diff --git a/.jshintrc b/.jshintrc
index fbfceab..6459544 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,17 +1,11 @@
-
-
-
-
-
-
 {
+  "module": true,
   "browser": true,
   "node": true,
   "esversion": 11,
   "curly": true,
   "sub": true,
 
-  
   "bitwise": true,
   "eqeqeq": true,
   "forin": true,
@@ -23,7 +17,6 @@
   "plusplus": true,
   "undef": true,
   "unused": "vars",
-  "strict": true,
   "maxdepth": 4,
   "maxstatements": 100,
   "maxcomplexity": 20
diff --git a/README.md b/README.md
index 64c6488..1556c36 100644
--- a/README.md
+++ b/README.md
@@ -7,15 +7,24 @@ Turn on transpile-free type hinting for your vanilla JS projects #JSWithTypes
    npm init
    ```
 2. Turn on type linting 💪
+
    ```sh
    # Create a properly configured `jsconfig.json`
-   npx jswt init
+   npx -p jswt@2.x -- jswt init
+
+   # Install @types/node, if needed
+   npm install --save '@types/node'
    ```
+
 3. Profit!
 
 Works with **VS Code** out-of-the-box, and
 [Vim + ale](https://webinstall.dev/vim-essentials).
 
+## CommonJS vs ESM
+
+Use v1 for CommonJS, or v2 for ESM.
+
 ## Watch the Presentation!
 
 [![JS with Types conference title slide](https://jswithtypes.com/assets/utahjs-conf-2022-jswt-title-yt.png)](https://jswithtypes.com/)
@@ -49,13 +58,14 @@ Your project will look something like this:
    npx -p typescript@5.x -- \
        tsc --init \
        --allowJs --alwaysStrict --checkJs \
-       --moduleResolution node \
-       --noEmit --noImplicitAny --target es2022 \
+       --module nextnode --moduleResolution nextnode \
+       --noEmit --noImplicitAny --target es2024 \
        --typeRoots './typings,./node_modules/@types'
    ```
 2. Adds the following keys:
    ```txt
-   "include": ["*.js", "bin/**/*.js", "lib/**/*.js", "src/**/*.js"]`
+   "paths": { "foo": ["./foo.js"], "foo/*": ["./*"] },
+   "include": ["*.js", "bin/**/*.js", "lib/**/*.js", "src/**/*.js"]`,
    "exclude": ["node_modules"]
    ```
 3. Renames `tsconfig.json` to `jsconfig.json` \
diff --git a/bin/_walk.js b/bin/_walk.js
index e8b2447..f75ba04 100644
--- a/bin/_walk.js
+++ b/bin/_walk.js
@@ -1,10 +1,10 @@
-"use strict";
+import Fs from "node:fs/promises";
+import Path from "node:path";
 
-const Fs = require("node:fs/promises");
-const Path = require("node:path");
+let Walk = {};
+Walk.skipDir = new Error("skip this directory");
 
-const skipDir = new Error("skip this directory");
-const _withFileTypes = { withFileTypes: true };
+let _withFileTypes = { withFileTypes: true };
 
 /** @typedef {import('fs').Dirent} Dirent */
 
@@ -24,7 +24,7 @@ const _withFileTypes = { withFileTypes: true };
  * @param {Dirent} [_dirent]
  * @returns {Promise<void>}
  */
-const walk = async (pathname, walkFunc, _dirent) => {
+Walk.walk = async function (pathname, walkFunc, _dirent) {
   let err;
 
   // special case of the very first run
@@ -41,7 +41,7 @@ const walk = async (pathname, walkFunc, _dirent) => {
 
   // run the user-supplied function and either skip, bail, or continue
   let cont = await walkFunc(err, pathname, _dirent).catch(function (err) {
-    if (skipDir === err) {
+    if (Walk.skipDir === err) {
       return false;
     }
     throw err;
@@ -65,11 +65,9 @@ const walk = async (pathname, walkFunc, _dirent) => {
   );
 
   for (let dirent of dirents) {
-    await walk(Path.join(pathname, dirent.name), walkFunc, dirent);
+    let path = Path.join(pathname, dirent.name);
+    await Walk.walk(path, walkFunc, dirent);
   }
 };
 
-module.exports = {
-  walk,
-  skipDir,
-};
+export default Walk;
diff --git a/bin/jswt-init.js b/bin/jswt-init.js
index 5e7deac..2530b74 100755
--- a/bin/jswt-init.js
+++ b/bin/jswt-init.js
@@ -1,16 +1,19 @@
 #!/usr/bin/env node
-"use strict";
 
-//require("dotenv").config({ path: ".env" });
-//require("dotenv").config({ path: ".env.secret" });
+//import Dotenv from "dotenv";
+//Dotenv.config({ path: ".env" });
+//Dotenv.config({ path: ".env.secret" });
 
 const PKG_NAME = "package.json";
 const TSC_NAME = "tsconfig.json";
 const JSC_NAME = "jsconfig.json";
 
-var Fs = require("node:fs").promises;
-var Path = require("node:path");
-var spawn = require("node:child_process").spawn;
+import Fs from "node:fs/promises";
+import Path from "node:path";
+import ChildProcess from "node:child_process";
+
+let modulePath = import.meta.url.slice("file://".length);
+let moduleDir = Path.dirname(modulePath);
 
 async function main() {
   /* jshint maxcomplexity: 25 */
@@ -31,12 +34,6 @@ async function main() {
     pkgName = pkgName.slice(index);
   }
 
-  let jsconfig = await readJsConfig();
-  if (!jsconfig) {
-    let tsconfigTxt = await createTsConfig();
-    jsconfig = await createJsConfig(pkg, tsconfigTxt);
-  }
-
   // await Fs.mkdir("./docs", { recursive: true });
   // let fh = await Fs.open("./docs/.gitkeep", "a");
   // await fh.close();
@@ -81,16 +78,27 @@ async function main() {
     await initFile(
       "./index.js",
       [
-        `"use strict";`,
         "// auto-generated by `jswt reexport`",
         "// DO NOT EDIT",
         "",
-        `module.exports = require("${prefix}/${pkgName}.js");`,
+        `import ${pkgName} from "${prefix}/${pkgName}.js";`,
+        "",
+        `export default ${pkgName};`,
         "",
       ].join("\n"),
     );
   }
 
+  let jsconfig = await readJsConfig();
+  if (!jsconfig) {
+    let tsconfigTxt = await createTsConfig();
+    jsconfig = await createJsConfig(
+      pkg,
+      tsconfigTxt,
+      `${prefix}/${pkgName}.js`,
+    );
+  }
+
   let eslintFile = await whichEslint(".", pkg);
   let initJshint = !flags.noJshint && !eslintFile;
   if (initJshint) {
@@ -98,6 +106,7 @@ async function main() {
       "./.jshintrc",
       [
         `{`,
+        `  "module": true,`,
         `  "browser": true,`,
         `  "node": true,`,
         `  "esversion": 11,`,
@@ -115,7 +124,6 @@ async function main() {
         `  "plusplus": true,`,
         `  "undef": true,`,
         `  "unused": "vars",`,
-        `  "strict": true,`,
         `  "maxdepth": 4,`,
         `  "maxstatements": 100,`,
         `  "maxcomplexity": 20`,
@@ -145,7 +153,7 @@ async function main() {
     let hasTestRunnerScript = script.includes(testRunnerScript);
     if (hasTestRunnerScript) {
       await Fs.mkdir("./tests", { recursive: true });
-      let testRunnerPath = Path.join(__dirname, "../tests/index.js");
+      let testRunnerPath = Path.join(moduleDir, "../tests/index.js");
       let testRunnerText = await Fs.readFile(testRunnerPath, "utf8");
       await initFile("./tests/index.js", testRunnerText);
     }
@@ -169,7 +177,7 @@ async function main() {
       let ghaDir = `.github/workflows`;
       let ghaFile = `.github/workflows/node.js.yml`;
       await Fs.mkdir(`./${ghaDir}`, { recursive: true });
-      let ghActionPath = Path.join(__dirname, `../${ghaFile}`);
+      let ghActionPath = Path.join(moduleDir, `../${ghaFile}`);
       let ghActionText = await Fs.readFile(ghActionPath, "utf8");
       await initFile(`./${ghaFile}`, ghActionText);
     }
@@ -214,12 +222,12 @@ async function main() {
     await initFile(
       mainPath,
       [
-        `"use strict";`,
-        "",
-        `let ${mainName} = module.exports;`,
+        `let ${mainName} = {};`,
         "",
         `${mainName}.answer = 42;`,
         "",
+        `export default ${mainName};`,
+        "",
       ].join("\n"),
     );
   }
@@ -229,6 +237,7 @@ async function main() {
     if (mainIsIndex) {
       let allArgs = ["pkg", "set", `main=${mainPath}`];
       await exec("npm", allArgs);
+      await sortAndWritePackageJson();
     }
   }
 
@@ -278,6 +287,7 @@ async function main() {
         `files[]=tests/*.js`,
       ];
       await exec("npm", allArgs);
+      await sortAndWritePackageJson();
     }
   }
 
@@ -290,10 +300,57 @@ async function main() {
   void (await upsertNpmScript(
     "prepublish",
     "reexport-types",
-    "npx -p jswt@1.x -- reexport",
+    "npx -p jswt@2.x -- reexport",
     "reexport",
   ));
 
+  {
+    let result = await exec("npm", ["pkg", "get", "exports"]);
+    let curScript = result.stdout.trim();
+    if ("{}" === curScript) {
+      let allArgs = [
+        "pkg",
+        "set",
+        "type=module",
+        `exports[.]=${mainPath}`,
+        `exports[./*]=./*`,
+      ];
+      await exec("npm", allArgs);
+      await sortAndWritePackageJson();
+    }
+  }
+
+  {
+    let result = await exec("npm", ["pkg", "get", "imports"]);
+    let curScript = result.stdout.trim();
+    if ("{}" === curScript) {
+      let allArgs = [
+        "pkg",
+        "set",
+        "type=module",
+        `imports[${pkg.name}]=${mainPath}`,
+      ];
+      await exec("npm", allArgs);
+      await sortAndWritePackageJson();
+
+      await initFile(
+        "./importmap.html",
+        [
+          `<script type="importmap">`,
+          `  {`,
+          `    "imports": {`,
+          `      "@root/passkey": "./passkey.js",`,
+          `      "@root/passkey/": "./lib/",`,
+          `      "localstore": "./vendor/localstore.js"`,
+          `    }`,
+          `  }`,
+          `</script>`,
+          "",
+        ].join("\n"),
+      );
+    }
+  }
+
   let jsconfigTxt = JSON.stringify(jsconfig, null, 2);
   // for stderr / debug output
   console.error(`./jsconfig.json:`);
@@ -505,13 +562,14 @@ async function createTsConfig() {
       "--allowJs",
       "--alwaysStrict",
       "--checkJs",
+      "--module",
+      "nodenext",
       "--moduleResolution",
-      "node",
+      "nodenext",
       "--noEmit",
       "--noImplicitAny",
       "--target",
-      // can't be 'esnext' due to some resolution issues
-      version || "es2022",
+      version || "es2022", // can't be 'esnext' due to some resolution issues
       "--typeRoots",
       "./typings,./node_modules/@types",
     ];
@@ -556,7 +614,7 @@ async function getLatest20xx() {
         return version;
       }
       version = m[0];
-      //console.log("version", version);
+      //console.log("DEBUG version", version);
     }
     return version;
   });
@@ -564,10 +622,12 @@ async function getLatest20xx() {
 
 /**
  * @param {Object} pkg
+ * @param {String} pkg.name
  * @param {String} tsconfigTxt
+ * @param {String} mainPath
  * @returns
  */
-async function createJsConfig(pkg, tsconfigTxt) {
+async function createJsConfig(pkg, tsconfigTxt, mainPath) {
   if (!tsconfigTxt.includes(`"include":`)) {
     let includables = [
       "*.js",
@@ -584,6 +644,18 @@ async function createJsConfig(pkg, tsconfigTxt) {
     tsconfigTxt = tsconfigTxt.replace(/\n}[\s\n]*$/m, `${includeLine}\n}`);
   }
 
+  {
+    let lines = [
+      `      "${pkg.name}": ["${mainPath}"]`,
+      `      "${pkg.name}/*": ["./*"]`,
+    ];
+    let str = lines.join(`,\n`);
+    tsconfigTxt = tsconfigTxt.replace(
+      `// "paths": {},`,
+      `"paths": {\n${str}\n    },             `,
+    );
+  }
+
   if (!tsconfigTxt.includes(`"exclude":`)) {
     let excludeLine = `,\n  "exclude": ["node_modules"]`;
     tsconfigTxt = tsconfigTxt.replace(/\n}[\s\n]*$/m, `${excludeLine}\n}`);
@@ -665,6 +737,54 @@ async function initFile(fileName, initValue) {
   await Fs.writeFile(fileName, initValue, "utf8");
 }
 
+async function sortAndWritePackageJson() {
+  let pkg = await readPackageJson();
+
+  /** @type {Object.<String, any>} */
+  let newPkg = {};
+  let pkgKeys = Object.keys(pkg);
+
+  let orderedKeys = [
+    "name",
+    "version",
+    "description",
+    "main",
+    "files",
+    "type",
+    "imports",
+    "exports",
+    "scripts",
+  ];
+  for (let key of orderedKeys) {
+    let hasKey = remove(pkgKeys, key);
+    if (hasKey) {
+      newPkg[key] = pkg[key];
+    }
+  }
+  for (let key of pkgKeys) {
+    newPkg[key] = pkg[key];
+  }
+
+  let pkgJson = JSON.stringify(newPkg, null, 2);
+  await Fs.writeFile(PKG_NAME, pkgJson, "utf8");
+}
+
+/**
+ * @param {Array<String>} arr
+ * @param {String} str
+ * @returns {String?}
+ */
+function remove(arr, str) {
+  let index = arr.indexOf(str);
+  if (index > -1) {
+    let removed = arr.splice(index, 1);
+    let el = removed[0] || null;
+    return el;
+  }
+
+  return null;
+}
+
 /**
  * @param {String} metaKey - ex: lint, fmt, start
  * @param {String} scriptKey - ex: jshint, prettier
@@ -723,8 +843,8 @@ async function upsertNpmScript(
  * @param {Array<String>} args
  */
 async function exec(exe, args) {
-  return new Promise(function (resolve, reject) {
-    let cmd = spawn(exe, args);
+  return await new Promise(function (resolve, reject) {
+    let cmd = ChildProcess.spawn(exe, args);
 
     /** @type {Array<String>} */
     let stdout = [];
diff --git a/bin/jswt-reexport.js b/bin/jswt-reexport.js
index a2aaff4..fa8fd3b 100755
--- a/bin/jswt-reexport.js
+++ b/bin/jswt-reexport.js
@@ -1,17 +1,17 @@
 #!/usr/bin/env node
-"use strict";
 
-//require("dotenv").config({ path: ".env" });
-//require("dotenv").config({ path: ".env.secret" });
+//import Dotenv from "dotenv";
+//Dotenv.config({ path: ".env" });
+//Dotenv.config({ path: ".env.secret" });
 
-var Fs = require("node:fs/promises");
-var Path = require("node:path");
-var Walk = require("./_walk.js");
+import Fs from "node:fs/promises";
+import Path from "node:path";
+import Walk from "./_walk.js";
 
-var LOADABLE = [".js", ".cjs", ".mjs"];
+let LOADABLE = [".js", ".cjs", ".mjs"];
 
 // TODO make configurable
-var IGNORABLE = [
+let IGNORABLE = [
   "index.js",
   "types.js",
   "build",
@@ -19,8 +19,8 @@ var IGNORABLE = [
   "node_modules",
   "tmp",
 ];
-var IGNORABLE_PATTERNS = /\.min\./;
-var IGNORABLE_TYPES = [".bak", ".git", ".tmp"];
+let IGNORABLE_PATTERNS = /\.min\./;
+let IGNORABLE_TYPES = [".bak", ".git", ".tmp"];
 
 /**
  * @typedef Typedef
@@ -112,15 +112,15 @@ async function writeIndexJs(pkgName, indexLines) {
     });
 
   let lines = [
-    `"use strict";`,
     "// auto-generated by `jswt reexport`",
     "// DO NOT EDIT",
     "",
-    `module.exports = require("${prefix}/${pkgName}.js");`,
+    `import "${prefix}/${pkgName}.js";`,
     "",
     "// these typedef reexports will be available to dependent packages",
     "/**",
-  ].concat(indexLines, [" */", ""]);
+  ];
+  lines = lines.concat(indexLines, [" */", ""]);
 
   await Fs.readFile("./index.js", "utf8")
     .then(function (txt) {
diff --git a/bin/jswt.js b/bin/jswt.js
index c01e116..37a9464 100755
--- a/bin/jswt.js
+++ b/bin/jswt.js
@@ -1,14 +1,19 @@
 #!/usr/bin/env node
-"use strict";
 
-//require("dotenv").config({ path: ".env" });
-//require("dotenv").config({ path: ".env.secret" });
+//import Dotenv from "dotenv";
+//Dotenv.config({ path: ".env" });
+//Dotenv.config({ path: ".env.secret" });
 
-//@ts-ignore
-let pkg = require("../package.json");
+import Fs from "node:fs/promises";
+import FsSync from "node:fs";
+import Path from "node:path";
 
-let Fs = require("node:fs/promises");
-let Path = require("node:path");
+let modulePath = import.meta.url.slice("file://".length);
+let moduleDir = Path.dirname(modulePath);
+
+let pkgPath = Path.join(moduleDir, "../package.json");
+let pkgText = FsSync.readFileSync(pkgPath, "utf8");
+let pkg = JSON.parse(pkgText);
 
 function showVersion() {
   console.info(`jswt v${pkg.version}`);
@@ -56,7 +61,7 @@ async function main() {
     }
   }
 
-  let subcmdPath = Path.join(__dirname, `jswt-${subcmd}.js`);
+  let subcmdPath = Path.join(moduleDir, `jswt-${subcmd}.js`);
   let notExists = await Fs.access(subcmdPath).catch(Object);
   if (notExists) {
     console.error(`error: '${subcmd}' is not a valid subcommand`);
@@ -65,7 +70,7 @@ async function main() {
     return;
   }
 
-  await require(`./jswt-${subcmd}.js`);
+  await import(`./jswt-${subcmd}.js`);
 }
 
 main().catch(function (err) {
diff --git a/index.js b/index.js
index e9b35d0..9aeafe4 100644
--- a/index.js
+++ b/index.js
@@ -1,8 +1,7 @@
-"use strict";
 // auto-generated by `jswt reexport`
 // DO NOT EDIT
 
-module.exports = require("./lib/jswt.js");
+import "./lib/jswt.js";
 
 // these typedef reexports will be available to dependent packages
 /**
diff --git a/jsconfig.json b/jsconfig.json
index 755c597..2ec03d7 100644
--- a/jsconfig.json
+++ b/jsconfig.json
@@ -25,9 +25,9 @@
     // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
 
     /* Modules */
-    "module": "commonjs" /* Specify what module code is generated. */,
+    "module": "nodenext" /* Specify what module code is generated. */,
     // "rootDir": "./",                                  /* Specify the root folder within your source files. */
-    "moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,
+    "moduleResolution": "nodenext" /* Specify how TypeScript looks up a file from a given module specifier. */,
     // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
     // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
     // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
diff --git a/lib/jswt.js b/lib/jswt.js
index d0ed354..f667d2b 100644
--- a/lib/jswt.js
+++ b/lib/jswt.js
@@ -1,2 +1,5 @@
+let JSWT = {};
+
 // intentionally left blank
-module.exports = {};
+
+export default JSWT;
diff --git a/package-lock.json b/package-lock.json
index 045ac83..68c57d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "jswt",
-  "version": "1.7.0",
-  "lockfileVersion": 2,
+  "version": "2.0.0",
+  "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "jswt",
-      "version": "1.7.0",
+      "version": "2.0.0",
       "license": "SEE LICENSE IN LICENSE",
       "bin": {
         "init": "bin/jswt-init.js",
@@ -34,22 +34,5 @@
       "dev": true,
       "license": "MIT"
     }
-  },
-  "dependencies": {
-    "@types/node": {
-      "version": "22.10.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.10.2.tgz",
-      "integrity": "sha512-Xxr6BBRCAOQixvonOye19wnzyDiUtTeqldOOmj3CkeblonbccA12PFwlufvRdrpjXxqnmUaeiU5EOA+7s5diUQ==",
-      "dev": true,
-      "requires": {
-        "undici-types": "~6.20.0"
-      }
-    },
-    "undici-types": {
-      "version": "6.20.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.20.0.tgz",
-      "integrity": "sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==",
-      "dev": true
-    }
   }
 }
diff --git a/package.json b/package.json
index 5b69da1..fbb4232 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,9 @@
 {
   "name": "jswt",
-  "version": "1.7.0",
+  "version": "2.0.0",
   "description": "Turn on transpile-free type hinting for your vanilla JS projects #JSWithTypes",
   "main": "index.js",
+  "type": "module",
   "files": [
     "index.js",
     "bin/*.js",
@@ -47,5 +48,12 @@
   "homepage": "https://github.com/BeyondCodeBootcamp/jswt#readme",
   "devDependencies": {
     "@types/node": "^22.10.2"
+  },
+  "exports": {
+    ".": "./lib/jswt.js",
+    "./*": "./*"
+  },
+  "imports": {
+    "jswt": "./lib/jswt.js"
   }
 }
diff --git a/tests/index.js b/tests/index.js
index 5ad7b26..7773362 100644
--- a/tests/index.js
+++ b/tests/index.js
@@ -1,13 +1,14 @@
-"use strict";
+import ChildProcess from "child_process";
+import Fs from "node:fs/promises";
+import Path from "node:path";
 
-let ChildProcess = require("child_process");
-let Fs = require("node:fs/promises");
-let Path = require("node:path");
+let modulePath = import.meta.url.slice("file://".length);
+let moduleDir = Path.dirname(modulePath);
 
 async function main() {
   console.info("TAP version 13");
 
-  let dirents = await Fs.readdir(__dirname, { withFileTypes: true });
+  let dirents = await Fs.readdir(moduleDir, { withFileTypes: true });
 
   let failures = 0;
   let count = 0;
@@ -17,7 +18,7 @@ async function main() {
     }
 
     count += 1;
-    let direntPath = Path.join(__dirname, dirent.name);
+    let direntPath = Path.join(moduleDir, dirent.name);
     let relPath = Path.relative(".", direntPath);
 
     let success = await handleEach(count, relPath);
diff --git a/tests/init.js b/tests/init.js
index 235315d..5efbf31 100644
--- a/tests/init.js
+++ b/tests/init.js
@@ -1,4 +1,3 @@
 #!/usr/bin/env node
-"use strict";
 
-require("../bin/jswt-init.js");
+import "../bin/jswt-init.js";