021-02-16)
*
* Slow Stochastic series type for Highstock
*
* (c) 2010-2021 Pawel Fus
*
* License: www.highcharts.com/license
*/
;
(function (factory) {
if (typeof module === 'object' && module.exports) {
factory['default'] = factory;
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
define('highcharts/indicators/indicators', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
}
}
_registerModule(_modules, 'Mixins/IndicatorRequired.js', [_modules['Core/Utilities.js']], function (U) {
/**
*
* (c) 2010-2021 Daniel Studencki
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var error = U.error;
/* eslint-disable no-invalid-this, valid-jsdoc */
var requiredIndicatorMixin = {
/**
* Check whether given indicator is loaded,
else throw error.
* @private
* @param {Highcharts.Indicator} indicator
* Indicator constructor function.
* @param {string} requiredIndicator
* Required indicator type.
* @param {string} type
* Type of indicator where function was called (parent).
* @param {Highcharts.IndicatorCallbackFunction} callback
* Callback which is triggered if the given indicator is loaded.
* Takes indicator as an argument.
* @param {string} errMessage
* Error message that will be logged in console.
* @return {boolean}
* Returns false when there is no required indicator loaded.
*/
isParentLoaded: function (indicator,
requiredIndicator,
type,
callback,
errMessage) {
if (indicator) {
return callback ? callback(indicator) : true;
}
error(errMessage || this.generateMessage(type, requiredIndicator));
return false;
},
/**
* @private
* @param {string} indicatorType
* Indicator type
* @param {string} required
* Required indicator
* @return {string}
* Error message
*/
generateMessage: function (indicatorType, required) {
return 'Error: "' + indicatorType +
'" indicator type requires "' + required +
'" indicator loaded before. Please read docs: ' +
'https://api.highcharts.com/highstock/plotOptions.' +
indicatorType;
}
};
return requiredIndicatorMixin;
});
_registerModule(_modules, 'Stock/Indicators/SlowStochastic/SlowStochasticIndicator.js', [_modules['Mixins/IndicatorRequired.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (RequiredIndicatorMixin, SeriesRegistry, U) {
/* *
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
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 __());
};
})();
var StochasticIndicator = SeriesRegistry.seriesTypes.stochastic;
var seriesTypes = SeriesRegistry.seriesTypes;
var extend = U.extend,
merge = U.merge;
/**
* The Slow Stochastic series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.slowstochastic
*
* @augments Highcharts.Series
*/
var SlowStochasticIndicator = /** @class */ (function (_super) {
__extends(SlowStochasticIndicator, _super);
function SlowStochasticIndicator() {
var _this = _super !== null && _super.apply(this,
arguments) || this;
_this.data = void 0;
_this.options = void 0;
_this.points = void 0;
return _this;
}
SlowStochasticIndicator.prototype.init = function () {
var args = arguments,
ctx = this;
RequiredIndicatorMixin.isParentLoaded(seriesTypes.stochastic, 'stochastic', ctx.type, function (indicator) {
indicator.prototype.init.apply(ctx, args);
return;
});
};
SlowStochasticIndicator.prototype.getValues = function (series, params) {
var periods = params.periods,
fastValues = seriesTypes.stochastic.prototype.getValues.call(this,
series,
params),
slowValues = {
values: [],
xData: [],
yData: []
};
var i = 0;
if (!fastValues) {
return;
}
slowValues.xData = fastValues.xData.slice(periods[1] - 1);
var fastYData = fastValues.yData.slice(periods[1] - 1);
// Get SMA(%D)
var smoothedValues = seriesTypes.sma.prototype.getValues.call(this, {
xData: slowValues.xData,
yData: fastYData
}, {
index: 1,
period: periods[2]
});
if (!smoothedValues) {
return;
}
var xDataLen = slowValues.xData.length;
// Format data
for (; i < xDataLen; i++) {
slowValues.yData[i] = [
fastYData[i][1],
smoothedValues.yData[i - periods[2] + 1] || null
];
slowValues.values[i] = [
slowValues.xData[i],
fastYData[i][1],
smoothedValues.yData[i - periods[2] + 1] || null
];
}
return slowValues;
};
/**
* Slow Stochastic oscillator. This series requires the `linkedTo` option
* to be set and should be loaded after `stock/indicators/indicators.js`
* and `stock/indicators/stochastic.js` files.
*
* @sample stock/indicators/slow-stochastic
* Slow Stochastic oscillator
*
* @extends plotOptions.stochastic
* @since 8.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/stochastic
* @requires stock/indicators/slowstochastic
* @optionparent plotOptions.slowstochastic
*/
SlowStochasticIndicator.defaultOptions = merge(StochasticIndicator.defaultOptions, {
params: {
/**
* Periods for Slow Stochastic oscillator: [%K, %D, SMA(%D)].
*
* @type {Array<number,number,number>}
* @default [14, 3, 3]
*/
periods: [14, 3, 3]
}
});
return SlowStochasticIndicator;
}(StochasticIndicator));
extend(SlowStochasticIndicator.prototype, {
nameBase: 'Slow Stochastic'
});
SeriesRegistry.registerSeriesType('slowstochastic', SlowStochasticIndicator);
/* *
*
* Default Export
*
* */
/**
* A Slow Stochastic indicator. If the [type](#series.slowstochastic.type)
* option is not specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.slowstochastic
* @since 8.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/stochastic
* @requires stock/indicators/slowstochastic
* @apioption series.slowstochastic
*/
''; // to include the above in the js output
return SlowStochasticIndicator;
});
_registerModule(_modules, 'masters/indicators/slow-stochastic.src.js', [], function () {
});
}));