@editorialapp/datatools/lib/numbers.js

A collection of dependencies organized into useful tools for working with data in ways that are common in data cleaning and in building news apps.

export function round_decimal (number, precision = 2) {
	const factor = Math.pow(10, precision)
	return Math.round((number + Number.EPSILON) * factor) / factor
}

export function format_percentage (number, precision = 2) {
	return `${format_number(round_decimal(number * 100, precision))}%`
}

export function format_number (number) {
	return number.toLocaleString()
}