Function onclose

cf/src/index.js:157–162

()

      max_lifetime: null,
      fetch_types: false,
      onclose() {
        Object.entries(listen.channels).forEach(([name, { listeners }]) => {
          delete listen.channels[name]
          Promise.all(listeners.map(l => listen(name, l.fn, l.onlisten).catch(() => { /* noop */ })))
        })
      },
      onnotify(c, x) {
        c in listen.channels && listen.channels[c].listeners.forEach(l => l.fn(x))
      }