Add bootstrap scripts (#120)

* Add a "bootstrap" script to packages

* Don't nuke the examples directory skip copying already copied dirs

Author: kraenhansen

package.json

@@ -13,7 +13,8 @@
     "clean": "tsc --build --clean",
     "dev": "tsc --build --watch",
     "lint": "eslint .",
-    "test": "npm run test --workspace react-native-node-api --workspace cmake-rn --workspace gyp-to-cmake --workspace node-addon-examples"
+    "test": "npm run test --workspace react-native-node-api --workspace cmake-rn --workspace gyp-to-cmake --workspace node-addon-examples",
+    "bootstrap": "npm run build && npm run bootstrap --workspaces --if-present"
   },
   "author": {
     "name": "Callstack",

packages/host/package.json

@@ -44,7 +44,8 @@
     "generate-weak-node-api": "tsx scripts/generate-weak-node-api.ts",
     "generate-weak-node-api-injector": "tsx scripts/generate-weak-node-api-injector.ts",
     "build-weak-node-api": "npm run generate-weak-node-api && cmake-rn --android --apple --no-auto-link --no-weak-node-api-linkage --xcframework-extension --source ./weak-node-api",
-    "test": "tsx --test --test-reporter=@reporters/github --test-reporter-destination=stdout --test-reporter=spec --test-reporter-destination=stdout src/node/**/*.test.ts src/node/*.test.ts"
+    "test": "tsx --test --test-reporter=@reporters/github --test-reporter-destination=stdout --test-reporter=spec --test-reporter-destination=stdout src/node/**/*.test.ts src/node/*.test.ts",
+    "bootstrap": "npm run copy-node-api-headers && npm run generate-weak-node-api-injector && npm run build-weak-node-api"
   },
   "keywords": [
     "react-native",

packages/node-addon-examples/package.json

@@ -13,7 +13,8 @@
     "build": "tsx scripts/build-examples.mts",
     "copy-and-build": "npm run copy-examples && npm run gyp-to-cmake && npm run build",
     "verify": "tsx scripts/verify-prebuilds.mts",
-    "test": "npm run copy-and-build && npm run verify"
+    "test": "npm run copy-and-build && npm run verify",
+    "bootstrap": "npm run copy-and-build"
   },
   "devDependencies": {
     "cmake-rn": "*",

packages/node-addon-examples/scripts/copy-examples.mts

@@ -51,8 +51,9 @@ const ALLOW_LIST = [
 ];
 
 console.log("Copying files to", EXAMPLES_DIR);
+
 // Clean up the destination directory before copying
-fs.rmSync(EXAMPLES_DIR, { recursive: true, force: true });
+// fs.rmSync(EXAMPLES_DIR, { recursive: true, force: true });
 
 const require = createRequire(import.meta.url);
 
@@ -67,17 +68,28 @@ let counter = 0;
 for (const src of ALLOW_LIST) {
   const srcPath = path.join(SRC_DIR, src);
   const destPath = path.join(EXAMPLES_DIR, src);
+
+  const uniquePackageName = `example-${counter++}`;
+
+  if (fs.existsSync(destPath)) {
+    console.warn(
+      `Destination path ${destPath} already exists - skipping copy of ${src}.`
+    );
+    continue;
+  }
+
   console.log("Copying from", srcPath, "to", destPath);
   fs.cpSync(srcPath, destPath, { recursive: true });
-  // Delete all package.json files recursively, as they have duplicate names, causing collisions when hashing
+  // Update package names in package.json files recursively,
+  // as they have duplicate names, causing collisions when vendored into the host package.
   for (const entry of fs.readdirSync(destPath, {
     withFileTypes: true,
     recursive: true,
   })) {
     if (entry.name === "package.json") {
       const packageJson = readPackageSync({ cwd: entry.parentPath });
       // Ensure example package names are unique
-      packageJson.name = `example-${counter++}`;
+      packageJson.name = uniquePackageName;
       fs.writeFileSync(
         path.join(entry.parentPath, entry.name),
         JSON.stringify(packageJson, null, 2),