wrap tauri's .plugin() into platform and os specific functions like .windows_plugin()

enhance_tauri_plugin.rs

pub trait EnhancePlugin<R: tauri::Runtime> {
    fn plugin_windows<P: tauri::plugin::Plugin<R> + 'static>(self, plugin: P) -> Self;
    fn plugin_linux<P: tauri::plugin::Plugin<R> + 'static>(self, plugin: P) -> Self;
    fn plugin_macos<P: tauri::plugin::Plugin<R> + 'static>(self, plugin: P) -> Self;
    fn plugin_android<P: tauri::plugin::Plugin<R> + 'static>(self, plugin: P) -> Self;
    fn plugin_ios<P: tauri::plugin::Plugin<R> + 'static>(self, plugin: P) -> Self;
    fn plugin_desktop<P: tauri::plugin::Plugin<R> + 'static>(self, plugin: P) -> Self;
    fn plugin_mobile<P: tauri::plugin::Plugin<R> + 'static>(self, plugin: P) -> Self;
}

impl<R: tauri::Runtime> EnhancePlugin<R> for tauri::Builder<R> {
  /// same behavior like `.plugin()` but skips on non windows builds
  fn plugin_windows<P: tauri::plugin::Plugin<R> + 'static>(self, #[allow(unused)] plugin: P) -> Self {
    #[cfg(target_os = "windows")]
    return self.plugin(plugin);
    #[cfg(not(target_os = "windows"))]
    self
  }
  /// same behavior like `.plugin()` but skips on non linux builds
  fn plugin_linux<P: tauri::plugin::Plugin<R> + 'static>(self, #[allow(unused)] plugin: P) -> Self {
    #[cfg(any(
      target_os = "linux",
      target_os = "dragonfly",
      target_os = "freebsd",
      target_os = "netbsd",
      target_os = "openbsd"
    ))]
    return self.plugin(plugin);
    #[cfg(not(any(
      target_os = "linux",
      target_os = "dragonfly",
      target_os = "freebsd",
      target_os = "netbsd",
      target_os = "openbsd"
    )))]
    self
  }
  /// same behavior like `.plugin()` but skips on non macos builds
  fn plugin_macos<P: tauri::plugin::Plugin<R> + 'static>(self, #[allow(unused)] plugin: P) -> Self {
    #[cfg(target_os = "macos")]
    return self.plugin(plugin);
    #[cfg(not(target_os = "macos"))]
    self
  }
  /// same behavior like `.plugin()` but skips on non android builds
  fn plugin_android<P: tauri::plugin::Plugin<R> + 'static>(self, #[allow(unused)] plugin: P) -> Self {
    #[cfg(target_os = "android")]
    return self.plugin(plugin);
    #[cfg(not(target_os = "android"))]
    self
  }
  /// same behavior like `.plugin()` but skips on non ios builds
  fn plugin_ios<P: tauri::plugin::Plugin<R> + 'static>(self, #[allow(unused)] plugin: P) -> Self {
    #[cfg(target_os = "ios")]
    return self.plugin(plugin);
    #[cfg(not(target_os = "ios"))]
    self
  }
  /// same behavior like `.plugin()` but skips on non desktop builds and ignores `target_os`
  fn plugin_desktop<P: tauri::plugin::Plugin<R> + 'static>(self, #[allow(unused)] plugin: P) -> Self {
    #[cfg(desktop)]
    return self.plugin(plugin);
    #[cfg(not(desktop))]
    self
  }
  /// same behavior like `.plugin()` but skips on non mobile builds and ignores `target_os`
  fn plugin_mobile<P: tauri::plugin::Plugin<R> + 'static>(self, #[allow(unused)] plugin: P) -> Self {
    #[cfg(mobile)]
    return self.plugin(plugin);
    #[cfg(not(mobile))]
    self
  }
}