@prestamype/financial-functions/src/tasa/index.js

Implementación de funciones financieras

import { bisection, newton } from '../_lib/tir.js'

function wrapFun(fn) {
	return function(...args) {
		return new Promise(resolve => setTimeout(() => {
			return resolve(fn(...args))
		}, 0))
	}
}

function tcea(tir) {
	return Math.pow(1 + tir, 12) - 1
}

const tir_async_fn = wrapFun(bisection)

async function main(flow) {
	const tir = await tir_async_fn(flow)

	return {
		tir,
		tcea: tcea(tir),
		tcem: tir
	}
}

export { main, tcea, tir_async_fn as tir }