feat(windows, linux): add WebviewWindowBuilder/WebviewBuilder::extensions_path (#11628)

.changes/extension-path.md

@@ -0,0 +1,7 @@
+---
+"tauri": "minor:feat"
+"tauri-runtime": "minor:feat"
+"tauri-runtime-wry": "minor:feat"
+---
+
+Add `WebviewWindowBuilder/WebviewBuilder::extensions_path` on Linux and Windows.

crates/tauri-runtime-wry/src/lib.rs

@@ -4283,6 +4283,20 @@ fn create_webview<T: UserEvent>(
       .with_browser_extensions_enabled(webview_attributes.browser_extensions_enabled);
   }
 
+  #[cfg(any(
+    windows,
+    target_os = "linux",
+    target_os = "dragonfly",
+    target_os = "freebsd",
+    target_os = "netbsd",
+    target_os = "openbsd"
+  ))]
+  {
+    if let Some(path) = &webview_attributes.extensions_path {
+      webview_builder = webview_builder.with_extension_path(path);
+    }
+  }
+
   webview_builder = webview_builder.with_ipc_handler(create_ipc_handler(
     kind,
     window_id.clone(),

crates/tauri-runtime/src/webview.rs

@@ -210,6 +210,7 @@ pub struct WebviewAttributes {
   pub proxy_url: Option<Url>,
   pub zoom_hotkeys_enabled: bool,
   pub browser_extensions_enabled: bool,
+  pub extensions_path: Option<PathBuf>,
   pub use_https_scheme: bool,
   pub devtools: Option<bool>,
   pub background_color: Option<Color>,
@@ -272,6 +273,7 @@ impl WebviewAttributes {
       proxy_url: None,
       zoom_hotkeys_enabled: false,
       browser_extensions_enabled: false,
+      extensions_path: None,
       use_https_scheme: false,
       devtools: None,
       background_color: None,

crates/tauri/src/webview/mod.rs

@@ -42,7 +42,7 @@ use crate::{
 use std::{
   borrow::Cow,
   hash::{Hash, Hasher},
-  path::PathBuf,
+  path::{Path, PathBuf},
   sync::{Arc, Mutex, MutexGuard},
 };
 
@@ -802,6 +802,18 @@ fn main() {
     self
   }
 
+  /// Set the path from which to load extensions from. Extensions stored in this path should be unpacked Chrome extensions on Windows, and compiled `.so` extensions on Linux.
+  ///
+  /// ## Platform-specific:
+  ///
+  /// - **Windows**: Browser extensions must first be enabled. See [`browser_extensions_enabled`](Self::browser_extensions_enabled)
+  /// - **MacOS / iOS / Android** - Unsupported.
+  #[must_use]
+  pub fn extensions_path(mut self, path: impl AsRef<Path>) -> Self {
+    self.webview_attributes.extensions_path = Some(path.as_ref().to_path_buf());
+    self
+  }
+
   /// Sets whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android. Defaults to `false`.
   ///
   /// ## Note

crates/tauri/src/webview/webview_window.rs

@@ -6,7 +6,7 @@
 
 use std::{
   borrow::Cow,
-  path::PathBuf,
+  path::{Path, PathBuf},
   sync::{Arc, MutexGuard},
 };
 
@@ -906,6 +906,18 @@ impl<'a, R: Runtime, M: Manager<R>> WebviewWindowBuilder<'a, R, M> {
     self
   }
 
+  /// Set the path from which to load extensions from. Extensions stored in this path should be unpacked Chrome extensions on Windows, and compiled `.so` extensions on Linux.
+  ///
+  /// ## Platform-specific:
+  ///
+  /// - **Windows**: Browser extensions must first be enabled. See [`browser_extensions_enabled`](Self::browser_extensions_enabled)
+  /// - **MacOS / iOS / Android** - Unsupported.
+  #[must_use]
+  pub fn extensions_path(mut self, path: impl AsRef<Path>) -> Self {
+    self.webview_builder = self.webview_builder.extensions_path(path);
+    self
+  }
+
   /// Sets whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android. Defaults to `false`.
   ///
   /// ## Note