```ts
export function parseSemver(version: string): { major: number; minor: number; patch: number; prerelease: string | null; build: string | null } {
    const semverRegex = /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(-(0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(\.(0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*)?(\+(0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(\.(0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*)?$/;
    const match = version.match(semverRegex);
    if (!match) {
        throw new Error('Invalid input');
    }
    return {
        major: parseInt(match[1]),
        minor: parseInt(match[2]),
        patch: parseInt(match[3]),
        prerelease: match[5] ?? null,
        build: match[8] ?? null,
    };
}
```