Add env option to skip building front-end Slow build.rs / rust analyzer #913

Author: Polleps

.vscode/settings.json

@@ -8,7 +8,7 @@
     "**/node_modules": true,
     "**/build": true,
     "**/coverage": true,
-    "**/dist": true,
+    "**/dist": true
   },
   "eslint.validate": [
     "javascript",
@@ -32,5 +32,10 @@
     "./svelte"
   ],
   "typescript.preferences.preferTypeOnlyAutoImports": true,
-  "rustTestExplorer.rootCargoManifestFilePath": "./Cargo.toml"
+  "rustTestExplorer.rootCargoManifestFilePath": "./Cargo.toml",
+  // This won't work in multi-root workspaces, could be fixed by using a rust-analyzer.toml once there is some more documentation on that.
+  // For now you need to set this in your own vscode settings file.
+  "rust-analyzer.cargo.extraEnv": {
+    "ATOMICSERVER_SKIP_JS_BUILD": "true"
+  }
 }

server/build.rs

@@ -20,6 +20,15 @@ struct Dirs {
 fn main() -> std::io::Result<()> {
     // Uncomment this line if you want faster builds during development
     // return Ok(());
+
+    // If the ATOMICSERVER_SKIP_JS_BUILD environment variable is set, skip the JS build
+    if let Ok(env_skip) = std::env::var("ATOMICSERVER_SKIP_JS_BUILD") {
+        if env_skip == "true" {
+            p!("ATOMICSERVER_SKIP_JS_BUILD is set, skipping JS build.");
+            return Ok(());
+        }
+    }
+
     const BROWSER_ROOT: &str = "../browser/";
     let dirs: Dirs = {
         Dirs {