feat: allow building test binaries separatly

Signed-off-by: Robert Günzler <r@gnzler.io>

Author: robertgzr

package.json

@@ -18,6 +18,7 @@
   "main": "dist/api.js",
   "scripts": {
     "build": "zx ./scripts/build.mjs",
+    "build:test": "zx ./scripts/build.mjs --target=test",
     "clean": "rimraf ./build",
     "format": "npm run format:cpp && npm run format:js",
     "format:cpp": "clang-format -style=chromium -i postject-api.h src/**.cpp test/**.c test/**.cpp",

scripts/build.mjs

@@ -1,5 +1,6 @@
 #!/usr/bin/env zx
 
+let target = argv.target;
 let jobs = argv.jobs;
 
 if (!jobs) {
@@ -15,34 +16,52 @@ if (!jobs) {
   }
 }
 
-try {
-  await which("emcmake");
-} catch {
-  console.log("ERROR: Couldn't find `emcmake`, is emsdk installed?");
-  process.exit(1);
-}
+async function build() {
+  try {
+    await which("emcmake");
+  } catch {
+    console.log("ERROR: Couldn't find `emcmake`, is emsdk installed?");
+    process.exit(1);
+  }
+
+  // Create build folder if needed
+  if (!(await fs.exists("./build"))) {
+    await $`mkdir build`;
+  }
 
-// Create build folder if needed
-if (!(await fs.exists("./build"))) {
-  await $`mkdir build`;
+  cd("build");
+
+  // Build with emsdk
+  await $`emcmake cmake -G Ninja ..`;
+  await $`cmake --build . -j ${jobs}`;
+
+  // Bundle api.js and copy artifacts to dist
+  await fs.copy("../src/api.js", "api.js");
+  await $`esbuild api.js --bundle --platform=node --outfile=../dist/api.js`;
+  await fs.copy("../src/cli.js", "../dist/cli.js");
+  await fs.copy("../postject-api.h", "../dist/postject-api.h");
 }
-cd("build");
 
-// Build with emsdk
-await $`emcmake cmake -G Ninja ..`;
-await $`cmake --build . -j ${jobs}`;
+async function test() {
+  // Create build folder if needed
+  if (!(await fs.exists("./build/test"))) {
+    await $`mkdir -p build/test`;
+  }
 
-// Bundle api.js and copy artifacts to dist
-await fs.copy("../src/api.js", "api.js");
-await $`esbuild api.js --bundle --platform=node --outfile=../dist/api.js`;
-await fs.copy("../src/cli.js", "../dist/cli.js");
-await fs.copy("../postject-api.h", "../dist/postject-api.h");
+  cd("build/test");
 
-// Build tests
-if (!(await fs.exists("./test"))) {
-  await $`mkdir test`;
+  await $`cmake ../../test`;
+  await $`cmake --build .`;
 }
 
-cd("test");
-await $`cmake ../../test`;
-await $`cmake --build .`;
+switch (target) {
+  case "build":
+    await build();
+    break;
+  case "test":
+    await test();
+    break;
+  default:
+    await build();
+    await test();
+}