Robert Laurenz laurenzcodes

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Focusing

Front-End Developer working with React (+Native) and Typescript. Embracing the bleeding edge of technology.

laurenzcodes / formatCents.ts

Last active April 26, 2022 08:15

Function to convert cents into euros using regex replace

	const formatCents = (sum?: number \| null): string =>
	sum
	? (sum / 100).toFixed(2).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ".").replace(/\.([^.]*)$/g, ",$1")
	: '0,00';

	// Tests:

	// it('formats cents into EURO (€) values', () => {
	// expect(formatCents(1)).toEqual('0,01');
	// expect(formatCents(10)).toEqual('0,10');

laurenzcodes / link.tsx

Last active January 12, 2023 17:42

Gatsby Link Component that preserves url parameters after route change

	import * as React from 'react'
	import { Link as GatsbyLink, GatsbyLinkProps } from 'gatsby'

	interface Props extends GatsbyLinkProps<HTMLAnchorElement> {
	to: string
	className?: string
	target?: string
	}

	const checkLinkType = (to: Props['to']) => {