🐛 Fix showPopupParams, upgrade PopupButton

src/index.d.ts

@@ -1,3 +1,42 @@
+interface BasePopupButton {
+  /**
+   * Identifier of the button, 0-64 characters. Set to empty string by
+   * default.
+   *
+   * If the button is pressed, its *id* is returned in the callback and the
+   * *popupClosed* event.
+   */
+  id?: string
+}
+
+interface DefaultDestructivePopupButton extends BasePopupButton {
+  /**
+   * Type of the button. Set to *default* by default.
+   *
+   * Can be one of these values:
+   * - *default*, a button with the default style,
+   * - *destructive*, a button with a style that indicates a destructive action (e.g.
+   * “Remove”, “Delete”, etc.).
+   */
+  type?: 'default' | 'destructive'
+  /**
+   * The text to be displayed on the button, 0-64 characters.
+   */
+  text: string
+}
+
+interface OkCloseCancelPopupButton extends BasePopupButton {
+  /**
+   * Type of the button.
+   *
+   * Can be one of these values:
+   * - *ok*, a button with the localized text “OK”,
+   * - *close*, a button with the localized text “Close”,
+   * - *cancel*, a button with the localized text “Cancel”.
+   */
+  type: 'ok' | 'close' | 'cancel'
+}
+
 export declare namespace TelegramWebApps {
   /**
    * To connect your Web App to the Telegram client, place the script telegram-web-app.js
@@ -312,7 +351,7 @@ export declare namespace TelegramWebApps {
      * *callback* function will be called and the field *id* of the pressed button will be
      * passed as the first argument.
      */
-    showPopup(params: PopupParams, callback?: PopupClosedEventHandler): void
+    showPopup(params: PopupParams, callback?: (id: string) => void): void
     /**
      * `Bot API 6.2+` A method that shows *message* in a simple alert with a 'Close'
      * button. If an optional *callback* parameter was passed, the *callback* function
@@ -456,33 +495,7 @@ export declare namespace TelegramWebApps {
   /**
    * This object describes the native popup button.
    */
-  interface PopupButton {
-    /**
-     * Identifier of the button, 0-64 characters. Set to empty string by
-     * default.
-     *
-     * If the button is pressed, its *id* is returned in the callback and the
-     * *popupClosed* event.
-     */
-    id?: string
-    /**
-     * Type of the button. Set to *default* by default.
-     *
-     * Can be one of these values:
-     * - *default*, a button with the default style,
-     * - *ok*, a button with the localized text “OK”,
-     * - *close*, a button with the localized text “Close”,
-     * - *cancel*, a button with the localized text “Cancel”,
-     * - *destructive*, a button with a style that indicates a destructive action (e.g.
-     * “Remove”, “Delete”, etc.).
-     */
-    type?: 'default' | 'ok' | 'close' | 'cancel' | 'destructive'
-    /**
-     * The text to be displayed on the button, 0-64 characters. Required if
-     * *type* is *default* or *destructive*. Irrelevant for other types.
-     */
-    text?: string
-  }
+  type PopupButton = DefaultDestructivePopupButton | OkCloseCancelPopupButton
 
   /**
    * This object controls the back button, which can be displayed in the header of the Web