ct-react-stockcharts/es/lib/indicator/heikinAshi.js

Highly customizable stock charts with ReactJS and d3

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

import { heikinAshi } from "../calculator";
import baseIndicator from "./baseIndicator";

import { rebind, merge } from "../utils";

var ALGORITHM_TYPE = "HeikinAshi";

export default function () {

	var base = baseIndicator().type(ALGORITHM_TYPE).accessor(function (d) {
		return d.ha;
	});

	var underlyingAlgorithm = heikinAshi();

	var mergedAlgorithm = merge().algorithm(underlyingAlgorithm).merge(function (datum, indicator) {
		return _extends({}, datum, indicator);
	});

	var indicator = function indicator(data) {
		var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { merge: true };

		if (options.merge) {
			if (!base.accessor()) throw new Error("Set an accessor to " + ALGORITHM_TYPE + " before calculating");
			return mergedAlgorithm(data);
		}
		return underlyingAlgorithm(data);
	};

	rebind(indicator, base, "accessor", "stroke", "fill", "echo", "type");
	// rebind(indicator, underlyingAlgorithm, "windowSize", "source");
	rebind(indicator, mergedAlgorithm, "merge");

	return indicator;
}
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