Call remote Go methods directly from TypeScript through WebSocket.
Try yourself:
go run github.com/discoverkl/gots-examples/helloworld@v0.1.5Source code:
package main
import (
"bufio"
"embed"
"errors"
"fmt"
"io"
"log"
"os"
"github.com/discoverkl/gots/ui"
)
//go:embed index.html
var www embed.FS
func add(a, b int) int {
return a + b
}
func main() {
app := ui.New(
ui.Mode(promptRunMod()),
ui.Root(www),
ui.OnlineAddr(":8000"),
)
app.BindFunc("add", add)
app.Run()
}
func promptRunMod() string {
for {
fmt.Print(promptText)
ch, _, err := bufio.NewReader(os.Stdin).ReadRune()
if err != nil {
if errors.Is(err, io.EOF) {
fmt.Println()
os.Exit(0)
}
log.Fatal(err)
}
switch ch {
case '1', 10:
return "app"
case '2':
return "page"
case '3':
return "online"
case 'q':
default:
os.Exit(0)
}
}
}
const promptText = `
*** Commands ***
1: LocalApp - start a local web server, open its' serving url within a native app
2: LocalPage - start a local web server, open its' serving url with your default web browser
3: Online - run a online web server
Please enter (1-3)? `<!DOCTYPE html>
<html>
<head><title>Go and TypeScript</title></head>
<body style="overflow: hidden;">
<h1>Hello World!</h1>
<p style="font-size: 40px;" id="sum"></span>
<!-- Step 1: export Gots to window object -->
<script src="https://cdn.jsdelivr.net/npm/ts2go@1.0.0/ts2go.js"></script>
<script>
function rand() {
return Math.floor(Math.random() * 100);
}
async function main() {
// Step 2: create a rpc client
const api = await Gots.getapi()
// Step 3: call remote go function: add
let a = rand(), b = rand();
document.getElementById("sum").innerText = a + " + " + b + " = " + await api.add(a, b)
}
main()
</script>
</body>
</html>