From 3a0465773050d0ce8319cc4a2276f688d72e7635 Mon Sep 17 00:00:00 2001
From: Marshall Bowers <git@maxdeviant.com>
Date: Tue, 12 Aug 2025 14:24:25 -0400
Subject: [PATCH] emmet: Add workaround for leading `/` on Windows paths
 (#36064)

This PR adds a workaround for the leading `/` on Windows paths
(https://github.com/zed-industries/zed/issues/20559).

Release Notes:

- N/A
---
 extensions/emmet/src/emmet.rs | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/extensions/emmet/src/emmet.rs b/extensions/emmet/src/emmet.rs
index 83fe809c34..e4fb3cf814 100644
--- a/extensions/emmet/src/emmet.rs
+++ b/extensions/emmet/src/emmet.rs
@@ -70,8 +70,7 @@ impl zed::Extension for EmmetExtension {
         Ok(zed::Command {
             command: zed::node_binary_path()?,
             args: vec![
-                env::current_dir()
-                    .unwrap()
+                zed_ext::sanitize_windows_path(env::current_dir().unwrap())
                     .join(&server_path)
                     .to_string_lossy()
                     .to_string(),
@@ -83,3 +82,25 @@ impl zed::Extension for EmmetExtension {
 }
 
 zed::register_extension!(EmmetExtension);
+
+/// Extensions to the Zed extension API that have not yet stabilized.
+mod zed_ext {
+    /// Sanitizes the given path to remove the leading `/` on Windows.
+    ///
+    /// On macOS and Linux this is a no-op.
+    ///
+    /// This is a workaround for https://github.com/bytecodealliance/wasmtime/issues/10415.
+    pub fn sanitize_windows_path(path: std::path::PathBuf) -> std::path::PathBuf {
+        use zed_extension_api::{Os, current_platform};
+
+        let (os, _arch) = current_platform();
+        match os {
+            Os::Mac | Os::Linux => path,
+            Os::Windows => path
+                .to_string_lossy()
+                .to_string()
+                .trim_start_matches('/')
+                .into(),
+        }
+    }
+}