diff --git a/.config/eslint.ci.js b/.config/eslint.ci.cjs
similarity index 100%
rename from .config/eslint.ci.js
rename to .config/eslint.ci.cjs
diff --git a/.config/eslint.cjs b/.config/eslint.cjs
index 03b4c66b..ea738b9f 100644
--- a/.config/eslint.cjs
+++ b/.config/eslint.cjs
@@ -167,6 +167,7 @@ module.exports = {
         'import/no-relative-packages': 'error',
         'import/no-mutable-exports': 'error',
         'import/no-default-export': 'error',
+        'import/no-unresolved': 'off',
         'no-console': ['error', { allow: ['warn', 'error'] }],
     },
     ignorePatterns: [
@@ -281,17 +282,10 @@ module.exports = {
         {
             files: ['packages/bun/**', 'packages/deno/**'],
             rules: {
-                'import/no-unresolved': 'off',
                 'no-restricted-imports': 'off',
                 'import/no-relative-packages': 'off', // common-internals is symlinked from node
             }
         },
-        {
-            files: ['e2e/deno/**'],
-            rules: {
-                'import/no-unresolved': 'off',
-            }
-        },
     ],
     settings: {
         'import/resolver': {
diff --git a/.config/vite-utils/test-setup-plugin.ts b/.config/vite-utils/test-setup-plugin.ts
index 4e638511..b3c94452 100644
--- a/.config/vite-utils/test-setup-plugin.ts
+++ b/.config/vite-utils/test-setup-plugin.ts
@@ -1,7 +1,7 @@
 import { Plugin } from 'vite'
 import { fileURLToPath } from 'url'
 
-const setupFile = fileURLToPath(new URL('./test-setup.mts', import.meta.url))
+const setupFile = fileURLToPath(new URL('./test-setup.ts', import.meta.url))
 
 export function testSetup(params?: { additionalCode?: string }): Plugin {
     const { additionalCode = '' } = params || {}
diff --git a/.config/vite-utils/test-setup.mts b/.config/vite-utils/test-setup.ts
similarity index 100%
rename from .config/vite-utils/test-setup.mts
rename to .config/vite-utils/test-setup.ts
diff --git a/.config/vite.browser.mts b/.config/vite.browser.ts
similarity index 97%
rename from .config/vite.browser.mts
rename to .config/vite.browser.ts
index dfda1eea..b06c7b57 100644
--- a/.config/vite.browser.mts
+++ b/.config/vite.browser.ts
@@ -2,7 +2,7 @@
 import { mergeConfig } from 'vite'
 import { nodePolyfills } from 'vite-plugin-node-polyfills'
 
-import baseConfig from './vite.mjs'
+import baseConfig from './vite.js'
 import { fixupCjs } from './vite-utils/fixup-cjs'
 
 export default mergeConfig(baseConfig, {
diff --git a/.config/vite.bun.mts b/.config/vite.bun.ts
similarity index 100%
rename from .config/vite.bun.mts
rename to .config/vite.bun.ts
diff --git a/.config/vite.deno.mts b/.config/vite.deno.ts
similarity index 100%
rename from .config/vite.deno.mts
rename to .config/vite.deno.ts
diff --git a/.config/vite.mts b/.config/vite.ts
similarity index 94%
rename from .config/vite.mts
rename to .config/vite.ts
index 5bc69261..355a2d0c 100644
--- a/.config/vite.mts
+++ b/.config/vite.ts
@@ -20,7 +20,7 @@ export default defineConfig({
             ]
         },
         setupFiles: [
-            './.config/vite-utils/test-setup.mts'
+            './.config/vite-utils/test-setup.ts'
         ]
     },
     define: {
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 1ae23c58..5a328454 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -52,7 +52,7 @@ jobs:
         with:
           bun-version: '1.1.4'
       - name: 'Build tests'
-        run: pnpm exec vite build -c .config/vite.bun.mts
+        run: pnpm exec vite build -c .config/vite.bun.ts
       - name: 'Run tests'
         run: cd dist/tests && bun test
   
@@ -65,7 +65,7 @@ jobs:
         with:
           deno-version: '1.43.1'
       - name: 'Build tests'
-        run: pnpm exec vite build -c .config/vite.deno.mts
+        run: pnpm exec vite build -c .config/vite.deno.ts
       - name: 'Run tests'
         run: cd dist/tests && deno test -A --unstable-ffi
   
diff --git a/e2e/deno/init-server.js b/e2e/deno/init-server.js
index 429a2e9e..40ce6f58 100644
--- a/e2e/deno/init-server.js
+++ b/e2e/deno/init-server.js
@@ -1,5 +1,5 @@
 /* eslint-disable no-console */
-const { execSync } = require('child_process')
+import { execSync } from 'child_process'
 
 function getDockerContainerIp(name) {
     const containerId = execSync(`docker compose ps -q ${name}`).toString().trim()
@@ -41,27 +41,25 @@ async function createBucket(name) {
     }
 }
 
-(async () => {
-    for (const bucket of ['modules', 'docs', 'publishing', 'npm']) {
-        const ok = await createBucket(bucket)
-        console.log(`[i] Created bucket ${bucket}: ${ok}`)
-    }
+for (const bucket of ['modules', 'docs', 'publishing', 'npm']) {
+    const ok = await createBucket(bucket)
+    console.log(`[i] Created bucket ${bucket}: ${ok}`)
+}
 
-    // create @mtcute scope if it doesn't exist
-    const resp = await fetch(`${API_URL}api/scopes`, {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json',
-            Cookie: 'token=token',
-        },
-        body: JSON.stringify({ scope: 'mtcute' }),
-    })
+// create @mtcute scope if it doesn't exist
+const resp = await fetch(`${API_URL}api/scopes`, {
+    method: 'POST',
+    headers: {
+        'Content-Type': 'application/json',
+        Cookie: 'token=token',
+    },
+    body: JSON.stringify({ scope: 'mtcute' }),
+})
 
-    if (resp.status !== 200 && resp.status !== 409) {
-        throw new Error(`Failed to create scope: ${resp.statusText} ${await resp.text()}`)
-    }
+if (resp.status !== 200 && resp.status !== 409) {
+    throw new Error(`Failed to create scope: ${resp.statusText} ${await resp.text()}`)
+}
 
-    if (resp.status === 200) {
-        console.log('[i] Created scope mtcute')
-    }
-})()
+if (resp.status === 200) {
+    console.log('[i] Created scope mtcute')
+}
diff --git a/package.json b/package.json
index 6c53bcab..3d57ca76 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
     "description": "Type-safe library for MTProto (Telegram API) for browser and NodeJS",
     "license": "MIT",
     "author": "alina sireneva <alina@tei.su>",
+    "type": "module",
     "keywords": [
         "telegram",
         "telegram-api",
@@ -24,16 +25,16 @@
         "packages/*"
     ],
     "scripts": {
-        "postinstall": "node scripts/validate-deps-versions.mjs && node scripts/remove-jsr-sourcefiles.mjs",
-        "test": "pnpm run -r test && vitest --config .config/vite.mts run",
-        "test:dev": "vitest --config .config/vite.mts watch",
-        "test:ui": "vitest --config .config/vite.mts --ui",
-        "test:coverage": "vitest --config .config/vite.mts run --coverage",
-        "test:ci": "vitest --config .config/vite.mts run --coverage.enabled --coverage.reporter=json",
-        "test:browser": "vitest --config .config/vite.browser.mts run",
-        "test:browser:dev": "vitest --config .config/vite.browser.mts watch",
+        "postinstall": "node scripts/validate-deps-versions.js && node scripts/remove-jsr-sourcefiles.js",
+        "test": "pnpm run -r test && vitest --config .config/vite.ts run",
+        "test:dev": "vitest --config .config/vite.ts watch",
+        "test:ui": "vitest --config .config/vite.ts --ui",
+        "test:coverage": "vitest --config .config/vite.ts run --coverage",
+        "test:ci": "vitest --config .config/vite.ts run --coverage.enabled --coverage.reporter=json",
+        "test:browser": "vitest --config .config/vite.browser.ts run",
+        "test:browser:dev": "vitest --config .config/vite.browser.ts watch",
         "lint": "eslint .",
-        "lint:ci": "NODE_OPTIONS=\\\"--max_old_space_size=8192\\\" eslint --config .config/eslint.ci.js .",
+        "lint:ci": "NODE_OPTIONS=\\\"--max_old_space_size=8192\\\" eslint --config .config/eslint.ci.cjs .",
         "lint:tsc": "rimraf packages/**/dist packages/**/*.tsbuildinfo && pnpm -r --workspace-concurrency=4 exec tsc --build",
         "lint:tsc:ci": "pnpm -r exec tsc --build",
         "lint:dpdm": "dpdm -T --no-warning --no-tree --exit-code circular:1 packages/*",
diff --git a/packages/crypto-node/build.config.cjs b/packages/crypto-node/build.config.cjs
index fa1e79df..dc8b949e 100644
--- a/packages/crypto-node/build.config.cjs
+++ b/packages/crypto-node/build.config.cjs
@@ -4,7 +4,7 @@ const fs = require('fs')
 const cp = require('child_process')
 const { Readable } = require('stream')
 
-const git = require('../../scripts/git-utils')
+let git
 
 const GITHUB_TOKEN = process.env.GITHUB_TOKEN
 let SKIP_PREBUILT = process.env.BUILD_FOR_DOCS === '1'
@@ -151,6 +151,8 @@ async function extractArtifacts(artifacts) {
 
 module.exports = ({ fs, glob, path, packageDir, outDir }) => ({
     async final() {
+        // eslint-disable-next-line import/no-relative-packages
+        git = await import('../../scripts/git-utils.js')
         const libDir = path.join(packageDir, 'lib')
 
         if (!SKIP_PREBUILT) {
diff --git a/scripts/build-package.js b/scripts/build-package.js
index 72b7487f..b31b2698 100644
--- a/scripts/build-package.js
+++ b/scripts/build-package.js
@@ -1,12 +1,15 @@
 /* eslint-disable no-inner-declarations */
-const cp = require('child_process')
-const path = require('path')
-const fs = require('fs')
-const glob = require('glob')
-const ts = require('typescript')
-const stc = require('@teidesu/slow-types-compiler')
-// @ts-ignore
-const rootPackageJson = require('../package.json')
+import * as cp from 'child_process'
+import * as fs from 'fs'
+import * as glob from 'glob'
+import { createRequire } from 'module'
+import * as path from 'path'
+import ts from 'typescript'
+
+import * as stc from '@teidesu/slow-types-compiler'
+const __dirname = path.dirname(new URL(import.meta.url).pathname)
+
+const rootPackageJson = JSON.parse(fs.readFileSync(path.join(__dirname, '../package.json'), 'utf-8'))
 
 if (process.argv.length < 3) {
     console.log('Usage: build-package.js <package name>')
@@ -30,6 +33,9 @@ function transformFile(file, transform) {
     if (res != null) fs.writeFileSync(file, res)
 }
 
+// todo make them esm
+const require = createRequire(import.meta.url)
+
 const buildConfig = {
     buildTs: true,
     buildCjs: true,
@@ -617,12 +623,12 @@ if (!IS_JSR) {
     fs.writeFileSync(path.join(outDir, '.npmignore'), '*.tsbuildinfo\n')
 }
 
-Promise.resolve(buildConfig.final()).then(() => {
-    if (IS_JSR && !process.env.CI) {
-        console.log('[i] Trying to publish with --dry-run')
-        exec('deno publish --dry-run --allow-dirty --quiet', { cwd: outDir })
-        console.log('[v] All good!')
-    } else {
-        console.log('[v] Done!')
-    }
-})
+await buildConfig.final()
+
+if (IS_JSR && !process.env.CI) {
+    console.log('[i] Trying to publish with --dry-run')
+    exec('deno publish --dry-run --allow-dirty --quiet', { cwd: outDir })
+    console.log('[v] All good!')
+} else {
+    console.log('[v] Done!')
+}
diff --git a/scripts/bump-version.js b/scripts/bump-version.js
index 7b3ab98f..3479f649 100644
--- a/scripts/bump-version.js
+++ b/scripts/bump-version.js
@@ -1,14 +1,17 @@
-const fs = require('fs')
-const path = require('path')
-const semver = require('semver')
+import { appendFileSync, readdirSync, readFileSync, writeFileSync } from 'fs'
+import { EOL } from 'os'
+import { dirname, join } from 'path'
+import { inc, rcompare } from 'semver'
+import { fileURLToPath } from 'url'
+
+const __dirname = dirname(new URL(import.meta.url).pathname)
 
 function collectPackageJsons() {
-    return fs
-        .readdirSync(path.join(__dirname, '../packages'))
+    return readdirSync(join(__dirname, '../packages'))
         .filter((s) => !s.startsWith('.'))
         .map((name) => {
             try {
-                return JSON.parse(fs.readFileSync(path.join(__dirname, '../packages', name, 'package.json'), 'utf-8'))
+                return JSON.parse(readFileSync(join(__dirname, '../packages', name, 'package.json'), 'utf-8'))
             } catch (e) {
                 if (e.code !== 'ENOENT') throw e
 
@@ -23,9 +26,9 @@ function bumpVersions(packages, kind) {
     const maxVersion = pkgJsons
         .filter((it) => it.name !== '@mtcute/tl')
         .map((it) => it.version)
-        .sort(semver.rcompare)[0]
+        .sort(rcompare)[0]
 
-    const nextVersion = semver.inc(maxVersion, kind)
+    const nextVersion = inc(maxVersion, kind)
     console.log('[i] Bumping versions to %s', nextVersion)
 
     for (const pkg of packages) {
@@ -38,20 +41,20 @@ function bumpVersions(packages, kind) {
         }
 
         pkgJson.version = nextVersion
-        fs.writeFileSync(
-            path.join(__dirname, '../packages', pkg, 'package.json'),
+        writeFileSync(
+            join(__dirname, '../packages', pkg, 'package.json'),
             JSON.stringify(pkgJson, null, 4) + '\n',
         )
     }
 
-    const rootPkgJson = JSON.parse(fs.readFileSync(path.join(__dirname, '../package.json'), 'utf-8'))
+    const rootPkgJson = JSON.parse(readFileSync(join(__dirname, '../package.json'), 'utf-8'))
     rootPkgJson.version = nextVersion
-    fs.writeFileSync(path.join(__dirname, '../package.json'), JSON.stringify(rootPkgJson, null, 4) + '\n')
+    writeFileSync(join(__dirname, '../package.json'), JSON.stringify(rootPkgJson, null, 4) + '\n')
 
     return nextVersion
 }
 
-if (require.main === module) {
+if (process.argv[1] === fileURLToPath(import.meta.url)) {
     const kind = process.argv[2]
     const packages = process.argv[3]
 
@@ -75,8 +78,8 @@ if (require.main === module) {
     const ver = bumpVersions(packagesList, kind)
 
     if (process.env.GITHUB_OUTPUT) {
-        fs.appendFileSync(process.env.GITHUB_OUTPUT, `version=${ver}${require('os').EOL}`)
+        appendFileSync(process.env.GITHUB_OUTPUT, `version=${ver}${EOL}`)
     }
 }
 
-module.exports = { bumpVersions }
+export { bumpVersions }
diff --git a/scripts/find-updated-packages.js b/scripts/find-updated-packages.js
index f8a68552..eb2f56ea 100644
--- a/scripts/find-updated-packages.js
+++ b/scripts/find-updated-packages.js
@@ -1,22 +1,27 @@
-const cp = require('child_process')
-const fs = require('fs')
-const path = require('path')
-const { listPackages } = require('./publish')
-const { getLatestTag, findChangedFilesSince } = require('./git-utils')
+import { execSync } from 'child_process'
+import { appendFileSync, existsSync } from 'fs'
+import { EOL } from 'os'
+import { dirname, join } from 'path'
+import { fileURLToPath } from 'url'
+
+import { findChangedFilesSince, getLatestTag } from './git-utils.js'
+import { listPackages } from './publish.js'
 
 getTsconfigFiles.cache = {}
 
+const __dirname = dirname(new URL(import.meta.url).pathname)
+
 function getTsconfigFiles(pkg) {
-    if (!fs.existsSync(path.join(__dirname, `../packages/${pkg}/tsconfig.json`))) {
+    if (!existsSync(join(__dirname, `../packages/${pkg}/tsconfig.json`))) {
         throw new Error(`[!] ${pkg} does not have a tsconfig.json`)
     }
     if (pkg in getTsconfigFiles.cache) return getTsconfigFiles.cache[pkg]
 
     console.log('[i] Getting tsconfig files for %s', pkg)
-    const res = cp.execSync('pnpm exec tsc --showConfig', {
+    const res = execSync('pnpm exec tsc --showConfig', {
         encoding: 'utf8',
         stdio: 'pipe',
-        cwd: path.join(__dirname, `../packages/${pkg}`),
+        cwd: join(__dirname, `../packages/${pkg}`),
     })
 
     const json = JSON.parse(res)
@@ -68,9 +73,9 @@ function findChangedPackagesSince(tag, until) {
     return Array.from(changedPackages)
 }
 
-module.exports = { findChangedPackagesSince, getLatestTag }
+export { findChangedPackagesSince, getLatestTag }
 
-if (require.main === module && process.env.CI && process.env.GITHUB_OUTPUT) {
+if (process.argv[1] === fileURLToPath(import.meta.url) && process.env.CI && process.env.GITHUB_OUTPUT) {
     const kind = process.argv[2]
     const input = process.argv[3]
 
@@ -102,5 +107,5 @@ if (require.main === module && process.env.CI && process.env.GITHUB_OUTPUT) {
     }
 
     console.log('[i] Will publish:', res)
-    fs.appendFileSync(process.env.GITHUB_OUTPUT, `modified=${res.join(',')}${require('os').EOL}`)
+    appendFileSync(process.env.GITHUB_OUTPUT, `modified=${res.join(',')}${EOL}`)
 }
diff --git a/scripts/gen-deps-graph.mjs b/scripts/gen-deps-graph.js
similarity index 88%
rename from scripts/gen-deps-graph.mjs
rename to scripts/gen-deps-graph.js
index 5072beec..b6e0a57a 100644
--- a/scripts/gen-deps-graph.mjs
+++ b/scripts/gen-deps-graph.js
@@ -1,5 +1,5 @@
-// node scripts/gen-deps-graph.mjs | dot -Tsvg > deps.svg
-import { getPackageJsons } from './utils.mjs'
+// node scripts/gen-deps-graph.js | dot -Tsvg > deps.svg
+import { getPackageJsons } from './utils.js'
 
 const packageJsons = await getPackageJsons()
 
diff --git a/scripts/generate-changelog.js b/scripts/generate-changelog.js
index b301fbdf..607e04e9 100644
--- a/scripts/generate-changelog.js
+++ b/scripts/generate-changelog.js
@@ -1,5 +1,9 @@
-const fs = require('fs')
-const { getLatestTag, getCommitsSince, parseConventionalCommit, findChangedFilesSince } = require('./git-utils')
+import { randomUUID } from 'crypto'
+import { appendFileSync } from 'fs'
+import { EOL } from 'os'
+import { fileURLToPath } from 'url'
+
+import { findChangedFilesSince, getCommitsSince, getLatestTag, parseConventionalCommit } from './git-utils.js'
 
 function generateChangelog(onlyPackages) {
     const byPackage = {}
@@ -52,7 +56,7 @@ function generateChangelog(onlyPackages) {
     return ret
 }
 
-if (require.main === module) {
+if (process.argv[1] === fileURLToPath(import.meta.url)) {
     let onlyPackages = null
 
     if (process.argv[2]) {
@@ -62,8 +66,8 @@ if (require.main === module) {
     const res = generateChangelog(onlyPackages)
 
     if (process.env.CI && process.env.GITHUB_OUTPUT) {
-        const delim = `---${require('crypto').randomUUID()}---${require('os').EOL}`
-        fs.appendFileSync(process.env.GITHUB_OUTPUT, `changelog<<${delim}${res}${delim}`)
+        const delim = `---${randomUUID()}---${EOL}`
+        appendFileSync(process.env.GITHUB_OUTPUT, `changelog<<${delim}${res}${delim}`)
     } else {
         console.log(res)
     }
diff --git a/scripts/git-utils.js b/scripts/git-utils.js
index 2c2185ce..dac25fe5 100644
--- a/scripts/git-utils.js
+++ b/scripts/git-utils.js
@@ -1,14 +1,14 @@
-const cp = require('child_process')
+import { execSync } from 'child_process'
 
 function getLatestTag() {
     try {
-        const res = cp.execSync('git describe --abbrev=0 --tags', { encoding: 'utf8', stdio: 'pipe' }).trim()
+        const res = execSync('git describe --abbrev=0 --tags', { encoding: 'utf8', stdio: 'pipe' }).trim()
 
         return res
     } catch (e) {
         if (e.stderr.match(/^fatal: (No names found|No tags can describe)/i)) {
             // no tags found, let's just return the first commit
-            return cp.execSync('git rev-list --max-parents=0 HEAD', { encoding: 'utf8' }).trim()
+            return execSync('git rev-list --max-parents=0 HEAD', { encoding: 'utf8' }).trim()
         }
 
         throw e
@@ -16,14 +16,13 @@ function getLatestTag() {
 }
 
 function findChangedFilesSince(tag, until = 'HEAD') {
-    return cp.execSync(`git diff --name-only ${tag} ${until}`, { encoding: 'utf8', stdio: 'pipe' }).trim().split('\n')
+    return execSync(`git diff --name-only ${tag} ${until}`, { encoding: 'utf8', stdio: 'pipe' }).trim().split('\n')
 }
 
 function getCommitsSince(tag, until = 'HEAD') {
     const delim = `---${Math.random().toString(36).slice(2)}---`
 
-    const lines = cp
-        .execSync(`git log --pretty="format:%H %s%n%b%n${delim}" ${tag}..${until}`, { encoding: 'utf8', stdio: 'pipe' })
+    const lines = execSync(`git log --pretty="format:%H %s%n%b%n${delim}" ${tag}..${until}`, { encoding: 'utf8', stdio: 'pipe' })
         .trim()
         .split('\n')
 
@@ -50,11 +49,11 @@ function getCommitsSince(tag, until = 'HEAD') {
 }
 
 function getCurrentCommit() {
-    return cp.execSync('git rev-parse HEAD', { encoding: 'utf8', stdio: 'pipe' }).trim()
+    return execSync('git rev-parse HEAD', { encoding: 'utf8', stdio: 'pipe' }).trim()
 }
 
 function getCurrentBranch() {
-    return cp.execSync('git rev-parse --abbrev-ref HEAD', { encoding: 'utf8', stdio: 'pipe' }).trim()
+    return execSync('git rev-parse --abbrev-ref HEAD', { encoding: 'utf8', stdio: 'pipe' }).trim()
 }
 
 function parseConventionalCommit(msg) {
@@ -67,11 +66,11 @@ function parseConventionalCommit(msg) {
     return { type, scope, breaking: Boolean(breaking), subject }
 }
 
-module.exports = {
-    getLatestTag,
+export {
     findChangedFilesSince,
     getCommitsSince,
-    parseConventionalCommit,
-    getCurrentCommit,
     getCurrentBranch,
+    getCurrentCommit,
+    getLatestTag,
+    parseConventionalCommit,
 }
diff --git a/scripts/publish.js b/scripts/publish.js
index ecdd7dd5..ee7696b8 100644
--- a/scripts/publish.js
+++ b/scripts/publish.js
@@ -1,12 +1,18 @@
-const fs = require('fs')
-const path = require('path')
-const cp = require('child_process')
-const stc = require('@teidesu/slow-types-compiler')
+import * as cp from 'child_process'
+import * as fs from 'fs'
+import { createRequire } from 'module'
+import * as path from 'path'
+import { fileURLToPath } from 'url'
 
+import * as stc from '@teidesu/slow-types-compiler'
 const IS_JSR = process.env.JSR === '1'
 const MAIN_REGISTRY = IS_JSR ? 'https://jsr.io/' : 'https://registry.npmjs.org'
 let REGISTRY = process.env.REGISTRY || MAIN_REGISTRY
-exports.REGISTRY = REGISTRY
+const EXPORTED_REGISTRY = REGISTRY
+
+const __dirname = path.dirname(new URL(import.meta.url).pathname)
+const require = createRequire(import.meta.url)
+
 if (!REGISTRY.endsWith('/')) REGISTRY += '/'
 
 if (process.env.E2E && IS_JSR) {
@@ -148,8 +154,6 @@ function listPackages(all = false) {
     return packages
 }
 
-exports.listPackages = listPackages
-
 async function main(arg = process.argv[2]) {
     if (!arg) {
         console.log('Usage: publish.js <package name | all | updated>')
@@ -248,11 +252,8 @@ async function main(arg = process.argv[2]) {
     process.exit(0) // idk why but it sometimes hangs indefinitely
 }
 
-exports.main = main
+export { listPackages, main, EXPORTED_REGISTRY as REGISTRY }
 
-if (require.main === module) {
-    main().catch((e) => {
-        console.error(e)
-        process.exit(1)
-    })
+if (process.argv[1] === fileURLToPath(import.meta.url)) {
+    await main()
 }
diff --git a/scripts/remove-jsr-sourcefiles.mjs b/scripts/remove-jsr-sourcefiles.js
similarity index 100%
rename from scripts/remove-jsr-sourcefiles.mjs
rename to scripts/remove-jsr-sourcefiles.js
diff --git a/scripts/utils.mjs b/scripts/utils.js
similarity index 100%
rename from scripts/utils.mjs
rename to scripts/utils.js
diff --git a/scripts/validate-deps-versions.mjs b/scripts/validate-deps-versions.js
similarity index 97%
rename from scripts/validate-deps-versions.mjs
rename to scripts/validate-deps-versions.js
index 0a54ae30..2efcb060 100644
--- a/scripts/validate-deps-versions.mjs
+++ b/scripts/validate-deps-versions.js
@@ -1,7 +1,7 @@
 import semver from 'semver'
 import { fileURLToPath } from 'url'
 
-import { getPackageJsons } from './utils.mjs'
+import { getPackageJsons } from './utils.js'
 
 export async function validateDepsVersions() {
     const packageJsons = await getPackageJsons(true)