property Socket.prototype.connecting
Usage in Deno
```typescript import { Socket } from "node:node__net.d.ts"; ```If `true`, `socket.connect(options[, connectListener])` was
called and has not yet finished. It will stay `true` until the socket becomes
connected, then it is set to `false` and the `'connect'` event is emitted. Note
that the `socket.connect(options[, connectListener])` callback is a listener for the `'connect'` event.
boolean