@e280/authlocal/x/common/utils/id-hue.js

User-sovereign login system for everybody

import { Hex } from "@e280/stz";
/** derive a hue (integer 0-359) from a hex id */
export function idHue(id, byteIndex = -1) {
    const bytes = Hex.bytes(id);
    const x = bytes.at(byteIndex);
    if (x === undefined)
        throw new Error(`id didn't have byte at ${byteIndex}`);
    return Math.floor((x / 255) * 359);
}
/** derive an hsl color from a hex id */
export function idHsl(id, byteIndex = -1) {
    return `hsl(${idHue(id, byteIndex)}deg, 100%, 75%)`;
}
//# sourceMappingURL=id-hue.js.map