Function checkIdeConnection

src/utils/ide.ts:423–454

* Checks if the IDE connection is responding by testing if the port is open * @param host Host to connect to * @param port Port to connect to * @param timeout Optional timeout in milliseconds (defaults to 500ms) * @returns true if the port is open, false otherwise

(
  host: string,
  port: number,
  timeout = 500,
)

 * @returns true if the port is open, false otherwise
 */
async function checkIdeConnection(
  host: string,
  port: number,
  timeout = 500,
): Promise<boolean> {
  try {
    return new Promise(resolve => {
      const socket = createConnection({
        host: host,
        port: port,
        timeout: timeout,
      })

      socket.on('connect', () => {
        socket.destroy()
        void resolve(true)
      })

      socket.on('error', () => {
        void resolve(false)
      })

      socket.on('timeout', () => {
        socket.destroy()
        void resolve(false)
      })
    })
  } catch (_) {
    // Invalid URL or other errors
    return false
  }
}

/**
 * Resolve the Windows USERPROFILE path. WSL often doesn't pass USERPROFILE