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* @deprecated
*/
export function hexToRgb(hex: string): string {
const processedHex: RgbJSON = properRGBValues(hex);
const r: string = processedHex.r;
const g: string = processedHex.g;
const b: string = processedHex.b;
const a: string = processedHex.a;
const rgb: boolean = processedHex.rgb;
const rgba: boolean = processedHex.rgba;
if (rgb) {
return `rgb(${parseInt(r, 16)}, ${parseInt(g, 16)}, ${parseInt(b, 16)})`;
} else if (rgba) {
return `rgba(${parseInt(r, 16)}, ${parseInt(g, 16)}, ${parseInt(
b,
16
)}, ${parseInt(a, 16) / 255})`;
}
}
interface RgbJSON {
r: string;
g: string;
b: string;
a: string;
rgb: boolean;
rgba: boolean;
}
function properRGBValues(hex: string): RgbJSON {
hex = hex.replace("#", "");
if (3 === hex.length || 6 === hex.length) {
return processRGBHex(hex);
} else if (4 === hex.length || 8 === hex.length) {
return processRGBAHex(hex);
} else {
throw new Error(`#${hex} is not a convertible hex value`);
}
}
function processRGBHex(hex: string): RgbJSON {
if (3 === hex.length && /^([A-Fa-f0-9]{3}){1,2}$/.test(hex)) {
return {
r: hex.charAt(0) + hex.charAt(0),
g: hex.charAt(1) + hex.charAt(1),
b: hex.charAt(2) + hex.charAt(2),
a: "",
rgb: true,
rgba: false,
};
} else if (6 === hex.length && /^([A-Fa-f0-9]{3}){1,2}$/.test(hex)) {
return {
r: hex.substring(0, 2),
g: hex.substring(2, 4),
b: hex.substring(4, 6),
a: "",
rgb: true,
rgba: false,
};
} else {
throw new Error(`#${hex} is not a convertible hex value`);
}
}
function processRGBAHex(hex: string): RgbJSON {
if (4 === hex.length && /^([A-Fa-f0-9]{4}){1,2}$/.test(hex)) {
return {
r: hex.charAt(0) + hex.charAt(0),
g: hex.charAt(1) + hex.charAt(1),
b: hex.charAt(2) + hex.charAt(2),
a: hex.charAt(3) + hex.charAt(3),
rgb: false,
rgba: true,
};
} else if (8 === hex.length && /^([A-Fa-f0-9]{4}){1,2}$/.test(hex)) {
return {
r: hex.substring(0, 2),
g: hex.substring(2, 4),
b: hex.substring(4, 6),
a: hex.substring(6, 8),
rgb: false,
rgba: true,
};
} else {
throw new Error(`#${hex} is not a convertible hex value`);
}
}
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