wasm bindings for js envs

.gitignore

@@ -36,4 +36,5 @@ ____*
 bindings/wasm/pkg/
 sdk/js/server/pkg/
 sdk/js/server/dist/
-sdk/js/web/pkg/
+sdk/js/web/pkg/
+pnpm-lock.yaml

CHANGELOG.md

@@ -0,0 +1,20 @@
+### v6.0.1 - 19 March 2026
+- added wasm bindings for Node, Bun, Browser, Deno and Edge
+- Bug fix in wasm binding
+
+### v6.0 - 18 March 26
+- added has_decision_observer in runtime : Python SDK
+- Fixed Rust engine bugs
+- Support for JS server sdk
+
+### v0.5.1
+- wasm bindings added
+
+### v5.0 
+- Support for MCP, Agents and LLM integrations in Python SDK
+
+### v0.4.0 & Earlier
+- Bug fixes
+- Added Error class in Python SDK
+- Python SDK
+- Initial release with core rust engine

Cargo.toml

@@ -9,7 +9,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.6.0"
+version = "0.6.1"
 edition = "2021"
 license = "Apache-2.0"
 authors = ["Amit Saxena"]

bindings/node/test_basic.js

@@ -36,7 +36,7 @@ const actra = new Actra(schema, policy)
 const result = actra.evaluate({
   action: { type: "delete" },
   actor: { role: "admin" },
-  snapshot: {}
+  snapshot: {fraud_flag:true}
 })
 
 console.log(result)

bindings/wasm/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "wasm-binding-test",
+  "version": "1.0.0",
+  "type": "module",
+  "files": [
+    "pkg"
+  ],
+  "scripts": {
+    "build": "node scripts/build.mjs",
+    "test:webpack": "webpack serve --config test/webpack/webpack.config.js",
+    "test:node": "node test/test-node.mjs",
+    "test:bun": "bun test/test-bun.mjs",
+    "test:deno": "deno run --allow-read test/test-deno.ts",
+    "test:bundler": "node test/test-bundler.mjs",
+    "test:browser": "npx serve ."
+  },
+  "exports": {
+    ".": {
+      "types": "./pkg/node/actra_wasm.d.ts",
+      "node": "./pkg/node/actra_wasm.js",
+      "deno": "./pkg/deno/actra_wasm.js",
+      "browser": "./pkg/web/actra_wasm.js",
+      "worker": "./pkg/web/actra_wasm.js",
+      "default": "./pkg/bundler/actra_wasm.js"
+    }
+  },
+  "devDependencies": {
+    "html-webpack-plugin": "^5.6.6",
+    "webpack": "^5.105.4",
+    "webpack-cli": "^7.0.2",
+    "webpack-dev-server": "^5.2.3"
+  }
+}

bindings/wasm/scripts/build.mjs

@@ -0,0 +1,24 @@
+import { execSync } from "child_process";
+import { rmSync, existsSync } from "fs";
+
+const builds = [
+  { target: "bundler", out: "pkg/bundler" },
+  { target: "web", out: "pkg/web" },
+  { target: "nodejs", out: "pkg/node" },
+  { target: "deno", out: "pkg/deno" }
+];
+
+console.log("CWD:", process.cwd());
+
+if (existsSync("pkg")) {
+  console.log("\nCleaning pkg directory...");
+  rmSync("pkg", { recursive: true, force: true });
+}
+
+for (const b of builds) {
+  console.log(`\nBuilding ${b.target}...`);
+  execSync(
+    `wasm-pack build . --target ${b.target} --out-dir ${b.out} --release`,
+    { stdio: "inherit" }
+  );
+}

bindings/wasm/test/test-bun.mjs

@@ -0,0 +1,11 @@
+async function run() {
+    try {
+        const wasm = await import("../pkg/node/actra_wasm.js");
+        const version = wasm.Actra.compiler_version();
+        console.log("Actra WASM compiler version:", version);
+    } catch (err) {
+        console.error(err);
+    }
+}
+
+run();

bindings/wasm/test/test-bundler.mjs

@@ -0,0 +1,11 @@
+async function run() {
+    try {
+        const wasm = await import("../pkg/bundler/actra_wasm.js");
+        const version = wasm.Actra.compiler_version();
+        console.log("Actra WASM compiler version:", version);
+    } catch (err) {
+        console.error(err);
+    }
+}
+
+run();

bindings/wasm/test/test-deno.ts

@@ -0,0 +1,11 @@
+async function run() {
+    try {
+        const wasm = await import("../pkg/deno/actra_wasm.js");
+        const version = wasm.Actra.compiler_version();
+        console.log("Actra WASM compiler version:", version);
+    } catch (err) {
+        console.error(err);
+    }
+}
+
+run();

bindings/wasm/test/test-node.mjs

@@ -0,0 +1,11 @@
+async function run() {
+    try {
+        const wasm = await import("../pkg/node/actra_wasm.js");
+        const version = wasm.Actra.compiler_version();
+        console.log("Actra WASM compiler version:", version);
+    } catch (err) {
+        console.error(err);
+    }
+}
+
+run();

bindings/wasm/test/test_browser.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+
+<body>
+    <h3>Browser Test</h3>
+    <div id="output"></div>
+
+    <script type="module">
+        let wasm;
+        wasm = await import("../pkg/web/actra_wasm.js");
+        if (wasm.default) {
+            await wasm.default();
+        } else if (wasm.init) {
+            await wasm.init();
+        }
+        console.log("Actra WASM compiler version:", wasm.Actra.compiler_version());
+
+        document.getElementById("output").innerHTML +=
+        `<p>Actra WASM compiler version: ${wasm.Actra.compiler_version()}</p>`;
+    </script>
+
+</body>
+
+</html>

bindings/wasm/test/webpack/index.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+
+<body>
+    <h2>Webpack WASM Test</h2>
+    <div id="output">Loading...</div>
+</body>
+
+</html>

bindings/wasm/test/webpack/index.js

@@ -0,0 +1,18 @@
+async function run() {
+  const el = document.getElementById("output");
+
+  try {
+    el.textContent = "Loading WASM...";
+
+    const wasm = await import("../../pkg/bundler/actra_wasm.js");
+
+    const version = wasm.Actra.compiler_version();
+
+    el.textContent = "Compiler Version: " + version;
+  } catch (err) {
+    console.error(err);
+    el.textContent = "Error loading WASM";
+  }
+}
+
+run();

bindings/wasm/test/webpack/webpack.config.js

@@ -0,0 +1,30 @@
+import path from "path";
+import HtmlWebpackPlugin from "html-webpack-plugin";
+
+export default {
+    mode: "development",
+    devtool: "source-map",
+
+    entry: "./test/webpack/index.js",
+
+    output: {
+        path: path.resolve("./test/webpack/dist"),
+        filename: "bundle.js",
+        publicPath: "/"
+    },
+
+    experiments: {
+        asyncWebAssembly: true
+    },
+
+    plugins: [
+        new HtmlWebpackPlugin({
+            template: "./test/webpack/index.html"
+        })
+    ],
+
+    devServer: {
+        port: 8080,
+        open: true
+    }
+};

bindings/wasm/webpack.config.js

@@ -0,0 +1,6 @@
+export default {
+  mode: "development",
+  experiments: {
+    asyncWebAssembly: true
+  }
+};

scripts/wasm_pack.sh

@@ -29,6 +29,7 @@ wasm-pack build bindings/wasm --target web --out-dir pkg/web --release
 
 # 2. Server build
 wasm-pack build bindings/wasm --target nodejs --out-dir pkg/server --release
+wasm-pack build bindings/wasm --target bundler --out-dir pkg/server --release
 
 # cargo install wasm-opt