build: Add human friendly message if yarn is not installed

Signed-off-by: Patrick José Pereira <[email protected]>
mavlink · Nov 17, 2023 · 2af241b · 2af241b
1 parent 92eff2e
commit 2af241b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/build.rs b/build.rs
@@ -90,6 +90,10 @@ fn build_with_yarn() {
     // Build with YARN
     let frontend_dir = Path::new("./src/stream/webrtc/frontend");
     frontend_dir.try_exists().unwrap();
+    Command::new("yarn")
+        .args(["--version"])
+        .status()
+        .expect("Failed to build frontend, `yarn` appears to be not installed.");
     Command::new("yarn")
         .args(["install"])
         .current_dir(frontend_dir)