Function parseRpcPortFile

packages/plugin/src/shared/rpc-utils.ts:53–78

(content: string, fallbackPid = 0)

}

export function parseRpcPortFile(content: string, fallbackPid = 0): RpcPortFileRecord | null {
    const trimmed = content.trim();
    if (!trimmed) return null;

    if (trimmed.startsWith("{")) {
        try {
            const parsed = JSON.parse(trimmed) as Partial<RpcPortFileRecord>;
            const port = Number(parsed.port);
            const pid = Number(parsed.pid);
            const startedAt = Number(parsed.started_at);
            if (!isValidPort(port) || !Number.isInteger(pid) || pid <= 0) return null;
            return {
                port,
                pid,
                started_at: Number.isFinite(startedAt) ? startedAt : 0,
                token: typeof parsed.token === "string" ? parsed.token : undefined,
            };
        } catch {
            return null;
        }
    }

    const port = Number.parseInt(trimmed, 10);
    if (!isValidPort(port)) return null;
    return { port, pid: fallbackPid, started_at: 0 };
}

function isValidPort(port: number): boolean {
    return Number.isInteger(port) && port > 0 && port <= 65535;