roundToStep

Round a number to a step. Accepts an interval and optional offset.

const rounded = roundToStep(45, { offset: 20, interval: 10 })
console.log(rounded) // 50

const rounded = roundToStep(45, { offset: 20, interval: 10, direction: 'down' })
console.log(rounded) // 40

Options

Option	Default	Description
offset	0	The start of the series
interval	1	The distance between the numbers
direction	commercial	`up`, `down` or `commercial`

npm install round-to-step

import { roundToStep } from 'round-to-step'