Try to add Sass support

src/assets/dioxus.toml

@@ -43,3 +43,6 @@ script = []
 # use binaryen.wasm-opt for output Wasm file
 # binaryen just will trigger in `web` platform
 binaryen = { wasm_opt = true }
+
+# use sass auto will auto check sass file and build it.
+sass = { auto = true }

src/tools.rs

@@ -13,10 +13,11 @@ use tokio::io::AsyncWriteExt;
 #[derive(Debug, PartialEq, Eq)]
 pub enum Tool {
     Binaryen,
+    Sass,
 }
 
 pub fn tool_list() -> Vec<&'static str> {
-    vec!["binaryen"]
+    vec!["binaryen", "sass"]
 }
 
 pub fn app_path() -> PathBuf {
@@ -60,6 +61,7 @@ impl Tool {
     pub fn name(&self) -> &str {
         match self {
             Self::Binaryen => "binaryen",
+            Self::Sass => "sass",
         }
     }
 
@@ -67,6 +69,7 @@ impl Tool {
     pub fn bin_path(&self) -> &str {
         match self {
             Self::Binaryen => "bin",
+            Self::Sass => ".",
         }
     }
 
@@ -84,6 +87,17 @@ impl Tool {
                     panic!("unsupported platformm");
                 }
             }
+            Self::Sass => {
+                if cfg!(target_os = "windows") {
+                    "windows"
+                } else if cfg!(target_os = "macos") {
+                    "macos"
+                } else if cfg!(target_os = "linux") {
+                    "linux"
+                } else {
+                    panic!("unsupported platformm");
+                }
+            }
         }
     }
 
@@ -96,6 +110,12 @@ impl Tool {
                     target = self.target_platform()
                 )
             }
+            Self::Sass => {
+                format!(
+                    "https://github.com/sass/dart-sass/releases/download/1.51.0/dart-sass-1.51.0-{target}-x64.tar.gz",
+                    target = self.target_platform()
+                )
+            }
         }
     }
 
@@ -103,6 +123,13 @@ impl Tool {
     pub fn extension(&self) -> &str {
         match self {
             Self::Binaryen => "tar.gz",
+            Self::Sass => {
+                if cfg!(target_os = "windows") {
+                    "zip"
+                } else {
+                    "tar.ge"
+                }
+            },
         }
     }
 
@@ -169,6 +196,9 @@ impl Tool {
                     command.to_string()
                 }
             }
+            Tool::Sass => {
+                command.to_string()
+            }
         };
 
         if !bin_path.join(&command_file).is_file() {