13 lines
501 B
TypeScript
13 lines
501 B
TypeScript
export const hexToRgb = (hex: string) => {
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// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
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const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i
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hex = hex.replace(shorthandRegex, (m: string, r: string, g: string, b: string) => {
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return r + r + g + g + b + b
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})
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)
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return result ? `${Number.parseInt(result[1], 16)},${Number.parseInt(result[2], 16)},${Number.parseInt(result[3], 16)}` : null
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}
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