Wired up a pty

main.go

@@ -1,25 +1,56 @@
 package main
 
 import (
+	"encoding/json"
+	"fmt"
 	"io/ioutil"
+	"os/exec"
 	"time"
 
+	"github.com/creack/pty"
 	"github.com/webview/webview"
 )
 
+type PtyOutEvent struct {
+	Result string `json:"result"`
+}
+
 func main() {
+	c := exec.Command("bash")
+	p, _ := pty.Start(c)
+
 	w := webview.New(true)
 	defer w.Destroy()
-	w.SetTitle("Basic Example")
+
+	w.SetTitle("Ratatouille")
 	w.SetSize(480, 320, webview.HintNone)
 
 	b, _ := ioutil.ReadFile("frontend/dist/index.html")
 	w.SetHtml(string(b))
 
+	w.Bind("__WRITE_PTY", func(command string) {
+		p.WriteString(command + "\n")
+	})
+
 	go func() {
 		for {
-			time.Sleep(2 * time.Second)
-			w.Eval(`window.__WRITE_TERMINAL('PONG!\r\n');`)
+			buf := make([]byte, 1024)
+			n, _ := p.Read(buf)
+			if n == 0 {
+				continue
+			}
+
+			result := string(buf)
+			event := PtyOutEvent{Result: result[:n]}
+			payload, err := json.Marshal(event)
+			if err != nil {
+				fmt.Println("Whoopsie", err)
+				continue
+			}
+
+			fn := fmt.Sprintf(`window.__WRITE_TERMINAL(%s);`, string(payload))
+			w.Eval(fn)
+			time.Sleep(200 * time.Millisecond)
 		}
 	}()