Question 59363 in Telegram API Question posted in
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Method or event which close telegram web app – Telegram API

I make telegram web app using React Js.
I need method which closed telegram web app and returned to chat.
I found info that there is method close in window.Telegram.WebApp. But it’s undefined when I consoled. And this method doesn’t work.
Even console.log(window) return nothing in telegram web app

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3

Answers


  1. Chosen as BEST ANSWER
    0

    The problem was in global params in TS Need to declare

    declare global {
  interface Window {
    Telegram: {
      WebApp: {
        close: () => void;
      }
    };
  }
}

  2. 0

    To make Telegram object appear in global window object, you have to append Telegram’s script in your <head/> tag. You can find official mention about it here.

    Nevertheless, I don’t recommend usage of Telegram’s script as long as its code is recognized as not optimal and probably vulnerable. To avoid known problems, you can use up-to-date TypeScript libraries, such as twa-sdk or twa-bridge.

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  3. 0 
    <script>
Telegram.WebApp.MainButton
        .setText('CLOSE WEBVIEW')
        .show()
        .onClick(function(){ webviewClose(); });
</script>

    <div id="buttons" style="margin-top:100px;">          
<button onclick="webviewClose();">Close</button>
</div>
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