fix(fs): support any UTF-8 path in writeFile (#1640)

* In the `writeFile` function, when `options.baseDir` is not set, convert `path` to URL to avoid errors caused by Chinese characters.

* fmt

* use TextEncoder

* use percent encoding

* add change file

* fmt

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.studio>

.changes/fs-write-file-utf8-chars.md

@@ -0,0 +1,5 @@
+---
+"fs": patch
+---
+
+Support any UTF-8 character in the writeFile API.

plugins/fs/Cargo.toml

@@ -31,6 +31,7 @@ glob = "0.3"
 notify = { version = "6", optional = true, features = ["serde"] }
 notify-debouncer-full = { version = "0.3", optional = true }
 dunce = { workspace = true }
+percent-encoding = "2"
 
 [features]
 watch = ["notify", "notify-debouncer-full"]

plugins/fs/guest-js/index.ts

@@ -1015,7 +1015,7 @@ async function writeFile(
 
   await invoke('plugin:fs|write_file', data, {
     headers: {
-      path: path instanceof URL ? path.toString() : path,
+      path: encodeURIComponent(path instanceof URL ? path.toString() : path),
       options: JSON.stringify(options)
     }
   })

plugins/fs/src/commands.rs

@@ -855,10 +855,11 @@ pub async fn write_file<R: Runtime>(
         .get("path")
         .ok_or_else(|| anyhow::anyhow!("missing file path").into())
         .and_then(|p| {
-            p.to_str()
-                .map_err(|e| anyhow::anyhow!("invalid path: {e}").into())
+            percent_encoding::percent_decode(p.as_ref())
+                .decode_utf8()
+                .map_err(|_| anyhow::anyhow!("path is not a valid UTF-8").into())
         })
-        .and_then(|p| SafeFilePath::from_str(p).map_err(CommandError::from))?;
+        .and_then(|p| SafeFilePath::from_str(&p).map_err(CommandError::from))?;
     let options = request
         .headers()
         .get("options")