From fe02a7be90b73842ff8f36e9c0351ff4b6c570d6 Mon Sep 17 00:00:00 2001
From: Norton Andreev <norton@nortonandreev.com>
Date: Mon, 7 Oct 2024 15:46:12 +0300
Subject: [PATCH] w3sper: Add a build step

Resolves #2612
---
 w3sper.js/deno.json        |  7 +++---
 w3sper.js/deno.lock        |  7 ++++++
 w3sper.js/scripts/build.ts | 45 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 3 deletions(-)
 create mode 100644 w3sper.js/scripts/build.ts

diff --git a/w3sper.js/deno.json b/w3sper.js/deno.json
index a07a0b7ac6..d79c939417 100644
--- a/w3sper.js/deno.json
+++ b/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 scripts/build.ts",
+    "test": "deno test --allow-read --allow-net --allow-write --allow-run --trace-leaks"
+  }
 }
diff --git a/w3sper.js/deno.lock b/w3sper.js/deno.lock
index 2c1b275bfa..3a6064767d 100644
--- a/w3sper.js/deno.lock
+++ b/w3sper.js/deno.lock
@@ -1,5 +1,8 @@
 {
   "version": "3",
+  "redirects": {
+    "https://deno.land/x/esbuild/mod.js": "https://deno.land/x/esbuild@v0.24.0/mod.js"
+  },
   "remote": {
     "http://rawcdn.githack.com/mio-mini/test-harness/0.1.0/mod.js": "b3a4ef318038bb186610b894c13f417850190ed926caf5e72ae1733ef0879b6c",
     "https://deno.land/std@0.136.0/_util/assert.ts": "e94f2eb37cebd7f199952e242c77654e43333c1ac4c5c700e929ea3aa5489f74",
@@ -40,6 +43,10 @@
     "https://deno.land/std@0.210.0/assert/unimplemented.ts": "4e3e504792c87c485dbc5f4020489d8806ef697741403af2008dfa7b5a4711e8",
     "https://deno.land/std@0.210.0/assert/unreachable.ts": "1af8c99421cc5fb7332454b2b9eca074a4e394895a180bc837750dedcca75338",
     "https://deno.land/std@0.210.0/fmt/colors.ts": "2685c524bef9b16b3059a417daf6860c754eb755e19e812762ef5dff62f24481",
+    "https://deno.land/x/denoflate@1.2.1/mod.ts": "f5628e44b80b3d80ed525afa2ba0f12408e3849db817d47a883b801f9ce69dd6",
+    "https://deno.land/x/denoflate@1.2.1/pkg/denoflate.js": "b9f9ad9457d3f12f28b1fb35c555f57443427f74decb403113d67364e4f2caf4",
+    "https://deno.land/x/denoflate@1.2.1/pkg/denoflate_bg.wasm.js": "d581956245407a2115a3d7e8d85a9641c032940a8e810acbd59ca86afd34d44d",
+    "https://deno.land/x/esbuild@v0.24.0/mod.js": "15b51f08198c373555700a695b6c6630a86f2c254938e81be7711eb6d4edc74e",
     "https://rawcdn.githack.com/dusk-network/exu/v0.1.2/src/mod.js": "ce6fcb436bf24ed79bf187ccac9ea6f59ee824afa6c90b2df45af47be52d78b6",
     "https://rawcdn.githack.com/dusk-network/exu/v0.1.2/src/proxies.js": "a38eeb3735a4fc1e4be1f57837e87f8c28398efb89c62e067cdbb0e196d7e4ea",
     "https://rawcdn.githack.com/dusk-network/exu/v0.1.2/src/sandbox/mod.js": "a7afe21ef1bf1ef9f69878eea25998eabb412726bd0077ba473a633085ac064a",
diff --git a/w3sper.js/scripts/build.ts b/w3sper.js/scripts/build.ts
new file mode 100644
index 0000000000..915734ea5f
--- /dev/null
+++ b/w3sper.js/scripts/build.ts
@@ -0,0 +1,45 @@
+import { build, stop } from "https://deno.land/x/esbuild/mod.js";
+
+const entryPoint = "./src/mod.js";
+
+const outputDir = "./dist";
+const outputFile = `${outputDir}/w3sper.js`;
+
+if (Deno.statSync(outputDir).isDirectory) {
+  Deno.removeSync(outputDir, { recursive: true });
+}
+
+Deno.mkdirSync(outputDir, { recursive: true });
+
+// Build the SDK using esbuild
+const result = await build({
+  entryPoints: [entryPoint],
+  outfile: outputFile,
+  bundle: true,
+  minify: false,
+  format: "esm",
+  sourcemap: true,
+});
+
+console.log("w3sper SDK has been built:", result);
+
+stop();
+
+const packageJsonContent = {
+  name: "@dusk-network/w3sper.js",
+  version: "0.0.1",
+  main: "w3sper.js",
+  type: "module",
+  exports: {
+    ".": "./w3sper.js",
+  },
+};
+
+const packageJsonPath = "./dist/package.json";
+
+Deno.writeTextFileSync(
+  packageJsonPath,
+  JSON.stringify(packageJsonContent, null, 2)
+);
+
+console.log("package.json has been generated:", packageJsonContent);