feat: run CMake build from the JavaScript Action (#75)

* feat: add CMake build step

* feat: only run CMake build step if `run-build` input is true

* feat: pass `build-args` input to the CMake build command

* fix: split lines from `getMultilineInput` with a whitespace

src/main.mts

@@ -6,6 +6,14 @@ async function main() {
   const buildDir = core.getInput("build-dir");
   await exec.exec("cmake", [sourceDir || ".", "-B", buildDir || "build"]);
   core.setOutput("build-dir", buildDir || "build");
+
+  const runBuild = core.getBooleanInput("run-build");
+  if (runBuild) {
+    const buildArgs = core
+      .getMultilineInput("build-args")
+      .flatMap((args) => args.split(" "));
+    await exec.exec("cmake", ["--build", buildDir || "build", ...buildArgs]);
+  }
 }
 
 main();