diff --git a/package-lock.json b/package-lock.json
index c1cf5c56c..df3c73470 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,11 +17,11 @@
         "@babel/code-frame": "^7.26.2",
         "@types/jest": "^29.5.14",
         "@types/semver": "^7.5.8",
-        "@typescript-eslint/eslint-plugin": "^8.26.1",
-        "@typescript-eslint/parser": "^8.26.1",
+        "@typescript-eslint/eslint-plugin": "^8.28.0",
+        "@typescript-eslint/parser": "^8.28.0",
         "c8": "^10.1.3",
         "cross-env": "^7.0.3",
-        "eslint": "^9.22.0",
+        "eslint": "^9.23.0",
         "eslint-config-prettier": "10.1.1",
         "esm-utils": "^4.3.0",
         "jest": "^29.7.0",
@@ -660,9 +660,9 @@
       }
     },
     "node_modules/@eslint/config-helpers": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/@eslint/config-helpers/-/config-helpers-0.1.0.tgz",
-      "integrity": "sha512-kLrdPDJE1ckPo94kmPPf9Hfd0DU0Jw6oKYrhe+pwSC0iTUInmTa+w6fw8sGgcfkFJGNdWOUeOaDM4quW4a7OkA==",
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/@eslint/config-helpers/-/config-helpers-0.2.0.tgz",
+      "integrity": "sha512-yJLLmLexii32mGrhW29qvU3QBVTu0GUmEf/J4XsBtVhp4JkIUFN/BjWqTF63yRvGApIDpZm5fa97LtYtINmfeQ==",
       "dev": true,
       "license": "Apache-2.0",
       "engines": {
@@ -683,9 +683,9 @@
       }
     },
     "node_modules/@eslint/eslintrc": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-3.3.0.tgz",
-      "integrity": "sha512-yaVPAiNAalnCZedKLdR21GOGILMLKPyqSLWaAjQFvYA2i/ciDi8ArYVr69Anohb6cH2Ukhqti4aFnYyPm8wdwQ==",
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-3.3.1.tgz",
+      "integrity": "sha512-gtF186CXhIl1p4pJNGZw8Yc6RlshoePRvE0X91oPGb3vZ8pM3qOS9W9NGPat9LziaBV7XrJWGylNQXkGcnM3IQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -707,9 +707,9 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.22.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.22.0.tgz",
-      "integrity": "sha512-vLFajx9o8d1/oL2ZkpMYbkLv8nDB6yaIwFNt7nI4+I80U/z03SxmfOMsLbvWr3p7C+Wnoh//aOu2pQW8cS0HCQ==",
+      "version": "9.23.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.23.0.tgz",
+      "integrity": "sha512-35MJ8vCPU0ZMxo7zfev2pypqTwWTofFZO6m4KAtdoFhRpLJUpHTZZ+KB3C7Hb1d7bULYwO4lJXGCi5Se+8OMbw==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -1905,17 +1905,17 @@
       "dev": true
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.26.1.tgz",
-      "integrity": "sha512-2X3mwqsj9Bd3Ciz508ZUtoQQYpOhU/kWoUqIf49H8Z0+Vbh6UF/y0OEYp0Q0axOGzaBGs7QxRwq0knSQ8khQNA==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.28.0.tgz",
+      "integrity": "sha512-lvFK3TCGAHsItNdWZ/1FkvpzCxTHUVuFrdnOGLMa0GGCFIbCgQWVk3CzCGdA7kM3qGVc+dfW9tr0Z/sHnGDFyg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "8.26.1",
-        "@typescript-eslint/type-utils": "8.26.1",
-        "@typescript-eslint/utils": "8.26.1",
-        "@typescript-eslint/visitor-keys": "8.26.1",
+        "@typescript-eslint/scope-manager": "8.28.0",
+        "@typescript-eslint/type-utils": "8.28.0",
+        "@typescript-eslint/utils": "8.28.0",
+        "@typescript-eslint/visitor-keys": "8.28.0",
         "graphemer": "^1.4.0",
         "ignore": "^5.3.1",
         "natural-compare": "^1.4.0",
@@ -1935,16 +1935,16 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.26.1.tgz",
-      "integrity": "sha512-w6HZUV4NWxqd8BdeFf81t07d7/YV9s7TCWrQQbG5uhuvGUAW+fq1usZ1Hmz9UPNLniFnD8GLSsDpjP0hm1S4lQ==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.28.0.tgz",
+      "integrity": "sha512-LPcw1yHD3ToaDEoljFEfQ9j2xShY367h7FZ1sq5NJT9I3yj4LHer1Xd1yRSOdYy9BpsrxU7R+eoDokChYM53lQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/scope-manager": "8.26.1",
-        "@typescript-eslint/types": "8.26.1",
-        "@typescript-eslint/typescript-estree": "8.26.1",
-        "@typescript-eslint/visitor-keys": "8.26.1",
+        "@typescript-eslint/scope-manager": "8.28.0",
+        "@typescript-eslint/types": "8.28.0",
+        "@typescript-eslint/typescript-estree": "8.28.0",
+        "@typescript-eslint/visitor-keys": "8.28.0",
         "debug": "^4.3.4"
       },
       "engines": {
@@ -1960,14 +1960,14 @@
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.26.1.tgz",
-      "integrity": "sha512-6EIvbE5cNER8sqBu6V7+KeMZIC1664d2Yjt+B9EWUXrsyWpxx4lEZrmvxgSKRC6gX+efDL/UY9OpPZ267io3mg==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.28.0.tgz",
+      "integrity": "sha512-u2oITX3BJwzWCapoZ/pXw6BCOl8rJP4Ij/3wPoGvY8XwvXflOzd1kLrDUUUAIEdJSFh+ASwdTHqtan9xSg8buw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.26.1",
-        "@typescript-eslint/visitor-keys": "8.26.1"
+        "@typescript-eslint/types": "8.28.0",
+        "@typescript-eslint/visitor-keys": "8.28.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -1978,14 +1978,14 @@
       }
     },
     "node_modules/@typescript-eslint/type-utils": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.26.1.tgz",
-      "integrity": "sha512-Kcj/TagJLwoY/5w9JGEFV0dclQdyqw9+VMndxOJKtoFSjfZhLXhYjzsQEeyza03rwHx2vFEGvrJWJBXKleRvZg==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.28.0.tgz",
+      "integrity": "sha512-oRoXu2v0Rsy/VoOGhtWrOKDiIehvI+YNrDk5Oqj40Mwm0Yt01FC/Q7nFqg088d3yAsR1ZcZFVfPCTTFCe/KPwg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/typescript-estree": "8.26.1",
-        "@typescript-eslint/utils": "8.26.1",
+        "@typescript-eslint/typescript-estree": "8.28.0",
+        "@typescript-eslint/utils": "8.28.0",
         "debug": "^4.3.4",
         "ts-api-utils": "^2.0.1"
       },
@@ -2002,9 +2002,9 @@
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.26.1.tgz",
-      "integrity": "sha512-n4THUQW27VmQMx+3P+B0Yptl7ydfceUj4ON/AQILAASwgYdZ/2dhfymRMh5egRUrvK5lSmaOm77Ry+lmXPOgBQ==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.28.0.tgz",
+      "integrity": "sha512-bn4WS1bkKEjx7HqiwG2JNB3YJdC1q6Ue7GyGlwPHyt0TnVq6TtD/hiOdTZt71sq0s7UzqBFXD8t8o2e63tXgwA==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -2016,14 +2016,14 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.26.1.tgz",
-      "integrity": "sha512-yUwPpUHDgdrv1QJ7YQal3cMVBGWfnuCdKbXw1yyjArax3353rEJP1ZA+4F8nOlQ3RfS2hUN/wze3nlY+ZOhvoA==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.28.0.tgz",
+      "integrity": "sha512-H74nHEeBGeklctAVUvmDkxB1mk+PAZ9FiOMPFncdqeRBXxk1lWSYraHw8V12b7aa6Sg9HOBNbGdSHobBPuQSuA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.26.1",
-        "@typescript-eslint/visitor-keys": "8.26.1",
+        "@typescript-eslint/types": "8.28.0",
+        "@typescript-eslint/visitor-keys": "8.28.0",
         "debug": "^4.3.4",
         "fast-glob": "^3.3.2",
         "is-glob": "^4.0.3",
@@ -2069,16 +2069,16 @@
       }
     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.26.1.tgz",
-      "integrity": "sha512-V4Urxa/XtSUroUrnI7q6yUTD3hDtfJ2jzVfeT3VK0ciizfK2q/zGC0iDh1lFMUZR8cImRrep6/q0xd/1ZGPQpg==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.28.0.tgz",
+      "integrity": "sha512-OELa9hbTYciYITqgurT1u/SzpQVtDLmQMFzy/N8pQE+tefOyCWT79jHsav294aTqV1q1u+VzqDGbuujvRYaeSQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.4.0",
-        "@typescript-eslint/scope-manager": "8.26.1",
-        "@typescript-eslint/types": "8.26.1",
-        "@typescript-eslint/typescript-estree": "8.26.1"
+        "@typescript-eslint/scope-manager": "8.28.0",
+        "@typescript-eslint/types": "8.28.0",
+        "@typescript-eslint/typescript-estree": "8.28.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -2093,13 +2093,13 @@
       }
     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "8.26.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.26.1.tgz",
-      "integrity": "sha512-AjOC3zfnxd6S4Eiy3jwktJPclqhFHNyd8L6Gycf9WUPoKZpgM5PjkxY1X7uSy61xVpiJDhhk7XT2NVsN3ALTWg==",
+      "version": "8.28.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.28.0.tgz",
+      "integrity": "sha512-hbn8SZ8w4u2pRwgQ1GlUrPKE+t2XvcCW5tTRF7j6SMYIuYG37XuzIW44JCZPa36evi0Oy2SnM664BlIaAuQcvg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.26.1",
+        "@typescript-eslint/types": "8.28.0",
         "eslint-visitor-keys": "^4.2.0"
       },
       "engines": {
@@ -3403,19 +3403,19 @@
       }
     },
     "node_modules/eslint": {
-      "version": "9.22.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.22.0.tgz",
-      "integrity": "sha512-9V/QURhsRN40xuHXWjV64yvrzMjcz7ZyNoF2jJFmy9j/SLk0u1OLSZgXi28MrXjymnjEGSR80WCdab3RGMDveQ==",
+      "version": "9.23.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.23.0.tgz",
+      "integrity": "sha512-jV7AbNoFPAY1EkFYpLq5bslU9NLNO8xnEeQXwErNibVryjk67wHVmddTBilc5srIttJDBrB0eMHKZBFbSIABCw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.12.1",
         "@eslint/config-array": "^0.19.2",
-        "@eslint/config-helpers": "^0.1.0",
+        "@eslint/config-helpers": "^0.2.0",
         "@eslint/core": "^0.12.0",
-        "@eslint/eslintrc": "^3.3.0",
-        "@eslint/js": "9.22.0",
+        "@eslint/eslintrc": "^3.3.1",
+        "@eslint/js": "9.23.0",
         "@eslint/plugin-kit": "^0.2.7",
         "@humanfs/node": "^0.16.6",
         "@humanwhocodes/module-importer": "^1.0.1",
diff --git a/package.json b/package.json
index 30fa31669..f995dafa1 100644
--- a/package.json
+++ b/package.json
@@ -86,11 +86,11 @@
     "@babel/code-frame": "^7.26.2",
     "@types/jest": "^29.5.14",
     "@types/semver": "^7.5.8",
-    "@typescript-eslint/eslint-plugin": "^8.26.1",
-    "@typescript-eslint/parser": "^8.26.1",
+    "@typescript-eslint/eslint-plugin": "^8.28.0",
+    "@typescript-eslint/parser": "^8.28.0",
     "c8": "^10.1.3",
     "cross-env": "^7.0.3",
-    "eslint": "^9.22.0",
+    "eslint": "^9.23.0",
     "eslint-config-prettier": "10.1.1",
     "esm-utils": "^4.3.0",
     "jest": "^29.7.0",
diff --git a/test.config.js b/test.config.js
index 232223744..0e367e7c2 100644
--- a/test.config.js
+++ b/test.config.js
@@ -4,7 +4,10 @@ import createEsmUtils from 'esm-utils';
 const { __dirname } = createEsmUtils(import.meta);
 
 export default {
-  entry: './tests/integration/test-app.js',
+  entry: {
+    test: './tests/integration/test-app.js',
+    'create-parser': './src/slang-utils/create-parser.js'
+  },
   mode: 'production',
   bail: true,
 
@@ -13,14 +16,25 @@ export default {
 
   externals: { 'node:fs/promises': 'import node:fs/promises' },
 
-  experiments: {
-    asyncWebAssembly: true,
-    topLevelAwait: true,
-    outputModule: true
+  resolve: {
+    extensions: ['.ts', '.js'],
+    extensionAlias: { '.js': ['.js', '.ts'] }
+  },
+
+  module: {
+    rules: [
+      {
+        test: /\.ts$/,
+        use: 'ts-loader',
+        exclude: /node_modules/
+      }
+    ]
   },
 
+  experiments: { outputModule: true },
+
   output: {
-    filename: 'test.js',
+    filename: '[name].js',
     path: path.resolve(__dirname, 'dist'),
     library: { type: 'module' }
   },
diff --git a/tests/config/get-create-parser.js b/tests/config/get-create-parser.js
new file mode 100644
index 000000000..5859a59db
--- /dev/null
+++ b/tests/config/get-create-parser.js
@@ -0,0 +1,16 @@
+function getCreateParserInternal() {
+  const entry = process.env.TEST_STANDALONE
+    ? "../../dist/create-parser.js"
+    : "../../src/slang-utils/create-parser.js";
+
+  return import(entry).then((module) => module.createParser);
+}
+
+let promise;
+function getCreateParser() {
+  promise = promise ?? getCreateParserInternal();
+
+  return promise;
+}
+
+export default getCreateParser;
diff --git a/tests/config/run-format-test.js b/tests/config/run-format-test.js
index 4720028e8..d47b9bb71 100644
--- a/tests/config/run-format-test.js
+++ b/tests/config/run-format-test.js
@@ -1,10 +1,9 @@
 import fs from "node:fs";
 import path from "node:path";
 import url from "node:url";
-
 import createEsmUtils from "esm-utils";
-
 import getPrettier from "./get-prettier.js";
+import getCreateParser from "./get-create-parser.js";
 import getPlugins from "./get-plugins.js";
 import compileContract from "./utils/compile-contract.js";
 import consistentEndOfLine from "./utils/consistent-end-of-line.js";
@@ -65,6 +64,22 @@ const testsWithAstChanges = new Map(
   }),
 );
 
+const antlrMismatchTests = new Map(
+  [
+    // Better placement of comments in Slang.
+    "BasicIterator/BasicIterator.sol",
+    "Comments/Comments.sol",
+    "IndexOf/IndexOf.sol",
+    // Syntax for `pragma solidity 0.5.0 - 0.6.0;` not supported by ANTLR
+    "Pragma/Pragma.sol",
+  ].map((fixture) => {
+    const [file, compareBytecode = () => true] = Array.isArray(fixture)
+      ? fixture
+      : [fixture];
+    return [path.join(__dirname, "../format/", file), compareBytecode];
+  }),
+);
+
 const isUnstable = (filename, options) => {
   const testFunction = unstableTests.get(filename);
 
@@ -85,6 +100,16 @@ const isAstUnstable = (filename, options) => {
   return testFunction(options);
 };
 
+const isAntlrMismatch = (filename, options) => {
+  const testFunction = antlrMismatchTests.get(filename);
+
+  if (!testFunction) {
+    return false;
+  }
+
+  return testFunction(options);
+};
+
 const shouldCompareBytecode = (filename, options) => {
   const testFunction = testsWithAstChanges.get(filename);
 
@@ -119,6 +144,12 @@ function runFormatTest(fixtures, parsers, options) {
   let { importMeta, snippets = [] } = fixtures.importMeta
     ? fixtures
     : { importMeta: fixtures };
+
+  const filename = path.basename(new URL(importMeta.url).pathname);
+  if (filename !== "format.test.js") {
+    throw new Error(`Format test should run in file named 'format.test.js'.`);
+  }
+
   const dirname = path.dirname(url.fileURLToPath(importMeta.url));
 
   // `IS_PARSER_INFERENCE_TESTS` mean to test `inferParser` on `standalone`
@@ -290,6 +321,26 @@ async function runTest({
     return;
   }
 
+  if (
+    formatOptions.parser === "slang-solidity" &&
+    !isAntlrMismatch(filename, formatOptions)
+  ) {
+    // Compare with ANTLR's format
+    const prettier = await getPrettier();
+    const createParser = await getCreateParser();
+    const { formatted: antlrOutput } = await prettier.formatWithCursor(code, {
+      ...formatOptions,
+      // Since Slang forces us to decide on a compiler version, we need to do the
+      // same for ANTLR unless it was already given as an option.
+      compiler:
+        formatOptions.compiler ||
+        createParser(code, formatOptions)[0].languageVersion,
+      parser: "solidity-parse",
+      plugins: await getPlugins(),
+    });
+    expect(antlrOutput).toEqual(formatResult.output);
+  }
+
   const isUnstableTest = isUnstable(filename, formatOptions);
   if (
     (formatResult.changed || isUnstableTest) &&
diff --git a/tests/config/utils/create-snapshot.js b/tests/config/utils/create-snapshot.js
index 1a898837f..7b0a79ef0 100644
--- a/tests/config/utils/create-snapshot.js
+++ b/tests/config/utils/create-snapshot.js
@@ -1,5 +1,4 @@
 import { wrap as raw } from "jest-snapshot-serializer-raw";
-
 import visualizeEndOfLine from "./visualize-end-of-line.js";
 import visualizeRange from "./visualize-range.js";
 
diff --git a/webpack.config.js b/webpack.config.js
index f2ab486ce..523278d43 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -4,12 +4,10 @@ import webpack from 'webpack';
 
 const { __dirname } = createEsmUtils(import.meta);
 
-const globalObject = `
-  typeof globalThis !== 'undefined' ? globalThis
+const globalObject = `typeof globalThis !== 'undefined' ? globalThis
   : typeof global !== 'undefined' ? global
   : typeof self !== 'undefined' ? self
-  : this || {}
-`;
+  : this || {}`;
 
 // This is the production and development configuration.
 // It is focused on developer experience, fast rebuilds, and a minimal bundle.
@@ -29,10 +27,8 @@ export default (webpackEnv) => {
       // TODO: investigate a cleaner way to populate the global variable
       // prettierPlugins in a browser.
       new webpack.BannerPlugin({
-        banner: `
-var root = ${globalObject};
-root["prettierPlugins"] = root["prettierPlugins"] || {}, root["prettierPlugins"]["solidity"] = __webpack_exports__default;
-`,
+        banner: `var root = ${globalObject};
+root["prettierPlugins"] = root["prettierPlugins"] || {}, root["prettierPlugins"]["solidity"] = __webpack_exports__default;`,
         footer: true,
         raw: true
       })
@@ -46,12 +42,6 @@ root["prettierPlugins"] = root["prettierPlugins"] || {}, root["prettierPlugins"]
       extensionAlias: { '.js': ['.js', '.ts'] }
     },
 
-    experiments: {
-      asyncWebAssembly: true,
-      topLevelAwait: true,
-      outputModule: true
-    },
-
     module: {
       rules: [
         {
@@ -62,6 +52,8 @@ root["prettierPlugins"] = root["prettierPlugins"] || {}, root["prettierPlugins"]
       ]
     },
 
+    experiments: { outputModule: true },
+
     optimization: { minimize: isEnvProduction },
     target: ['browserslist'],
     output: {