Refactor code to use ES module syntax

.github/workflows/ci.yml

@@ -4,27 +4,24 @@ on: [push, pull_request]
 jobs:
   test:
     name: Test
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        node-version: ["12", "14", "16", "18"]
+    timeout-minutes: 15
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v6
         with:
-          node-version: ${{ matrix.node-version }}
-          check-latest: true
-          cache: 'npm'
+          node-version: "lts/*"
+          cache: "npm"
 
       - name: Install dependencies
         run: npm ci
 
+      - name: Install Playwright dependencies
+        run: npx playwright install --with-deps chromium
+
       - name: Run tests
         run: npm test

eslint.config.js

@@ -0,0 +1,38 @@
+import js from "@eslint/js";
+import globals from "globals";
+
+export default [
+    {
+        ignores: ["build/**", "tools/**"],
+    },
+    js.configs.recommended,
+    {
+        languageOptions: {
+            ecmaVersion: 2020,
+            globals: {
+                ...globals.node,
+                ...globals.es2020,
+                WebAssembly: "readonly",
+            },
+        },
+        rules: {
+            "indent": ["error", 4],
+            "linebreak-style": ["error", "unix"],
+            "quotes": ["error", "double"],
+            "semi": ["error", "always"],
+        },
+    },
+    {
+        files: ["test/**/*.js"],
+        languageOptions: {
+            globals: {
+                describe: "readonly",
+                it: "readonly",
+                beforeAll: "readonly",
+                afterAll: "readonly",
+                beforeEach: "readonly",
+                afterEach: "readonly",
+            },
+        },
+    },
+];

index.js

@@ -18,13 +18,13 @@
 */
 
 
-// module.exports.bn128_wasm = require("./build/bn128_wasm.js");
-module.exports.bn128_wasm_gzip = require("./build/bn128_wasm_gzip.js");
-// module.exports.bls12381_wasm = require("./build/bls12381_wasm.js");
-// module.exports.mnt6753_wasm = require("./build/mnt6753_wasm.js");
+// export * as bn128_wasm from "./build/bn128_wasm.js";
+export * as bn128_wasm_gzip from "./build/bn128_wasm_gzip.js";
+// export * as bls12381_wasm from "./build/bls12381_wasm.js";
+// export * as mnt6753_wasm from "./build/mnt6753_wasm.js";
 
-module.exports.buildBn128 = require("./src/bn128/build_bn128.js");
-module.exports.buildBls12381 = require("./src/bls12381/build_bls12381.js");
-// module.exports.buildMnt6753 = require("./src/mnt6753/build_mnt7.js");
+export { default as buildBn128 } from "./src/bn128/build_bn128.js";
+export { default as buildBls12381 } from "./src/bls12381/build_bls12381.js";
+// export { default as buildMnt6753 } from "./src/mnt6753/build_mnt6753.js";
 
-module.exports.buildF1m = require("./src/build_f1m");
+export { default as buildF1m } from "./src/build_f1m.js";