jesse-indicators/dist/src/EMA/index.js

A Technical indicator library for TypeScript.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const SMA_1 = __importDefault(require("../SMA"));
function EMA(prices, period) {
    let EM = SMA_1.default(prices.slice(0, period), period);
    let F = 2 / (period + 1);
    for (let index = 0; index < prices.slice(period).length; index++) {
        EM = EM + F * (prices.slice(period)[index] - EM);
    }
    return EM;
}
exports.default = EMA;
function quickEMA(price, period, EM) {
    let F = 2 / (period + 1);
    return EM + F * (price - EM);
}
exports.quickEMA = quickEMA;
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