From d504a5ec78a2995c38c2f8bc7e58b1796f91c851 Mon Sep 17 00:00:00 2001
From: Noeri Huisman <8823461+mrxz@users.noreply.github.com>
Date: Wed, 20 May 2026 14:07:04 +0200
Subject: [PATCH 1/2] Add build:wasm command to README instructions and check
 spark(-worker)-rs presence

---
 README.md      |  4 +++-
 package.json   |  1 -
 vite.config.ts | 20 ++++++++++++++++++++
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index ff339943..77c7d596 100644
--- a/README.md
+++ b/README.md
@@ -113,9 +113,10 @@ Install [Rust](https://www.rust-lang.org/tools/install) if it's not already inst
 Next, build Spark by running:
 ```
 npm install
+npm run build:wasm
 npm run build
 ```
-This will first build the Rust Wasm component (can be invoked via `npm run build:wasm`), then Spark itself (`npm run build`).
+This will first build the Rust Wasm component (`npm run build:wasm`), then Spark itself (`npm run build`).
 
 The examples fetch assets from a remote URL. This step is optional, but offline development and faster loading times are possible if you download and cache the assets files locally with the following command:
 ```
@@ -136,6 +137,7 @@ First try cleaning all the build files and re-building everything:
 ```
 npm run clean
 npm install
+npm run build:wasm
 npm run build
 ```
 
diff --git a/package.json b/package.json
index 814beb5a..7c461bf6 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,6 @@
     "lint": "biome check .",
     "lint:fix": "biome check . --fix",
     "lint:summary": "biome check --reporter=summary",
-    "prepare": "npm run build:wasm",
     "site:build:relativeurls": "npm run build && npm run site:clean && node scripts/copy-site-files.js && mkdocs build && node scripts/rename-assets-to-static.js && node scripts/replace-urls.js",
     "site:build": "npm run build && npm run site:clean && node scripts/copy-site-files.js && mkdocs build && node scripts/rename-assets-to-static.js",
     "site:clean": "node scripts/clean-site-files.js && node scripts/clean-site.js",
diff --git a/vite.config.ts b/vite.config.ts
index 55ff9fd6..062763ff 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -49,6 +49,26 @@ function fixWasmDataUrl(): Plugin {
   };
 }
 
+const sparkRsDirectory = "rust/spark-rs/pkg";
+const sparkWorkerRsDirectory = "rust/spark-worker-rs/pkg";
+if (
+  ![sparkRsDirectory, sparkWorkerRsDirectory].every((dir) => fs.existsSync(dir))
+) {
+  console.error(
+    "\x1b[31m************************************************************************\x1b[0m",
+  );
+  console.error(
+    "\x1b[31m Rust Wasm components not found, make sure to build them first.\x1b[0m",
+  );
+  console.error(
+    "\x1b[31m Install Rust and run:\x1b[1m npm run build:wasm\x1b[0m",
+  );
+  console.error(
+    "\x1b[31m************************************************************************\x1b[0m",
+  );
+  process.exit(1);
+}
+
 const assetsDirectory = "examples/assets";
 const localAssetsDirectoryExist = fs.existsSync(assetsDirectory);
 if (!localAssetsDirectoryExist) {

From 5ee936226b0f9a4248353cdbc79e1a0d24b0ef56 Mon Sep 17 00:00:00 2001
From: Noeri Huisman <8823461+mrxz@users.noreply.github.com>
Date: Wed, 20 May 2026 14:07:26 +0200
Subject: [PATCH 2/2] Exclude entire rust directory from biome

---
 biome.json | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/biome.json b/biome.json
index 5cf84944..28c30a89 100644
--- a/biome.json
+++ b/biome.json
@@ -12,11 +12,7 @@
       "examples/assets/",
       "examples/showcase/hello-gsplat",
       "examples/js",
-      "rust/target",
-      "rust/javascript",
-      "rust/spark-worker-rs/pkg",
-      "rust/spark-rs/pkg",
-      "src/vrButton.ts",
+      "rust",
       "site",
       "site-repo",
       "docs",