netris-nestri/apps/nexus/src/utils/create-avatar.tsx

export const createAvatarSvg = (size: number, gradient: { fromColor: string, toColor: string }, fileType?: string, text?: string) => (
    <svg
        width={size}
        height={size}
        viewBox={`0 0 ${size} ${size}`}
        version="1.1"
        xmlns="http://www.w3.org/2000/svg"
    >
        <g>
            <defs>
                <linearGradient id="gradient" x1="0" y1="0" x2="1" y2="1">
                    <stop offset="0%" stopColor={gradient.fromColor} />
                    <stop offset="100%" stopColor={gradient.toColor} />
                </linearGradient>
            </defs>
            <rect fill="url(#gradient)" x="0" y="0" width={size} height={size} />
            {fileType === "svg" && text && (
                <text
                    x="50%"
                    y="50%"
                    alignmentBaseline="central"
                    dominantBaseline="central"
                    textAnchor="middle"
                    fill="#fff"
                    fontFamily="sans-serif"
                    fontSize={(size * 0.9) / text.length}
                >
                    {text}
                </text>
            )}
        </g>
    </svg>
);