20 lines
492 B
JavaScript
20 lines
492 B
JavaScript
const hexToRGB = hex => {
|
|
let alpha = false,
|
|
h = hex.slice(hex.startsWith('#') ? 1 : 0);
|
|
if (h.length === 3) h = [...h].map(x => x + x).join('');
|
|
else if (h.length === 8) alpha = true;
|
|
h = parseInt(h, 16);
|
|
return (
|
|
'rgb' +
|
|
(alpha ? 'a' : '') +
|
|
'(' +
|
|
(h >>> (alpha ? 24 : 16)) +
|
|
', ' +
|
|
((h & (alpha ? 0x00ff0000 : 0x00ff00)) >>> (alpha ? 16 : 8)) +
|
|
', ' +
|
|
((h & (alpha ? 0x0000ff00 : 0x0000ff)) >>> (alpha ? 8 : 0)) +
|
|
(alpha ? `, ${h & 0x000000ff}` : '') +
|
|
')'
|
|
);
|
|
};
|
|
module.exports = hexToRGB |