| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 | /** * (c) 2010-2019 Daniel Studencki * * License: www.highcharts.com/license */'use strict';import H from '../parts/Globals.js';import '../parts/Utilities.js';var error = H.error;var requiredIndicatorMixin = {    /**     * Check whether given indicator is loaded, else throw error.     * @param {function} indicator Indicator constructor function.     * @param {string} requiredIndicator required indicator type.     * @param {string} type Type of indicator where function was called (parent).     * @param {function} 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.     * @returns {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;    },    generateMessage: function (indicatorType, required) {        return 'Error: "' + indicatorType +            '" indicator type requires "' + required +            '" indicator loaded before. Please read docs: ' +            'https://api.highcharts.com/highstock/plotOptions.' +            indicatorType;    }};export default requiredIndicatorMixin;
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