duckengine/src/helper/color/hexToRGBA.ts

A 2D Game Engine for the web.

import { Duck } from '../../index';
import Debug from '../../core/debug/debug';
import isHex from './isHex';

export default function hexToRGBA(
	hex: string,
	alpha: Duck.Types.Helper.AlphaRange
) {
	if (isHex(hex)) {
		hex = hex.replace('#', '');
		if (hex.length === 3) {
			hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2];
		}
		const [r, g, b] = hex.match(/\w\w/g)!.map((x) => parseInt(x, 16));
		return `rgba(${r},${g},${b},${alpha})`;
	} else {
		new Debug.Error('Cannot convert hex to RGBA. Invalid hex.');
		return 'rgba(0, 0, 0, 1)';
	}
}