callstackincubator · dougg0k · Jul 25, 2025 · Jul 25, 2025 · Jul 25, 2025 · Jul 26, 2025
diff --git a/.changeset/many-pens-join.md b/.changeset/many-pens-join.md
@@ -0,0 +1,8 @@
+---
+"ferric-cli": minor
+"@react-native-node-api/test-app": minor
+---
+
+- Created `init` command to generate / scaffold the project.
+- Replacing `ferric-example` with `app-test`, scaffolding the project there.
+- Added `Cargo.toml` optimizations for size.
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
@@ -41,7 +41,6 @@ jobs:
       # Bootstrap host package to get weak-node-api and ferric-example to get types
       # TODO: Solve this by adding an option to ferric to build only types or by committing the types into the repo as a fixture for an "init" command
       - run: npm run bootstrap --workspace react-native-node-api
-      - run: npm run bootstrap --workspace @react-native-node-api/ferric-example
       - run: npm run lint
         env:
           DEBUG: eslint:eslint
@@ -152,9 +151,9 @@ jobs:
       - name: Build weak-node-api for all architectures
         run: npm run build-weak-node-api -- --android
         working-directory: packages/host
-      - name: Build ferric-example for all architectures
+      - name: Build lib_in_rust for android architectures
         run: npm run build -- --android
-        working-directory: packages/ferric-example
+        working-directory: apps/test-app/lib_in_rust
       - name: Run tests (Android)
         timeout-minutes: 75
         uses: reactivecircus/android-emulator-runner@v2

diff --git a/apps/test-app/App.tsx b/apps/test-app/App.tsx
@@ -23,14 +23,12 @@ type Context = {
   allTests?: boolean;
   nodeAddonExamples?: boolean;
   nodeTests?: boolean;
-  ferricExample?: boolean;
 };
 
 function loadTests({
   allTests = false,
   nodeAddonExamples = allTests,
   nodeTests = allTests,
-  ferricExample = allTests,
 }: Context) {
   describeIf(nodeAddonExamples, "Node Addon Examples", () => {
     for (const [suiteName, examples] of Object.entries(
@@ -67,18 +65,6 @@ function loadTests({
 
     registerTestSuite(nodeTestsSuites);
   });
-
-  describeIf(ferricExample, "ferric-example", () => {
-    it("exports a callable sum function", () => {
-      const exampleAddon =
-        /* eslint-disable-next-line @typescript-eslint/no-require-imports -- TODO: Determine why a dynamic import doesn't work on Android */
-        require("ferric-example") as typeof import("ferric-example");
-      const result = exampleAddon.sum(1, 3);
-      if (result !== 4) {
-        throw new Error(`Expected 1 + 3 to equal 4, but got ${result}`);
-      }
-    });
-  });
 }
 
 export default function App() {

diff --git a/apps/test-app/lib_in_rust/.gitignore b/apps/test-app/lib_in_rust/.gitignore
@@ -0,0 +1,8 @@
+target
+Cargo.lock
+
+*.xcframework/
+*.apple.node/
+*.android.node/
+
+dist
diff --git a/packages/ferric-example/Cargo.toml → apps/test-app/lib_in_rust/Cargo.toml b/packages/ferric-example/Cargo.toml → apps/test-app/lib_in_rust/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "ferric-example"
+name = "lib_in_rust"
 version = "1.0.0"
 edition = "2021"
 license = "MIT"
@@ -23,3 +23,5 @@ napi-build = "2"
 [profile.release]
 lto = true
 codegen-units = 1
+strip = "symbols"
+opt-level = "z"
diff --git a/packages/ferric-example/build.rs → apps/test-app/lib_in_rust/build.rs b/packages/ferric-example/build.rs → apps/test-app/lib_in_rust/build.rs
diff --git a/apps/test-app/lib_in_rust/package.json b/apps/test-app/lib_in_rust/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "lib_in_rust",
+  "private": true,
+  "version": "0.1.0",
+  "main": "dist/lib_in_rust.js",
+  "types": "dist/lib_in_rust.d.ts",
+  "scripts": {
+    "build": "ferric build",
+    "build:release": "npm run build -- --configuration release"
+  },
+  "devDependencies": {
+    "ferric-cli": "latest"
+  }
+}
diff --git a/packages/ferric-example/src/lib.rs → apps/test-app/lib_in_rust/src/lib.rs b/packages/ferric-example/src/lib.rs → apps/test-app/lib_in_rust/src/lib.rs
@@ -2,5 +2,5 @@ use napi_derive::napi;
 
 #[napi]
 pub fn sum(a: i32, b: i32) -> i32 {
-    a + b
+  a + b
 }
diff --git a/apps/test-app/package.json b/apps/test-app/package.json
@@ -15,8 +15,10 @@
     "test:ios": "mocha-remote --exit-on-error -- concurrently --passthrough-arguments --kill-others-on-fail npm:metro 'npm:ios -- {@}' --",
     "test:ios:allTests": "MOCHA_REMOTE_CONTEXT=allTests npm run test:ios -- ",
     "test:ios:nodeAddonExamples": "MOCHA_REMOTE_CONTEXT=nodeAddonExamples npm run test:ios -- ",
-    "test:ios:nodeTests": "MOCHA_REMOTE_CONTEXT=nodeTests npm run test:ios -- ",
-    "test:ios:ferricExample": "MOCHA_REMOTE_CONTEXT=ferricExample npm run test:ios -- "
+    "gen:rs": "ferric init lib_in_rust",
+    "build:rs": "ferric build --cwd lib_in_rust",
+    "build:rs:release": "npm run build:rs -- --configuration release",
+    "test:ios:nodeTests": "MOCHA_REMOTE_CONTEXT=nodeTests npm run test:ios -- "
   },
   "dependencies": {
     "@babel/core": "^7.26.10",
@@ -34,7 +36,7 @@
     "@types/mocha": "^10.0.10",
     "@types/react": "^19.0.0",
     "concurrently": "^9.1.2",
-    "ferric-example": "^0.1.0",
+    "ferric-cli": "*",
     "mocha": "^11.6.0",
     "mocha-remote-cli": "^1.13.2",
     "mocha-remote-react-native": "^1.13.2",

diff --git a/eslint.config.js b/eslint.config.js
@@ -13,9 +13,6 @@ export default tseslint.config(
     "apps/test-app/ios/**",
     "packages/host/hermes/**",
     "packages/node-addon-examples/examples/**",
-    "packages/ferric-example/ferric_example.js",
-    "packages/ferric-example/ferric_example.d.ts",
-    "packages/ferric-example/target/**",
     "packages/node-tests/node/**",
     "packages/node-tests/tests/**",
     "packages/node-tests/*.generated.js",
-Original file line number
+Diff line change
@@ Expand Up / @@ -2,5 +2,5 @@ use napi_derive::napi; @@
     #[napi]
     pub fn sum(a: i32, b: i32) -> i32 {
-        a + b
+      a + b
     }