ct-react-stockcharts/es/lib/algorithm/index.js

Highly customizable stock charts with ReactJS and d3

import { merge, slidingWindow, identity } from "../utils";

export default function () {

	var windowSize = 1,
	    accumulator = identity,
	    mergeAs = identity;

	function algorithm(data) {

		var defaultAlgorithm = slidingWindow().windowSize(windowSize).accumulator(accumulator);

		var calculator = merge().algorithm(defaultAlgorithm).merge(mergeAs);

		var newData = calculator(data);

		return newData;
	}

	algorithm.accumulator = function (x) {
		if (!arguments.length) {
			return accumulator;
		}
		accumulator = x;
		return algorithm;
	};

	algorithm.windowSize = function (x) {
		if (!arguments.length) {
			return windowSize;
		}
		windowSize = x;
		return algorithm;
	};
	algorithm.merge = function (x) {
		if (!arguments.length) {
			return mergeAs;
		}
		mergeAs = x;
		return algorithm;
	};

	return algorithm;
}
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