refactor(core): make `zstd` optional enabled by default (#3133)

core/tauri-codegen/Cargo.toml

@@ -21,6 +21,10 @@ serde_json = "1"
 tauri-utils = { version = "1.0.0-beta.3", path = "../tauri-utils", features = [ "build" ] }
 thiserror = "1"
 walkdir = "2"
-zstd = "0.9"
+zstd = { version = "0.9", optional = true }
 kuchiki = "0.8"
 regex = "1"
+
+[features]
+default = [ "compression" ]
+compression = [ "zstd", "tauri-utils/compression" ]

core/tauri-codegen/src/embedded_assets.rs

@@ -155,6 +155,7 @@ impl EmbeddedAssets {
   }
 
   /// Use highest compression level for release, the fastest one for everything else
+  #[cfg(feature = "compression")]
   fn compression_level() -> i32 {
     let levels = zstd::compression_level_range();
     if cfg!(debug_assertions) {
@@ -259,11 +260,25 @@ impl EmbeddedAssets {
 
     // only compress and write to the file if it doesn't already exist.
     if !out_path.exists() {
-      let out_file = File::create(&out_path).map_err(|error| EmbeddedAssetsError::AssetWrite {
-        path: out_path.clone(),
-        error,
-      })?;
+      #[allow(unused_mut)]
+      let mut out_file =
+        File::create(&out_path).map_err(|error| EmbeddedAssetsError::AssetWrite {
+          path: out_path.clone(),
+          error,
+        })?;
+
+      #[cfg(not(feature = "compression"))]
+      {
+        use std::io::Write;
+        out_file
+          .write_all(&input)
+          .map_err(|error| EmbeddedAssetsError::AssetWrite {
+            path: path.to_owned(),
+            error,
+          })?;
+      }
 
+      #[cfg(feature = "compression")]
       // entirely write input to the output file path with compression
       zstd::stream::copy_encode(&*input, out_file, Self::compression_level()).map_err(|error| {
         EmbeddedAssetsError::AssetWrite {

core/tauri-macros/Cargo.toml

@@ -19,7 +19,8 @@ proc-macro = true
 proc-macro2 = "1"
 quote = "1"
 syn = { version = "1", features = [ "full" ] }
-tauri-codegen = { version = "1.0.0-beta.4", path = "../tauri-codegen" }
+tauri-codegen = { version = "1.0.0-beta.4", default-features = false, path = "../tauri-codegen" }
 
 [features]
 custom-protocol = [ ]
+compression = [ "tauri-codegen/compression" ]

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

@@ -28,10 +28,7 @@ use tauri_runtime::{SystemTray, SystemTrayEvent};
 #[cfg(windows)]
 use webview2_com::FocusChangedEventHandler;
 #[cfg(windows)]
-use windows::Win32::{
-    Foundation::HWND,
-    System::WinRT::EventRegistrationToken,
-};
+use windows::Win32::{Foundation::HWND, System::WinRT::EventRegistrationToken};
 #[cfg(all(feature = "system-tray", target_os = "macos"))]
 use wry::application::platform::macos::{SystemTrayBuilderExtMacOS, SystemTrayExtMacOS};
 #[cfg(target_os = "linux")]

core/tauri-utils/Cargo.toml

@@ -16,7 +16,7 @@ serde = { version = "1.0", features = [ "derive" ] }
 serde_json = "1.0"
 thiserror = "1.0.30"
 phf = { version = "0.10", features = [ "macros" ] }
-zstd = "0.9"
+zstd = { version = "0.9", optional = true }
 url = { version = "2.2", features = [ "serde" ] }
 kuchiki = "0.8"
 html5ever = "0.25"
@@ -28,3 +28,4 @@ heck = "0.4"
 
 [features]
 build = [ "proc-macro2", "quote" ]
+compression = [ "zstd" ]

core/tauri-utils/src/assets.rs

@@ -94,6 +94,7 @@ impl EmbeddedAssets {
 }
 
 impl Assets for EmbeddedAssets {
+  #[cfg(feature = "compression")]
   fn get(&self, key: &AssetKey) -> Option<Cow<'_, [u8]>> {
     self
       .0
@@ -103,4 +104,13 @@ impl Assets for EmbeddedAssets {
       .and_then(Result::ok)
       .map(Cow::Owned)
   }
+
+  #[cfg(not(feature = "compression"))]
+  fn get(&self, key: &AssetKey) -> Option<Cow<'_, [u8]>> {
+    self
+      .0
+      .get(key.as_ref())
+      .copied()
+      .map(|a| Cow::Owned(a.to_vec()))
+  }
 }

core/tauri/Cargo.toml

@@ -19,7 +19,8 @@ exclude = [
 readme = "README.md"
 
 [package.metadata.docs.rs]
-all-features = true
+default-features = false
+features = ["wry", "custom-protocol", "api-all", "cli", "updater", "system-tray", "dox"]
 rustdoc-args = [ "--cfg", "doc_cfg" ]
 default-target = "x86_64-unknown-linux-gnu"
 targets = [
@@ -95,7 +96,8 @@ tokio = { version = "1.15", features = [ "full" ] }
 mockito = "0.30"
 
 [features]
-default = [ "wry" ]
+default = [ "wry", "compression" ]
+compression = [ "tauri-macros/compression", "tauri-utils/compression" ]
 dox = [ "tauri-runtime-wry/dox" ]
 wry = [ "tauri-runtime-wry" ]
 cli = [ "clap" ]