1 files changed, 56 insertions, 0 deletions
diff --git a/examples/interfacer-telnet.js b/examples/interfacer-telnet.js
new file mode 100644
index 0000000..8cb804b
--- /dev/null
+++ b/examples/interfacer-telnet.js
@@ -0,0 +1,56 @@
+// Telnet demo:
+// - Basic telnet socket handling using the TelnetInterfacer
+// - Handling client's screen size
+// - Handling socket being closed by client
+// - Handling cleanly closing the socket by hand
+
+const net = require('net')
+const Root = require('../ui/Root')
+const TelnetInterfacer = require('../TelnetInterfacer')
+const AppElement = require('./basic-app')
+
+const server = new net.Server(socket => {
+  const interfacer = new TelnetInterfacer(socket)
+
+  interfacer.getScreenSize().then(size => {
+    const root = new Root(interfacer)
+    root.w = size.width
+    root.h = size.height
+
+    interfacer.on('screenSizeUpdated', newSize => {
+      root.w = newSize.width
+      root.h = newSize.height
+      root.fixAllLayout()
+    })
+
+    const appElement = new AppElement()
+    root.addChild(appElement)
+    root.select(appElement)
+
+    let closed = false
+
+    appElement.on('quitRequested', () => {
+      if (!closed) {
+        interfacer.cleanTelnetOptions()
+        socket.write('Goodbye!\n')
+        socket.end()
+        clearInterval(interval)
+        closed = true
+      }
+    })
+
+    socket.on('close', () => {
+      if (!closed) {
+        clearInterval(interval)
+        closed = true
+      }
+    })
+
+    const interval = setInterval(() => root.render(), 100)
+  }).catch(error => {
+    console.error(error)
+    process.exit(1)
+  })
+})
+
+server.listen(8008)