Functions for working with the Fibonacci sequence

Usage no npm install needed!

<script type="module">
  import affraeFibTools from 'https://cdn.skypack.dev/@affrae/fib-tools';



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This module provides helper functions for the Fibonacci sequence.

Get the nth Number

const {getNumber} = require('@affrae/fib-tools')
assert.strictEqual(getNumber(8), 21)

Get a List of Numbers

const {getList} = require('@affrae/fib-tools')
assert.strictDeepEqual(getList(8), [0, 1, 1, 2, 3, 5, 8, 13, 21])

Get a Sequence of Numbers

const {getSequence} = require('@affrae/fib-tools')

const seq = getSequence()

for (const n of seq) {
  console.log(n) // The next Fibonacci number in the sequence


This is openly and heavily borrowed from Jonathan Clem's fib-tools project, and he is listed as copyright owner in the MIT License. I used this to teach myself LGTM and QL GitHub Advanced Security, along with GitHub Actions


The scripts and documentation in this project are released under the MIT License