w3sper: Add a build step

w3sper.js/deno.json

@@ -1,5 +1,6 @@
 {
-   "tasks": {
-     "test": "deno test --allow-read --allow-net --allow-write --allow-run --trace-leaks"
-   }
+  "tasks": {
+    "build": "deno run --allow-write --allow-read --allow-env scripts/build.ts",
+    "test": "deno test --allow-read --allow-net --allow-write --allow-run --trace-leaks"
+  }
 }

w3sper.js/scripts/build.ts

@@ -0,0 +1,65 @@
+import { build, stop } from "https://deno.land/x/esbuild/mod.js";
+
+const outputDir = "./dist";
+
+const dirs = [
+  { source: "./src/mod.js", dest: `${outputDir}/w3sper.js` },
+  { source: "./src/network/mod.js", dest: `${outputDir}/network.js` },
+  {
+    source: "./src/protocol-driver/mod.js",
+    dest: `${outputDir}/protocol-driver.js`,
+  },
+];
+
+try {
+  if (Deno.statSync(outputDir).isDirectory) {
+    Deno.removeSync(outputDir, { recursive: true });
+  }
+  Deno.mkdirSync(outputDir, { recursive: true });
+} catch (err) {
+  console.error("Error setting up the output directory:", err);
+}
+
+for (const dir of dirs) {
+  try {
+    const result = await build({
+      entryPoints: [dir.source],
+      outfile: dir.dest,
+      bundle: false,
+      minify: false,
+      format: "esm",
+      sourcemap: true,
+      platform: "node",
+    });
+
+    console.log(`${dir.source} has been built:`, result);
+  } catch (err) {
+    console.error(`Build failed for ${dir.source}:`, err);
+  }
+}
+
+stop();
+
+const packageJsonContent = {
+  name: "@dusk-network/w3sper.js",
+  version: "0.0.1",
+  main: "w3sper.js",
+  type: "module",
+  exports: {
+    ".": "./w3sper.js",
+    "./network": "./network.js",
+    "./protocol-driver": "./protocol-driver.js",
+  },
+};
+
+const packageJsonPath = `${outputDir}/package.json`;
+
+try {
+  Deno.writeTextFileSync(
+    packageJsonPath,
+    JSON.stringify(packageJsonContent, null, 2)
+  );
+  console.log("package.json has been generated:", packageJsonContent);
+} catch (err) {
+  console.error("Failed to write package.json:", err);
+}