Icard/angular-clarity-master(work.../node_modules/highcharts/indicators/rsi.src.js

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2024-07-16 14:55:36 +00:00
/**
* @license Highstock JS v11.4.1 (2024-04-04)
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2024 Paweł 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/rsi', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
'use strict';
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
if (typeof CustomEvent === 'function') {
window.dispatchEvent(new CustomEvent(
'HighchartsModuleLoaded',
{ detail: { path: path, module: obj[path] } }
));
}
}
}
_registerModule(_modules, 'Stock/Indicators/RSI/RSIIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) {
/* *
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { sma: SMAIndicator } = SeriesRegistry.seriesTypes;
const { isNumber, merge } = U;
/* *
*
* Functions
*
* */
// Utils:
/**
*
*/
function toFixed(a, n) {
return parseFloat(a.toFixed(n));
}
/* *
*
* Class
*
* */
/**
* The RSI series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.rsi
*
* @augments Highcharts.Series
*/
class RSIIndicator extends SMAIndicator {
/* *
*
* Functions
*
* */
getValues(series, params) {
const period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, decimals = params.decimals,
// RSI starts calculations from the second point
// Cause we need to calculate change between two points
RSI = [], xData = [], yData = [];
let gain = 0, loss = 0, index = params.index, range = 1, RSIPoint, change, avgGain, avgLoss, i, values;
if ((xVal.length < period)) {
return;
}
if (isNumber(yVal[0])) {
values = yVal;
}
else {
// In case of the situation, where the series type has data length
// longer then 4 (HLC, range), this ensures that we are not trying
// to reach the index out of bounds
index = Math.min(index, yVal[0].length - 1);
values = yVal
.map((value) => value[index]);
}
// Calculate changes for first N points
while (range < period) {
change = toFixed(values[range] - values[range - 1], decimals);
if (change > 0) {
gain += change;
}
else {
loss += Math.abs(change);
}
range++;
}
// Average for first n-1 points:
avgGain = toFixed(gain / (period - 1), decimals);
avgLoss = toFixed(loss / (period - 1), decimals);
for (i = range; i < yValLen; i++) {
change = toFixed(values[i] - values[i - 1], decimals);
if (change > 0) {
gain = change;
loss = 0;
}
else {
gain = 0;
loss = Math.abs(change);
}
// Calculate smoothed averages, RS, RSI values:
avgGain = toFixed((avgGain * (period - 1) + gain) / period, decimals);
avgLoss = toFixed((avgLoss * (period - 1) + loss) / period, decimals);
// If average-loss is equal zero, then by definition RSI is set
// to 100:
if (avgLoss === 0) {
RSIPoint = 100;
// If average-gain is equal zero, then by definition RSI is set
// to 0:
}
else if (avgGain === 0) {
RSIPoint = 0;
}
else {
RSIPoint = toFixed(100 - (100 / (1 + (avgGain / avgLoss))), decimals);
}
RSI.push([xVal[i], RSIPoint]);
xData.push(xVal[i]);
yData.push(RSIPoint);
}
return {
values: RSI,
xData: xData,
yData: yData
};
}
}
/* *
*
* Static Properties
*
* */
/**
* Relative strength index (RSI) technical indicator. This series
* requires the `linkedTo` option to be set and should be loaded after
* the `stock/indicators/indicators.js` file.
*
* @sample stock/indicators/rsi
* RSI indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/rsi
* @optionparent plotOptions.rsi
*/
RSIIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
params: {
decimals: 4,
index: 3
}
});
SeriesRegistry.registerSeriesType('rsi', RSIIndicator);
/* *
*
* Default Export
*
* */
/* *
*
* API Options
*
* */
/**
* A `RSI` series. If the [type](#series.rsi.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.rsi
* @since 6.0.0
* @product highstock
* @excluding dataParser, dataURL
* @requires stock/indicators/indicators
* @requires stock/indicators/rsi
* @apioption series.rsi
*/
''; // To include the above in the js output
return RSIIndicator;
});
_registerModule(_modules, 'masters/indicators/rsi.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
return Highcharts;
});
}));