Resolve DEP0169 url.parse() deprecation and add ESM support

.github/workflows/ci-casper-client-sdk.yml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-        node-version: [16.x, 18.x]
+        node-version: [18.x, 22.x]
         os: [ubuntu-22.04]
     runs-on: ${{ matrix.os }}
     env:
@@ -61,7 +61,7 @@ jobs:
         run: npm run lint:ci
 
       - name: Unit Test
-        run: npm run test:node:unit
+        run: ${{ matrix.node-version == '22.x' && 'npm run test:node:unit:node22' || 'npm run test:node:unit' }}
 
       - name: Test build
         run: npm run build

package.json

@@ -9,8 +9,17 @@
     "url": "https://github.com/casper-ecosystem/casper-js-sdk.git"
   },
   "main": "dist/lib.node.js",
+  "module": "dist/lib.esm.mjs",
   "browser": "dist/lib.web.js",
   "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/lib.esm.mjs",
+      "require": "./dist/lib.node.js",
+      "default": "./dist/lib.node.js"
+    }
+  },
   "scripts": {
     "prepare": "husky-run install",
     "lint": "eslint src/ --fix",
@@ -24,6 +33,7 @@
     "test:node:unit:coverage": "nyc npm run test:node:unit",
     "test:browser:unit": "cross-env NODE_ENV=test karma start karma.conf.js --single-run",
     "test:unit": "cross-env NODE_ENV=test npm run test:node:unit && npm run test:browser:unit",
+    "test:esm:smoke": "node ./scripts/esm-smoke-test.mjs",
     "test:node:e2e": "cross-env NODE_ENV=test TS_NODE_FILES=true mocha -r ts-node/register \"e2e/**/*.test.ts\" --timeout 5000000 --exit",
     "test:e2e": "cross-env NODE_ENV=test npm run test:node:e2e",
     "test": "npm run test:unit && npm run test:e2e",
@@ -32,6 +42,9 @@
     "docs:preview": "cd site && vocs preview",
     "prepublishOnly": "npm run build && npm run test:node:unit:node22"
   },
+  "engines": {
+    "node": ">=18"
+  },
   "keywords": [
     "Casper",
     "BlockChain",
@@ -113,7 +126,32 @@
     "elliptic": "^6.6.1",
     "minimatch": "^10.2.3",
     "bn.js": "^5.2.1",
-    "@types/d3-dispatch": "3.0.6"
+    "@types/d3-dispatch": "3.0.6",
+    "brace-expansion": "^5.0.5",
+    "@rollup/pluginutils": {
+      "picomatch": "^4.0.4"
+    },
+    "@vanilla-extract/compiler": {
+      "picomatch": "^4.0.4",
+      "yaml": "^2.8.3"
+    },
+    "tinyglobby": {
+      "picomatch": "^4.0.4"
+    },
+    "vite-node": {
+      "picomatch": "^4.0.4",
+      "yaml": "^2.8.3"
+    },
+    "vocs": {
+      "picomatch": "^4.0.4",
+      "yaml": "^2.8.3"
+    },
+    "remark-mdx-frontmatter": {
+      "yaml": "^2.8.3"
+    },
+    "vfile-matter": {
+      "yaml": "^2.8.3"
+    }
   },
   "dependencies": {
     "@ethersproject/bignumber": "^5.0.8",
@@ -123,7 +161,6 @@
     "@noble/ed25519": "^1.7.3",
     "@noble/hashes": "^1.2.0",
     "@noble/secp256k1": "^1.7.1",
-    "@open-rpc/client-js": "^1.8.1",
     "@scure/bip32": "^1.1.5",
     "@scure/bip39": "^1.2.0",
     "@types/ws": "^8.2.2",