@showr/indicators/dist/macd/macd.js

Technical indicators for Trading made with Showr

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MACD = void 0;
const core_1 = require("@showr/core");
const __1 = require("../");
class MACD extends core_1.Indicator {
    constructor(name = 'MACD', params) {
        super(name, function (dataset) {
            const datasetLength = dataset.value.length;
            if (datasetLength === 1) {
                return 0;
            }
            return (dataset.quotes[datasetLength - 1].getIndicator('ema12') -
                dataset.quotes[datasetLength - 1].getIndicator('ema26'));
        }, {
            params,
            beforeCalculate: (dataset) => {
                const ema12 = new __1.EMA('ema12', {
                    period: 12,
                    attribute: params.attribute,
                });
                const ema26 = new __1.EMA('ema26', {
                    period: 26,
                    attribute: params.attribute,
                });
                dataset.apply(ema12, ema26);
            },
        });
    }
}
exports.MACD = MACD;